|Electrical generator or motor structure patents - Monitor Patents|
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Electrical generator or motor structureBelow are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 02/27/2014 > 32 patent applications in 27 patent subcategories.
20140054979 - Linear motor: An armature of a linear motor includes a plurality of cooling pipe storage holes formed along a longitudinal direction of a core, and a plurality of cooling pipes stored vertically in the cooling pipe storage holes and having a meander shape. The cooling pipes vertically adjacent to each other are... Agent: Sanyo Denki Co., Ltd.
20140054980 - Electromagnetic motor: An electromagnetic motor includes a stator and an armature arranged to move substantially linearly relative to the stator in an intended direction during operation of the motor. A first and second flexure are connected to a first end of the armature. Each flexure has a longest portion which lies substantially... Agent:
20140054982 - Broadband linear vibrator and mobile terminal: A broadband linear vibrator that is small sized and yet capable of generating a greater vibrating force and outputting various broadband vibrations, and a mobile terminal capable of outputting various vibrations and sounds, wherein the broadband linear vibrator includes a case; a spring coupled to the case; an oscillator including... Agent: Lg Innotek Co., Ltd.
20140054981 - Ultrathin electromagnetic vibration device and its manufacturing method: An ultrathin electromagnetic vibrating device and its manufacturing method, wherein the ultrathin electromagnetic vibrating device includes: a base frame, a vibrating reed, a set of surrounds, a voice coil and a magnetic circuit system, wherein the surrounds include an upper surround and a lower surround, respectively connected with an upper... Agent:
20140054984 - Audio resonance vibrator: An audio resonance vibrator includes a bracket, an elastic frame cooperatively with the bracket forming a housing having a receiving space, a magnetic circuit unit and a vibrating unit accommodated in the receiving space. The vibrating unit includes a vibrating plate and a coil assembly. The elastic frame further includes... Agent: Aac Acoustic Technologies (shenzhen) Co., Ltd.
20140054983 - Linear vibrator: Disclosed herein is a linear vibrator including a fixing part including a housing having a certain space formed therein and a coil disposed within the housing, a vibration part including magnets disposed to face the coil such that electromagnetic force acts with the coil, weight bodies coupled to the magnets,... Agent: Samsung Electro-mechanics Co., Ltd.
20140054985 - Internally exicted synchronous motor comprising a permanent magnet rotor with multiple corrosion protection: A module for a rotor of an electric machine, said rotor being excited by means of permanent magnets and rotating in a liquid medium, wherein the module contains a cylindrical, active part having a plurality of circular, magnetically soft laminations which form a laminated stack and have a central opening... Agent: Andritz Ritz Gmbh
20140054986 - Control apparatus for rotary electric machine, rotary electric machine drive system, and control method for rotary electric machine: A control apparatus for a rotary electric machine, which has a rotary element that includes a permanent magnet, includes a magnet temperature acquisition portion, a coolant temperature detection portion and a temperature control portion. The magnet temperature acquisition portion acquires information about temperature of the permanent magnet. The coolant temperature... Agent: Toyota Jidosha Kabushiki Kaisha
20140054988 - Hybrid motor vehicle device: In a hybrid motor vehicle device, comprising an internal combustion engine, a transmission unit connected to the internal combustion engine and including at least one electric motor which is provided for connection to the transmission unit, a starting element connected to the engine, an operating medium pressure system is provided... Agent: Daimler Ag
20140054987 - Rotating electrical machine: A rotating electrical machine includes: a rotor equipped with a first coolant flow channel therein; an end plate arranged at an end of the rotor in an axial direction of the rotating electrical machine, the end plate being equipped with a second coolant flow channel that communicates with the first... Agent: Toyota Jidosha Kabushiki Kaisha
20140054989 - Cooling device for cooling a winding braid of an electrical machine and method for retrofitting the electrical machine with the cooling device: A cooling device for cooling an air-permeable winding braid of an electrical machine is provided. The cooling device includes a baffle and a fan, which is arranged for blowing a stream of cooling air substantially perpendicularly onto a first surface portion of one side of the wind braid, wherein, in... Agent:
20140054990 - Electric machine: An electric machine with a rotor (4) rotatably disposed within a stator (2) has a plurality of permanent magnets received in the rotor body of the rotor. Rotor body plates are stacked so as to form at least two first channels (31) extending inside the rotor body from one axial... Agent: Bombardier Transportation Gmbh
20140055010 - Power generator integrated with bearing: A bearing has a first ring (102) and a second ring (104) configured for coaxial rotation with respect to each other, and a generator for generating electric power in operational use of the bearing. The generator has a first arrangement (112) mounted in a fixed position with respect to the... Agent:
20140054991 - Mechanical and electrical-integrated drive unit: A mechanical and electrical-integrated drive unit is provided that is configured to be able to protect a control circuit board from thermal stress, a contaminant, or operating fluid from a motor housing chamber and that can improve the flexibility of layout of electronic components mounted on the control circuit board.... Agent: Hitachi Automotive Systems, Ltd.
20140054992 - Canned type rotating electrical machine: A rotating electrical machine according to the present invention includes a can formed in a tubular shape and made of fiber reinforced plastic. At least a part of a first end portion of the can is located on a radially outer side of an adhered portion of a first end... Agent: Kawasaki Jukogyo Kabushiki Kaisha
20140054993 - Electrical motor: The present invention relates to a downhole electrical motor elongated in a longitudinal direction, comprising a housing, a stator comprised inside the housing, a rotor comprised inside the stator rotatably connected to the stator, wherein the rotor has a locked end and a non-locked end and is locked in the... Agent: Welltec A/s
20140054995 - Fluid dynamic bearing assembly and motor having the same: The fluid dynamic bearing assembly of including: a sleeve formed to have a hollow into which a shaft is inserted; a sleeve housing formed to insert the sleeve therein; a bypass passage formed to axially communicate the upper portion and the lower portion of the sleeve between the sleeve and... Agent: Samsung Eletro-mechanics Co., Ltd.
20140054994 - Hydrodynamic bearing module and spindle motor having the same: Disclosed herein is a hydrodynamic bearing module including: a hydrodynamic bearing part formed by filling oil in a micro-clearance between a rotating part and a fixed part including a sleeve; a first radial dynamic pressure bearing part formed in a micro-clearance between an inner diameter portion of the sleeve and... Agent: Samsung Electro-mechanics Co., Ltd.
