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.
  
04/10/2014 > 16 patent applications in 16 patent subcategories.

20140097770 - Motor driving apparatus with rotational speed limitation function and fan apparatus with rotational speed limitation function: A motor driving apparatus is applied to a fan and motor mechanism and a voltage supply unit. The motor driving apparatus includes a motor driving unit, a voltage division resistor, a first resistor, a first switch unit, a second resistor, a second switch unit, a third resistor, a third switch... Agent: Enermax Technology Corporation

20140097771 - Electric actuator drive device: The present invention aims to respond a transient high instantaneous current that flows during acceleration of an electric actuator as well as to reduce the size and weight. The present invention is an electric actuator driver, including: an electric actuator (10); a motor generator (50) to drive the electric actuator... Agent: Ihi Aerospace Co., Ltd.

20140097772 - Electric motor braking using thermoelectric cooling: An electric motor controller includes controller electronics configured to control an electric motor. The electric motor controller also includes a thermoelectric cooler in thermal communication with the controller electronics. The thermoelectric cooler is configured to receive a braking current associated with braking of the electric motor and provide cooling to... Agent:

20140097774 - Back electromagnetic force (bemf) sense system: One embodiment includes a back-electromagnetic force (BEMF) sense system. The system includes a sense amplifier configured to measure an amplitude of a selected one of a plurality of phase voltages relative to a center tap voltage associated with a servo motor for the calculation of an associated BEMF voltage. The... Agent: Texas Instruments Incorporated

20140097775 - Variable speed fan motor: A variable speed fan motor, including: a variable speed motor and a motor controller. The motor controller includes a microprocessor, an inverter circuit, a gear detection circuit, and a power supply unit. The gear detection circuit includes a plurality of Hall current sensing units. Each second power input line is... Agent: Zhongshan Broad-ocean Motor Co., Ltd.

20140097773 - Method and device for operating an electronically commutated electric machine: The invention relates to a method for operating a multi-phase electric machine (2), wherein control voltages (UA, UB, UC) to be applied to phase windings of the electric machine (2) are provided according to a predefined commutation method, wherein, if a sudden change in state as defined by the predefined... Agent: Robert Bosch Gmbh

20140097776 - Rotary electric machine control apparatus and electric power steering apparatus using the same: A control unit controls driving of a motor by controlling a first inverter unit and a second inverter unit, specifically by controlling on/off operations of FETs. The control unit functions as an abnormality detection device. The control unit detects a short-circuit abnormality between a first winding set and a second... Agent: Denso Corporation

20140097777 - Driving a rotating device based on a combination of speed detection by a sensor and sensor-less speed detection: Some of the embodiments of the present disclosure provide a method comprising detecting, based on a sensor and a back electromagnetic force generated in a rotating device, a speed of the rotating device; and based on (i) the speed detected using the sensor or (ii) the speed detected using the... Agent: Marvell World Trade Ltd.

20140097778 - Wireless motor control system: A wireless motor control system includes a connection device and a remote control device. The connection device has a pair of motor connection terminals and a pair of power connection terminals for connecting a motor and an electric power source. The connection device contains a second control circuit board having... Agent:

20140097779 - Fan array vibration control system and method: A fan array vibration control system may include a fan array having a plurality of fans, and a control unit operatively connected to the fans. The control unit is configured to operate the plurality of fans and detect a phase relationship among the plurality of fans. The control unit is... Agent: Huntair, Inc.

20140097780 - Electromagnetic actuator: An electromechanical actuator includes a drive motor having rotatable drive shaft. A magnetic element is disposed on the drive shaft. A rotary-to-linear motion converter is driven by the rotatable drive shaft and includes a non-rotating actuator body that is linearly movable in a traveling direction. A Hall-effect sensor is disposed... Agent: Aktiebolaget Skf

20140097781 - Control circuit for fan: A control circuit includes a temperature measuring module and a control module. The temperature measuring module includes a thermistor. The thermistor is arranged adjacent to an electronic element. The control module includes a monitoring chip and a register. The register stores a number of temperature values and duty cycle of... Agent: Hong Fu Jin Precision Industry (shenzhen) Co., Ltd.

