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Electricity: motive power systems April category listing, related patent applications 04/10

20100102762 - Power converter: An object of the invention is to provide a power converter that is capable of easily constituting a bidirectional power conversion system, and that can realize power regeneration. In a power converter in which cell power modules U1 to U4, V1 to V4, and W1 to W4 comprising single-phase inverters... Agent: Kanesaka Berner And Partners LLP

20100102763 - Hybrid working machine: In a hybrid excavator, a generator motor and a hydraulic pump are driven by using an engine as a power source. A battery is charged with power generated by the generator motor. A rotation motor is driven by the generator motor and the battery. The voltage of a DC bus... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100102764 - Methods, systems, and devices for a motor control system: Systems, devices, and methods for controlling a motor are disclosed. A method may include determining a rotational direction of a motor from a pair of quadrature signals sent to a microprocessor. The method further includes adjusting an internal count stored in the microprocessor at each edge of each of the... Agent: Traskbritt, P.C.

20100102765 - Fine resolution motor control: Methods and apparatus are provided for deriving precision position and rate information for motors using relatively low precision analog sensors, and for implementing compensation techniques that overcome inherent sensor errors and rotor magnet flux tolerances.... Agent: Honeywell/ifl Patent Services

20100102766 - Brushless, three phase motor drive: A control method for a sensor-less, brushless, three-phase DC motor. A pulse-width modulation (PWM) duty cycle may be calculated. A voltage induced by rotation of a rotor may be sampled at a first expected zero crossing value to produce a first sampled voltage value. An average of a plurality of... Agent: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.

20100102767 - Control apparatus for hybrid drive system: A control apparatus for a hybrid drive system including a main drive power source, an electric generator, a wheel-side output shaft, a power distributing mechanism for distributing the drive force of the main drive power source to the electric generator, the wheel-side output shaft and an automatic transmission, and an... Agent: Sughrue Mion, PLLC

20100102768 - Determining stuck conditions for electric motors using inductive sensing: A control system includes a position control module, a power control module, and a diagnostic module. The position control module applies a driving current for positioning a rotor of a motor at one of first and second positions. The power control module applies a first voltage to one of first... Agent: Harness, Dickey & Pierce P.L.C

20100102769 - Driving apparatus: A driving apparatus (100p, 100s) is provided with: a base portion (110); a stage portion (130) on which a driven object (12) is mounted and which can be displaced; an elastic portion (120) which has elasticity to displace the stage portion in one direction (Y axis); a first applying device... Agent: Nixon & Vanderhye, PC

20100102770 - Electric injection molding machine: An electric injection molding machine includes a motor driving circuit for driving a motor, and a delivery pipe. The motor driving circuit includes a rectifier circuit, a switch control circuit, a heater, a direct current (DC) link circuit, and an inverter circuit. The switch control circuit is configured for controlling... Agent: PCe Industry, Inc. Att. Steven Reiss

20100102771 - Energy saver delay circuit for ac induction motors: A power control system for an A.C. induction motor is disclosed, comprising a voltage/current phase difference generator for determining a difference in phase between a voltage applied to the motor and a current drawn by the motor, and for generating a phase difference signal as a function of the determined... Agent: Patent Docket Administrator Lowenstein Sandler PC

20100097014 - control of a linear motor: A linear electric motor has a fixed primary comprising a stator that is divided into a number of sections, a translating secondary that has an operative length that is longer than any two adjacent sections of the stator in the form of a reaction plate, and a connecting means for... Agent: The Nath Law Group

20100097015 - Distance measurement with capacitive sensor: Circuits and methods to read out capacitive sensors for distance measurement used by a position control system having a high accuracy and low noise have been disclosed. The ratio or difference of the capacitances of two sensor capacitors is used to determine the distance of an object from a target... Agent: Saile Ackerman LLC

20100097016 - Generator assembly: A generator assembly including generator means and a first converter member (11), the generator means being arranged to convert mechanical power to electric power and comprising an AC generator (2), a voltage regulator (4) and an AC coupling, the voltage regulator (4) being arranged to regulate magnetization of the AC... Agent: Birch Stewart Kolasch & Birch

20100097017 - System and method for controlling power balance in an electrical/mechanical system: An electrically commutated actuator and control system has a stator and a shaft that is movable with respect to the stator. A plurality of magnets movable with the shaft provide a first magnetic flux, and an electric current in at least one coil defined on the stator provides a second... Agent: Bose Corporation C/o Donna Griffiths