20140054996 - Electric motor and motor/gear unit and variable-length drive means having such an electric motor: The invention relates to an electric motor (10) having a casing (12) and a rotor (18) which has a rotor shaft (26) with an axis (A), wherein the rotor shaft (26) is guided outside the casing (12), by means of one of its ends, through an opening (28) which is... Agent: Stabilus Gmbh
20140054998 - Rotor and electric motor including the same: A rotor and an electric motor including the rotor are provided. The electric motor includes a rotor and a plurality of stators. The rotor includes a plurality of main magnets that are disposed spaced apart from each other along a circumferential direction with respect to a rotation axis of the... Agent: Samsung Electronics Co., Ltd.
20140054999 - Method of manufacturing an electric machine with segmented permanent magnets: A method for manufacturing a magnet stack for placement in a core member of a permanent magnet electric machine includes providing a plurality of magnet segments, each of the plurality of magnet segments including opposing axial faces having a first surface finish. The method further includes assembling the plurality of... Agent: Remy Technologies, LLC
20140055000 - Coil and stator assembly of a rotary electric machine: A rotary electric machine includes a stator having an open slot configuration and a plurality of stator poles with a coil positioned about each stator pole. Each coil has a plurality of electrically conductive wires defining a group of wires and the group of wires is wrapped generally around a... Agent: Caterpillar Inc.
20140055001 - Stator of motor and motor: Provided is a stator of a motor which is capable of reducing a loss generated in a motor and thereby attaining a high-efficient motor, and a motor including the stator. A stator of a motor comprises a stator core (13) including a plurality of plate members (130) stacked together; the... Agent: Panasonic Corporation
20140055002 - Vibration power generator, rotating body and communication device: A vibration power generator 110 including a first fixed substrate 111L, a second fixed substrate 111U, a movable substrate 112 which is vibratory relative to the first and second fixed substrates, a plurality of first electrodes 119a formed over the second fixed substrate, a plurality of second electrodes 119b formed... Agent: Panasonic Corporation
20140055003 - Ultrasound transmitter: A circuit for driving ultrasound transducers uses a sample-and-hold circuit to sample multiple sample periods of a transducer driving waveform, and uses the samples to modify drive parameters. Use of multiple sample periods enables independent measurement and adjustment of different portions of the transducer driving waveform to ensure mirror symmetry.... Agent: Texas Instruments Incorporated
20140055004 - Rotary motor systems and methods thereof: A rotary motor and a method of making the same include a vibrating motor body which has two orthogonal first bending modes and is substantially enclosed within a housing. A shaft is frictionally coupled to the vibrating motor body and is arranged to rotate in at least one direction about... Agent: New Scale Technologies, Inc.
20140055005 - Mechanical design of deformation compensated flexural pivots structured for linear nanopositioning stages: A method and deformation compensated flexural pivots structured for precision linear nanopositioning stages are provided. A deformation-compensated flexural linear guiding mechanism includes a basic parallel mechanism including a U-shaped member and a pair of parallel bars linked to respective pairs of I-link bars and each of the I-bars coupled by... Agent: Uchicago Argonne, LLC
20140055006 - Vibration generation device: There is provided a vibration generation device. The vibration generation device may include a housing including an internal space; a piezoelectric actuator mounted in the housing to be disposed in the internal space and including a piezoelectric element deformed in a horizontal direction; a direction conversion member fixed to the... Agent: Samsung Electro-mechanics Co., Ltd.
20140055007 - Layout system consisting of a piezoactuator and a flexible circuit board and method for assembling the same: A layout arrangement and system consisting of a piezoactuator and a flexible circuit board, with at least one electrical and mechanical connection, produced by an electrically conducting adhesive, between a first connection contact on the circuit board and a second connection contact on the piezoactuator, wherein the connection is led... Agent: Vega Grieshaber Kg
20140055008 - Piezoelectric device and method for manufacturing the same: In a piezoelectric device and a method of manufacturing thereof, after an ion implanted portion is formed in a piezoelectric single crystal substrate by implantation of hydrogen ions, an interlayer of a metal is formed on a rear surface of the piezoelectric single crystal substrate. In addition, a support member... Agent: Murata Manufacturing Co., Ltd.
20140055009 - Piezoelectric ceramic and piezoelectric element: A piezoelectric ceramic is constituted by a polycrystal whose main phase is an alkali-containing niobate perovskite structure, where both elemental nickel and elemental manganese are present at the grain boundary of the polycrystal. The piezoelectric ceramic is such that drop in piezoelectric characteristics due to application of high electric field... Agent: Taiyo Yuden Co., Ltd.02/20/2014 > 19 patent applications in 18 patent subcategories.
20140049122 - Electrodynamic actuator and electrodynamic excitation device: A linear actuator, comprising: a base; a fixed part support mechanism attached to the base; a fixed part elastically supported by the fixed part support mechanism; and a movable part driven to reciprocate in a predetermined drive direction with respect to the fixed part, wherein the fixed part support mechanism... Agent: Kokusai Keisokuki Kabushiki Kaisha
20140049123 - Highly reliable actuator with multiple degrees of freedom and method for moving a payload using the actuator: An actuator that has two or more degrees of freedom that moves a payload are described. The actuator may have two members, an actuator stator and an actuator armature, with the ability to move relative to each other in two or more degrees of freedom.... Agent:
20140049124 - Double-rotor flux-switching machine: Advantageous machines, such as flux-switching machines (FSMs) are provided. An FSM can be yokeless and can have two rotors, which can be displaced from one another (e.g., by half a pole pitch). An FSM can be a flux-switching permanent magnet machine (FSPMM), and all magnets can be magnetized in the... Agent: Rensselaer Polytechnic Institute
20140049139 - Method for winding control of pole changeable stator and electro-mechanical conversion apparatus using the same: A winding method for pole changeable stator is provided by determining a plurality of classification conditions according to plural types of pole, a plural phases, and current characteristic of the winding coupled to each slot of the stator before and after the pole change, coupling the winding of each slot... Agent: Industrial Technology Research Institute
20140049125 - Electromagnetic coupling device: The present invention relates to an electromagnetic coupling device. In the electromagnetic coupling device according to the present invention, ends (5a and 5b) of a winding of an electromagnetic coil (5) are fitted to grooves of a terminal casing, and terminal members (19a and 19b) are press-fitted to a groove... Agent:
20140049126 - Rotatory device end cap with unpackaged filters: A rotatory device (1) for energy conversion between electrical energy and mechanical energy includes an end cap (20) to which electric conduction and commutation components (30) are attached. The end cap (20) is electrically insulating and has a flange mating to an electric conductive housing (10) of the rotatory device... Agent: Johnson Electric S.a.
