Electricity: motive power systems inventions 08/07

20070200514 - Linear traversing carriage incorporating an air gap inductive motivator: The present invention relates to a linear traversing carriage for use in the papermaking industry and the like, which incorporates an air gap inductive motivator and eliminates all mechanical devices between the electrical power supply and the traversing mechanism. Specifically, the present invention relates to a linear traversing device comprising... Agent: Frommer Lawrence & Haug

20070200516 - Control drive circuit for electric power tool: In a control drive circuit for an electric power tool, a bridge-structured motor, which has a bridge structure and includes switching elements and a motor body, is connected to a power supply unit without any mechanical contacts, and an electric power is supplied to a control circuit for controlling the... Agent: Bacon & Thomas, PLLC

20070200515 - Motor controlling device: To provide a motor controlling device that reduces heat generated by an armature and switching elements when an alternating motor is activated. A motor controlling device includes: an H bridge circuit 20 that has FET1 to FET4 that connect and disconnect a high potential end HV and a low potential... Agent: Squire, Sanders & Dempsey L.L.P.

20070200518 - Fan control utilizing bi-directional communications: A system and method for bi-directional communication between a system controller and a fan controller: The system operates in two modes and there are two communication paths between the system controller and the fan controller. The first communication path provides a PWM signal the frequency of which indicates the mode... Agent: Marger Johnson & Mccollom, P.C.

20070200517 - Air fan rotation speed control method and structure thereof: An air fan rotation speed control method and a structure thereof aim to provide an automatic control mode and a manual control mode at the same time to control rotation speed regulation of an air fan to achieve instant heat dissipation for an environment and reduce temperature rising of the... Agent: Birch Stewart Kolasch & Birch

20070200519 - Barrier operator with flexible drive member: A motorized operator for moving a barrier, such as an upward acting garage door, between open and closed positions includes a support mounted adjacent one of a pair of barrier guide tracks or along a barrier counterbalance shaft and a drive mechanism mounted on the support and engaged with an... Agent: Ip Section, Kenneth R. Glaser Gardere Wynne Sewell LLP

20070200520 - Vehicle electronic controller and vehicle brake electronic controller: A vehicle electronic controller comprises a load such as electric motor or one or more solenoids each connected in series to a power supply; a load state detection sensor for detecting the state of the load; a required minimum drive voltage calculation microprocessor for calculating a required minimum drive voltage... Agent: Sughrue Mion, PLLC

20070200521 - Voltage conversion apparatus, power output apparatus, and control method of voltage converter: An upper limit value setting unit of a control device conducts integration on the change in battery power, and determines whether the integrated value is lower than a preset first threshold value (negative value). When determination is made that the integrated value is lower than the first threshold value, and... Agent: Oliff & Berridge, PLC

20070200522 - Drive belt slip detection: A method and apparatus is disclosed for detecting whether belt slip is occurring between an electric machine and a machine drivingly connected together by a drive belt using only measurements of rotor speed, voltage and current derived from the electric machine, thereby improving the sensitivity of slip detection and eliminating... Agent: Ford Global Technologies, LLC

20070200523 - Motor drive apparatus and method and electrically driven brake apparatus: In such a product that torque of a motor is continuously generated when a rotation number of the motor is nearly equal to zero, since an output voltage is kept at a constant value in accordance with a rotation position of the motor, such a condition that currents are concentrated... Agent: Crowell & Moring LLP Intellectual Property Group

20070200524 - Vehicle seat comprising controlled actuator: The vehicle seat (10) comprises a seat structure (12), at least one element (14, 16) which is mobile relative to the structure (12) of the seat, at least one actuator (20, 22) for operating the or each mobile element (14, 16), means (24) for controlling the or each actuator (20,... Agent: Womble Carlyle Sandridge & Rice, PLLC Attn: Patent Docketing 32nd Floor

20070200525 - Control system of floating mobile body: A floating mobile object control system of the present invention capable of achieving the above object is a control system 1 for a floating mobile object 10, in which the floating mobile object includes: a main body part B that can be considered as a single rigid body constituting a... Agent: Jordan And Hamburg LLP

20070200526 - Glass machinery motor control: A machine for operating on a glass bottle. A carriage is displaceable by a servo motor having three lead lines. The rotation of the servo motor is stopped when power has been removed by shorting regenerative resistors to the three motor leads. The stopped servo motor is held at its... Agent: Spencer T. Smith Emhart Glass Manufacturing Inc.