20140097782 - Magnetic radial bearing with three-phase control: A magnetic radial bearing with low eddy current losses is made compact and easily actuable. For this purpose, a radial bearing with four coils (S1, S2, S3, S4) is proposed, said coils lying opposite one another in pairs on two axes (X, Y). The coils are controlled by a three-phase... Agent: Siemens Aktiengesellschaft

20140097783 - Conveying system: A conveying system includes: a linear induction motor including a stator provided with a plurality of primary coils arranged along a conveying path and a mover provided movably along the conveying path; one or more first inverters that are provided corresponding to at least one of the primary coils in... Agent: Kabushiki Kaisha Yaskawa Denki

20140097784 - Rotor control: A method for controlling a motor at low operational speed is disclosed, wherein the motor comprises a magnetic rotor and a stator arranged to produce a magnetic field responsive to an applied electric current, wherein the method comprises ramping up an electric current applied to a stator from an initial... Agent: Control Techniques Limited

20140097785 - Electrical circuit for controlling electricalpower to drive an inductive load: A method and system are disclosed for controlling electrical current through an inductive load. The electrical current is supplied by one of at least three selectable dual capacitor bank electrical circuits. The method includes storing electrical energy during a charge operating state in first and second capacitor banks of a... Agent:

  
04/03/2014 > 12 patent applications in 8 patent subcategories.

20140091736 - Electric vehicle: An electric vehicle (1) comprising a charging circuit (11), a battery (12) and a driving electric motor (13) connected to each other, and an air compressor (14), a gas storage tank (15), a turbine (16) and a generator (17) connected to each other. Air is compressed and stored in the... Agent: Shenzhen Skd Technology Industrial Limited

20140091735 - Fan conducted noise reduction: Apparatus and methods for reducing unwanted conducted noise generated by a DC load 17. Load 17 is powered by a voltage source 11. A current sense 13 senses pulse current Ifan flowing through the load 17. First converting means 14, 15, 16 converts the sensed pulse current Ifan to a... Agent:

20140091737 - Drive with server: The present invention relates to a drive system that includes a module that operates as a server, where at least sometimes the module is at least one of directly integrated with another module that operates as a drive and fully integrated to include the drive. The server allows for communications... Agent: Rockwell Automation Technologies, Inc.

20140091739 - Control apparatus, vehicle, and control method: A control apparatus for a vehicle having an idle stop function includes a measurement unit that measures the characteristic of a battery provided in the vehicle, an identification unit that identifies the type of the battery based on the measured characteristic, and a control unit that stops the idle stop... Agent: Toyota Jidosha Kabushiki Kaisha

20140091738 - Inverter circuit having switching means operating with linear operation: An inverter circuit for an electric motor includes a first terminal and a second terminal, via which the inverter circuit is connectable to an energy store. The inverter circuit also includes a parallel circuit having three half-bridge circuits located between the first terminal and the second terminal. Each of the... Agent: Robert Bosch Gmbh

20140091740 - Control device for ac motor: A control device for a three-phase alternate current motor, includes: a control phase current acquisition means; a monitor phase current acquisition means; a rotation angle acquisition means; a two-phase control current value current calculation means; a one-phase current estimated value estimation means; a voltage command value calculation means; an other... Agent: Denso Corporation

20140091741 - Motor driving apparatus and motor driving method: There are provided a motor driving apparatus and a motor driving method capable of decreasing power consumption by readjusting a preset duty ratio according to a voltage level of driving power. The motor driving apparatus includes: a driving power detecting unit detecting a voltage level of driving power used to... Agent: Samsung Electro-mechanics Co., Ltd.

