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Patent Searching and Data


Matches 101 - 150 out of 23,244

Document Document Title
WO/2017/062254A1
A noise suppression circuit for use with a noise source (212, 214) connected to ground may include a first capacitor (230) having a first terminal and a second terminal, the first terminal of the first capacitor being connected to the no...  
WO/2017/061396A1
The present invention protects an internal circuit of a battery-shaped power source device from surge voltage generated in an inductive load, and prevents or reduces exhaustion of an external battery which is used together with the batte...  
WO/2017/053254A2
: A surgical stapler. The surgical stapler includes a drive system, an electric motor, a battery and a control system. The electric motor is mechanically coupled to the drive system. The battery is electrically couplable to the electric ...  
WO/2017/053256A1
A surgical stapler. The surgical stapler includes a drive system, an electric motor, a battery and a control system. The drive system includes a movable drive member. The electric motor is mechanically coupled to the drive system. The ba...  
WO/2017/053259A2
A surgical stapler. The surgical stapler includes a drive system, a handle assembly, an electric motor, a battery and a control system. The drive system includes a movable drive member. The handle assembly includes a frame configured to ...  
WO/2017/053257A1
A surgical stapler. The surgical stapler includes a drive system, an electric motor, a battery and a control system. The electric motor is mechanically coupled to the drive system. The battery is electrically couplable to the electric mo...  
WO/2017/053252A2
A surgical stapler. The surgical stapler includes a drive system, an electric motor, a battery and a control system. The electric motor is mechanically coupled to the drive system. The battery is electrically couplable to the electric mo...  
WO/2017/053253A1
A surgical stapler. The surgical stapler includes a drive system, an electric motor, a battery and a control system. The electric motor is mechanically coupled to the drive system. The battery is electrically couplable to the electric mo...  
WO/2017/053255A1
A surgical stapler. The surgical stapler includes a drive system, an electric motor, a battery and a control system. The electric motor is mechanically coupled to the drive system. The battery is electrically couplable to the electric mo...  
WO/2017/020177A1
A motor control circuit (30) comprises a plurality of power units (31-36). Each of the power units comprises a first power element (Q1) and a second power element (Q2) connected in series with the first power element (Q1), and the connec...  
WO/2017/017769A1
In this motor, one end of each phase conductor wound around a stator core in a wave winding manner is connected to the positive electrode terminal of a DC power supply via a first positive electrode side switch and to the negative electr...  
WO/2017/019546A1
Systems and methods of controlling a power supply signal delivered to an electronic device (109) are provided. In one exemplary embodiment, a method performed by a controller (101 ) for controlling a power supply signal delivered to an e...  
WO2017010241A1
An operation device (1) is provided with a motor (11) able to rotate forward and backward, a gear mechanism (12) for subjecting an operation part (2) to tactile stimulation by changing the forward and backward rotational driving of the m...  
WO/2017/006603A1
Provided is a fault diagnosis circuit for diagnosing an open-circuit fault in a reverse connection protection transistor, the fault diagnosis circuit being provided with: a power feed part including a switching transistor placed in an on...  
WO/2016/207832A1
The invention relates to a electrical/electronic apparatus, without dielectric coolants or oils, which is used to power electric motors and which alters the frequency, voltage, current and power parameters of the electric signals. The ap...  
WO/2016/204824A1
A DC-DC converter includes an input terminal Pin receiving an voltage input, switching circuits connected in parallel between the input terminal Pin and ground, an output terminal Pout from which converted voltage is output, and a contro...  
WO/2016/199491A1
The present invention relates to a load driving device including an H-bridge circuit, and the objective of the invention is to reduce the size of capacitors and/or the constituent elements of the H-bridge circuit (for example by reducing...  
WO/2016/193472A1
A DC fan motor (10) for a heating, ventilation and/or air-conditioning system module of a motor vehicle is described, comprising a rotor (14) and a stator (12). The stator (12) has at least one stator winding (16) which in the energized ...  
WO/2016/192837A1
The invention relates to a compressor (400') for generating compressed air, in particular for a compressed air supply system (1000) of a vehicle, comprising the following: - an electric motor (500) in the form of a brushed DC electric mo...  
WO/2016/194535A1
In order to provide an electric tool capable of suppressing variations in motor characteristics between external power supplies having different voltages, and of suppressing increases in the size of the electric tool itself, this electri...  
WO/2016/190212A1
Provided is an electrically powered brake device with which it is possible to increase the durability against heat in an electrically powered motor for the electrically powered brake device. This electrically powered brake device is prov...  
WO/2016/186525A1
An electric fan with a self-cleaning mode to energise rotating fan blades in alternate forward and reverse directions to create a vibration in order to shake built-up dust or dirt particles from the blades in a frequency at which the rot...  
WO/2016/183419A1
An electrical device includes a motor having at least one coil, a first input configured to be coupled to a rechargeable direct current (DC) power source and a second input configured to be coupled to an alternating current (AC) power so...  
WO/2016/170792A1
A motor drive device (30) includes a brushless DC motor (5) which drives a load, and a speed control unit (8) which determines a PWM ON-ratio for subjecting the brushless DC motor (5) to PWM control. The motor drive device additionally i...  
WO/2016/166797A1
An electric power steering device, wherein problems relating to heat emission due to ON resistance occur when a semiconductor switching element for opening and closing a current conduit between a battery and a bridge circuit is used, and...  