20070200527 - Stepping motor driving device: With a stepping motor driving device, a driving signal generating unit generates a first driving signal and a second driving signal which are to be supplied to an A-phase coil and a B-phase coil of a stepping motor, respectively. A first switching circuit includes multiple switches connected to the A-phase... Agent: Cantor Colburn, LLP

20070200528 - Control device for permanent magnet synchronous motor: A control device for a permanent magnet synchronous motor includes: an inverter 9 for converting inputted DC voltage into AC voltage of variable-voltage and variable-frequency, and driving a motor 14 with the AC voltage; a speed controller 22 for generating, in accordance with a speed instruction signal, a q-axis current... Agent: Sughrue Mion, PLLC

20070200529 - Controller for an electric four-wheel-drive vehicle: An object of the present invention is to provide a controller for an electric four-wheel-drive vehicle, which is capable of minimizing torque changes and consuming excessive power even when the excessive power is generated by a generator. A motor control unit causes an AC motor to generate desired torque by... Agent: Crowell & Moring LLP Intellectual Property Group

20070200530 - Frequency converter, motor, motor drive system and maintenance method for motor drive system: A frequency converter for outputting a power to drive a motor, having: an inverter unit for inverting a d.c. power to an a.c. power; a control unit for controlling the inverter unit; and a housing for supporting at least the inverter unit and control unit, wherein a rise time change... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070200531 - Pulse width modulation control circuit for a multimode electrical machine, and a multimode electrical machine equipped with such a control circuit: A configuration circuit (11, 13) detects the operation mode of the electrical machine (1) and produces a pulse width modulation to control a reversible current inverter circuit (4) in such a way that the electrical machine operates optimally in torque in engine modes and in current in generator modes. Application... Agent: Osha Liang L.L.P.

20070194727 - Brian-based device having a cerebellar model for predictive motor control: A mobile brain-based device (BBD) includes a mobile platform with sensors and effects, which is guided by a simulated nervous system that is an analogue of the cerebellar areas of the brain used for predictive motor control to determine interaction with a real-world environment. The simulated nervous system has neural... Agent: Fliesler Meyer LLP

20070194728 - Methods and systems for controlling operation of electronically commutated motors: A method for resolving addressing conflicts between multiple electronically commutated motors communicatively coupled to a system controller is described. The method includes sending a command, from the system controller, to an address and determining, based on responses or lack of a response received at the system controller, a status of... Agent: Patrick W. Rasche Armstrong Teasdale LLP

20070194730 - Motor drive device: Problems with accuracy reading position detection signal peaks and minute phase differences in the detection current make motor drive control easily susceptible to differences in motor characteristics. The rotor position is determined based on whether or not a neutral point difference voltage, which is the difference voltage between the neutral... Agent: Ratnerprestia

20070194731 - Motor drive method: Problems with accuracy reading position detection signal peaks and minute phase differences in the detection current make motor drive control easily susceptible to differences in motor characteristics. The rotor position is determined based on whether or not a neutral point difference voltage, which is the difference voltage between the neutral... Agent: Ratnerprestia

20070194729 - Systems and methods for driving a motor: A control system includes a controller configured to provide a drive signal, and a switching device configured to generate an output control signal as a function of the drive signal in an on-state mode of operation. The control system also includes a timing network configured to receive the drive signal... Agent: Eschweiler & Associates, LLC National City Bank Building

20070194732 - Closing and opening system of a vehicle and method of addressing a drive of such a closing and opening system: A closing and opening system of a vehicle comprises a control device of an anti-pinch protection arrangement, where the control device is coupled with a drive of the closing and opening system. The control device has an input for at least one signal based on a variable, vehicle-sensitive data value.... Agent: Carlson, Gaskey & Olds, P.C.