20100097019 - System and method for providing cooling fan characteristic feedback: A device comprising a fan controller, an encoder, a driver, a resistor/capacitor filter, and a baseboard management controller. The fan controller is configured to output a cooling fan status signal, and to output a cooling fan information data signal. The encoder is configured to encode the cooling fan status signal... Agent: Larson Newman & Abel, LLP

20100097020 - Drive apparatus: A drive apparatus includes a magnet rotor having a plurality of magnetic poles that are magnetized, a stator having a magnetic pole portion that opposes each pole of the magnet rotor, a coil configured to excite the magnetic pole portion, a position detector configured to detect a position of the... Agent: Cowan Liebowitz & Latman P.C. John J Torrente

20100097021 - Drive apparatus: A drive apparatus includes a magnet rotor, a stator having a coil, a position detector configured to detect a position of the magnet rotor, a lead angle circuit configured to output a signal having a lead angle relative to an output of the position detector, a first driver configured to... Agent: Cowan Liebowitz & Latman P.C. John J Torrente

20100097018 - Vehicle control system: In a vehicle control system that includes an engine, a first rotary electric machine, a second rotary electric machine and a transmission, a control unit includes a shift state acquisition module that acquires a shift state of a vehicle; a stepped-up voltage reduction permission module that determines whether reduction of... Agent: Kenyon & Kenyon LLP

20100097022 - Location system and method: A location system is configured for determining a magnetic pole position of a motor. The location system includes a motor driver, a current control module, a current feedback apparatus, a speed feedback apparatus, and a magnetic pole position location module. The current control module is configured for set current of... Agent: PCe Industry, Inc. Att. Steven Reiss

20100097023 - High frequency leakage current return wire-contained motor drive cable, low inductance return wire-contained unshielded cable, and motor drive control system the cables: Provided is a high frequency (HF) leakage current return wire-contained motor drive cable configured in a manner that one or multiple drive dielectric core wires (2) and one or multiple HF leakage current return wires (5) are arranged adjacent to and in close contact in neighborhoods thereof to thereby reduce... Agent: Dickstein Shapiro LLP

20100097024 - Drive system for multiple motors: A drive system for multiple motors includes a first motor, a second motor, a motor drive power supply for supplying power to the first and second motors, a first motor drive amplifier, a second motor drive amplifier, a first overcurrent detection apparatus, and a second overcurrent detection apparatus. The first... Agent: PCe Industry, Inc. Att. Steven Reiss

20100097025 - Heat-dissipating device and method for controlling fan speed: A method for controlling fan speed is disclosed. Firstly, a number of temperature ranges are defined. Each temperature range is associated with a corresponding fan speed. Each two adjacent temperature ranges overlap. The temperature of an electronic system is measured and is compared with the defined temperature ranges to determine... Agent: PCe Industry, Inc. Att. Steven Reiss

20100097026 - Method and device for tracking the position of a component driven by an electric motor: In order to track the position of a component driven by an electric motor, wherein rotational movements of the electric motor are detected and used for a position count, deviations from an anticipated position count are determined and added to the position given by the position count as an uncertainty... Agent: King & Spalding LLP

20100097027 - Methods and apparatus for controlling multiple a.c. induction machines from a single inverter: Methods and apparatus are provided that include or provide a first three-phase induction machine including stator windings, a second three-phase induction machine including stator windings, wherein the stator windings of the first machine are coupled in series with the stator windings of the second machine, and an inverter circuit that... Agent: Siemens Corporation Intellectual Property Department

20100097028 - Device for controlling induction motor: A device for controlling an induction motor includes a voltage/frequency controller, a pulse width modulation controller, and a converter. The voltage/frequency controller receives a controlling frequency, and outputs a controlling voltage corresponding to the controlling frequency. The pulse width modulation controller receives the controlling voltage and the controlling frequency, and... Agent: PCe Industry, Inc. Att. Steven Reiss

20100090622 - Electronic device and monitor opening mechanism for an electronic device: A monitor opening mechanism includes a first rotating shaft rotatably connected to a host and having a first toothed portion. A stepper motor is disposed in the host and includes a second rotating shaft having a second toothed portion engaging the first toothed portion. A fine-tuning control circuit board is... Agent: Quintero Law Office, PC

20100090623 - Electric motor drive system with bi-directional input and constant directional output: The present invention discloses a system having a particular electric motor being able to do bi-directional rotational input having its output ends for providing output to the input ends of the constant directional output transmission device, while the constant rotational directional output is used to drive the loading wheel train... Agent: Bacon & Thomas, PLLC