20140091742 - Control device for ac motor: A control device for a three-phase alternate current motor includes: an inverter for driving the motor; current sensors for sensing current in the motor; and a control means having a feedback control operation part for operating a voltage command of each phase and switching the inverter based on the voltage... Agent: Denso Corporation

20140091743 - Control device for ac motor: A control device for a three-phase AC motor includes: an inverter having switching elements; current sensors for sensing a current in the motor; and a control means having a feedback control operation part for operating a voltage command of each phase and switching the switching elements based on the voltage... Agent: Denso Corporation

20140091744 - Control device for ac motor: A control device for a three-phase alternate current motor includes: a control phase current acquisition means; a monitor phase current acquisition means; a rotation angle acquisition means; a two-phase control current value calculation means; a one-phase current estimated value estimation means; a voltage command value calculation means; an other phase... Agent: Denso Corporation

20140091745 - Item of furniture having an actuating system for adjusting a least one movable element: The item of furniture according to the invention has at least one movable element and an actuating system for adjusting the movable element, wherein the actuating system comprises at least one linear actuator, a power supply unit and a manual control device, wherein the power supply unit and the manual... Agent: Ciar S.p.a.

20140091746 - Electromagnetic pump compensation power supply apparatus and electromagnetic pump system: Provided, in parallel to an electromagnetic pump in a power supply system, is an electromagnetic pump compensation power supply mechanism (10) that will perform a power-factor improving function as a synchronous machine during normal operation of a plant. The electromagnetic pump compensation power supply mechanism (10) is provided with an... Agent: Kabushiki Kaisha Toshiba

  
03/27/2014 > 26 patent applications in 20 patent subcategories.

20140084817 - Method of energy and power management in dynamic power systems with ultra-capacitors (super capacitors): A power management system includes an ultracapacitor and a charge shuttle including a power converter. The charge shuttle may be coupled with the ultracapacitor and may be configured to be coupled with a load. The charge shuttle can be configured to monitor one or more parameters of the load and... Agent:

20140084816 - Power converter for an electrical machine and method of operating the machine: A power converter has a first electrical circuit including a direct current (dc) voltage source, a first phase winding of an electrical machine, and a first switch operating in a conductive state. A second electrical circuit includes the first phase winding, a first unidirectional current device, and a capacitive storage... Agent:

20140084818 - Power source system, vehicle including same, and method for controlling power source system: A first opening/closing device is connected between a power storage device and a first pair of power lines. A second opening/closing device is connected between the power storage device and a second pair of power lines. A third opening/closing device opens and closes an electric conduction path between the power... Agent: Toyota Jidosha Kabushiki Kaisha

20140084819 - Controller for driving a motor and electric power-assisted vehicle: A controller for driving a motor has: an input part that receives, from each of two brake sensors, a signal indicating a corresponding brake is in an ON state or a signal indicating that the brake is in an OFF state; a control coefficient computing part that increases a control... Agent: Taiyo Yuden Co., Ltd.

20140084820 - Device and method for managing the electric braking of a vehicle: A device for managing electric braking power includes a continuous bus, a dissipation branch, a current sensor, a controller, and an electronic charging switch. The bus includes a first pole for connection to a vehicle electric traction machine, a second pole for connection to a battery, and a connection point... Agent: Compagnie Generale Des Etablissements Michelin

20140084822 - Control device for rotary machine: A storage section stores, as stored current values, currents flowing when a voltage application section applies voltage vectors to a three-phase rotary machine. A position estimation section estimates the rotor position of the rotary machine in a stopped state based on the stored current values. An adjustment section adjusts a... Agent: Mitsubishi Electric Corporation

20140084821 - Method and apparatus for controlling an electrical machine: An observer (404), operating during a time when open loop control (402) is being used to drive a synchronous motor (401), the output of the observer (404) being a signal, E_I_angle, related to the angle between a rotational EMF vector and the current excitation vector, the observer (404) determining the... Agent: Technelec Ltd

20140084823 - Motor controlling device and motor controlling method: There are provided a motor controlling device and a motor controlling method. The motor controlling device includes: an open loop driving unit performing open loop controlling using a pulse width modulation (PWM) signal; a closed loop driving unit performing feedback controlling using a difference between a current speed of a... Agent: Samsung Electro-mechanics Co., Ltd.

20140084824 - Sensorless driving apparatus and sensorless driving method for brushless motor: The present relates to a sensorless driving apparatus and a sensorless driving method for a brushless motor. In a state that the brushless motor is driven by rectangular waves, when the driving apparatus detects that a rotation speed of the brushless motor becomes higher than a predetermined speed and thereafter... Agent: Hitachi Automotive Systems, Ltd.

