Electricity: motive power systems inventions 05/08

20080122391 - Control apparatus for vehicular drive apparatus: A control apparatus for a vehicular drive apparatus including an engine and a motor is provided. The control apparatus includes a controller that determines the operating point of the engine and the operating point of the motor based on the characteristic of the vehicular drive apparatus. When at least one... Agent: Oliff & Berridge, PLC

20080122392 - Methods and apparatus for providing motor control signals: A method for providing a compatible interface between a motor control circuit and a system controller is described. The method includes determining which signals in the interface have incompatible voltage requirements, and inserting a series resistance in an interface extending between the motor control circuit and the system controller for... Agent: Patrick W. Rasche Armstrong Teasdale LLP

20080122393 - Controller for variable speed alternating current motor: A controller for operating a variable speed alternating current motor using inverters to which power is supplied from two or more power supplies including an energy accumulator has a first inverter for converting direct current supplied from the outside into alternating current, a power supply for accumulating direct current, a... Agent: Buchanan, Ingersoll & Rooney PC

20080122394 - Robotic system: A robotic system is provided that enables easy manipulation and various operations. A walking operation allocated to a manipulated switch operation section is performed. Meanwhile, the right ankle roll axis control motor, the left ankle roll axis control motor, right hip joint roll axis control motor, and the left hip... Agent: Quarles & Brady LLP

20080122395 - Driving apparatus, exposure apparatus, and device manufacturing method: A driving apparatus for moving an object. The apparatus includes a first actuator which drives the object in X and Y directions, a second actuator which drives a reaction force counter, which receives a reaction force generated when the first actuator drives the object, and a controller which calculates X-... Agent: Fitzpatrick Cella Harper & Scinto

20080122396 - Sample-loading system and anti-collision device and anti-collision method thereof: Some embodiments of the present invention provide an anti-collision device used for a sample-loading system. This device may include a code plate, an optical coupler, a location signal-detecting unit, a drive pulse counting unit and a drive pulse-sending unit. The optical coupler detects the code plate during the relative movement... Agent: Myers Bigel Sibley & Sajovec

20080122397 - Planar motor: A common electrode plate formed on a common electrode base attached to the lower surface of the movable stage faces a split electrode plate formed on a split electrode base attached to the upper surface of a main base, which are apart from each other at a predetermined interval. A... Agent: Venable LLP

20080116828 - Motor driving apparatus for driving and braking brake-equipped motor: A motor driving apparatus for driving and braking a motor equipped with a brake comprises a motor/brake driving DC power supply which is used both as a motor driving power supply and as a brake driving power supply, wherein when the motor/brake driving DC power supply is being used as... Agent: Lowe Hauptman Ham & Berner, LLP

20080116829 - Efficient ac circuit for motor with like number of poles and magnets: Simple AC circuitry driving a brush-less motor having a rotor consisting of alternate polarity permanent magnets poles, with the rotor journaled in a stator with a like number of wound poles having only two free ends for energizing. The motor is using only two AC electronic switches for starting and... Agent: Sten R. Gerfast

20080116830 - Drive control assembly for controlling a motor: A drive control assembly for a motor including a variable frequency drive module for providing variable speed control for the motor, a bypass module for providing bypass control for the motor, and a switch for switching control for the motor between the variable frequency drive module and the bypass module.... Agent: Honeywell International Inc.

20080116831 - Motor control apparatus: A motor control apparatus comprises a control processing unit (3) creating a motor drive command, power supply processing units (2A to 2D) supplying a driving voltage to a motor, and a signal relay processing unit (4) supplying the motor drive command received from unit (3) to power supply processing units... Agent: Lowe Hauptman Ham & Berner, LLP

20080116832 - Motor control device: A controller performs processing for calculating a main torque control value, processing for outputting a final control torque value based on the main torque control value and a vibration-suppression torque control value for mitigating torque fluctuation that occurs when a rotating electric machine is operated at the main torque control... Agent: Oliff & Berridge, Plc

20080116833 - Motor control apparatus: A motor control apparatus for computing or outputting motor load information, comprises: a storage unit which stores a function or table obtained in advance based on parameters used for the computation of the load information and on an actually measured value of a motor output or motor torque; and a... Agent: Lowe Hauptman Ham & Berner, LLP