20140049140 - Electromechanical actuator: An electromechanical actuator includes a first system and a second system. The first system includes a first motor and a first movable element capable of being moved back and forth in an axial direction of a rod. The second system includes a second motor and a second movable element capable... Agent: Sinfonia Technology Co., Ltd.
20140049127 - Dynamically induced and reactive magnetic hysteresis applications and methods: A dynamically induced magnetic hysteresis apparatus is described which allows efficient adjustable power coupling without direct mechanical attachment or linking. Adjustment of spatial and penetration gaps are adjusted to vary the ratio of rotation.... Agent:
20140049128 - Permanent magnet electrical machinery: The invention is the permanent magnet electrical machinery that does not need any other energy and can be used as an electromotor or a generator. It consists of a shell that installed with iron cores, coils, principal axis, switches and a control circuit. The 3 coils are circled in the... Agent:
20140049129 - Rotor for interior permanent magnet synchronous motor and interior permanent magnet synchronous motor including the same: Disclosed herein is a rotor for an interior permanent magnet synchronous motor, the rotor including: a rotor core having a through-hole formed in an axial direction so that a shaft is press-fitted thereinto, a permanent magnet receiving part formed at an outer peripheral portion thereof in a circumferential direction so... Agent:
20140049130 - Segmented stator for an axial field device: An axial rotary energy device including a segmented stator assembly having a plurality of segments arranged in an annular array. Each stator segment is constructed by stacking a plurality of PCB power conductor layers and a plurality of PCB series layers. Each layer having radial conductors extending from an inner... Agent:
20140049131 - Electrical machine with magnetic flux intensifier: An electrical machine has a stator-rotor configuration in which the rotor has at least two poles. The poles are configured to rotate in an angle and to electromagnetically interact with one or more teeth that is a part of a stator adjoined in a fixed position to the electrical machine.... Agent: Envision Energy (denmark) Aps
20140049132 - Rotor and motor: A rotor includes a first rotor core, a second rotor core, a field magnet, and a back magnet. The first rotor core includes a disk-shaped first core base and a plurality of first claw-poles. The second rotor core includes a disk-shaped second core base and a plurality of second claw-poles.... Agent: Asmo Co., Ltd.
20140049133 - Distributed winding arrangement for an electric motor: A distributed winding arrangement for an electric motor is provided that reduces brush arcing while reducing the size of the commutator. The electric motor is comprised generally of an armature having a plurality of spaced apart posts defining a plurality of spaced apart winding slots; a stator disposed coaxially with... Agent:
20140049134 - Induction electrical rotating machine: Induction electrical rotating machine includes a stator which has plural stator slots 114 formed at a predetermined spacing in a circumferential direction of a stator iron core 111 and in which a stator winding 120 is accommodated in the plural stator slots 114, and a rotor 130 in which a... Agent: Hitachi Automotive Systems,ltd.
20140049135 - Mems-based integrated inverter for wafer-scale thermionic energy converter: A thermionic energy converter is provided that includes an anode, a cathode, where the anode is disposed opposite the cathode, and a suspension, where a first end of the suspension is connected to the cathode and a second end of the suspension is connected to the anode, where the suspension... Agent:
20140049136 - Method for producing a thin film made of lead zirconate titanate: The invention relates to a method for producing the thin film made of lead zirconate titanate in a 111-oriented perovskite structure, comprising the following steps: providing a substrate having a substrate temperature above 450° C. and a lead target, a zirconium target, and a titanium target; applying the thin film... Agent: Pyreos Ltd.
20140049137 - Displacement sensor, displacement detecting device, and operation device: A displacement sensor having a rectangular shaped elastic member. A piezoelectric element is attached to a first main face of the elastic member. The piezoelectric element has a rectangular-shaped piezoelectric sheet and electrodes on both main faces of the piezoelectric sheet. The piezoelectric sheet is made of poly-L-lactic acid and... Agent: Murata Manufacturing Co., Ltd.
20140049138 - Piezoelectric thin film element: A piezoelectric thin film element that includes a substrate, a lower electrode on the substrate, a piezoelectric film on the lower electrode, and an upper electrode on the piezoelectric film. The piezoelectric film is a potassium sodium niobate film represented, as its main constituent, by the general formula (1−n)(K1-xNax)NbyO3-nM1M2O3 in... Agent: Murata Manufacturing Co., Ltd.02/13/2014 > 47 patent applications in 40 patent subcategories.
20140042832 - Salient-pole type linear motor and reciprocal double piston compressor with salient-pole type linear motor: A salient-pole type linear motor comprises a housing, a stator, a mover and coil units. The stator comprises a middle stator core and two side stator cores which have a plurality of magnetic poles on the inner peripheral surface of the stator. A plurality of coil units is wound around... Agent:
20140042833 - Linear vernier motor: A linear vernier motor includes a stator and a mover. The stator extends in a first direction. The mover extends in the first direction and a pole interval is different from that of the stator. At least one of the stator and the mover includes: a plurality of permanent magnets... Agent:
20140042835 - Equipment including epitaxial co-crystallized material: An electric submersible pump motor can include a housing; and a hermetically sealed cavity defined at least in part by the housing that includes at least one material susceptible to hydrolysis, and a polymeric material that includes epitaxial co-crystals of perfluoroalkoxy (PFA) and polytetrafluoroethylene (PTFE). Various other apparatuses, systems, methods,... Agent: Schlumberger Technology Corporation
20140042834 - Rotor and manufacturing process of rotor: A rotor includes a laminated core, a plurality of magnets, and a resin portion. The laminated core includes a plurality of outer core portions arranged in a circumferential direction. The plurality of outer core portions and the plurality of magnets are alternately arranged in the circumferential direction. In addition, the... Agent: Nidec Corporation
20140042836 - Stator of electric rotating machine: The stator of a vehicle-use electric rotating machine includes a stator core having slots formed along a circumferential direction thereof, segment conductors having a rectangular cross section and wound on the stator core such that each of the slots accommodates at least two of the segment conductors to form a... Agent: Denso Corporation
20140042837 - Three phased balanced or unbalanced asymmetric reluctance motor: This patent describes a three-phased reluctance motor (10) of stepper type with six coils placed in six slots (151-156) in a stator (5), n*6 teeth (7) in rotor (5) where n is an integer equal to or larger than 3, typically 8-16 and were the teeth (18) in stator (4)... Agent: Eltorque As
20140042838 - Electric hand tool having a discrete operating element: An electric hand tool has an electric consumer, a movable operating element and a control unit for controlling a current flow between the energy store and the consumer on the basis of the position of the operating element. The control unit is constructed separately from the operating element and the... Agent: Robert Bosch Gmbh
20140042839 - Inverter device and electric power tool: An inverter device includes: an inverter circuit configured to perform ON/OFF operations with a preset duty cycle to convert a DC power into an AC power and output the AC power to an AC motor; and a controller configured to change a duty cycle of the ON/OFF operations.... Agent: Hitachi Koki Co., Ltd.
