Electricity: motive power systems patents - Monitor Patents
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Electricity: motive power systems

Below 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.
11/13/2014 > 21 patent applications in 16 patent subcategories.

20140333230 - Device for recovering, storing and retrieving electricity for a handling door: The device for recovering, storing and retrieving electricity from the decelerations of an electromechanical system such as a flexible curtain of a handling door is made up of a management interface (IG) connected to a frequency inverter (VF) and to a control logic board (CC) controlling the opening and closing... Agent: Sofineco

20140333231 - Operating method of a power supply and communication entity and an actuator intended to be part of a home-automation system: Method of operating a power supply and communication entity intended to form part of a system with at least one home-automation actuator comprising an electric motor for driving a movable element in a building, the power supply and communication entity comprising two electrical terminals for linking to the actuator, making... Agent: Somfy Sas

20140333232 - Method and apparatus for controlling a bucket hoist: A control system for a bucket hoist includes a two-axis master switch configured to generate a first and a second command signal responsive to motion along each axis. Each command signal is provided to one of a pair of motor controllers configured to control one of a pair of motors.... Agent:

20140333233 - Remote wireless motor control law processing system: A method and apparatus for operating an electric motor unit. Information is received from the electric motor unit over a wireless communications link between the controller and the electric motor unit. Commands are identified for the electric motor unit from the information received. The commands identified are sent to the... Agent: The Boeing Company

20140333234 - Motor control circuit: In some preferred embodiments, a motor control circuit 1 for controlling driving of a plurality of motors 3 and 4 includes a serial communication circuit configured to perform serial communication with an outside, a received data storage 15 configured to store data from the serial communication circuit, a motor mode... Agent:

20140333235 - Vibrator motor speed determination in a mobile communications device: One embodiment relates to testing and verifying vibrator motor operation during manufacturing of a device and during in-the-field use. The test relies on an integrated motion sensor or other mechanical measurement circuitry, such as, for example, an accelerometer. In one embodiment, a speed determination for a vibrator motor performance during... Agent:

20140333236 - Linear motor device and method for controlling linear motor device: A linear motor device includes a linear motor and a control unit configured to apply a load to a pressurizing object by causing a movable part of the linear motor to move. After causing the movable part to move toward the pressurizing object at a predetermined first speed based on... Agent: Thk Co., Ltd.

20140333238 - Shovel: A shovel includes a power storage device, and an electric motor to which electric power is supplied from the power storage device. The power storage device includes a housing; a first power storage module including a plurality of laminated power storage cells stacked in a first direction, a first terminal,... Agent:

20140333239 - Shovel: A shovel includes a power storage module; and an electric motor driven by electric power stored in the power storage module. The power storage module includes a plurality of cell units stacked to form a stacked structure. Each of the cell units has a power storage cell including a pair... Agent:

20140333237 - Shredder load optimization system and method: An electrical power load optimization system operable to regulate a power supply to one or more industrial machines so that a load imposed on the power supply by the one or more machines is consistent and fluctuations are minimized.... Agent:

20140333241 - Optimized control for synchronous motors: Representative implementations of devices and techniques provide optimized control of a three-phase AC motor. A field oriented control (FOC) arrangement uses optimization components and techniques to improve power efficiency of the motor, with fast control response over a full range of motor speeds.... Agent: Infineon Technologies Ag

20140333240 - Synchronous machine controller: A synchronous machine controller includes a position detecting unit that detects a position of a rotor, a current detecting unit that detects an armature current, a current command generating unit that generates first and second current commands, a voltage command generating unit that generates a voltage command on the basis... Agent: Mitsubishi Electric Corporation

20140333244 - Control of a permanent-magnet electric machine: A method of controlling a permanent magnet synchronous machine including a stator and a rotor. The method includes determining an estimated position of the rotor, and determining a second in-phase voltage setpoint that, in alternation, is equal either to a first in-phase voltage setpoint or else to the first in-phase... Agent: Universite De Lorraine

20140333243 - Motor drive control device and operating method thereof: Motor Drive Control Device configured to properly start up various types of motors under operating conditions where motor operations are performed in a wide range of temperature and power supply voltage, includes output drive controllers that supply PWM drive output signals to an output pre-driver in such a manner as... Agent:

20140333242 - Systems and methods for adaptive motor speed control: A system including memory to store a plurality of sets of values, where each set is used to control speed of a different type of motor. A pulse width modulation (PWM) module receives an input indicating a type of motor sensed in the system, selects a set corresponding to the... Agent:

20140333245 - Protective circuitry for insulation damage due to failure of intermediate circuit capacitors: The present disclosure relates to an intermediate circuit for an EC motor, comprising at least two similar series-connected capacitors for the connection of an electronic commutation device of an EC motor for nominal operation at a nominal voltage. In each case, a varistor is connected in parallel to each series-connected... Agent: Ebm-papst Mulfingen Gmbh & Co. Kg

20140333246 - Control device for semiconductor switch on an inverter and method for the actuation of an inverter: The invention relates to a control device (4) for the actuation of a semiconductor switch (1) on an inverter having an actuation switch (16) that is designed to generate a driver signal (18) depending on a switch signal (5) generated by a control regulation of the inverter, and a driver... Agent:

20140333247 - Reduced torque ripple system: An apparatus with reduced torque ripple is disclosed. The apparatus includes a back electromotive force (BEMF) detector, a harmonic identifier, and a compensator circuit. The BEMF detector is configured to detect a BEMF voltage waveform. The harmonic identifier is configured to receive the BEMF voltage waveform and is further configured... Agent: Seagate Technology LLC

20140333248 - Servo motor control system: All correction data is stored in the main memory of a numerical controller in advance. Of all correction data, the minimum data required for correction is transferred, for each interpolation cycle, to a built-in memory of a peripheral control LSI included in a servo control unit. A servo control processor... Agent: Fanuc Corporation

20140333249 - Motor control device for suppressing natural vibrations: A frequency component extracting unit (15) extracts a frequency component included in a control signal at a first frequency step size. A frequency detection unit (16) detects, from the extracted frequency component, a frequency corresponding to a natural frequency of a target object constituted of a motor (3) and a... Agent: Fanuc Corporation

20140333250 - Image forming apparatus, motor control apparatus, and method of controlling a motor: An image forming apparatus may include an engine portion used to perform an image forming job, a step motor configured to start the engine portion, a driver including a resistor that measures current that flows to a coil of the step motor and is configured to provide a predetermined constant... Agent: Samsung Electronics Co., Ltd

11/06/2014 > 10 patent applications in 9 patent subcategories.

20140327378 - Driver device and driving method for driving a capacitive load, in particular an ultrasound transducer: The present invention relates to a driver device (40; 60) for driving a capacitive load (12), in particular an ultrasound transducer (12) having one or more transducer elements, comprising an output terminal (42; 68) for providing an alternating drive voltage (V14; V22) to the load (12), a plurality of voltage... Agent: Konnklijke Philips N.v.

20140327377 - System and a method for emitting an ultrasonic signal: A system for emitting an ultrasonic signal is provided. The system includes a first ultrasonic transducer and a second ultrasonic transducer. A plate of the first ultrasonic element faces a plate of the second ultrasonic element such that the plate of the first ultrasonic element is spaced apart from the... Agent: Lokdon LLC, Dba Mad Genius Controllers

20140327379 - Position sensorless drive system and method for permanent magnet motors: A position sensorless drive systems for a permanent magnet motors are disclosed. An embodiment includes a square wave voltage source connectable to an input of a permanent magnet motor. At least one current sensor is connectable to the motor, wherein the current sensor is configured to sense the current in... Agent: Texas Instruments Incorporated

20140327380 - Circuits and methods of determining position and velocity of a rotor: A motor controller includes a square wave voltage generator and adding circuitry for adding the square wave voltage to a first drive voltage that is connectable to the stator windings of a motor. A current monitor for monitoring the input current to the motor as a result of the square... Agent: Texas Instruments Incorporated

20140327381 - Motor with rotor-mounted control circuitry: A rotating electromechanical machine has a rotor having at least one current-carrying winding and at least one rotor-mounted sensor configured to sense a machine property or parameter during machine operation. Rotor-mounted circuitry dynamically modifies at least one property of the current-carrying winding during machine operation in response to the sensed... Agent:

20140327382 - Electric ratchet for a powered screwdriver: A powered screwdriver system includes an electric ratchet. In accordance with one aspect, the powered screwdriver system includes a driver housing and includes a motor disposed within the housing. A working end provides a rotational output and is mechanically coupled to the rotor. A power source provides power to the... Agent:

20140327383 - Parcel and mass flow scale: Weighing system (FIG. 3, FIG. 6) to weigh items, parcels and the like while they are moving, for example, on a conveyor. A servo amplifier (14) and servo controller (20) are arranged to drive a servo motor in a feedback (15) configuration, and acquire torque sensing signals (17) responsive to... Agent: Raf Technology, Inc.

