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Matches 201 - 250 out of 22,665

Document Document Title
WO/2015/093423A1
Provided is a valve timing control device for an internal combustion engine with which the valve timing control device can be operated even when a portion of the coil of an electric motor is broken. In a step 4, when it is determined tha...  
WO/2015/078524A1
The present invention relates to an electrical household appliance comprising at least one synchronous electric motor (11, 12), a driver circuit capable of controlling the speed of said at least one synchronous electric motor (11, 12), s...  
WO/2014/053917A3
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 detect...  
WO/2015/048931A1
A gate control circuit for controlling gates of at least a half side of an H-bridge circuit includes: an input terminal configured to connect to a PWM signal; a power terminal configured to connect to a voltage source that supplies a pos...  
WO/2014/123827A3
A control device comprises an electric motor and a controller. The controller may be configured to receive a signal from the electric motor and selectively change a state of the control device responsive to the signal.  
WO/2015/043375A1
A thrust compensation system of a dual-winding voice coil motor, which is used for driving the voice coil motor having secondary windings arranged between each pair of main windings, wherein the main windings are the main working winding...  
WO/2015/045981A1
Provided is a battery replacing robot capable of preventing damage to a lock mechanism installed to lock a battery by being activated by the force of insertion of the battery into a battery container portion. In a battery replacing robot...  
WO/2014/206719A3
An electric household appliance (1), particularly a laundry treating machine, comprising an universal electric motor (6) provided with a first stator winding portion (19) having a first terminal connectable to a voltage source and a seco...  
WO/2015/027313A1
A pump jack controller is provided that can harness the waste energy generated during the operation of a pump jack when its electrical motor is in an over-speed condition, and convert that waste energy into electrical energy that can be ...  
WO/2014/193732A3
Deriving a clean timing signal from a waveform is disclosed. A sensor-of-interest (SOI) sample set and a waveform sample set that correspond to the SOI sample set in time is collected. The waveform sample set contains information which a...  
WO/2014/201180A1
A drive mechanism (16A, 16B) configured to drive a thermally isolated actuator (30) between two positions. The drive mechanism includes a rotary actuated motor (18) configured to rotatably drive a motor member (20), and a drive member (2...  
WO/2014/201150A1
A drive mechanism (16A, 16B) having a bi-stable motor (18) driving an actuator (22) with a high starting torque, and a slower, regulated velocity as the actuator moves through its range of travel. This advantageously maintains high torqu...  
WO/2014/201181A1
A device (10) operable in a ultra-high vacuum and in a cryogenic environment. The device has bi-stable solenoid motors (18) configured to drive a shutter assembly (12) defining an aperture (15) having a first shape when the motors are ea...  
WO/2014/199135A1
A controller for a brushless motor, the controller comprising a PWM module configured in half-bridge or full-bridge mode. The PWM module outputs control signals for controlling the excitation of a winding of the motor, and one of the dut...  
WO/2014/089255A3
Embodiments of methods of controlling a motor for driving a load are disclosed herein. Exemplary methods include providing energy to a motor, sensing a parameter indicative of current. Determining the end of an inrush current and a start...  
WO/2014/201153A1
A drive mechanism (16A, 16B) including a rotary actuated motor (18) configured to rotatably drive a drive arm (24) between a first position to a second position and an actuator (30) responsive to movement of the arm, wherein the actuator...  
WO/2014/195258A1
A circuit comprising: – an output stage according to the invention; – a first control apparatus comprising a control stage of the first control apparatus is connected to the output stage; and, – a second control apparatus comprisin...  
WO/2014/185040A1
An electrically raisable/lowerable storage device provided with a storage shelf (2) to be raised and lowered between an upper-limit position and a lower-limit position, a raising/lowering unit (3) for raising and lowering the storage she...  
WO/2014/177177A1
The present invention pertains to an induction cooker (1) comprising a plurality of hob rings for effecting heating of edible contents in a ferrous metal cookware being positioned on one of said rings, switching power components generati...  
WO/2014/082772A3
The invention relates to a method for operating an electric motor (2), which can be connected to a power source (5) by means of a switching device (3) and is connected in parallel to a freewheel device (9), wherein the switching device (...  
WO/2014/159092A2
A pulse width modulated (PWM) trapezoidal commutation drive to a brushless direct current (BLDC) motor is sine modified so that the applied drive voltage substantially matches the induced voltage generated in the BLDC motor. The values o...  
WO/2014/051167A3
An electric power tool comprising a voltage conversion circuit configured to control magnitude of a voltage applied to a motor in accordance with magnitude of load.  
WO/2014/152983A1
Methods and apparatus to control an architectural opening covering assembly are disclosed herein. An example method disclosed herein includes determining a position of a covering of an architectural opening covering assembly. The example...  
WO/2014/139201A1
An automatic torque correction method of an ECM motor used for replacing a PSC motor. The method comprises: Step 1) obtaining, through calculation, torque data corresponding to a high-gear rotation speed group and a low-gear rotation spe...  
WO/2014/130201A1
An electric motor controller is configured to be coupled to an electric motor. The controller is also configured to control the electric motor to produce torque when direct current (DC) link voltage has a 100% voltage ripple, or when dir...  
WO/2014/009375A3
A method for reducing the development of noise in a vacuum pump (10) which is operated with a frequency converter and which has a pump motor (12) which is driven by a frequency converter (14) is characterized in that the motor current is...  