20140042840 - Permanent magnet (pm) electric machine including permanent magnets provided with a thermal interface material (tim) between adjacent permanent magnets: A permanent magnet electric machine includes a housing, a stator mounted within the housing, and a rotor assembly rotatably mounted within the housing relative to the stator. The rotor assembly includes a rotor body having a plurality of rotor laminations. A plurality of permanent magnets having axial end portions is... Agent: Remy Technologies, L.L.C.
20140042841 - Liquid cooled electric motor: A liquid-cooled, radial air gap electric motor includes a stator, a rotor, a rotor shaft, two end bells, a housing, a coolant manifold system, and a coolant sump. The rotor includes a plurality of axially directed slots located near its periphery. The coolant manifold system directs a first portion of... Agent: Ac Propulsion, Inc.
20140042842 - Axial gap rotating-electric machine: A channel connecting a first opening formed on one side surface of a rotor and a second opening formed on the other side surface of the rotor is provided, and a first distance from a rotating shaft to the center of the first opening and a second distance from the... Agent: Hitachi, Ltd.
20140042877 - Controlling fan motors using capacitive sensing: A motor having a rotor, the rotor including a first metal plate having a first size and a second metal plate having a second size arranged on a first surface associated with the rotor. The first metal plate and the second metal plate are arranged adjacent to each other at... Agent: Marvell World Trade Ltd.
20140042876 - Remote rotor parameter sensor for electric drives: A rotor parameter sensor can be used for electric drives. A rotor of an electric engine or motor is monitored by a sensor sensing one or more physical observables or operation parameters. Furthermore, a method and system can be used for monitoring an electric engine or motor for use in... Agent: Infineon Technologies Ag
20140042878 - Motor driving system: A motor driving system that changes a rotation speed of a motor pursuant to a speed command includes a main device including a drive circuit configured to drive the motor, an input device configured to input the speed command to the drive circuit, and a signal insulating unit configured to... Agent: Nidec Servo Corporation
20140042843 - Ac generator: Provided is a vehicle AC generator which enables the common use of components and the use of the same molding die for molded bodies to enable a significant reduction in fabrication cost. The vehicle AC generator includes a molded body (45) having the same outer shape. On one surface side... Agent: Mitsubishi Electric Corporation
20140042844 - Spindle motor and disk drive apparatus: A base member of a spindle motor includes a base through-hole and a base groove portion. The base through-hole extends through a bottom portion of the base member. The base groove portion is arranged on a lower surface of the base member to extend radially outward from the lower end... Agent: Nidec Corporation
20140042845 - Apparatus and an assembly for emulating an impulse force exerted by a skeletal muscle: Various embodiments provide, an apparatus for emulating an impulse force exerted by a skeletal muscle, the apparatus including a mass and an actuator, the actuator being adapted to exert a unidirectional force, a unidirectional torque, a unidirectional moment or a unidirectional couple, on the mass, the apparatus being configured in... Agent: Nanyang Technological University
20140042846 - Motor housing: Disclosed herein is a motor housing including: a housing body accommodating a stator and a rotor therein; and a supporting frame coupled to the housing body and supporting a shaft of the rotor, wherein an end portion of the housing body is provided with a fixing part that is extended... Agent: Samsung Electro-mechanics Co., Ltd.
20140042848 - Brushless motor: A brushless motor is provided including: a rotor housing including a circular-cylinder-shaped bearing housing portion and an outer cylinder portion; a rotor magnet provided at an inner peripheral face of the outer cylinder portion; a bearing housed in the bearing housing portion and assembled to a motor shaft; a stator... Agent: Asmo Co., Ltd.
20140042847 - Spindle motor: A spindle motor includes a sleeve fixed to a base member, a shaft rotatably inserted into a shaft hole of the sleeve, and a rotor hub fixed to an upper end of the shaft. A protrusion having a corresponding inclined surface that defines a bearing clearance together with an outer... Agent: Samsung Electro-mechanics Co., Ltd.
20140042849 - Brushless motor: The brushless motor has an outer case 101, a rotor frame 107 which has a rotor magnet in an inner circumference thereof, and a shaft 105 which is fixed to the rotor frame 107 and which is held to the outer case 101 in a rotatable condition. The outer case... Agent: Minebea Co., Ltd.
20140042850 - Rotor magnetico de efecto brÚjula: The invention “compass-effect magnetic rotor” refers to an iron bar winding to which a DC current is applied to convert it into an electromagnet, this iron bar being centrally mounted on a shaft in such a way that when the whole assembly is oriented North-South the bar will point North-South... Agent:
20140042851 - Motor and method for manufacturing stator core and rotor core of motor: A motor includes a first, second, and third motor unit. First, second and third rotors each including a first and second rotor core and a field magnet. The first and second rotor cores include respectively first and second rotor core bases and a plurality of first and second claw magnetic... Agent:
20140042852 - Axial flux permanent magnet motor: Disclosed herein is an axial flux permanent magnet (AFPM) motor including: a stator including a stator core, a magnet wire wound around the stator core, a shaft, and a stator core supporting member fixedly supporting the stator core to the shaft; and a rotor including a rotor case having a... Agent: Samsung Electro-mechanics Co., Ltd.