20140327384 - Electronic device and control method: An electronic device includes a first control circuit which controls a first drive circuit to drive a cooling device, a second control circuit which controls the first drive circuit, a switch circuit which connects one of the first and second control circuits to the first drive circuit, and a switch... Agent:

20140327385 - Motor drive apparatus for driving stepping motor and control method therefor: A CPU obtains a difference between a data number at timing when an ENC0 signal or an ENC1 signal changes in a case where there is no follow-up delay of a rotor relative to a voltage signal applied to an A-phase coil and a B-phase coil and a data number... Agent: Canon Kabushiki Kaisha

20140327386 - Radio-controllable ac-powered motors with several functions: This invention relates to radio-controllable AC electric motors, which receives their power from the AC (alternating current) power line. A less costly motor, which is readily controllable is achieved by substituting control-units previously manufactured and existing inside a motor, replacing them with an external RC control which contain similar control-unit's.... Agent:

10/30/2014 > 15 patent applications in 14 patent subcategories.

20140320045 - Circuits and methods for driving eccentric rotating mass motors: Circuits and methods for driving ERM motors are disclosed herein. An embodiment of the circuit includes an input, wherein an input signal is receivable at the input and a back EMF signal. The circuit operates in a closed loop mode when the back EMF signal is less than a lower... Agent: Texas Instruments Incorporated

20140320046 - Detectible indication of an electric motor vehicle standby mode: Systems and methods are provided for detecting that an electric motor drive vehicle (e.g., an electric scooter or motorbike) is idling based on one or more of sensed parameters indicative of the idling state. These sensed parameters may include one or more of, alone or in any combination, a sensed... Agent:

20140320047 - Drive system and vehicle including drive system: A drive system includes a first switching unit, a first capacitor, a step-down circuit, a second capacitor, and a discharging unit. The first switching unit is configured to convert energy, stored in an electrical storage device, to electric power that is supplied to a motor. The first capacitor is connected... Agent: Toyota Jidosha Kabushiki Kaisha

20140320048 - System and method for reducing radiated emissions in an integrated motor drive: A motor drive, configured to be mounted to a motor, includes improvements to input circuits configured to receive and/or transfer power within the motor drive to reduce emissions over prior art motor drives. According to a first embodiment of the invention, the motor drive includes a voltage balancing circuit which... Agent: Rockwell Automation Technologies, Inc.

20140320049 - Ac motor: An embodiment of the invention provides an AC motor that is driven by an AC voltage. The AC motor includes a motor coil, a switch circuit, a position detector and a controller. The motor coil receives the AC voltage to drive an axis of the motor. The switch circuit is... Agent:

20140320050 - Power converter circuit: A power converter circuit has at least two submodules connected in a series circuit and receiving electrical power from a power source outputting a DC voltage, via an inductance. Each submodule has, on the input side, a single-phase half bridge and, on the load side, a single-phase full bridge, wherein... Agent: Siemens Aktiengesellschaft

20140320051 - Motor winding and power electronic switch assembly having switchable output capability: A motor winding and power electronic switch assembly having switchable output capability is disclosed to include a first winding set including a first upper winding and first lower winding connected to a common contact, a first switch set including four power electronic switches electrically connected to the first winding set,... Agent: J.d. Components Co., Ltd.

20140320052 - Centralized motor controller: A centralized motor controller for receiving commands from an application system controller and for controlling operation of a plurality of independent motors. The centralized motor controller includes: a power supply; a microprocessor; and an interface circuit for motor control including at least two inverter units and two rotor position detection... Agent:

20140320053 - Generating a coil switching signal for a brushless dc motor: Some embodiments provide a system that generates a coil switching signal for a brushless DC motor. During operation, the system determines a magnetic field of the brushless DC motor at a first time and a magnetic field of the brushless DC motor at a second time. Then, the coil switching... Agent:

20140320054 - Electrical outlet with draining mechanism: An electrical outlet for receiving an electrical plug is illustrated. The electrical outlet includes a housing defining a recess for receiving the electrical plug and a closed groove in a bottom of the recess, and a draining mechanism accommodated in the housing. The draining mechanism includes a barrel, a first... Agent: Fu Tai Hua Industry (shenzhen) Co., Ltd.