20070194733 - Stabilizer control device for controlling roll rigidity of a stabilizer: A stabilizer control device includes: an electric motor having a regenerative function; a stabilizer, connecting a left wheel and a right wheel, that is capable of altering a roll rigidity via the electric motor; vehicle behavior detection device that detects a vehicle behavior; regenerative current setting device that sets a... Agent: Oliff & Berridge, PLC

20070194734 - Method and device for controlling a multiphase electronically commutated motor: A method is specified for controlling a multiphase motor that is commutated by an inverter-side bridge circuit, in the course of which a particularly precise and technically simple detection of a control-relevant variable of a considered motor phase, in particular of a motor phase current and/or a back EMF voltage... Agent: Lerner Greenberg Stemer LLP

20070194735 - Windshield wiper de-ice function using hvac switch position: A vehicular windshield wiping apparatus has a temperature sensor for sensing temperatures outside of the vehicle, a humidity sensor for sensing humidity outside of the vehicle, windshield wipers moved by a motor, an HVAC control module, and a wiper control module. The wiper control module activates the windshield wipers when... Agent: Harness, Dickey & Pierce, P.L.C

20070194736 - Differential ripple detection method and system: The method and system being applicable to any number of motors of the type used to drive moveable members, including but not limited to motors used to drive automatic vehicle windows and motors used to drive automatic vehicle seats.... Agent: Brooks Kushman P.C. / Lear Corporation

20070194737 - Method of controlling movable member driven by electric motor: Method of controlling a movable member driven by an electric motor by monitoring current circulating through the electric current and ripples therein. The method including detecting current peaks and count the number of current peaks falling within sampling windows such that the number of current peaks falling within the sampling... Agent: Brooks Kushman P.C. / Lear Corporation

20070194738 - Actuator: An actuator includes a cylinder, a piston that is disposed in the cylinder and moves by supply and exhaust of working oil to and from the cylinder, a movable rod that is connected to the piston, a screw shaft, at least a part of which is inserted into the movable... Agent: Akin Gump Strauss Hauer & Feld L.L.P.

20070194739 - Restricted motion motor control with visual indication: A visual indication for a motor controlled shaft, especially useful for retrofitting hand controlled printing presses.... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20070194740 - Position control apparatus: A deflection amount Ps representing a difference between a position detection value Pl of a driven body and a position detection value Pm of a motor is detected. A position calculator proportional constant Kp, a time constant Tp of a first-order lag circuit that inputs a the deflection amount Ps,... Agent: Mccarter & English LLP Cityplace I

20070194741 - 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

20070194742 - Angular position and velocity estimation for synchronous machines based on extended rotor flux: A method of correcting the determination of extended rotor flux using a lag function and a correction algorithm that closely approximates a pure integrator function to correct for lag function errors that can extend the EFS control down to dynamoelectric machine speeds corresponding to as low as 10 Hz electrical... Agent: Hamilton Sundstrand Corporation

20070194743 - Method and apparatus for improving speed measurement quality in multi-pole machines: A method and apparatus for improving the speed measurement quality in systems having multi-pole machines is taught. The method compensates for pole misalignment by moving average techniques.... Agent: Seed Intellectual Property Law Group PLLC

20070194744 - Isolation circuit for dc power sources: The electrical isolation circuit of the present disclosure includes a switch coupled between the DC power source and the electrical application and a comparator for controlling the switch by receiving inputs from the DC power source and the electrical application. The comparator causes the switch to switch ON when the... Agent: Stmicroelectronics, Inc.