20080116834 - Methods and apparatus for an active front steering actuator: An active front steering system includes a motor controller configured to compute a position error from a commanded position value and an actual position value, and then enter one of two modes—a commutation enable mode and a commutation freeze mode—depending upon the value of this position error. The commutation freeze... Agent: General Motors Corporation Legal Staff

20080116835 - Model-based active electronic damping for stepper motors: A method for damping vibrations in a stepper motor with micro-stepping control which comprises the steps of identifying the force amplitudes and phase shifts of multiple harmonic detent torques of the stepper motor, such as the first, second and fourth harmonic detent torques, and tuning the stepper motor with different... Agent: Ostrolenk Faber Gerb & Soffen

20080116836 - Method and system for multiple servo motor control using a single control loop: The solution involves the use of two or more motors to drive a common mechanism. The single control loop includes a position sensing device coupled to only a first of the plurality of servo motors and generating a position signal. A signal comparator receives the position signal and compares the... Agent: Pitney Bowes Inc. 35 Waterview Drive

20080116837 - Counter electro-motoric force base functional status detection of an electro-motor: The present invention relates to a circuit for detecting a functional status of an electro-motor. Typical electro-motors need additional components to identify the functional status of the motor. This means additional weight for such motors determining the functional status. According to the present invention a circuit is provided using a... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080116838 - Inverter-integrated electric compressor: An inverter-integrated electric compressor enhances vibration resistance of an inverter apparatus integrated with a housing without degrading cooling performance, reduction in weight, or the ease of assembly of the inverter apparatus. An inverter-integrated electric compressor 1 has an inverter apparatus 22 integrated with an inverter storage box 11 of a... Agent: Wenderoth, Lind & Ponack, L.l.p.

20080116839 - Variable speed induction motor with wye-delta switching with reduced drive volt-amp requirement: A washing machine comprising a laundry receptacle, a variable speed induction motor driving the laundry receptacle at a wash speed and as spin speed, a drive for powering the motor, and a wye-delta switch for connecting the drive and the motor in a wye configuration during the wash cycle or... Agent: Senniger Powers LLP

20080116840 - Pwm pattern sequence to reduce losses in voltage source inverters: A method for controlling an inverter uses sequences of predetermined states where each state uniquely corresponding to a set of control signals provided to the inverter that is coupled to a motor. The method includes repeatedly applying a first center null timing sequence of the states while monitoring a zero... Agent: General Motors Corporation Legal Staff

20080116841 - Semiconductor device, motor drive device and air conditioning machine: The semiconductor device according to the present invention generates pulse width modulation signals for controlling inverter circuits that drive a motor. The semiconductor device includes: a first register which holds values for determining a period in which each pulse width modulation signal becomes active; a correction buffer which holds a... Agent: Greenblum & Bernstein, P.L.C

20080116842 - Method and apparatus for motor control: A system and method for controlling a permanent magnet motor are disclosed. Briefly described, one embodiment receives a torque command and a flux command; receives information corresponding to a direct current (DC) bus voltage and a motor speed; computationally determines feedforward direct-axis current information and feedforward quadrature-axis current information from... Agent: Seed Intellectual Property Law Group Pllc

20080111506 - Vehicle, driving system, and control methods of the same: The drive control of the invention changes an engagement status of relevant clutch and brake corresponding to a target gear speed n* of a transmission to half engagement while controlling a motor to output a torque corresponding to a torque demand Td* and the target gear speed n* (steps S190... Agent: Kenyon & Kenyon LLP

20080111507 - Digital system for motor bus transfer: In industrial complexes and power stations a main source of power is connected to a motor bus to which motors and other loads are connected. In such systems an auxiliary source of power is provided to alternatively provide electric energy to the motor bus should the main source of power... Agent: Leo J. Aubel

20080111508 - Energy storage device for loads having variabl power rates: An electrical energy storage device for storing electrical energy and supplying the electrical energy to a driving motor at different power levels is disclosed. The electrical storage device has an energy battery connected to a power battery. The energy battery has a higher energy density than the power battery. However,... Agent: Riches, Mckenzie & Herbert, LLP

20080111509 - Anti-pinch window control system: Methods are provided for detecting and alleviating the pinching of an object in a window of a vehicle having a drive unit motor controlling a window based upon current signals received from a control switch, security system remote control, or security system controller. The detection method includes determining a current... Agent: Directed Electronics, Inc.