20100090624 - 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: Watchstone P+d, PLLC

20100090625 - Automotive system and power converter assembly with a braking circuit: An automotive system includes an electric motor, a direct current (DC) power supply coupled to the electric motor, a power converter including at least one conversion switch coupled between the electric motor and the DC power supply and a braking circuit coupled between the electric motor and the DC power... Agent: Ingrassia Fisher & Lorenz, P.C. (gm)

20100090626 - Energy management system to improve efficiency of electric and hybrid drive trains: A propulsion system is provided that includes an electric drive, a first energy storage system electrically coupled to the electric drive through a direct current (DC) link, and a second energy storage system electrically coupled to the electric drive. The propulsion system further includes a multi-channel bi-directional boost converter coupled... Agent: General Electric Company Global Research

20100090627 - Motor driving apparatus: A system for driving a motor includes first and second rectifier circuits, a direct current (DC) link circuit, an inverter circuit, a voltage booster circuit, and a switch control circuit. When the motor is at a deceleration state, a micro control unit (MCU) outputs a first charging signal to turn... Agent: PCe Industry, Inc. Att. Steven Reiss

20100090629 - Flux controlled motor management: A motor in an electric vehicle can be controlled by receiving at least one of a user input or vehicle information, selecting one of a plurality of available flux modes using at least one of the user input or the vehicle information, and calculating a control signal, using the selected... Agent: Schwegman, Lundberg & Woessner, P.A.

20100090630 - Brushless motor system: A brushless motor system which can suppress adverse influences of electromagnetic noise without increasing the size and enhancing the performance of a filter circuit. In a brushless motor system comprising a brushless motor, an inverter, and a direct current power source, a noise return line for returning a noise current... Agent: Crowell & Moring LLP Intellectual Property Group

20100090628 - Generator motor driving device and method for discharging charges from capacitor of generator motor driving device: The present invention provides a generator motor driving device that can promptly perform discharging of charges from the capacitor during a maintenance operation, and a capacitor discharge method to be implemented in the generator motor driving device. Power is supplied from the capacitor to the generator motor being driven by... Agent: Edwards Angell Palmer & Dodge LLP

20100090632 - Motor magnetic pole position detecting device: A motor magnetic pole position detecting device includes a detection current command generation unit generating a detection AC current command, a current detection section detecting a current flowing into the motor, a coordinate conversion unit vector-converting the current detected by the current detection section into an excitation component and a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100090631 - Sensorless method and related device for starting a three-phase brushless direct-current motor: A sensorless method for starting a three-phase brushless direct-current motor includes generating a start-up control signal, a start mode selection signal, and a control signal commutation period; switching to a start mode according to the start mode selection signal; implementing a position aligning procedure according to the start-up control signal... Agent: North America Intellectual Property Corporation

20100090633 - Integrated brushless dc motor and controller: An integrated brushless DC motor and controller including a brushless DC motor having a rotating shaft with a 2 pole permanent magnet affixed to the shaft for rotation thereby in a plane orthogonal to the axis of rotation of the shaft. An X-Y Hall Effect Sensor is carried by a... Agent: Connolly Bove Lodge & Hutz LLP

20100090634 - Method and apparatus for connecting a photovoltaic system to a power grid: An apparatus and a method for preparing connection of a photovoltaic system (Q1) as a first energy source to a power grid (13) by way of a motor generator set (5, 6, 7) is presented. The DC motor (5) is coupled to a three-phase generator (7) by way of a... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20100090636 - Motor control circuit: A motor control circuit 1 for controlling driving of a plurality of motors is provided with a plurality of motor driver circuits 7 and 8 for controlling driving of the plurality of motors 3 and 4, a plurality of excess current detection circuits 39 and 40 each for detecting an... Agent: Watchstone P+d, PLLC

20100090635 - Pump unit: A pump unit includes an electric motor, located in a stator housing (6), a terminal box being arranged on an axial face of the stator housing (6). The terminal box (12) includes a tubular housing element (44) having a first axial face to which the axial face of the stator... Agent: Panitch Schwarze Belisario & Nadel LLP