20070194746 - Electric power conversion apparatus: An electric power conversion apparatus includes a power converter connected to at least a first DC voltage source, a second DC voltage source and an AC electric motor. A control unit controls the power converter to generate a first PWM pulse train for supplying a first output voltage pulse train... Agent: Foley And Lardner LLP Suite 500

20070194745 - Split phase polyphase inverter: A split phase DC to AC polyphase inverter having M phases for driving an M-phase load includes, for each phase, N subphases for producing N PWM signals at a carrier frequency. Associated with each of the M phases is one of M averaging transformers. The N PWM signals associated with... Agent: Mcdermott Will & Emery LLP

20070188116 - Control system: A master unit and a plurality of slave units are connected by way of a communication path. The master unit sends to the slave units timing signals generated by its own cycle signal generator by way of a communication path. The slave units determine the cycle difference and the phase... Agent: Staas & Halsey LLP

20070188118 - Linear drive apparatus: A linear drive apparatus comprising: a guide having an internal body; a slider moved along the guide, a driving mechanism for generating a driving force by magnetic interaction of the slider with the guide so as to linearly drive the slider; and a magnetic measurement unit having a magnetic scale... Agent: Lowe Hauptman Berner, LLP

20070188117 - Anomaly detection method and motor control device: A control unit of a motor driver performs feedback control to supply current to a linear motor based on a detection value of a linear encoder. An anomaly detection unit monitors the supply current to the linear motor, and the anomaly detection unit detects anomaly of a linear motion apparatus... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070188119 - Control device integrated dynamo-electric machine: In order to improve reliability, cost performance, and cooling property, a control device integrated dynamo-electric machine mounted to a dynamo-electric machine includes an inverter bridge configured with a plurality of semiconductor switching elements, and a plurality of heat sinks provided for respective arms of the inverter bridge and having the... Agent: Sughrue Mion, PLLC

20070188121 - Motor and drive control system thereof: Provided is a motor having a magnetic polar unit in which a permanent magnetic polar array having arranged therein alternately a plurality of permanent magnetic polar elements in alternate opposite poles is made to face a plurality of electromagnetic coil arrays alternately excited at opposite poles, and the permanent magnetic... Agent: Harness, Dickey & Pierce, P.L.C

20070188120 - Operating system utilizing a selectively concealed multi-function wall station transmitter with an auto-close function for a motorized barrier operator: An operating system which utilizes a multi-functional wall station for a motorized barrier includes an operator for controlling movement of a barrier between various positions. The operator may receive signals from a wireless or wired wall station transmitter, a wireless keyless entry device and/or a portable remote transmitter device. The... Agent: Andrew B Morton Renner Kenner Greive Bobak Taylor & Weber

20070188122 - Rain sensing automatic power windows: A control system and method for closing a window on an unattended vehicle includes a window actuator coupled to the window and adapted to move the window. An occupant detection system generates an occupant signal. A rain sensor generates a rain signal. A window obstruction sensor generates an obstruction signal... Agent: Harness, Dickey & Pierce, P.L.C

20070188123 - Controller for servomotor: A controller for a servomotor capable of improving accuracy of positioning and quality of a machined surface by switching modes of correction of a position command or the like, and reducing a shock at the time of switching. A correction amount generating section obtains a correction amount based on a... Agent: Staas & Halsey LLP

20070188124 - Step motor drive circuit and analog electronic timepiece: To be able to supply a large drive current to a motor and to be able to downside the motor. In driving to rotate a motor, a first drive cycle of driving transistors to an ON state and driving transistors to an OFF state, and a second drive cycle of... Agent: Bruce L. Adams, Esq.