20080111510 - Windscreen wiper comprising a protection device for the electric motor thereof: The invention relates to a windscreen wiper, comprising a protection device for the electric motor for the drive thereof and corresponding method. The windscreen wiper comprises a DC motor (2) with first, second and third carbon contacts (10, 14, 40) rubbing on the rotor thereof. The first carbon contact (10)... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080111511 - Electric power-assist system for manually-operated vehicle: An electric power-assist system for a manually operated vehicle, such as a bicycle, has a pedal with Hall sensors for producing a signal representing a rotational speed of the pedal, and an electric motor for power assisting the driving force of the bicycle. A speed counter, speed decision block, up/down... Agent: Greenblum & Bernstein, P.L.C

20080111512 - Actuator position switch: Methods and systems are disclosed for controlling the operation of a component according to the position of an actuated part of an actuator. In one illustrative embodiment, a position sensor is used to sense the current position of the actuated part. The position sensor may provide a position signal to... Agent: Honeywell International Inc.

20080111513 - Robot for surgical applications: The present invention provides a micro-robot for use inside the body during minimally-invasive surgery. The micro-robot includes an imaging devices, a manipulator, and in some embodiments a sensor.... Agent: Faegre & Benson LLP Patent Docketing

20080111514 - Servo control apparatus: A servo control apparatus improved in trackability without being accompanied by overshoots or any continuous vibration and capable of tracking without any delay from an upper order command is provided. A command signal is directly transmitted to a controller as a target command increment value. A compensation signal arithmetic unit... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080111515 - Active human-machine interface system including interposed sector gears: A human-machine interface assembly includes a user interface, a first motor, a second motor, a first sector gear, and a second sector gear. The user interface is configured to rotate about a first rotational axis and a second rotational axis that is perpendicular to the first rotational axis. The user... Agent: Honeywell International Inc.

20080111516 - Control system for rotary electric machine with salient structure: In a system for controlling rotation of a rotor of a multiphase rotary electric machine in relation to a stator thereof, a superimposing unit superimposes a first frequency signal on the input signal to the multiphase rotary electric machine. The first frequency signal has a first phase and a first... Agent: Nixon & Vanderhye, Pc

20080106223 - Vibration device: The present invention pertains to vibration devices that do not require a rotating mass. In accordance with aspects of the invention, a coil causes a plunger to move linearly. A spring device is coupled to one end of the plunger. Activation of the coil causes the plunger to move in... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080106224 - Sensorless position detection for a brushless direct current motor during inverter standby: A method of controlling a brushless direct current motor without a position sensor. The motor includes a plurality phase windings adapted to be energized by an active inverter circuit that synchronously applies drive voltages through a plurality of phases to produce drive currents in the phase windings. Back electromotive force... Agent: Daimlerchrysler Intellectual Capital Corporation Cims 483-02-19

20080106225 - Method of controlling a motor of a battery-operated power tool: The method of controlling a motor which drives a tool of a power tool, includes initializing an electronic device and switching the motor on in a first step (31), continuously monitoring of the motor current (IM) and a battery voltage (UB) in a second step (32) which alternates with a... Agent: Abelman, Frayne & Schwab

20080106226 - Electrically commutated motor and method for controlling said motor: An electrically commutated motor comprises a plurality of stator phases and a rotor. Further, sensors for detecting the control deviation of the rotor in relation to the stator phases are provided. A phase control unit controls the stator phase rotary field depending on the detected control deviation. The phase control... Agent: Ohlandt, Greeley, Ruggiero & Perle, LLP

20080106227 - Drive system for a motor vehicle: A drive system for a motor vehicle comprising an internal-combustion engine, an electric machine coupled to the internal-combustion engine, and a transmission device through which a ratio change can be implemented without a tractive power interruption is described. Also described is a control device for controlling the electric machine and... Agent: Crowell & Moring LLP Intellectual Property Group