20140320055 - Electrical gear and method for operating a subsea machinery rotating at high speed: An electrical gear configured to supply electrical drive power to a machinery to be rotated at high speed, such as a subsea motor/pump or a subsea motor/compressor assembly, the electrical gear including a high input voltage AC-motor having a low pole number, the AC-motor drivingly connected to a medium output... Agent: Vetco Gray Scandinavia As

20140320056 - Methods and apparatus for active front end filter capacitor degradation detection: Apparatus and methods are provided for detecting degradation of delta-connected filter capacitors in an active front end (AFE) power converter, in which delta circuit capacitor leg currents are calculated based on measured branch circuit currents, and filter capacitor impedance values are computed based on the calculated leg currents as well... Agent: Rockwell Automation Technologies, Inc.

20140320057 - Position controller: A position controller sets a variable friction compensation value which varies in accordance with a change in sliding characteristics by providing a variable friction compensation value calculation unit that includes a sliding torque normalization calculation unit that normalizes a sliding torque at a predefined speed; a compensation value amplifying ratio... Agent: Okuma Corporation

20140320058 - Linear conveyor, conveyance carriage, and drive control method for linear conveyor: A linear conveyor includes: a linear motor stator which includes a plurality of electromagnets and in which each predetermined section can be individually controlled for conduction; a plurality of conveyance carriages each of which includes a linear motor mover; a linear scale which includes scale members secured to each of... Agent: Yamaha Hatsudoki Kabushiki Kaisha

20140320059 - Converter circuit and motor drive control apparatus, air-conditioner, refrigerator, and induction heating cooker provided with the circuit: A converter circuit capable of being compact and light-weight and capable of reducing switching loss, a motor drive control apparatus, an air-conditioner, a refrigerator, and an induction heating cooker provided with the circuit. The converter circuit including: a step-up converter including a rectifier, a step-up reactor, a switching element, and... Agent: Mitsubishi Electric Corporation

10/23/2014 > 19 patent applications in 17 patent subcategories.

20140312808 - Multi-dimensional positioning of an object: Apparatuses for positioning and moving an object are provided. One apparatus positions/moves the object within a two-dimensional space having the shape of a convex polygon. Another apparatus positions/moves the object within a three-dimensional space having the shape of a convex polyhedron. Yet another apparatus separately positions/moves two different attachment points... Agent:

20140312809 - Apparatus for controlling a multi-winding rotary machine: An apparatus for controlling a multi-winding rotary machine including an armature formed of a plurality of winding sets. In the apparatus, a command voltage calculator calculates command voltages to be applied to each winding set so as to control currents detected by a current detector to their respectively corresponding command... Agent: Denso Corporation

20140312810 - Electric vehicle control apparatus and electric vehicle: According to one embodiment, an electric vehicle control apparatus is provided with a converter having a diode and a switching device which convert an AC voltage or a DC voltage supplied from an input side into a DC voltage, whose output side is connected to a main motor through an... Agent:

20140312812 - Electric motor control device: An electric motor control device includes a current vector controller that follows a target command value for controlling an electric current of the motor by separating the current into a d-axis current and q-axis current orthogonal to each other. The motor control device further includes a driver for driving the... Agent: Panasonic Corporation

20140312813 - Air moving appliance with on-board diagnostics: An air moving appliance comprising an electric motor coupled to a fan, a control system for controlling the motor, the control system including monitoring means configured to monitor a motor load parameter; memory means configured to store a predetermined reference motor load parameter value; compensating means that determines a compensated... Agent: Dyson Technology Limited

20140312814 - Method and assembly for operating synchronous motors: A method is disclosed for operating a synchronous machine by way of a three-phase AC power controller, which is connected to a three-phase network. The embodiment of the method includes determining the phase difference between the magnet-wheel voltage of the synchronous machine and the network voltage of the three-phase network;... Agent:

20140312815 - Bi-stable, sub-commutated, direct-drive, sinusoidal motor controller for precision position control: An electric motor controller system for modulating requested motor torque via oscillating the instantaneous torque, including a bi-stable torque controller; a proportional-integral (PI) velocity controller a proportional-integral-differential (PID) position controller; and sinusoidal zero-velocity table mapping.... Agent:

20140312816 - Circuit and method for detecting missed commutation of a brushless dc motor: The system contains a controller unit comprising a memory device, a processing unit, and at least one analog-to-digital converter. A power stage has a plurality of switches, wherein the power stage receives a control signal from the control circuit and a power signal from a power source. The power stage... Agent: Cirrus Logic, Inc.

20140312811 - Position sensorless open loop control for motor drives with output filter and transformer: A power converter, control apparatus and methods are presented for driving a permanent magnet motor or other load through a sine wave filter and a transformer, in which inverter output current is controlled using a current-frequency relationship to convert a desired frequency or speed value to a current setpoint, and... Agent: Rockwell Automation Technologies, Inc.

20140312817 - Electronic circuit and method for triggering a semiconductor switch: An electronic circuit comprises at least one semiconductor switch mounted with its switching path in series with an inductive load to be triggered, and at least one freewheeling element that interacts with the semiconductor switch during switching phases and is also mounted in series with the load. A control unit... Agent: Ebm-papst Mulfingen Gmbh & Co. Kg

20140312818 - Semiconductor device and inverter system: A semiconductor device includes first and second resistor groups, first and second switch groups, a register, and an amplifier. The first resistor group includes plural first resistors connected in series between a first terminal and an output of the amplifier. The first switch group includes plural first switches. Each of... Agent: Renesas Electronics Corporation

20140312819 - Drive unit, image forming apparatus incorporating same, peripherals incorporating same, and control method therefor: A drive unit, which can be included in an image forming apparatus with peripherals disposed thereto and use a control method therefore, includes an inner rotor brushless DC motor, a driver, a rotation detector, and a controller. The driver supplies power to drive the brushless DC motor. The rotation detector... Agent: Ricoh Company, Ltd.

20140312820 - Apparatus for differencing comparator and associated methods: An apparatus includes an integrated circuit (IC). The IC includes a differencing comparator. The differencing comparator receives a differential input signal. The differencing comparator compares the differential input signal to a threshold value. The differencing comparator includes a transconductance circuit coupled to receive the differential input signal and to provide... Agent:

20140312821 - Inverter device for electric vehicle: An inverter device for an electric vehicle includes an inverter circuit that controls an electric motor connected to a wheel via a connecting member and a control unit that controls torque of the electric motor. The control unit includes a current control unit that executes control so that a q-axis... Agent: Mitsubishi Electric Corporation

20140312822 - Motor drive device having function of detecting abnormality of dc link unit: A motor drive device according to one embodiment of the present invention includes a converter (2) for converting an AC voltage input from a main power supply into a DC voltage, a DC link unit (4) for rectifying the DC voltage output from the converter, an inverter (10) for converting... Agent: Fanuc Corporation

20140312823 - Harmonics suppression in a power delivery device: Embodiments described herein provide a power delivery system, as well as a method of configuring the power delivery system. The power delivery system includes two or more rectifiers electrically coupled to an AC power source and configured to generate a direct current. The power delivery system also includes two or... Agent:

20140312824 - Servomotor control systems and methods: Systems and methods for controlling servomotors are described herein. Servomotor controllers and related control circuitry are configured to generate control signals for controlling the servomotor. The control signals include directional control signals to control the rotational direction and position of the servomotor, and power control signals control the rotational speed... Agent: Horizon Hobby, Inc.

20140312825 - Pulse motor driving circuit and method of driving a pulse motor: A pulse motor driving circuit for driving a pulse motor includes a first switch having a terminal that is connected with a positive terminal of a power source; a second switch having a terminal that is connected with a negative terminal of the power source; and a capacitor having a... Agent: Fujitsu Component Limited

20140312826 - Method and assembly for operating synchronous motors: A method is disclosed for operating a synchronous machine via a three-phase power controller including three semiconductor controllers and connected to a three-phase network. The method includes determining the phase difference between the magnet-wheel voltage of the synchronous machine and the network voltage of the three-phase network; determining the rotational... Agent:

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