20100090637 - Motor speed controller: A motor speed controller and a method of controller a speed of a motor are provided. The system and method include a motor and a motor controller that monitors operation of the motor based on electromotive force (EMF) conditions of the motor. The motor controller cuts a voltage to the... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20100090638 - Actuator system: An actuator subsystem preferably for a robot or bionic linkage. A joint between two robotic or bionic members includes at least first and second actuators such as piston-cylinder assemblies connected between the members. A hydraulic circuit includes a sensor subsystem for sensing the magnitude of the load on the piston-cylinder... Agent: Iandiorio Teska & Coleman

20100090639 - Control system of an actuator for the actuation of submarine devices: Electronic control system for a submarine actuator, said actuator comprising a container body, from which a drive shaft projects that is suitable for inserting in a seat of said submarine device. The system comprises an electronic control board for at least one electric motor arranged inside said container body suitable... Agent: Fletcher Yoder (cameron International Corporation)

20100090640 - Motor controller, motor control system, and washing machine: A motor controller controlling a permanent magnet motor including a rotor provided with a plurality of low coercivity permanent magnets having a coercivity low enough to allow modification in amount of magnetization, the motor controller including a position detector including one or more position sensors to detect a rotational position... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100090641 - Operation control method and operation control apparatus for variable speed generator-motor: An excitation device supplies a three-phase AC excitation current to a variable speed generator-motor, and controls the variable speed generator-motor based on a three-phase AC excitation current command value obtained by vector-synthesizing, based on a slip phase from an exciting phase detector, a torque direction excitation current command value from... Agent: Antonelli, Terry, Stout & Kraus, LLP

20100084998 - Flat panel display device: The present disclosure provides a flat panel display device. A flat panel display device includes a display panel, a stand, and a multi-angle adjusting device. The multi-angle adjusting device includes a first shell fixed on the stand, a second shell cooperatively defining a receiving space with the first shell, a... Agent: PCe Industry, Inc. Att. Steven Reiss

20100084999 - Battery powered vehicular power generation system: A battery powered system using a battery operated hydraulic pump to spin a weighted flywheel which is connected to a generator that generates electricity used to power all of the energy requirements for a vehicle. This system will use dual strings of batteries where one string of batteries can be... Agent: Harry W. Atkinson, Jr.

20100085000 - Variable speed drive for permanent magnet motor: A drive system for a compressor of a chiller system includes a variable speed drive. The variable speed drive is arranged to receive an input AC voltage at a fixed AC input voltage and provide an output AC power at a variable voltage and variable frequency. The variable speed drive... Agent: Mcnees Wallace & Nurick LLC

20100085001 - Inverter device: There is provided an inverter device capable of simplifying the circuit structure, lowering the cast, and downsizing of the device. The inverter device detects a switching change of an inverter by a pulse and is equipped with a pulse signal detector capable of detecting a motor residual voltage or a... Agent: Ditthavong Mori & Steiner, P.C.

20100085002 - Electrical machine and an electrical drive with such an electrical machine: An electric machine (3) comprises a number of sensors (9) and a recorder unit (15) for the signals (SIG), recorded by the sensors (9). According to the invention, the recorder unit (15) comprises a web server unit (16) with at least one data interface. Corresponding sensor data (SD) may be... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20100085003 - Apparatus and method for controlling an actuator: A controller for an actuator estimates the torque required to accelerate and decelerate an actuator and calculates a trajectory to a desired position based on the estimated torque requirements. The controller then determines an appropriate step size to move the actuator in the current time interval. Each time cycle the... Agent: Caterpillar Inc. Intellectual Property Dept.

20100085004 - Electric power control system and efficiency optimization process for a polyphase synchronous machine: A system and process includes continuously determining an applied armature voltage supplied to a polyphase synchronous machine for which a maximum mechanical load is characterized by a pull-out torque. The armature voltage is supplied from a power source via one of many taps of a regulating transformer. The armature voltage... Agent: Steven Stewart PLLC

20100085005 - Electric motor: A multi-phase electric motor comprises a stator comprising a plurality of wire coils surrounding a non-magnetizable core; a rotor with permanent magnets embedded therein, the rotor being disposed adjacent to the stator, the rotor being mounted on a rotatable drive shaft; a power source; a position sensor operably connected to... Agent: Fish & Richardson PC

20100085006 - Control device for induction motor: A control device includes a slip calculator that calculates a first slip frequency of an induction motor, a current detector that detects motor current that passes through the induction motor, an adder that calculates a primary frequency by adding a speed command and a second slip frequency that are given,... Agent: Ditthavong Mori & Steiner, P.C.