20140084827 - Method and apparatus for operating a power output stage: The invention relates to a method for operating a power output stage (2), in particular an electrical machine, which comprises a bridge circuit (3) with at least one half-bridge (1), wherein the half-bridge (1) has two power semiconductor switches (4, 5) which are connected in series and which are each... Agent: Robert Bosch Gmbh

20140084825 - Method for checking out-of-step of synchronous motor: A method for checking an out-of-step of a synchronous motor includes detecting electric degrees of the synchronous motor, in which the electric degrees comprise at least a first electric degree and a second electric degree detected at a preset interval, and the second electric degree is detected after the first... Agent: Shenzhen Byd Auto R&d Company Limited

20140084826 - Method for checking out-of-step of synchronous motor: A method for checking an out-of-step of a synchronous motor includes detecting three-phase currents of the synchronous motor; determining whether a relationship between the three-phase currents satisfies a preset requirement; and if no, determining that the synchronous motor is out of step. It is determined that the synchronous motor is... Agent: Shenzhen Byd Auto R&d Company Limited

20140084828 - Power supply system for vehicle: When an earth faulting has occurred in a driving device for driving motor, an electric potential of a vehicle earth is changed. Therefore, in a DC/DC converter, a high-voltage noise intrudes a high-voltage detector through a connection node of a Y capacitor constituted by a pair of capacitors. When the... Agent: Toyota Jidosha Kabushiki Kaisha

20140084829 - Inverter controlling system and method for reducing noise in eco-friendly vehicle: Disclosed is a system and method of controlling an inverter to reduce noise in an eco-friendly vehicle. In the method, at least one of a current motor torque and a current motor speed is monitored in real-time. It is determined whether or not the at least one of the current... Agent: Hyundai Motor Company

20140084830 - Control device and method for operating an electrical machine driven by an inverter: The invention relates to a method for operating an electrical machine (1) controlled by an inverter (2), wherein the inverter (2) comprises half-bridge branches (10-U, 10-V, 10-W) having power components in the form of controllable power switching elements (3) and power diodes (4) respectively connected in parallel therewith, wherein each... Agent: Robert Bosch Gmbh

20140084831 - Control device and method for controlling electric motor: A control device of an electric motor includes: an operating state setting unit configured to set an operating state; a maximum output acquiring unit configured to acquire maximum output of the electric motor that is preset according to the operating state set; a speed detecting unit configured to detect a... Agent: Komatsu Ltd.

20140084832 - Motor control system, motor control device, and brushless motor: A motor control system includes a host ECU and a motor control device. The host ECU controls a wheel driving unit. A power supply to the ECU is halted when an IG switch is turned OFF. The motor control device receives a PWM command signal from the host ECU and... Agent:

20140084833 - Method and apparatus for improving output of a multi-winding motor: A technique for controlling drive currents to respective windings of a multi-winding brushless motor comprises monitoring an output of the motor and a demand of the motor, determining whether a failure mode has occurred, the failure mode being an instantaneous complete or partial failure to generate demanded output; and, upon... Agent:

20140084834 - Electronic control device: Disclosed is an electronic control device for controlling an electric actuator, which includes: a housing fixed to an outer side of an exterior part of the electric actuator; a circuit board accommodated in an inner space of the housing; a temperature sensor mounted on the circuit board; and a heat... Agent: Hitachi Automotive Systems, Ltd.

20140084835 - Load driving device and electronic device using same: A load driving device according to the present invention has: an internal circuit (DRV) that operates in response to the supply of a power supply voltage (HV or LV); an output circuit (PD1 and PD2) for driving a load in response to the supply of the power supply voltage (HV... Agent: Rohm Co., Ltd.

20140084836 - Compressor having a control and diagnostic module: A system and method includes a power supply that generates an alternating current power for powering a compressor with a capacitor, a voltage sensor that measures voltage values based on the alternating current power, a current sensor that measures current values based on the alternating current power, and a controller.... Agent: Emerson Climate Technologies, Inc.

20140084837 - Modular motor drive configuration system and method: A motor drive system includes a power sub-assembly that comprises power electronic components and driver circuitry for controlling gate drive signals to the power electronic components. A control sub-assembly is removably mounted to the power sub-assembly and comprises control circuitry for implementing a motor control routine for control of an... Agent: Rockwell Automation Asia Pacific Business Center Pte. Ltd.