20140042853 - Electric rotating machine: A magnetic resistance changing mechanism for changing a magnetic resistance of a stator magnetic path including a stator yoke portion and each tooth portion by mechanically changing the stator magnetic path is provided. A pair of side protruded portions are formed on circumferential sides of a rotor side end portion... Agent: Yamaha Hatsudoki Kabushiki Kaisha
20140042854 - Rotor: A laminated core of a rotor includes an inner core portion and a plurality of outer core portions. The inner core portion axially extends in a cylindrical shape in a region located more radially inward than magnets. The outer core portions are arranged in a circumferential direction in a region... Agent: Nidec Corporation
20140042855 - Permanent-magnet (pm) rotors and systems: Permanent-magnet (PM) rotors, rotor components, and machines using PM rotors.... Agent:
20140042856 - Permanent magnet type motor and method for manufacturing permanent magnet type motor: Provided is a method for manufacturing a permanent magnet type motor in which a permanent magnet is incorporated into a rotor cores stack, the method including a process of forming the rotor core stack, by combining a plurality of core sheets having a magnet insertion hole with a core sheet... Agent: Sanyo Denki Co., Ltd.
20140042857 - Rotor of a permanently excited synchronous machine: A rotor of a permanently excited synchronous machine includes a shaft capable of rotating about an axis and a laminated core having an axial layering arrangement defined by planes which are aligned perpendicular to the axis. The laminated core has at least two layers of different geometry. A first layer... Agent: Siemens Aktiengesellschaft
20140042858 - Rotor for rotary electric machine: A rotor for a rotary electric machine includes a pair of Lundell-type cores, a plurality of magnets, and a magnet retainer. The pair of Lundell-type cores includes a plurality of claw poles with flange portions projecting to a circumferential direction of the rotor from an end portion on an outer... Agent:
20140042859 - Axial gap rotating electrical machine: An axial-gap rotating electrical machine in which the distance of the air gap between a rotor and a stator can be accurately controlled is provided. A large diameter portion and a small diameter portion are formed on a rotating shaft and a stepped portion is formed therebetween. A rotor yoke... Agent: Hitachi Industrial Equipment Systems Co., Ltd.
20140042860 - Interior permanent magnet machine having off axis centered arc geometry: A rotor core defines a plurality of cavities, and includes one magnet disposed within each cavity. Each magnet includes a cross section that defines an arcuate shape having an arc center. The magnets are arranged about a pole axis to define a first group of magnets disposed on a first... Agent: Gm Global Technology Operations LLC
20140042861 - Rotor yoke and motor applying rotor yoke: A rotor yoke includes plural rotor cores having a disk shape laminated to be formed in a cylindrical shape, plural magnet inserting holes each including a longitudinal side and a transverse side, penetrated in a laminating direction of the rotor yoke, a bridge portion arranged between the magnet inserting holes... Agent: Aisin Seiki Kabushiki Kaisha
20140042862 - Stator and rotating electric machine: A stator includes: a stator core with N pieces of slots ranging along an axial direction, which are formed side-by-side along a circumferential direction; and a stator winding installed in the slots at the stator winding. The stator winding includes a plurality of winding groups, each made up with N... Agent: Hitachi Automotive Systems Ltd
20140042863 - Brushed direct current motor and brake system for vehicle using the same: In a brushed direct current motor including a stator that is provided with 2×P magnetic poles (P is odd and greater than or equal to three), an armature core rotatably held with respect to the stator and includes P×N±2 teeth (N is an even and greater than or equal to... Agent:
20140042864 - Dc motor: A DC motor has a stator including two magnets arranged in a circumferential direction. An armature includes an armature core having eight slots arranged in a circumferential direction and radially facing the magnets. A commutator rotates integrally with the armature core and includes four segments separated in the circumferential direction... Agent: Asmo Co., Ltd.
20140042865 - Stator weld joints and methods of forming same: A method of forming a weld joint includes removing a portion of an insulator from a first core of a first magnet wire and a second core of a second magnet wire so that the first wire has a first heat affectable zone and a first insulator portion adjacent the... Agent: Gm Global Technology Operations LLC
20140042866 - Motor core component and method for increasing material utilization and slot fill ratio thereof: A motor core component (10) comprising a plurality of poles (12) and an annular or ring-shaped yoke (16). The yoke (16) is manufacturing by bending or folding a belt component (26) comprising a plurality of yoke portions (14), allowing for greater material utilization during production. At least a portion of... Agent: Johnson Electric S.a.
20140042867 - Method and structure for cooling an electric motor: A high speed electric motor for use in a variety of applications. The electric motor an electric motor including a motor housing or stator, a rotor having a commutator and brushes for contacting the commutator at a predefined area known as the contact area. Additionally, the motor includes a forced... Agent: Smartpool LLC
20140042868 - Devices and methods for magnetic pole and back iron retention in electromagnetic machines: In some embodiments, an electromagnetic machine includes a rotor element configured for movement relative to a stator. The rotor element includes a support member, a backing member, and a magnetic pole assembly. The support member includes a first coupling portion. The backing member is formed, at least in part, from... Agent: Boulder Wind Power, Inc.
20140042869 - Out-of-plane travel restriction structures: The present disclosure includes structures and methods of forming structures for restricting out-of-plane travel. One example of forming such structures includes providing a first wafer 100, 220 comprising a bond layer of a particular thickness 101, 221 on a surface of a substrate material 105, 225, removing the bond layer... Agent:
20140042870 - Electronic component and acoustic wave device: An electronic component has a mounting board, a bump located on a mounting surface of the mounting board, a SAW device located on the bump and connected to the bump. The SAW device has an element substrate, an excitation electrode located on the first primary surface of the element substrate,... Agent: Kyocera Corporation
20140042871 - Piezoelectric driving circuit and driving method thereof: A piezoelectric driving circuit generates a first PWM output according to a result of comparison between a ramp signal and a reference sinewave and generates a second PWM according to a result of comparison between the ramp signal and an inverse reference sinewave of the reference sinewave. The switching operation... Agent: Fairchild Korea Semiconductor Ltd.