20100079092 - Real time load adaptation of a motor: A method of varying speed and direction of motor operating intervals in a food processing device to achieve real time load adaptation comprising a motor (512), control circuit (501), motor drive circuit (511), and voltage and current sense circuits (510) to control said motor based on ingredient and desired function... Agent: Patrick M. Kinsella

20100079093 - Electric power converter: Specific anomalies and details of failures as well as measures thereagainst are described that might possibly occur in electric power converters that drive and control permanent-magnet synchronous motors. An electric power converter capable of stable operation has a protective function of taking proper measures against such failures that might possibly... Agent: Buchanan, Ingersoll & Rooney PC

20100079094 - Enclosure acoustic compensation: In some embodiments, an amplification spectrum for an electronic device enclosure is identified and/or determined to improve a user's audio environment, e.g., by reducing unwanted noise such as fan noise and/or by processing audio signals that have been or will be distorted by the enclosure acoustics.... Agent: Intel Corporation C/o Cpa Global

20100079095 - Motor circuit and electric power steering apparatus: In a steering control unit, a U-phase feed line branches into paired branch feed lines, phase-open MOSFETs are provided in middle portions of the branch feed lines, phase-open MOSFETs are provided in middle portions of a V-phase feed line and a W-phase feed line, and the phase-open MOSFETs are arranged... Agent: Oliff & Berridge, PLC

20100079097 - Generic motor control system: A method for controlling the operation of a motor utilizing a generic motor control module. The method includes sampling at least one motor operating criterion during operation of the motor and executing a generic control algorithm at a predetermined periodic interval. Execution of the algorithm provides a firing angle, duty... Agent: Harness Dickey & Pierce, P.L.C

20100079098 - Generic motor control system: A method and apparatus for controlling a plurality of different motors used in a corresponding plurality of power tool applications requiring different operational characteristics. In one implementation a method involves the use of a single universal control module to store a generic, non-application-specific control algorithm. The generic, non-application-specific control algorithm... Agent: Harness Dickey & Pierce, P.L.C

20100079096 - Human interface module for motor drive: A power electronics device with an improved human interface module (HIM) is provided. More specifically, a motor drive is provided that includes a HIM with a portable memory device that stores the programming configuration of the motor drive. The improved HIM with portable memory enables improved techniques for quickly and... Agent: Susan M. Donahue Rockwell Automation, Inc./fy

20100079099 - Medical manipulator: A medical manipulator includes an actuator block having a motor, a coupler detachably mounted on the actuator block and having a rotor connected to a rotatable shaft of the motor, a distal-end working unit mounted on a distal end of a joint shaft, which extends from the coupler and is... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100079100 - Method and apparatus for controlling inertial system: Suppression of vibration of a load machine without reducing the responsiveness of the load machine to an operation command is achieved by a method and an apparatus for controlling an inertial system intended to control an inertial system that has a motive power generator and a load machine that are... Agent: Trop, Pruner & Hu, P.C.

20100079101 - Handheld or vehicle-mounted platform stabilization system: A hand-held or vehicle-mounted stabilization system including a platform supported by two or more rotatably-coupled gimbal frames each having a pivot assembly disposed at its rotation axis to couple an actuator to a rotation sensor having a rotation-sensitive sensor axis that is preferably fixedly disposed with respect to the rotation... Agent: James Albert Ward

20100079102 - Apparatus and method for minimizing undesirable stepper motor rotor motions: An apparatus for reducing undesired motions during initialization of a stepper motor having a rotor and windings, the apparatus comprising a rotary encoder for sensing direction of rotor rotation; a microcontroller responsive to signals from the rotary encoder for generating bidirectional motor control waveforms having variable digital amplitude values; at... Agent: Arthur G. Schaier Carmody & Torrance LLP

20100079103 - Alternating-current motor control apparatus: An alternating-current motor control apparatus includes a stator frequency computing unit configured to compute a stator frequency of a motor magnetic flux; a torque error computing unit configured to compute a torque error by using the motor magnetic flux, an estimated current, and a motor current; and a speed estimator... Agent: Ditthavong Mori & Steiner, P.C.

20100079104 - Open-loop and/or closed-loop control system of a 3-phase power converter for the operation of an asynchronous machine: An open-loop and/or closed-loop control device for operating an asynchronous machine which is fed by a 3-phase power converter. The open-loop and/or closed-loop control structure has a stator flux controller and a pulse pattern generator for generating pulse signals based on mean values. An output of the stator flux controller... Agent: The Webb Law Firm, P.C.