WO/2014/079658A1
The invention relates to a method for dispensing lubricating grease by means of a lubricant dispenser (1) in a metered manner, said lubricant dispenser having a lubricant cartridge (3) which is filled with lubricating grease (2) and has ...  
WO/2012/170094A3
When starting a screw-type air compressor (12) in sub-zero conditions, current spikes are mitigated by detecting an over-current condition and/or a below- threshold temperature, and a warm-up routine (28) is initiated in which compressor...  
WO/2012/115897A3
A temperature estimation module (104) estimates a change in temperature of the magnets associated with the rotor of the motor (117) based on an operational magnetic flux strength that is compared to a reference magnetic flux strength det...  
WO/2014/057011A1
A method for operating a polarity reversal relay (1) for actuating inductive loads (2) is described. The polarity reversal relay (1) has a first and a second switching contact group (3, 4), for this purpose. First, it is ascertained whet...  
WO/2014/054582A1
A fan motor control device that, when in a state in which a control unit (10) cannot obtain a rotation request (LO request) at a first rotation speed and control is being performed on the basis of a rotation request (HI request) at a sec...  
WO/2014/053889A1
System (3) for controlling the position of a motor (1). The motor comprises a rotor (11), at least two brushes (14), and a power supply circuit (15). The system (3) is operationally connected to said power supply circuit (15) of said mot...  
WO/2013/137480A3
An electric tool for driving a tip tool, the electric tool includes: a removable battery; the brushless motor configured to generate a driving force for driving the tip tool; an inverter circuit configured to supply drive power from the ...  
WO/2014/054581A1
A fan motor control device that, in a state in which a rotation request (LO request) at a first rotation speed cannot be obtained by a control unit (10) and control is performed based on a rotation request (HI request) at a second rotati...  
WO/2014/051167A2
An electric power tool comprising a voltage conversion circuit configured to control magnitude of a voltage applied to a motor in accordance with magnitude of load.  
WO/2014/050404A1
A motor control device (1) comprises: a communication unit (11) which receives a control command including a motor type identification signal representing the type of a motor (2) to be controlled and a signal designating the target rotat...  
WO/2013/159842A3
A drive arrangement (1) comprising an input (2) from a primary power source (5) and an auxiliary power source (7). The drive arrangement (1) incorporates a DC-DC converter (8) and a motor driver circuit (14). The motor driver circuit (14...  
WO/2013/113540A3
The invention relates to a circuit assembly (1) and to a method for elective control of an alternating current motor (3) or direct current motor (2) supplied from a direct voltage source (4). The circuit assembly (1) comprises two conver...  
WO/2014/017487A1
A main control circuit (11) for driving a motor is configured so as to have: a Pch FET (T11), which is provided in series with a diode (D1), and the source (S) of which is connected to a secondary-side contact (MC2) of a main contactor (...  
WO/2014/013474A1
A power tool (10) comprises a motor for driving a driven element of the power tool (10) and a handle section (12), wherein the power tool (10) incorporates first and second pressure sensitive switches (18,20) operable to control operatio...  
WO/2014/004775A2
An integrated H-bridge electrical harness for controlling an actuator, such as a stepper motor, where the harness includes a signal converter in electrical communication with an ECU, a driver in electrical communication with the signal c...  
WO/2014/000794A1
The present invention relates to vacuum cleaners and methods of controlling a motor driven by a battery source in a vacuum cleaner. For instance, a vacuum cleaner (1) is provided comprising a motor (2), a battery source (3) for providing...  
WO/2013/092548A3
The present invention relates to a circuit (101) for unlocking a plug connection locked by an electromotive actuator, with a first switching element Rel 1 for opening a mechanical locking device, a capacitor C for storing energy for at l...  
WO/2013/182211A1
An electrical apparatus, comprising an electrical drive system and an electrical machine, wherein the electrical machine comprises a rotor, a first separate multi-phase stator winding and a second separate multi-phase stator winding, whe...  
WO/2012/146945A3
An electric motor controller having a front face and a rear face, the front face carrying a plurality of AC output couplings and the controller carrying a converter configured to convert a received DC supply into an output AC supply for ...  
WO/2013/166226A1
A power tool includes a tool housing defining a cavity and a pocket formed in a wall of the tool housing. A motor is positioned within the cavity, and a trigger mechanism is moveably coupled to the tool housing. A speed selector switch i...  
WO/2012/078598A3
In one embodiment, a system for reducing component noise in a motor in a automobile includes a first gate driver and a second gate driver, a high side FET; a low side FET; a charge pump circuit; a high frequency reduction component; and ...  
WO/2013/149743A1
The invention relates to a method for providing the clamping force generated by an electric braking motor in a parking brake. The clamping force is determined as a function of the motor constants of the braking motor on the basis of curr...  
WO/2013/148642A1
In a multi-phase brushless DC motor, a zero crossing N-bit filter includes a comparator and a phase multiplexer. The phase multiplexer connects each motor phase to each of a positive and a negative input of the comparator, with a switch ...  
WO/2013/139785A1
Method of controlling a motor vehicle windscreen wiper motor, powered and controlled by pulse width modulation (PWM) with duty ratio (T) of determined value, in which the instantaneous fundamental period of the modulated pulses is switch...  

Matches 201 - 250 out of 22,665