20140042872 - Polarity switching circuit: A polar switch circuit is disclosed. The polar switch circuit comprises the first to the forth transistor switches and the first to the second filter circuits. The first and forth transistor switches are controlled by a first pulse-width modulating signal. The second and third transistor switches are controlled by a... Agent: Microjet Technology Co., Ltd
20140042873 - Apparatus and method for charging a mobile device: An apparatus, a method, and a computer program product are provided. The apparatus may be a mobile device. The mobile device receives a first mechanical force applied to at least one region on the mobile device, performs a function unrelated to energy conversion in response to the first mechanical force,... Agent: Qualcomm Incorporated
20140042874 - Piezoelectric vibrating piece and piezoelectric device: A piezoelectric vibrating piece includes a vibrator, a framing portion, a connecting portion, and an extraction electrode. The vibrator includes excitation electrodes formed on both principal surfaces. The framing portion includes an inner peripheral side facing the vibrator and an outer peripheral side on an opposite side of the inner... Agent: Nihon Dempa Kogyo Co., Ltd.
20140042875 - Piezoelectric element, piezoelectric device and method of manufacturing piezoelectric element: A piezoelectric element includes a substrate, and a lower electrode layer, a piezoelectric film represented by a general formula of (NaxKyLiz)NbO3 (0<x≦1, 0<y≦1, 0≦x≦0.2, x+y+z=1) and an upper electrode layer formed on the substrate. The piezoelectric film has a crystal structure of pseudo-cubic crystal, tetragonal crystal, orthorhombic crystal, monoclinic crystal... Agent: Hitachi Metals, Ltd.02/06/2014 > 53 patent applications in 42 patent subcategories.
20140035393 - Doubly salient permanent magnet electric machine: Disclosed herein is a linear, curved or rotary electric machine. The electric machine includes first and second movers which are adjacent to each other and have a phase angle difference of 60° therebetween. The first mover includes phases U, V and W and the second mover includes phases /U, /V... Agent: Korea Electrotechnology Research Institute
20140035394 - Linear transverse flux electrical machine: The invention concerns a linear transverse flux electrical machine (TFEM) comprising a fixed portion; and a movable portion located in respect with the fixed portion, the movable portion including an alternate sequence of magnets and concentrators longitudinally disposed about a longitudinal axis thereof; the fixed portion including at least one... Agent: Eocycle Technologies Inc.
20140035395 - Drive system having a linear actuator and item of furniture having such a drive system: A drive system includes a linear actuator for transmitting a linear movement, the linear actuator having a spindle and a nut which co-operates therewith and an electric motor for driving the spindle. The drive system has a fixed frame and at least one frame movable relative thereto, the linear actuator... Agent:
20140035396 - Self-reciprocating electric motor: A motor that is distinct in that it is electric and it reciprocates it's own use, exemplifying more power than what is needed in function. Such a motor as to be used in torque to transmission of motion leverage, as well as power generation. A motor in which, of the... Agent:
20140035397 - Vibration actuator: A first weight portion of a vibration actuator includes an inner-side enlarged portion that protrudes from an end portion of a solid head in a direction of a vibration axis and that is inserted into an opening portion extending within a first compression coil spring along the direction of the... Agent: Nidec Copal Corporation
20140035398 - Method and device for torque generation based on electromagnetic effect: A method and device of torque generation based on electromagnetic effect is provided. An electromagnetic torque whose direction is opposite to the motor driving direction is generated in a magnetic field when a motor-drive armature winding is adopted based on the electro-magnetic induction principle. Meanwhile, a reverse electromagnetic torque which... Agent: Beijing University Of Technology
20140035399 - Brush device, electric machine: The invention relates to a brush device, in particular for an electric machine, comprising at least one brush holder which has at least two brush boxes for receiving in each case one brush, wherein the brushes are mounted in a displaceable manner in the respective brush box and wherein a... Agent:
20140035400 - Rotating electric machine: A rotating electric machine includes a hollow cylindrical stator core and a stator coil mounted on the stator core. The stator core has a plurality of slots that are arranged in a circumferential direction of the stator core. The stator coil is formed of a plurality of substantially U-shaped electric... Agent:
20140035402 - Electric generator: An electric energy generator includes a driving shaft designed to be coupled to an external energy source having a predetermined torque, a synchronous reluctance rotating electric machine having a stator and a transverse-laminated rotor, and a driven shaft operatively coupled to the drive shaft for generating electric energy with a... Agent: Reel S.r.l.
20140035401 - Windmill comprising a transverse flux electrical machine: The invention concerns a windmill including a rotatable transverse flux electrical machine (TFEM) comprising a stator portion; and a rotor portion rotatably located in respect with the stator portion, the rotor portion including an alternate sequence of magnets and concentrators radially disposed about a rotation axis thereof; the stator portion... Agent: Eocycle Technologies Inc.
20140035403 - Electric motor with balance adjustment mechanism for rotor and manufacturing process thereof: An electric motor includes an insert member situated within an insert bore formed in a rotor in order to adjust a balance of the rotor. The insert member has a body part provided with a cutout portion in a part of its circumference to define a gap extending therebetween. The... Agent: Fanuc Corporation
20140035404 - Angled weld end turns for coolant access: An electric machine includes a stator core having a plurality of circumferentially-oriented slot positions, each slot position having a plurality of radially-oriented slots, each slot extending longitudinally through the core. The stator core has a plurality of conductor segments each extending through at least one of the slots. When a... Agent:
20140035444 - Anti-separating structure of sensing magnet for motor: The present invention relates to an anti-separating structure of sensing magnet for motor, wherein, the coupling between the plate and the sensing magnet is effected by the bent unit formed at the plate and a separate cap member to reinforce the coupling power to axial, horizontal and rotational directions by... Agent: Lg Innotek Co., Ltd.
20140035443 - Electric cylinder and electric cylinder system: An electric cylinder includes: an outer cylinder including, on one end side, a fixing section; a rod configured to be capable of expanding and contracting in an axis direction from an opening on the one end side of the outer cylinder; a bearing provided on the other end side end... Agent: Sintokogio, Ltd.
