Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 31,142

Document Document Title
WO/2018/008372A1
Provided is a 6-line 3-phase motor that is capable of simultaneously achieving a high output and reduction of torque ripples. A 6-line 3-phase motor (100) is provided with: a stator (110) that has winding wires wound independently betwee...  
WO/2018/008936A1
The present invention relates to a system for applying a maximum driving efficiency point of a load, comprising: a motor for driving a load; an inverter for controlling the speed and voltage of the motor; a sensor unit for measuring magn...  
WO/2018/001511A1
The present invention relates to an electrical household appliance having multiple synchronous motors with multiple integrated power modules (IPM). The present invention more particularly relates to an electrical household appliance comp...  
WO/2017/221320A1
In this motor control method, applied voltage applied to a motor through an inverter is controlled by voltage phase control. This control method is provided with: a phase command value calculation step for calculating, on the basis of a ...  
WO/2017/220242A1
The invention relates to a circuit assembly (28) for supply-side connection to an inverter (8) of an electric machine (2), comprising a filter circuit (32) having at least one filter stage (30), wherein the filter stage (30) has an X-Y i...  
WO/2017/216959A1
A motor system (101) relating to the present invention is equipped with: a motor wherein a first wire-wound section (6) and a second wire-wound section (7) are provided, and the number of the wire winding turns of the second wire-wound s...  
WO/2017/218822A1
In a described example, an apparatus (800) includes: a FET driver circuit (812) configured to supply current to a coil in a stepper motor, the FET driver circuit (812) configured to regulate the current to the coil using a fixed delta cu...  
WO/2017/211735A1
A vacuum pump drive having an electric motor (12) and having a frequency inverter (16) electrically connected to the electric motor (12) and arranged remote from the motor, wherein a transformer (20) is arranged in the electrical feed li...  
WO/2017/214484A1
A motor control unit comprising an inverter, a fan to blow air and thereby cool the inverter, and an enclosure configured to maintain the inverter in a dry condition. The enclosure includes a back wall, a bottom wall having a ventilation...  
WO/2017/212585A1
A motor control device 100 is provided with the following: a rectifier circuit 2 that converts an alternating current voltage to a direct current voltage; and an inverter circuit 4 that converts the direct current voltage, which was outp...  
WO/2017/213073A1
This power output device is provided with: a field winding; a motor having a plurality of star-connected motor windings which are composed of three or more phases; a capacitor; an inverter circuit which is configured to perform power con...  
WO/2017/212911A1
[Problem] To provide a motor control device, an electric power steering device equipped with same and a vehicle, the motor control device being capable of size and cost reduction when the driving of a motor having two-system windings is ...  
WO/2017/208730A1
Provided is a motor control device that controls a motor appropriately by accurately detecting, without detection error, a current offset amount included in a detection value of a direct-current bus current. This motor control device com...  
WO/2017/208938A1
A motor control device includes a chopper unit, a driver unit, and a control unit. The chopper unit has a chopper switching element, and is capable of operating so as to generate current that includes a rectified sine wave waveform. The ...  
WO/2017/203690A1
A motor control device (100) is provided with: a drive circuit (3) that can freely switch between output of a first voltage value (V1) and output of a second voltage value (V2) which is lower than the first voltage value (V1), the drive ...  
WO/2017/202530A1
The invention relates to a method for improving a starting process of an internal combustion engine (300) by means of a belt-driven starter generator (100), which has a stator winding (11) and a rotor winding (12), wherein the starter ge...  
WO/2017/203236A1
A unit for installation in a complex product comprising an electric machine requiring an AC power supply. The unit comprises: a housing carrying an AC output; a battery in the housing comprising at least one battery cell; an inverter in ...  
WO/2017/199719A1
The electric powered work machine in one aspect of the present disclosure is provided with: a main conduction path; a drive unit provided with a motor and at least one first semiconductor switching element; a control unit; a bypass condu...  
WO/2017/199302A1
An electric motor is provided with: a stator; a rotor provided rotatably with respect to the stator; and a drive circuit board having a power IC for applying a drive voltage to the stator and a control IC for generating a PWM signal for ...  
WO/2017/199357A1
This electronic control device has multiple system circuits, all of which are provided with mutually independent power shutdown means, such that in response to the detection of an abnormality, an abnormal system circuit is shut down by t...  
WO/2017/186259A1
In order to improve a method for selecting a frequency converter for a coolant compressor unit, comprising a coolant compressor and an electric drive motor, in such a way that the frequency converter is selected in an application-optimis...  
WO/2017/186319A1
The invention relates to a method for switching off a polyphase electrical machine (110) in a motor vehicle, wherein the polyphase electrical machine (110) has a rotor with a rotor winding (101) and a stator with a polyphase stator windi...  
WO/2017/187542A1
The present invention is provided with: the same number of inverter modules 6-8 as the number of phases of an electric motor; and an inverter control unit 4 which generates pulse width modulation (PWM) signals for driving the inverter mo...  
WO/2017/187576A1
This motor drive device is provided with: the same number of inverter modules as the number of phases of a motor 15; and a control unit 5 which generates pulse width modulation (PWM) signals for driving the inverter modules 2, 3, 4 by wa...  
WO/2017/183656A1
A motor 10 pertaining to an embodiment is equipped with: a rotor 30 having a rotor core 31 and multiple permanent magnets 32 arranged along the outer periphery of the rotor core 31; and a stator 20 having multiple windings 21. Each of th...  