20070188125 - Inverted electric motor and method for using such to propel a vehicle: An alternating current, multiphase, squirrel cage induction electric motor in a unique inverted design, including a method of applying the motor with controls, operator interface, batteries, and peripheral devices to propel a non-polluting electric vehicle.... Agent: B J Shepard

20070182348 - Voltage-measuring device: A voltage measuring circuit 11 measures a voltage of a block B1. Then, a voltage measuring circuit 12 measures a voltage of a block B2. Then, the voltage measuring circuit 11 measures again the voltage of a block B1. A low voltage CPU judges that an in-vehicle battery is abnormal... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

20070182349 - Vehicular generator-motor control apparatus: A vehicular generator-motor control apparatus wherein a winding field type salient-pole generator-motor 1 (in FIG. 1) for a vehicle is subjected to a conduction control by a DC-AC converter 2, characterized in that a stator 1A of the vehicular winding field type salient-pole generator-motor 1 is energized by rectangular wave... Agent: Sughrue Mion, PLLC

20070182350 - Method and apparatus for controlling an electric motor: The present invention provides a method for controlling the output power of a permanent magnet electric motor (102) using a control means (106). The control means (106) includes a means (134) for measuring motor speed (134) and motor phase current (134), and a means for controlling motor phase current (110)... Agent: Brooks Kushman P.C.

20070182351 - Power lift gate for automotive vehicle: A powered lift gate for an automotive vehicle includes a lift gate door hinged to a vehicle body. A motor system which opens and closes the door is operated by a controller coupled to a primary obstacle detection system which senses operation of the motor itself, and by a secondary... Agent: Artz & Artz, P.C.

20070182352 - Method and circuit arrangement for the electrical control and/or regulation of the movement of an electrically driven unit: A method for electrical control and/or regulation of the movement of an electrically-driven unit, in particular, a window winder for a sunroof of a motor vehicle, is disclosed. A correlation parameter for the operating force of the unit is measured for trapping protection and a switching off or reversing of... Agent: Continental Teves, Inc.

20070182353 - Motor control apparatus: In an automatic transmission position control by a motor, it is determined whether the present instant belongs to a starting period, that is, the present instant is immediately after resetting of a control unit or application of power to it. If it is the starting period, an actual shift position... Agent: Nixon & Vanderhye, PC

20070182354 - Power lift gate for automotive vehicle: A powered lift gate for an automotive vehicle includes a lift gate door hinged to a vehicle body. A motor system which opens and closes the door is operated by a controller coupled to a primary obstacle detection system which senses operation of the motor itself, and by a secondary... Agent: Artz & Artz, P.C.

20070182355 - Motor controller: A motor controller judges whether or not a duty cycle of a PWM control signal, which is used to open and close a switching element on a power supply line to a motor, is in a current detection permission region. When the duty cycle is in the current detection permission... Agent: Jordan And Hamburg LLP

20070182356 - Storage apparatus, seek control method and program: A movement controlling unit performs movement control of a head toward a target track on a magnetic disk medium driving a head actuator, and a position controlling unit performs position control of the head actuator in accordance with proportional integral calculations such that a deviation of a head position relative... Agent: Greer, Burns & Crain

20070182357 - Compensation apparatus for prevention of damaging bearing currents in an electrical machine, and a corresponding compensation method: In an apparatus to increase the service life of bearings in an electric machine, the bearing currents that act on the bearings of the rotor are reduced by the application of a corresponding negative field voltage to the rotor, obtained with the aid of a compensation unit. The reduction of... Agent: Henry M Feiereisen, LLC

20070182358 - Method of braking induction motor and control apparatus: In a DC braking method for stopping an induction motor, torque shock generated by an abrupt change of an output current phase is reduced to a predetermined value or less when a switch-over from a normal control state to a DC braking state. When a switch-over from a normal control... Agent: Sughrue Mion, PLLC

20070182359 - Intelligent drive: The invention relates to an electric drive (19) provided with a drive regulator (5), an electromotor (9) and a control device (3, 4, 7, 8) which is used to detect and monitor the threshold value of axis-relevant, electrical/mechanical operational state variables, and preventative error diagnosis. The control device (3, 4,... Agent: Michael J. Striker

20070182360 - Motor driving apparatus: A motor driving apparatus drives a motor by means of an AC/AC direct converter such as a matrix converter. The motor driving apparatus is provided with a current detecting section for detecting motor currents, a comparing section for detecting whether motor current detection values have exceeded a restriction level, an... Agent: Kanesaka Berner And Partners LLP