20140035445 - Rotating electric machine and electric power steering apparatus: A rotating electric machine for driving a drive object includes a heat sink having a cavity on a first face, a power module disposed on the heat sink for switching a power supply for the winding, a power wiring part disposed on the first face of the heat sink and... Agent: Denso Corporation
20140035405 - Rotary electric machine: A rotary electric machine includes a rotor, a stator, a circuit substrate, a tubular closed-top and closed-bottom motor case arranged to accommodate the rotor, and bearings. The motor case is axially divided into a first casing and a second casing. Each of a first and a second tap portion of... Agent: Nidec Servo Corporation
20140035407 - Rotating electric machine and electric power steering device: A rotating electric machine for driving a drive object is provided. The rotating electric machine includes a motor case, a stator, a winding, a rotor, a shaft, a base cap, an end cap, an output rod, base cap holes, end cap holes, and through bolts. The base cap has base... Agent: Denso Corporation
20140035406 - Stator for rotating electric machine and method of manufacturing the same: A stator includes a hollow cylindrical stator core and a stator coil formed of a plurality of electric conductor segments. Each of the electric conductor segments includes, at least, an in-slot portion received in a corresponding slot of the stator core and a protruding portion that protrudes from the in-slot... Agent: Denso Corporation
20140035408 - Spindle motor: A spindle motor is provided, the motor including: a base plate; a PCB Printed Circuit Board arranged on an upper surface of the base plate; a bearing assembly coupled to the base plate; a stator coupled to a periphery of the bearing assembly; and a rotor rotationally coupled to the... Agent: Lg Innotek Co., Ltd
20140035409 - Ball bearing particularly for use in high speed generator: A ball bearing has an outer race and an inner race A plurality of ball members are supported radially between the inner and outer races. A pair of bearing cage halves are placed at axial ends of the balls. The bearing cage halves are formed of a first relatively hard... Agent:
20140035410 - Rotating device: A rotating device is a device in which a sleeve of a rotor surrounds a shaft of a fixed body, a lubricant intervening between the shaft and the sleeve. A gap between the shaft and the sleeve includes two dynamic pressure generation portions spaced apart from each other in an... Agent:
20140035412 - Magnetic bearing assembly: Stray magnetic fields created by non-symmetrical magnetisation of the permanent magnets in a rotating magnet array of a magnetic bearing assembly, when used in turbo molecular pumps, can cause significant problems to devices such as scanning electron microscopes. In order to minimise the stray fields, at least the dipole and... Agent: Edwards Limited
20140035411 - Non-contact thrust bearing using permanent magnets: A magnetic thrust bearing for use in a device for relatively free rotational movement of a first part relative to a second part includes axial and laterally spaced magnets. Each magnet has a magnetic field of force with opposing poles and a transition section which converges to a transition line.... Agent:
20140035413 - Motor mount: A mount for an electric motor, the mount comprising a sleeve for receiving a motor, the sleeve including plurality of elements projecting from a surface of the sleeve, wherein the plurality of elements include a vertex.... Agent: Dyson Technology Limited
20140035414 - Brake device with built-in power generation mechanism and permanent magnetism eddy current: A brake device with built-in power generation mechanism and permanent magnetism eddy current comprises: an external rotator including a flywheel and a permanent magnet fixed at an inner periphery of the flywheel; an internal stator including a fixing bracket and a tile-shaped armature mounted at an outer periphery of the... Agent: Chi Hua Fitness Co., Ltd.
20140035415 - Motive power transmission device: A motive power transmission device capable of suppressing deformation of matching surfaces of cases is provided. A motive power transmission device is used as a transmission for a hybrid vehicle containing a first rotating electric machine and a second rotating electric machine as two rotating electric machines. The first rotating... Agent: Toyota Jidosha Kabushiki Kaisha
20140035416 - Electric motor: An electric motor includes a stator, a rotor and a can arranged between the stator and the rotor, wherein the stator exhibits several stator pole pairs, which are each formed by two adjacent stator poles, which are designed in such a way as to generate oppositely polarized magnetic fields, and... Agent: Grundfos Holding A/s
20140035417 - Rotatable transverse flux electrical machine: The invention concerns a rotatable transverse flux electrical machine (TFEM) comprising a stator portion; and a rotor portion rotatably located in respect with the stator portion, the rotor portion including an alternate sequence of magnets and concentrators radially disposed about a rotation axis thereof; the stator portion including at least... Agent: Eocycle Technologies Inc.
20140035418 - Motor stator with reduced coil configuration: A motor is provided for use in a machine. The motor includes a segmented stator comprising magnetically isolated core segments.... Agent: Nidec Motor Corporation
20140035419 - Rotor, rotating electrical machine, and manufacturing method of the rotor: The rotor includes a rotor core in which the pore is shaped in the center and the magnet is arranged on the circumference of the pore, and a shaft, in which, by means of a knurling tool being partially shaped on the peripheral surface, the knurling tool shaping part with... Agent: Kabushiki Kaisha Yaskawa Denki
20140035420 - Permanent magnet rotor and method for reducing torque ripple in electric motor: A permanent magnet motor (10) with reduced torque ripple and noise comprises a stator (20) and a rotor (30) divided into a plurality of rotor units (33). The rotors units include a plurality of structural features (38, 39, 40) to attach a plurality of magnetic components (35, 36). The rotor... Agent: Johnson Electric S.a.
20140035421 - Rotor of rotary electric machine: A rotor of a rotary electric machine includes a rotor core, a plurality of magnet groups, and a plurality of grooves provided between adjacent slot groups. A circumferential rib is provided at a first position on an outer circumferential surface of each of the magnets. A radial direction rib is... Agent: Honda Motor Co., Ltd.