WO/2017/183179A1
This electric motor drive device comprises: a compressor motor power conversion device that supplies power to a compressor motor; a fan motor power conversion device that supplies power to a fan motor; a booster device that applies boost...  
WO/2017/182129A1
The invention relates to a drive system comprising an intermediate circuit busbar which comprises at least one first current busbar adapter part on which two tab portions are arranged at a distance from each other, in particular also tab...  
WO/2017/181578A1
An electric motor controller and an ECM electric motor applying same. The electric motor controller (2) comprises a microprocessor, an inverter circuit, a gear detection circuit and a power supply section, wherein an output end of the po...  
WO/2017/183274A1
This electric motor drive device comprises: a compressor motor power conversion device that supplies power to a compressor motor; a fan motor power conversion device that supplies power to a fan motor; a booster device that applies boost...  
WO/2017/181091A1
A converter circuit is provided and includes: a first EMI filter connected to AC lines and includes one or more across-the-line capacitors; a charging circuit that receives power from the first EMI filter and limits an amount of current ...  
WO/2017/179337A1
This shift range control device switches shift range by controlling the drive of a motor (10). The shift range control device comprises a feedback control unit (52) that performs position feedback control on the basis of a target angle d...  
WO/2017/181071A1
A drive includes an inverter power circuit that applies power to an electric motor of a compressor from a direct current (DC) voltage bus. A power factor correction (PFC) circuit outputs power to the DC voltage bus based on input alterna...  
WO/2017/178744A1
The subject matter of the present invention is a method for diagnosing a control fault in a three-phase electric motor current-controlled by a control signal. The method makes it possible to calculate (E5) the actual dead time present in...  
WO/2017/175681A1
An electrical motor device according to the present invention is provided with a control unit. The control unit is configured to adjust the ratio of transformation by adjusting the ratio between a first time period, in which all upper-ar...  
WO/2017/175381A1
An electric power steering device provided with a plurality of power supply circuits, wherein the plurality of power supply circuits have a second power supply circuit for the CPU in a control unit, and a first power supply circuit for o...  
WO/2017/175466A1
Provided is a motor drive device capable of suppressing current consumption and increase of cost without delaying the start-up time. The motor drive device is provided with multiple inverter circuits, multiple relay circuits, multiple po...  
WO/2017/167493A1
The invention relates to a method for the current control of a pulse-width-modulated converter for an electric machine, particularly a pulse-width-modulated inverter connected to the electric machine. The machine and the inverter have a ...  
WO/2017/172315A1
A motor controller configured to control different types of electronically commutated motors (ECMs) includes a range of different rotor orientation signal inputs to accommodate differences between ECM motor types. The motor controller in...  
WO/2017/163450A1
In a system according to an embodiment, a rotating electrical machine is a permanent magnet type configured by forming magnetic poles of a rotor using permanent magnets. An inverter generates an AC voltage by switching and outputs the vo...  
WO/2017/159072A1
The present invention addresses the problem of reducing or minimizing a harmonic loss that occurs when an alternating-current motor is driven in an over-modulation region. The final correction signal wave is changed from zero to a synchr...  
WO/2017/158861A1
This electronic control device is provided with first and second system inverter circuits which drive a multi-phase motor having first and second winding pairs by upper arm switching elements and lower arm switching elements that are sel...  
WO/2017/159160A1
The present invention makes it possible to detect an abnormality between redundant systems involving a short circuit between the motors of redundant systems. This motor actuator is provided with: a first inverter circuit that controls th...  
WO/2017/158680A1
Provided is a three-phase redundant motor device (50) for electric power steering devices which, when increasing the supply current to a normally operating set of three-phase windings is increased, is able to control the increase in supp...  
WO/2017/158681A1
Provided is an electric motor control system capable of increasing the torque of an electric motor in order to ensure steering performance even when an abnormality occurs, and an electric power steering device. This electric motor contro...  
WO/2017/159091A1
Provided is a motor control apparatus. In this motor control apparatus, a first switching circuit group (41) and a second switching circuit (42) respectively provided between first and second microcomputers (21 and 22) and first and seco...  
WO/2017/154523A1
A rectifier circuit for rectifying an AC voltage supplied from a commercial power supply into a DC voltage, a smoothing capacitor for smoothing the output of the rectifier circuit, and an electrically powered tool for supplying the smoot...  
WO/2017/154239A1
The invention of the present application pertains to a motor drive device and a method for detecting phase current in a motor drive device, and more specifically pertains to a technique for detecting the phase current of three phases, us...  
WO/2017/155572A1
A multi-level high-speed adjustable speed drive has a plurality of modular multilevel, 3-phase inverter bridges, wherein the multilevel, 3-phase inverter bridges operate with fundamental frequency, f, wherein the multilevel, 3-phase inve...  
WO/2017/150640A1
A power conversion device (100) is provided with: a first invertor (120) connected to one end of a winding (M1, M2, and M3) of each phase of a motor; a second invertor (130) connected to the other end of the winding of each phase; and a ...  
WO/2017/150689A1
In the present invention, a PI duty calculating unit of a microcomputer that performs control at a predetermined control cycle calculates a duty ratio of voltage to be applied to a coil of a motor, from a target rotational speed and an a...  

Matches 1 - 50 out of 31,142