20070182361 - Power converter with active discharging for improved auto-restart capability: A method of operating a power converter in response to an interruption in an input power being provided to the power converter, as well as a power converter capable of performing such method and including a rectifier and an inverter coupled at least indirectly with one another, are disclosed. In... Agent: Rockwell Automation, Inc. / Whd Attention: Susan M. Donahue

20070176567 - Brushless motor drive control circuit and brushless motor device using the same: There is provided a brushless motor drive control circuit capable of assuring an S/N ratio of a predetermined counter electromotive voltage and suppressing lowering of efficiency of a brushless motor at a high-speed rotation. More specifically, the brushless motor drive control circuit (6) includes: counter electromotive voltage filter circuits (16U,... Agent: Fish & Richardson P.C.

20070176568 - System and method for determining angular position and controlling rotor orientation: Methods and devices for determining the position and/or angular orientation of a rotating shaft. Exemplary features include a sensor module and a position determination module. Sensor module may include a plurality of Hall Effect devices (HEDs) arranged at a specified angular separation to produce a signal in response to rotation... Agent: Noblitt & Gilmore, LLC.

20070176569 - System and method for establishing spindle motor current during cold temperature operation of hdd: When a HDD is operating at a temperature below a threshold, a partial sine wave is input to the spindle motor to activate the motor to reduce undesirable speed oscillations of the motor. At normal operating temperatures a full since wave is input for noise reduction.... Agent: Rogitz & Associates

20070176570 - Inverter loop latch with integrated ac detection reset: A first illustrative embodiment includes an actuator having both a Run state and a Hold state, the actuator including circuitry for detecting power supply abnormalities and causing the Run state to occur following a power supply abnormality. In another illustrative embodiment, the present invention includes an actuator having both a... Agent: Honeywell International Inc.

20070176571 - Servo drive with high speed wrapping function: A servo drive with high speed wrapping function is applied for servo control of wrapping wire and method for the same. The servo drive includes a wrapping mechanism, a rotation control unit for controlling rotation of the wrapping mechanism, a lateral motion control unit for controlling lateral movement of the... Agent: Hdsl

20070176572 - Method of optimizing servo controller power in two-dimensional flexure mems storage devices: A method of optimizing a servo controller power required in the operation of two-dimensional flexure (Microelectronic Memory Storage) MEMS devices. Furthermore, provided is an arrangement for optimizing servo controller power in a two-dimensional flexure MEMS storage device through a utilization of the inventive method.... Agent: Scully Scott Murphy & Presser, PC

20070176573 - Motor control method and motor control apparatus: A motor control apparatus 1 that controls a rotation speed of a motor driven according to a speed command includes an abnormal-rotation detector 21 which determines that the motor is in an abnormal-rotation state, such as a runaway, when a speed deviation Ver obtained by subtracting a detection speed TSA... Agent: Drinker Biddle & Reath (dc)

20070176575 - Electric power converter and motor driving system: An electric power converter which has improved accuracy in compensation of a dead time. A motor driving system employing the electric power converter is also provided. A power module includes a plurality of switching devices connected in series and converts DC power to AC power. A control circuit produces a... Agent: Crowell & Moring LLP Intellectual Property Group

20070176574 - Power converter topologies for better traction drive packaging: At least three alternative stiff current supply power converter topologies provide fixed current to a respective electric load such as a motor, or a non-inductive electric load using either a current source or a pseudo current source. The stiff current power converter topologies reduce the size of passive components within... Agent: Tung & Associates

20070176576 - Smart power converter: A smart power conversion and control system and method converts source AC power at a first voltage level to DC power at a second voltage level that is less than the first voltage level. Upon receipt of a command signal, a portion of the system is enabled to further convert... Agent: Honeywell International Inc.

20070176577 - Motor controller: A control apparatus for an electric motor, in which a current controller giving multiphase voltage commands to a drive circuit for an inverter includes a normal-mode current controller for use in a normal mode, an abnormal-mode current controller for use in an abnormal mode, and an abnormality decision device. In... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.