20080106228 - Fan controller: A fan controller includes an input module and an output module. The input module is used for receiving a power supply signal from a power supply which is used for providing power to a fan, and outputting a trigger signal when the power supply signal when the power supply turns... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20080106229 - Apparatus and method for detecting rotation angle of rotating body: The rotation angle detection apparatus for detecting a rotation angle of a rotating body on the basis of a resolver signal outputted from a resolver mounted on the rotating body includes a first function of detecting a specific phase timing of the resolver signal, a second function of measuring a... Agent: Oliff & Berridge, PLC

20080106230 - Method and drive system for operating a synchronous motor: e

20080106231 - Chattering preventing circuit, waveform shaping circuit including chattering preventing circuit, and three-phase motor drive control circuit including waveform shaping circuit: An object of the present invention is to provide a chattering preventing circuit, a waveform shaping circuit, and a motor drive control circuit including the chattering preventing circuit or the waveform shaping circuit, to provide an FG signal free from noise caused by chattering, without using a hysteresis comparator.... Agent: Fish & Richardson P.C.

20080100237 - Dual fan module system with three power options using two single throw relays and one double throw relay and a series resistor: A multi-powered electric motor system (21) is provided for a vehicle. The system includes first and second direct current motors (12, 14), each constructed and arranged to operate at a single speed. Current limiting structure (R1) is constructed and arranged to lower electrical input power to the motors so that... Agent: Siemens Corporation Intellectual Property Department

20080100239 - Ac fan motor driving circuit having capability of monitoring the rotation rate and status of the ac fan motor: A driving circuit has a driving circuit module, a rotation rate detecting module and a rotation status detecting module. The driving circuit module is used to drive an AC fan motor and has at least a driving IC having two controlling outputs and a rotation status detecting output. The rotation... Agent: Thomas E. Sisson Jackson Walker, LLP

20080100238 - Speed control for an electric motor: A system and method for controlling a rotational speed associated with a shaft or rotor of an electric motor comprises establishing a target rotational speed associated with a shaft or rotor of an electric motor. A sensor detects an actual rotational speed associated with the shaft or rotor of an... Agent: Deere & Company

20080100240 - Movable barrier operator with travel limit adjustment capabilities: A method and a device capable of making fine-tune adjustments in the traveling limits of a movable barrier operator are disclosed. More particularly, an apparatus in accordance with the present invention comprises of a movable barrier operator for controlling a travel limit of a movable barrier comprises of an electrical... Agent: Jafari Law Group, P.C.

20080100241 - Control device for opening/closing member: A control device for an opening/closing member includes a movement instruction outputting unit that outputs a movement instruction of the opening/closing member according to an operation of an operation switch, a driving unit that drives a motor and moves the opening/closing member based on the movement instruction, an entrapment judging... Agent: Osha Liang L.L.P.

20080100242 - Motor drive circuit and motor apparatus including the same: A motor drive circuit (3) includes a plurality of pairs of a power-supply-side drive transistor (15, 16) and a ground-side drive transistor (17, 18) that drive a coil (9) from a midpoint thereof, a drive current detecting unit (19) that detects a drive current of coil (9) on the power... Agent: Fish & Richardson P.C. Citigroup Center

20080100243 - Drive control device of motor and a method of start-up: A motor drive control device and motor startup method prevent startup noise and reduce startup time. At startup, a current to which a rotor does not react is passed through two phase coils of a polyphase DC motor in succession, and a voltage polarity induced in a non-conducting phase is... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080100244 - Motor control method and motor control system: In a PWM-controlled motor, a motor rotation frequency f, lock determination frequency d, and power supply voltage E are acquired (S1 to S3). The d is compared to the f (S4). When f is not less than that of d, Max.Duty is calculated by the following equation for setting: Max.Duty=D0*Kf... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080100245 - Dc motor phase estimation with phase-locked loop: A DC motor phase estimation algorithm that estimates a speed-related harmonic frequency of a DC motor current under dynamic load conditions having known geometry parameters. The algorithm estimates the phase and magnitude of a complex coefficient in a complex single frequency adaptive filter that receives a primary signal from the... Agent: Schneider Electric / Square D Company Legal Dept. - I.p. Group (np)

