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Patent Searching and Data


Matches 101 - 150 out of 13,506

Document Document Title
WO/2017/017214A1
A braking energy recovery system (50) for an electric motor (62) comprises first regulator (52), energy storage device (54), second regulator (56), sensor (60), and controller (58). The first regulator (52) outputs a DC link voltage to t...  
WO/2017/008128A1
A bandsaw including: a bandsaw blade; an AC electric motor driving the bandsaw blade via a coupling; a hazard detector which produces a hazard detection signal when a hazardous situation is detected; and a control circuit which drives th...  
WO/2017/006485A1
A motor control devivce is equipped with: a converter circuit unit (11); a DC circuit unit (12); an inverter circuit unit (13); a bus line voltage detection unit (14); a frequency command generation unit (16) that outputs a frequency com...  
WO/2016/198196A1
This invention relates to a linear type actuator unit, said actuator unit (100), including an electric motor (1) driving a linear actuator (2) of, said motor (1) having a casing (11), a stator (14,15) fixed to the casing, a rotor (13) fi...  
WO/2016/193559A1
The invention relates to a system for dissipating (10) regenerated electric energy produced by an electric actuator (1) of an aircraft, the dissipating system (10) including: a resistor (R); two switching arms (12, 13), each switching ar...  
WO/2016/189671A1
This motor control device is for controlling a motor having variable-magnetic-force permanent magnets, and includes: a control part for controlling the operation of an inverter that supplies alternating-current power to a motor; and a st...  
WO/2016/185099A1
The invention relates to a method for utilizing waste energy. According to the invention, waste energy produced during braking of at least one drive motor which is part of a paperboard product manufacturing line is recovered and used for...  
WO/2016/147007A1
A motor arrangement comprising: motor having a rotor, a stator, and a plurality of windings mounted on one of the rotor and the stator for acting on the other of the rotor and the stator, and a plurality of inputs coupled to the windings...  
WO/2016/136815A1
Provided is an electric power system capable of rapidly slowing an electric motor and quickly discharging a capacitor when an abnormality occurs. If an abnormality detection device (30) detects an abnormality, a control device (34) of an...  
WO/2016/137817A1
A dynamic arresting mechanism for preventing injury from the torqueing of a rotating tool body. The mechanism including an inertia switch to automatically detect the rotation of the tool body and selectively initiate a dynamic arresting ...  
WO/2016/121632A1
While a path between a DC power supply (1) and a smoothing capacitor (2) is in a shut-off state in regenerative control of an inverter circuit (30), a control circuit (40) of a power conversion device (100) carries out control by switchi...  
WO/2016/120457A1
The present disclosure relates to a motor drive unit (1) configured to operate a tap changer of an electromagnetic induction device. The motor drive unit (l) comprises an induction motor (M), a tap changer drive mechanism (5) arranged to...  
WO/2016/076708A3
An electromagnetic brake system is described, the system comprising: an AC generator having an AC output terminal, the AC generator being configured to be engaged with a mechanical driving unit and configured to generate an output voltag...  
WO/2016/113031A1
The invention relates to a mechanical drive (1) for actuating a moveable wing (5), comprising with an electric motor (22), the motor shaft thereof (24) being operatively connected to the wing (5) by means of a force transmission device, ...  
WO/2016/113012A1
The invention relates to a braking element for a moveable door leaf comprising an electric motor (22) driven as a generator, the motor shaft thereof can be rotated by moving the door leaf and a movement-dependent motor voltage (U(t)) whi...  
WO/2016/110927A1
A drive control system is provided with a hydraulic motor, a hydraulic oil supply device, an electric motor, an electricity storage unit, a drive device, and a control device. The drive device allows the electricity storage unit to suppl...  
WO/2016/106709A1
A method for braking a motor, comprising the steps of: operating the motor such that coils in the motor are energized when the motor operates; terminating operation of the motor so as to allow the motor to return to rest; characterized i...  
WO/2016/107707A1
The invention relates to a method for reliably controlling a braking torque of a drive system (1). In order to be able to reliably control the braking torque, it is proposed that the drive system (1) has a synchronous machine (2) and a c...  
WO/2016/102935A1
An assembly comprising: an electric motor (3) such as a switched reluctance motor; an electrical power source (8) for energising the stator coils (9) of the motor; and a control module (1) for controlling the motor. The control module (1...  
WO/2016/100991A1
The invention relates to a drive train comprising a drive shaft (2), a drive machine (4), and a planetary gearbox (3) having three drives and three outputs, wherein one output is connected to the drive shaft (2), one drive is connected t...  
WO/2016/101074A1
The invention relates to fluid drive systems used in fluid wells and brake systems for permanent magnet wellhead direct drives. The braking controller connects or disconnects a brake resistor from a back EMF. A variable frequency drive (...  
WO/2016/103486A1
[Problem] To simplify the configuration of a brake control system. [Solution] A brake control system 1 mounted in a vehicle 100, wherein the brake control system 1 has a motor M composed so that the field magnetic flux changes, a first d...  
WO/2016/092501A1
The invention provides a power regulating device (100) that regulates supply of power between two or more electrical systems (120,122). The power regulating device comprises a power stage (102) and a control board (104). The power stage ...  
WO/2016/085862A1
A braking system for a universal motor having field windings includes a motor control circuit connecting the field windings to an external power supply, an energy storage device connected to the motor control circuit across the field win...  
WO/2016/076708A2
An electromagnetic brake system is described, the system comprising: an AC generator having an AC output terminal, the AC generator being configured to be engaged with a mechanical driving unit and configured to generate an output voltag...  