20140084838 - Numerical controller having function for switching between pressure control and position control: When a numerical controller is notified of switching to pressure control during instructing of position-controlled synchronization, the numerical controller places the synchronization instruction in pause and switches to a pressure-controlled instruction. Then, when it is desired to return from pressure control to position control, a transition from pressure control to... Agent: Fanuc Corporation

20140084839 - Multi-axis motor driving system and multi-axis motor driving apparatus: The multi-axis motor driving apparatus includes an integrated controller that is configured to discriminate between a drive axis that uses the motor subjected to semi-closed control based on the motor control command and a detection position detected by the encoder and a drive axis that uses the motor subjected to... Agent: Kabushiki Kaisha Yaskawa Denki

20140084840 - Robot apparatus, robot control method, program, and recording medium: A robot apparatus includes a rectangular wave generating portion arranged on the output side of a speed reducer, and configured to generate first output pulse signals upon driving of a joint. A control portion includes calculating portions and a motor control portion. The motor control portion estimates an estimated joint... Agent: Canon Kabushiki Kaisha

20140084841 - Motor drive configuration system and method: A motor drive comprises a power sub-assembly and a control sub-assembly removably secured to the power sub-assembly. The power sub-assembly contains all power electronic circuitry and driver circuitry for the power electronics. The control sub-assembly comprises control circuitry for implementing a motor control routine that generates control signals for the... Agent: Rockwell Automation Asia Pacific Business Center Pte. Ltd.

  
03/20/2014 > 20 patent applications in 15 patent subcategories.

20140077731 - Battery pack and electrically driven automobile: A battery pack for an electrically driven automobile includes plural battery banks, a battery management unit that detects current flows, voltages and temperatures, first and second terminals connected respectively to the positive and negative electrode terminals of the battery banks, plural third and fourth terminals connected respectively to the positive... Agent: Kabushiki Kaisha Toshiba

20140077730 - Electric bicycle driving apparatus: Disclosed is an electric-bicycle drying apparatus. The apparatus includes a speed-change mode operator to output a low-speed or high-speed mode signal, a controller to output a first or second control signal corresponding to the low-speed or high-speed mode signal, a first motor driver to output a first motor-driving signal to... Agent: Mando Corporation

20140077732 - Device and method for managing the electric braking of a vehicle: A device for managing electric braking power includes a controller and a DC bus with a first pole that connects to a vehicle traction machine, a second pole that connects to a battery, and a connection point. The machine is associated with an inverter that delivers an electric braking power... Agent: Compagnie Generale Des Etablissements Michelin

20140077734 - Control system for brushless motor: A motor controller is configured to perform positioning of a rotor of a brushless motor immediately when power supply is turned on, and not after actually receiving a target value related to control for the brushless motor from a main ECU, which determines the target value. The motor controller finishes... Agent: Denso Corporation

20140077733 - Electrically driven power steering system and control apparatus for the same: In an electrically driven power steering system and a control apparatus for the electrically driven power steering system which are capable of reducing a development of a noisy sound due to a magneto-strictive sound. A voltage V(Thys) corresponding to each of PWM pulses achieving time Thys (a third predetermined value)... Agent: Hitachi Automobile Systems Steering, Ltd.

20140077736 - Method and device for operating a brushless motor: The invention relates to a method for operating a brushless electric motor, the windings of which are controlled by an inverter using six switches, wherein the inverter comprises three outputs, which are associated with the windings of the electric motor, and wherein a respective power semiconductor switch is arranged between... Agent: Continental Automotive Gmbh

20140077735 - System for driving electromagnetic appliance and motor driven vehicle: In one embodiment, system for driving an electromagnetic appliance includes an electromagnetic appliance, a main-drive unit and a sub-drive unit. The electromagnetic appliance includes coils for n number of phases, the coils for each of the n phases being arranged in a pair and wound so as to be excited... Agent: Kabushiki Kaisha Toshiba

20140077737 - Vehicle electric machine control strategy: A vehicle having a traction battery and at least one electric machine for propelling the vehicle is provided. A high voltage DC bus electrically connects the traction battery to the electric machine. A controller monitors and commands power flow through the DC bus, the electric machine, and the battery. In... Agent: Ford Global Technologies, LLC

20140077738 - Driving system for synchronous motor: A position sensor-less driving method is provided that can drive rotation speed/torque control of a permanent magnet motor using an inverter with an ideal sinusoidal current with the minimum number of switching, and can drive at a speed as low as an extremely low speed region close to zero speed.... Agent: Hitachi, Ltd.