WO/2016/152074A1
Upon acquiring a speed command for controlling a motor (102), the motor drive device (101) controls a motor current flowing to the motor (102). The motor drive device (101) is provided with a speed control unit (14), a disturbance compen...  
WO/2016/127611A1
A speed regulation method for a controllable fan, at least comprising: whenever a speed regulation device for a controllable fan makes a decision that a rotational speed of the fan needs to be decreased, if the speed regulation device fo...  
WO/2016/127650A1
A constant torque control method for an electronic commutation motor (ECM), comprising the steps: A) acquiring an externally input target torque value T0; B) a microprocessor acquiring a current revolving speed value rmp; C) the micropro...  
WO/2016/088140A3
In an implementation, the present specification provides a DC operated fan motor and a speed regulator system having: an H-bridge with four power transistors controlled with PWM signals and variable frequency commutation provided on each...  
WO/2016/100884A1
A control system for a power tool operated by a battery includes a detector to detect voltage of the battery, and a control unit. For each of a plurality of phases of a brushless direct current (BLDC) motor of the power tool, the control...  
WO/2016/100879A1
A power tool includes a multi-phase BLDC motor, a plurality of switches, an input unit, and a controller. For each phase, the controller operates to vary power output to the motor between a first power and a second power by varying a dut...  
WO/2016/092995A1
A fan motor system (1) is provided with: a fan motor unit (10) comprising a motor (101) and a controller (100) which controls the rotational speed of the motor (101) in accordance with an input command value; a command value outputting p...  
WO/2016/084091A2
A system for controlling an electric motor which includes three coils and a rotor, comprising a motion-profile-generator for generating a rotor-motion-profile and for producing a position-command, a position-controller for determining a ...  
WO/2016/082701A1
An electric tool control circuit comprises a central control module, a motor drive module, a motor, and a working parameter detection module. The working parameter detection module is separately electrically connected to the motor and th...  
WO/2016/078448A1
A rotation speed adjustment system for a fan. The system comprises a main control circuit (12) and a fan drive circuit (14), wherein the main control circuit is coupled and connected to the fan drive circuit and is used for generating a ...  
WO/2016/067787A1
A DC motor control device 1 having: communication units (10, 11) that receive a control command specifying a target rotation amount for DC motors (2-1, 2-2); sensor interface units (13-1, 13-2) that receive detection signals from rotatio...  
WO/2016/059723A1
The present invention includes an command voltage generating unit 31 which generates a new command voltage value obtained by correcting a present command voltage value so as to make the present rotating speed closer to the target rotatin...  
WO/2016/044998A1
A series-excited motor control system (100), comprising a first power supply changeover switch (105) and a second power supply changeover switch (106). When a series-excited motor (300) needs to be switched to a high-speed operating stat...  
WO/2016/041103A1
An automatically-limiting electric sausage filler comprises a piston (1), a manual shaft (2), an automatic shaft (3), a lower-limit signal detection element (4), a lower-limit magnet strip (5), a toothed piston rod (6), an upper-limit si...  
WO/2016/044838A1
Apparatus features a microcontroller configured to: receive signaling containing information about a measured change of a magnetic field created by a magnetic circuit driving a motor; and determine corresponding signaling containing info...  
WO/2015/198246A3
In accordance with the present disclosure, a personal hygiene device has a resonant motor and a motor control unit for applying a periodic voltage signal with a driving frequency at the resonant motor for driving the resonant motor into ...  
WO/2015/177289A3
A method for controlling an electric motor that comprises implementing a regulation loop (11) regulating an induced current (I) flowing in an induced circuit of a rotor (8) of the motor, the regulation loop (11) having, as the input sign...  
WO/2016/029840A1
A method for accelerating a V/f controlled induction motor in a weak magnetic region. The method comprises: obtaining a no-load excitation current Im of the induction motor at a current stator frequency; selecting a smaller value of 0.5┬...  
WO/2016/032364A1
´╗┐The invention relates to the field of constructing electrical motors and generators, and can be used, in particular, for generating electrical and mechanical energy. The aim of the invention consists in expanding the scope of applicat...  
WO/2016/026390A1
A motor control circuit for a level laser comprises a motor speed adjustment module and a speed stabilization module, wherein the speed stabilization module comprises a single-chip microcomputer and a motor speed stabilization chip, the ...  
WO/2016/012231A1
The present invention relates in particular to an adjustment device for a closure element on a vehicle, for example, a window pane, a sunroof, or a convertible top, wherein the closure element can be adjusted between an open and a closed...  
WO/2016/001289A1
Described is an actuator having an electric motor controlled by a control unit and having an active electronic position sensor for detecting the actuator position. The actuator is characterized in that the electrical energy for the opera...  
WO/2016/004081A1
A fan having one fan blade; a fan motor for rotating the fan blade; a motor control electrically coupled with the fan motor for controlling operational characteristics of the fan motor; and a power supply having a step-down high efficien...  
WO/2015/193175A1
Disclosed is an arrangement which has a drive unit (3) comprising a first terminal (31) and a second terminal (32), a differential amplifier unit (43) comprising a first input terminal, a second input terminal and an output terminal, a f...  
WO/2015/196125A1
A motor control circuit (100) includes a processor (124) configured to calculate multiple motor impedances from measurements of an excitation voltage (VE) on a power bus (105) to a motor (108) and measurements of multiple currents throug...  

Matches 101 - 150 out of 23,244