WO/2016/072003A1
In conventional technology, one problem resulting from short-circuit braking that used voltage generated in a magnet motor during deceleration was that when the rotation speed decreased and the generated voltage fell, if the voltage gene...  
WO/2016/066330A1
The invention relates to a method and to a device for changing from the idle operating state of an electric motor (5) having three phase terminals (5-1, 5-2, 5-3) to a short-circuit operating state. Thereby significant voltage rises are ...  
WO/2016/012360A3
The invention relates to a method (100) for controlling an at least generator-operable, multi-phase electric motor (1), the phase connections thereof (U–Y) being connected in an active rectifier bridge (2) to a first direct current con...  
WO/2016/056471A1
The present invention provides a tubular motor that has a reduced number of components and that can be efficiently assembled even when a recess portion is provided in an output-side end face of an output-side end plate portion of a motor...  
WO/2016/051552A1
Conventionally, when a power conversion device and safety function unit are integrated, component and development costs are large, and the product price increases. A power conversion system according to the present invention is provided ...  
WO/2016/041601A1
The present invention relates to an electric machine assembly comprising an electric DC or AC machine having a plurality of power terminals for supply of a DC or AC generator voltage and receipt of a DC or AC input drive voltage. A motor...  
WO/2016/034310A1
The invention relates to a door drive (20) for driving a door leaf (14) of a building door in order to allow a building door to be conveniently actuated both manually and automatically using little energy. Said door drive comprises: a mo...  
WO/2016/030941A1
This control device 50 for electric rolling stock is provided with the following: an inverter 11 that receives electric power supplied from overhead lines 1 and drives an electric motor 12; a brake-chopper circuit 8 that comprises a swit...  
WO/2016/030250A1
The invention relates to a method for braking a compressor of a refrigeration device, of an air conditioning device, or of a heat pump, wherein the compressor comprises a brushless motor (100) having windings (130U, 130V, 130W) and compr...  
WO/2016/013430A1
This electric winch device is provided with: a required braking force derivation unit (44) that derives a required braking force which is the braking force required to stop a free-falling object at a position at an allowable stopping hei...  
WO/2016/008492A1
The present invention relates to a method for shutting down a wind power facility, said wind power facility comprising a power generator, a power converter comprising generator side and grid side converters being separated by an intermed...  
WO/2015/197103A1
An apparatus (100) may include a working assembly (220) configured to perform a work function responsive to operation of the working assembly, an electric motor (230) that powers the working assembly, a power source (210) configured to s...  
WO/2015/185410A1
A method is proposed for adjusting an actuator (300) of a positioning system (100). The positioning system (100) has an electronically commutated actuator drive (200) which is coupled to the actuator (300), wherein the actuator drive (20...  
WO/2015/182446A1
Provided is an elevator car movement control device capable of determining a light load direction without using a load sensor and a torque sensor at the time of a power failure and moving a car. A control unit of an inverter (80) for sup...  
WO/2015/177295A1
The invention relates to an electronic circuit (1,1a..1i) for a motor-driven door (5) of a rail vehicle (10), said electronic circuit having a series circuit of a first non-linear element (D1) and a first controllable switch (S1, T1) bet...  
WO/2015/062708A3
The invention relates to a drive system comprising an inverter and a motor powered from the inverter by supply lines, wherein an electromagnetically actuated brake is mounted at the motor and wherein said brake can be supplied and theref...  
WO/2015/132956A1
In an electric motor with brake having a holding brake function, a brake resistor (23) is equipped with three resistors (1, 2, 3). In a normal time, one end sides of the respective three resistors (1, 2, 3) are commonly connected to each...  
WO/2015/120757A1
An electromagnetic-braking linear motor system. In the system, a primary iron core of a linear motor is plate-shaped. The output end of a primary winding is parallely connected to a multiphase energy absorption resistor unit; alternative...  
WO/2015/114492A1
The present invention concerns an installation (1) for pumping hydrocarbons, comprising a pump (P) submerged in a well (W) and a motor (M) for driving the pump (P), said motor (M) being linked to a variable frequency drive (2) powered du...  
WO/2015/094232A1
A control system (48) having a motor (28) is disclosed. The control system (48) may include a converter (32) operatively connected to a power source (36), an inverter (34) operatively connected to the motor (28), and a controller (50) op...  
WO/2015/090755A1
The invention results in improved switching from the idling mode to an active short circuit mode of an electric machine. According to the invention, the switch from the idling mode to the active electric short circuit mode is delayed unt...  
WO/2015/095149A1
A catheter procedure system includes a bedside system having a percutaneous device, at least one drive mechanism coupled to the percutaneous device and at least one motor coupled to the at least one drive mechanism. The system also inclu...  
WO/2015/093872A1
The present invention relates to an apparatus and method for supplying hybrid power using regenerative power generated from an offshore plant. According to one embodiment of the present invention, provided is an apparatus for supplying h...  
WO/2015/093873A1
The present invention relates to an apparatus and method for supplying hybrid power using a regenerative power generated in a marine plant. An embodiment of the present invention provides a hybrid power supply apparatus in a marine plant...  
WO/2015/090756A1
The present invention provides a device and a method for changing over an electric machine from the regular operating mode into the open-circuit mode. In order to avoid excessive increases in voltage and associated adverse effects on the...  

Matches 101 - 150 out of 13,506