20140035422 - Rotor, motor and method for manufacturing rotor: A motor includes a shaft, a rotor, and a stator. The rotor includes first and second rotor cores, and a field magnet. Second claw magnetic pole portions of second rotor core are arranged between first claw magnetic pole portions of the first rotor core. The field magnet causes the first... Agent:
20140035423 - Construction of electric machines: An improvement in apparatus and methods of making electrical machines, utilizing a combination of additive manufacturing techniques to create, in particular, small, high efficiency stators, but also useful for making complex rotor structures.... Agent: Hamilton Sundstrand Corporation
20140035425 - Electric machine: The proposed principle relates to an electric machine having a stator (1) and a rotor (2) that can move relative to the stator. The stator (1) comprises a first and at least one second winding system (4, 5) that have coils, each of which is placed in stator slots (3)... Agent: Feaam Gmbh
20140035424 - Rotating electrical machine: A rotating electrical machine includes a toric stator and a rotator located inside or outside the stator. The stator includes a plurality of teeth radially extending from the center of a circle of the stator with equal gap, and the plurality of coils arranged in order and in layers by... Agent: Kabushiki Kaisha Yaskawa Denki
20140035427 - Method for producing a stator winding of an electric machine, in particular an ac generator: Method for producing a stator winding (18) of an electric machine (10), in particular an AC generator, wherein the stator winding (18) has at least n phase windings (120, 121, 122, 123, 124), and one phase winding (120, 121, 122, 123, 124) has a plurality of directly successive wound coils... Agent: Robert Bosch Gmbh
20140035426 - Stator including conductors provided with a ceramic covering: A stator core includes a plurality of slot segments, a plurality of stator winding conductors arranged in select ones of the plurality of slot segments, and a ceramic covering provided on one or more of the plurality of stator winding conductors. The ceramic covering includes an adhesive bonded to the... Agent: Remy Technologies, L.L.C.
20140035428 - Stator of rotary electric machine, and manufacturing method therefor: A stator of a rotary electric machine, in which an insulating capacity higher than or equal to an insulating capacity of a flat portion of a stator core can be maintained at edge portions of the stator core. The stator of the rotary electric machine includes a core-sheet laminate that... Agent: Mitsubishi Electric Corporation
20140035429 - Stator core and motor device including the same: Disclosed is a stator core including a core back fixedly inserted onto an outer surface of a stationary member, a plurality of teeth protruding from the core back in an outer diameter direction, wherein a coil is wound around the plurality of teeth so as to allow magnetic flux from... Agent: Samsung Electro-mechanics Co., Ltd.
20140035430 - Motor and washing machine having the same: A motor having an improved structure to enhance productivity and assemblability and a washing machine having the same includes a main body, a tub disposed in the main body, a drum rotatably disposed in the tub, and a motor mounted to a surface of the tub to rotate the drum.... Agent: Samsung Electronics Co., Ltd.
20140035431 - Rotating electrical machine: To obtain a rotating electrical machine preventing a functional failure and shortening of the life of brushes caused by a temperature rise of the brushes installed to a vehicle AC power generator or a motor generator. A brush holder holding brushes supplying a field current to a rotor is provided... Agent: Mitsubishi Electric Corporation
20140035434 - Mems device comprising an under bump metallization: The present invention concerns a MEMS device comprising an under bump metallization (4)—UBM—to contact the device via flip-chip bonding with a substrate. The UBM (4) is placed on the surface of the MEMS device and close to the corners of the surface. Further, the shape of the UBM (4) is... Agent: Epcos Ag
20140035432 - Mems device with increased tilting range: A micro-electro-mechanical (MEMs) devices including a compound hot electrode, which increases the tilting range of the MEMs device. A substantially vertical hot electrode is mounted adjacent to the end or the sides of a pivoting ground electrode, formed of the underside of a pivoting mirror, and combine with a conventional... Agent:
20140035433 - Mems device, electronic apparatus, and manufacturing method of mems device: A MEMS device is a MEMS device having a MEMS vibrator which includes a plurality of MEMS constituent elements laminated and formed above a first foundation portion which is laminated above a main surface of a wafer substrate, and the MEMS constituent elements are laminated above a first oxide film... Agent: Seiko Epson Corporation
20140035435 - System for generation of useful electrical power from isotopic emissions: Particles emitted by radio-isotopic by-products of nuclear fission are used as a power source at the cathode of a magnetron system. Particles include high energy electrons having a large associated EMF. In the system a radial electrical vector E, between the cathode and anode, interacts with an axial magnetic vector... Agent:
20140035436 - Component operating with acoustic waves and method for producing same: The invention concerns a component (B) operating with acoustic waves, in which the reflection and excitation are largely decoupled. For this purpose, a component comprises a dielectric (DL) which is arranged between an electrode finger (EF) and a piezoelectric substrate (PSU) and at least partially overlaps the electrode finger.... Agent: Epcos Ag
20140035437 - Driving apparatus: A driving apparatus comprises a piezoelectric element (12) expanding and contracting in accordance with a driving pulse signal (40, 42), a supporting shaft (14) connected to said piezoelectric element, a movable body (20) frictionally engaged with said supporting shaft and capable of moving along said supporting shaft, and a driving... Agent: Tdk Corporation
20140035438 - Passive, self-tuning energy harvester for extracting energy from rotational motion: Energy harvester. The harvester includes a radially extending beam having a proximal end mounted a selected distance from an axis of rotation of an object and includes a mass at its distal end. The mass, beam characteristics, and the selected distance are chosen so that the beam resonant frequency during... Agent: Massachusetts Institute Of Technology
20140035439 - Piezoelectric device: A piezoelectric device according to the present invention is provided with a first electrode film, a first nonmetal electroconductive intermediate film provided on the first electrode film, a piezoelectric film provided on the first nonmetal electroconductive intermediate film, a second nonmetal electroconductive intermediate film provided on the piezoelectric film, and... Agent: Tdk Corporation
20140035440 - Piezoelectric device: A piezoelectric device according to the present invention is provided with a pair of electrode films, a piezoelectric film sandwiched in between the pair of electrode films, and a stress control film which is in direct contact with a surface of at least one of the pair of electrode films,... Agent: Tdk Corporation
20140035441 - Vibration piece, electronic device and electronic apparatus: A vibration piece includes a pair of base sections which are disposed with spaces in between each other, and a pair of vibration arms which are disposed between the pair of base sections. In addition, the vibration arms, respectively have three vibration areas of a pair of end areas positioned... Agent: Seiko Epson Corporation
20140035442 - Bearing structure and spindle motor having the same: A spindle motor is disclosed, wherein the spindle motor includes a bearing housing coupled to the base plate, a bearing disposed in the bearing housing, and a rotating shaft inserted into the bearing to rotatably support to the bearing, a portion of bearing protruded from a circumferential face of the... Agent: Lg Innotek Co., Ltd.Previous industry: Electrical transmission or interconnection systems
Next industry: Supports: cabinet structure
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