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Patent Searching and Data


Matches 251 - 300 out of 13,577

Document Document Title
WO/2013/113051A2
A method for monitoring the short-circuiting switching device of a three-phase motor (3) for the drive for vehicles, which switching device is fed from a DC voltage source (1) via a controlled converter (2), wherein the short-circuiting ...  
WO/2013/025753A3
A system for operating a compressor. The system includes a motor, an inverter bridge, a voltage detection circuit, and a controller. The motor has a stator and a rotor. The inverter bridge is configured to provide a voltage to the stator...  
WO/2013/095721A2
This disclosure is directed to a traction motor drive system (200). The traction motor drive system (200) may include a field winding subsystem (202) comprising a field winding (105) associated with a traction motor (103). The traction m...  
WO/2012/131506A3
An electric motor arrangement comprising an electric motor and a controller, wherein the electric motor includes a stator having a plurality of coil windings, and a rotor having a plurality of permanent magnets, and the controller is arr...  
WO/2012/078369A3
A Complex Adaptive Phase Discriminator (PD), as presented in some concepts of the present disclosure, is an adaptive filter that accurately estimates the instantaneous frequency of a dynamic complex signal. The PD can demonstrate accurat...  
WO/2012/112430A3
A centrifuge includes a regenerative braking safety system including an electrical system reversibly coupled to a power source. A motor is coupled to the electrical system. The motor is capable of driving a rotor using power delivered th...  
WO/2012/149996A3
The invention relates to a drive system and a method for operating a drive system which has at least one electric motor which is fed by a converter, wherein the converter and the motor are connected via a cable system, in particular a hy...  
WO/2013/076161A2
An actuator comprising at least one multiphase motor (100) having phases (101) facing a rotor (102) secured to an outlet shaft associated with a braking member (2) and provided with means for connecting it to a movable element that is to...  
WO/2012/130498A3
The invention relates to a control unit (40) for driving an electric load, in particular an electric machine, having a first and a second voltage terminal (46, 48) in order to supply the control unit (40) with electrical energy, a capaci...  
WO/2012/136212A3
A method for controlling an electric motor (2) is suggested, wherein at least one design limit of the electric motor (2) is complied with by controlling an increase and/or a decrease of the rotational speed of the electric motor (2).  
WO/2013/074358A1
A power converter includes an active front end (AFE) that is coupled by a dc link stage to a plurality of H-bridge inverters. One or more multi-phase electromagnetic energy conversion devices, such as transformers or electric machines, w...  
WO/2013/067479A1
Embodiments may disclose a safety system for controlling an operation of a machine operated by an operator wearing an article of luminescent clothing, the system including a luminescent sensor configured to emit ultraviolet light toward ...  
WO/2013/064928A1
A system and method for stopping a wind turbine in a battery charging circuit includes a step to terminate battery charging by opening a first switch between an electrical generator coupled to the wind turbine and the battery. A second s...  
WO/2013/060652A1
The invention relates to a device for controlling the connection/disconnection of the power supply of a windscreen wiper motor (WM) of a motor vehicle. This device comprises at least one quick disconnect switching circuit (1) inserted be...  
WO/2013/059915A1
A method of operating an electric motor having a motor assembly that includes a rotor and a stator. The method includes providing the electric motor in a neutral state, and from the neutral state, determining whether to operate the elect...  
WO/2013/049302A2
Braking current generated by an electrical motor on mining equipment during a retard interval is switched through one or more grid resistors that are liquid cooled. Under low ambient temperatures, a heating current can be switched throug...  
WO/2013/034253A1
The invention relates to a drive assembly for the motorized adjustment of an adjusting element (1) of a motor vehicle, wherein at least one drive (2) having an electrical drive motor (3), in particular a direct current motor, and a drive...  
WO/2013/025753A2
A system for operating a compressor. The system includes a motor, an inverter bridge, a voltage detection circuit, and a controller. The motor has a stator and a rotor. The inverter bridge is configured to provide a voltage to the stator...  
WO/2013/020544A1
The invention relates to a method for operating an electric motor in a generator mode, said electric motor being connected to at least three phases of a power supply network. An energy that is to be fed back into the power supply network...  
WO/2013/015791A1
An electric motor system having a power supply, an electric motor connected to the power supply, an object driven by the motor having a range of motion and a substantially neutral position within the range of motion, a power sensor confi...  
WO/2012/020348A3
An electric motor comprising a stator having a plurality of coils, a rotor having a plurality of permanent magnets and a controller that is arranged to provide a voltage to the plurality of coils to generate a current through the coils t...  
WO/2013/005388A1
This motor control device computes a correction value with a deviation correction unit when a move command generation unit has detected an emergency stop executed by an emergency stop command unit and transmission of a move command from ...  
WO/2012/013982A3
A method of dissipating electrical energy, the method comprising: switching on a second switching device to cause current to flow in a load resistor under control of a first resonant network and to ensure the voltage across a first switc...  
WO/2012/171330A1
A food processing apparatus having a rapid braking device, comprising a food container (5) having a top lid (1) that can be opened, the food container (5) being disposed with a motor (6) inside and a cutter head (4) disposed on the motor...  
WO/2012/165042A1
The present invention enables an actuator drive motor at which an anomaly such as failure has occurred to be halted/arrested in a shorter period of time without adopting a mechanical brake mechanism. The present invention is an electric ...  