20140077739 - Electric motor position signal synchronized operation: An embedded controller in a vehicle electronics subsystem includes a signal processing circuit used to communicate with an electric machine. The signal processing circuit may be configured to receive an input signal from the electric machine and provide digital output signals to the embedded controller. The digital output signals may... Agent: Ford Global Technologies, LLC

20140077740 - Electric bicycle driving apparatus: Disclosed is an electric-bicycle driving apparatus. The electric-bicycle driving apparatus includes a speed-change mode operator to output a low-speed or high-speed mode signal, a controller to receive the low-speed or high-speed mode signal from the speed-change mode operator and to output a first or second control-signal corresponding to the low-speed... Agent: Mando Corporation

20140077741 - Electric power steering apparatus: An electric power steering apparatus comprises a shunt resistor that is connected to an inverter, a controlling motor current detection circuit that is connected to two terminals of the shunt resistor in a positive direction, detects phase currents of a motor and uses the detected phase current as a controlling... Agent: Nsk Ltd.

20140077742 - Linear actuator system with means for fire detection: A linear actuator system comprising at least one linear actuator, a power supply, a control and an operation device. The linear actuator system comprises at least one printed circuit board having multiple layers comprising an electrically conductive circuit. At least one of the layers of the printed circuit board is... Agent: Linak A/s

20140077743 - Electric bicycle driving apparatus: An electric bicycle driving apparatus is disclosed. The apparatus includes a speed change mode operator to output a first speed change mode signal or second speed change mode signal, a controller to receive the first speed change mode signal or second speed change mode signal and output a first control... Agent: Mando Corporation

20140077744 - Motor driving device for adjusting motor speed and setting the lowest rotating speed and the driving method thereof: A motor driving device and a driving method thereof is disclosed herein and comprises a PWM converting circuit, an oscillator, a comparator, a controlling unit. The PWM converting circuit converts an analog signal according to an adjustable the highest setting voltage, an adjustable the lowest setting voltage and a controlling... Agent: Amtek Semiconductor Co., Ltd.

20140077745 - Drive control device and drive control method: The invention provides a drive control device that comprises: inverters that are connected to a motor; a variable resistive element that is connected between the motor and each of the inverters; a current/voltage detection device connected between the motor and each of the inverters; and a controller that, when detecting... Agent:

20140077746 - Motor control device: A motor control device includes an operation determination unit that determines whether a motor is in an operating state or in a stopped state based on an operation command signal or an operation signal and an amplitude estimation unit that, based on a determination result of the operation determination unit,... Agent: Mitsubishi Electric Corporation

20140077749 - Method and apparatus to convert a minimally controlled pulse stream into a proper mechatronic trajectory: An apparatus or method which accepts a burst of pulses at a frequency which may not be tightly controlled and converts this into a trajectory command that is a suitable motion profile for an incremental motor control application. The output of the invention can be a pulse stream that can... Agent: Teknic, Inc.

20140077747 - Motor speed enhancement: Embodiments are directed to commanding, by a controller, a step in connection with a stepper motor, discharging a current in a coil of the stepper motor by transferring the current to a capacitor coupled to the coil responsive to the commanded step, and driving a current in the coil by... Agent: Hamilton Sundstrand Corporation

20140077748 - Stepper motor phase failure detection: Embodiments are directed to a stepper motor, and a controller configured to: measure a parameter associated with a current of the stepper motor prior to commanding a step in connection with the stepper motor, command the step in connection with the stepper motor, measure the parameter subsequent to commanding the... Agent: Hamilton Sundstrand Corporation

Previous industry: Electric lamp and discharge devices: systems
Next industry: Electricity: battery or capacitor charging or discharging


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