20080100246 - Intelligent wiper system and control method thereof: A wiper control system and method is disclosed. When an ignition-on switch is turned off while the wiper is being operated, a wiper motor is controlled to return to its home position. When a predetermined switch is operated for more than a predetermined period while the ignition-on switch is turned... Agent: Morgan, Lewis & Bockius LLP (sf)

20080100248 - Apparatus and method for controlling a transfer switch mechanism: A controller for an automatic transfer switch mechanism in an electrical distribution panel, which automatically determines motor phase by monitoring the back EMF voltage of the motor when no power is applied to the motor as defined by a pulse width modulation circuit. Phase comparisons of the voltage on the... Agent: Schneider Electric / Square D Company Legal Dept. - I.p. Group (np)

20080100247 - Systems and methods of tracking partition system performance: A method of monitoring the operation of a partition movement system having a partition. In an embodiment, the method includes monitoring a parameter having a relation to movement of the partition, generating a first value based on the monitored parameter, and generating a difference value between the first value and... Agent: Michael Best & Friedrich LLP

20080100249 - Method and apparatus for eliminating stall and cogging in multi-phase stepping motors: The lead or lag relationship between the stator and rotor of a stepper motor is monitored on a continuing basis by an incremental encoder, in feed-back relation, and adjusts the lead or lag to within optimum range values to thereby prevent motor stalls and motor cogging.... Agent: Richard Menelly

20080100250 - System, apparatus, and method for managing and controlling robot competitions: A system and method for operating robots in a robot competition. One embodiment of the system may include operator interfaces, where each operator interface is operable to control movement of a respective robot. A respective operator interface may be in communication with an associated operator radio, where each radio may... Agent: Fish & Richardson P.C.

20080100251 - Apparatus for machine tool feedrate override using limiting parameters corresponding to actual spindle speed: An apparatus, machine tool, and method for adaptively controlling a feedrate of a machine tool are provided in which a plurality of maximum spindle power and/or radial load values, each corresponding to a spindle rotational speed, are received, stored and applied. Additionally, the current spindle power and/or the current radial... Agent: Alston & Bird, LLP

20080100252 - Active human-machine interface system without a force sensor: An active human-machine interface system is implemented without a force sensor. The system includes a user interface that is configured to receive user input and, upon receipt thereof, to move to a position. A position sensor is coupled to the user interface and is operable to sense user interface position... Agent: Honeywell International Inc.

20080100253 - Stepping motor driving device, lens driving device, and camera: A stepping motor driving device which makes it possible to reduce electric power consumed by a stepping motor and at the same time suppress degradation of shake correcting performance. A CPU of the stepping motor driving device switches between a first driving method in which a first applied voltage is... Agent: Rossi, Kimms & Mcdowell LLP.

20080100254 - Method and system for controlling synchronous motor drive systems: Methods and systems are provided for controlling synchronous machines. The method comprises generating a d-axis current command and a q-axis current command, producing a modified current command from the q-axis current command, converting the d-axis current command to a first voltage command, converting the modified current command to a second... Agent: General Motors Corporation Legal Staff

20080100255 - Electronic start control device for a synchronous motor: An electronic start control device for unidirectionally rotating a permanent-magnet rotor (14) of a synchronous motor (10), comprises: a static switch (22) for series connection to a winding of a stator (12) of the synchronous motor (10); and a position sensor (24) for detecting a position of the rotor (14)... Agent: Birch Stewart Kolasch & Birch

20080100256 - Electric vehicle control device: An object of the present invention is to provide an electric vehicle control device which is capable of detecting even a state in which only one phase of one induction motor is disconnected in a system where a plurality of induction motors are connected in parallel with each other and... Agent: Buchanan, Ingersoll & Rooney PC

20080100257 - Electric motor system implementing vector and slip control: A system is provided for controlling an electric machine. The system has a power source configured to supply electric energy to the electric machine. In addition, the system has an inverter operationally connected to the power source and the electric machine and configured to increase or decrease a rotor flux... Agent: Caterpillar/finnegan, Henderson, L.L.P.