WO/2012/164637A1
Provided is a brake apparatus for a generator, wherein brake operation can be executed with reliability even with an extremely simple structure, standby power is unnecessary during normal operation, and mounting and maintenance thereof c...  
WO/2012/156252A2
The invention relates to a device for managing electric braking power (1), which device comprises a continuous bus (10), said continuous bus including: a connection pole (12) connecting to an electric traction machine (21) of a vehicle, ...  
WO/2012/156251A2
The invention relates to a device for managing electric braking power (1), which device comprises a continuous bus (10), said continuous bus including: a connection pole (12) connecting to an electric traction machine (21) of a vehicle, ...  
WO/2011/144634A3
The invention relates to a method for moving an element, which is driven by an electric motor inside a predetermined movement section between two block positions each formed as a limit stop, into a block position, characterized in that, ...  
WO/2012/024251A3
A drive system (100, 100a-c) for an electric drive machine (102, 102a-c) having an engine (104, 104a-c), a generator (106, 106a-c), a motor (108, 108a-c), final drive wheels (110, 110a-c) and auxiliary devices (116, 116a-c) is provided. ...  
WO/2012/134471A1
A power tool includes a housing, an electric motor mounted in the housing, and a switching device for reversing rotation direction of the motor. The switching device includes an actuator slidably secured to the housing and movable betwee...  
WO/2012/128102A1
The invention is related to a means for controlling the driving of a motor (6) including a motor used in, for example, an electric vehicle and using a battery as a power supply, and is applied to a motor driving device (20) equipped with...  
WO/2011/113566A3
The invention relates to a method for operating a drive system and to a drive system, wherein the drive, in particular comprising a converter-fed electric motor, comprises a brake that can be actuated, wherein at a trigger point for test...  
WO/2012/112430A2
A centrifuge includes a regenerative braking safety system including an electrical system reversibly coupled to a power source. A motor is coupled to the electrical system. The motor is capable of driving a rotor using power delivered th...  
WO/2011/076827A3
The invention relates to an electrodynamic braking device for a universal motor, wherein a field winding is fed from a grid during a braking operation, and an armature is directly short-circuited, and a braking process is performed by me...  
WO/2012/055644A3
The invention relates to a power tool braking device, in particular a hand-held power tool braking device, of a portable power tool (12a; 12b; 12c) having at least one magnetic field braking unit (14a; 14b; 14c). According to the inventi...  
WO/2012/055648A3
The invention relates to a power tool braking device, in particular a hand-held power tool braking device, of a portable power tool (12a; 12b; 12c; 12d; 12e) comprising at least one magnetic field braking device (14a; 14b; 14c; 14d; 14e)...  
WO/2012/055653A3
The invention relates to a power tool braking device, in particular to a portable power tool braking device, for a portable power tool (12a; 12b; 12c) having at least one magnetic field braking unit (14a; 14b; 14c). It is proposed that t...  
WO/2012/055647A3
The invention relates to a power tool braking device, in particular a hand-held power tool braking device, of a portable power tool (12a; 12b; 12c; 12d) having at least one magnetic field braking unit (14a; 14b; 14c; 14d). According to t...  
WO/2012/080813A1
The present invention relates to an optimized braking method of a single-phase electric motor, as well as to a single-phase electric motor implementing such method. The method for braking a single-phase electric motor (10) comprising a r...  
WO/2012/078369A2
A Complex Adaptive Phase Discriminator (PD), as presented in some concepts of the present disclosure, is an adaptive filter that accurately estimates the instantaneous frequency of a dynamic complex signal. The PD can demonstrate accurat...  
WO/2012/069755A1
The invention is aimed at doing away with the drawbacks posed by the customary solutions for dissipating low energy of resistors, conventionally ceramics. They require in particular a significant volume of ceramic and an additional power...  
WO/2012/065637A1
The invention relates to a switching device (18) and to a method for terminating a braking process of a three-phase AC motor (1). In order to reduce the waiting time between the end of a braking process of an AC motor and possible restar...  
WO/2012/052600A1
The invention relates to a braking apparatus for braking the rotating part (1) of a hoisting machine. The braking apparatus comprises one or more brakes (3, 4), which contain altogether at least one movable brake shoe (5, 6), spring elem...  
WO/2010/099787A3
An electrodynamic braking device for a universal motor is proposed, wherein during a braking operation a field winding is supplied from a network, and an armature is directly short-circuited, and a braking operation is carried out using ...  
WO/2012/049357A1
The invention relates to a method in connection with a quick stop situation of an elevator, and also to a safety device (10) for implementing the method. In the method an activation process of a machinery brake (1) is started and also a ...  
WO/2012/047754A1
A kinetic energy recovery system ("KERS system") and motorcycle equipped with the same is disclosed. The KERS system may be mechanical, hydraulic, or a combination thereof. In an embodiment, motorcycle includes a rear wheel, an electric ...  
WO/2012/042788A1
This motor control device has a dynamic brake function of absorbing the energy of a motor to apply a brake to the motor. The motor control device comprises: a dynamic brake resistor; a thermal switch which is arranged adjacent to the dyn...  
WO/2012/028642A1
An assembly comprising a movable element being movable in relation to a base, a first electric motor for moving the element in relation to the base, the motor having one or more first windings each having at least two inputs, a first bra...  
WO/2012/024251A2
A drive system (100, 100a-c) for an electric drive machine (102, 102a-c) having an engine (104, 104a-c), a generator (106, 106a-c), a motor (108, 108a-c), final drive wheels (110, 110a-c) and auxiliary devices (116, 116a-c) is provided. ...  

Matches 251 - 300 out of 13,577