Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 301 - 350 out of 9,145

Document Document Title
WO/2011/000456A3
The invention relates to an electric motor and an installation comprising electric motors, provided with a terminal box comprising a lower part fixed to the motor housing or embodied as a single element therewith, and an upper part that ...  
WO/2011/074972A1
Complete drive system, called motor-drive unit, for use in remote locations with limited radial space like downhole, narrow tunnels, pipelines and other applications with similar conditions. Given the spatial limitations the unit must ha...  
WO/2011/028895A3
A system (30) for managing energy consumption in a heave-compensating drawworks includes a power supply (40), a winch drum (28) connected to the power supply (40) so as to receive power from the power supply, a flywheel (52) connected to...  
WO/2011/064970A1
Provided is a load drive system which is small in size and has a high noise suppression effect irrespective of the control duty even when a load drive system that includes three 3-phase inverters is constructed. The load drive system com...  
WO/2011/057692A1
A machine for processing food products in at least one basin (12a, 12b) with the use of a mixer (13a, 13b) activated by a motor (11a, lib) controlled by an inverter (10a, 10b), in turn in communication with an electronic card with a micr...  
WO/2010/046008A8
The invention relates to a drive assembly for motorized adjusting of an adjusting element (1) in a motor vehicle, wherein the drive assembly comprises two electric drives (2, 3) and a control device (4), wherein the drives (2, 3) act in ...  
WO/2011/052722A1
Provided is a cooperative control device capable of advanced cooperative control. The cooperative control device for cooperatively controlling a plurality of control objects is provided with a pair of output control systems, a pair of cr...  
WO/2011/045966A1
Disclosed is a hybrid vehicle driven by means of a power unit which is provided with: a first rotary machine comprising a first rotor, a first stator and a second rotor, and in which the number of magnetic poles occurring in an armature ...  
WO/2011/040168A1
The disclosed device suppresses aliasing during current sampling whilst using an arithmetic processing unit having limited processing capacity and even when the electric motor rotational speed is high. The disclosed control device for co...  
WO/2011/040169A1
A control device is provided with: a carrier frequency setting unit (52) that sets a frequency selected from among a plurality of carrier frequencies, individually, to each of a plurality of inverters; and a switching timing table (100) ...  
WO/2011/040159A1
Disclosed is a control device in which the computation cycle for internal processing done by a voltage-control unit is optimized and the computational load involved in controlling an AC motor is reduced. Said control device uses vector c...  
WO/2011/028895A2
A system (30) for managing energy consumption in a heave-compensating drawworks includes a power supply (40), a winch drum (28) connected to the power supply (40) so as to receive power from the power supply, a flywheel (52) connected to...  
WO/2011/024935A1
In the provided anomaly detection device for a permanent magnet synchronous electric motor, a magnet temperature anomaly detection unit (30) provided in a microcomputer (5) calculates the rate of change d(|Φml − Φmr|)/dt in the diffe...  
WO/2010/136369A1
The invention relates to a nacelle for receiving an aircraft engine (2), comprising a fixed tubular cowl and at least one mobile portion connected to the fixed cowl by a means for moving the mobile portion between a near position and a s...  
WO/2010/131361A1
A host device (1) is provided with a command pattern change section (8). A detector (3) is provided with a communication parameter change section (34). A motor drive controller (2) is provided with a communication parameter change sect...  
WO/2010/118646A1
A motor, control method thereof and clustered control system for multiple motors. The motor includes a stator, a rotor and a motor controller (2). The motor controller (2) is connected to a network interface circuit module NIC (3), which...  
WO/2010/116840A1
An induction motor group control system connects a magnetic energy regenerative switch (3) in series to an induction motor (2) directly driven by a commercial power supply, and controls the generation of reactive power in such a manner t...  
WO/2010/102998A1
The invention relates to a device for generating a torque on an output member (3) in response to a torque setpoint, comprising: a first driving member comprising at least one motor (1) with a first power, or small motor, with a shaft (2)...  
WO/2010/089225A1
The invention relates to an activation circuit for an electromagnetic gear brake, having a control unit (3), having a first shifting unit (4) that can be activated by the control unit (3), having a second, pulse width modulated shifting ...  
WO/2010/088009A1
A method for mapping a motion of a first object within a first motion path defined by a path planner based on a second motion path of a second object. The method includes creating the first motion path for the first object using the path...  
WO/2010/060777A3
The present invention deals with a system (10) and method for power distribution. The proposed system (10) comprises a plurality of generator systems (12, 14, 16, 18), each generator system (12, 14, 16, 18) comprising an alternating curr...  
WO/2010/073866A1
In a hybrid drive device provided with an engine, drive wheels, first and second motors, and a transmission mechanism, the reliability of sensorless vector control of one of the motors is improved, the time required for determining the i...  
WO/2010/063512A2
The invention relates to a controller structure for more than two drive units (10) which are mechanically coupled to a movable element (1). The controller structure has a position measurement device (4) for determining an actual position...  
WO/2010/060777A2
The present invention deals with a system (10) and method for power distribution. The proposed system (10) comprises a plurality of generator systems (12, 14, 16, 18), each generator system (12, 14, 16, 18) comprising an alternating curr...  
WO/2010/050267A1
A vacuum cleaner is provided with a cleaner body (11) which contains electric blowers (15A, 15B), and a control means (16) which independently controls driving of the electric blowers (15A, 15B). The control means (16) is provided with ...  
WO/2010/046008A1
The invention relates to a drive assembly for motorized adjusting of an adjusting element (1) in a motor vehicle, wherein the drive assembly comprises two electric drives (2, 3) and a control device (4), wherein the drives (2, 3) act in ...  
WO/2009/158359A3
Some disclosed embodiments include apparatus and methods for transferring existing data from a source motor to a target motor. The existing data can be transferred from the source motor to the target motor by retrieving the existing data...  
WO/2010/020392A1
The present invention relates to an ac generator (DOG1) comprising a plurality of galvanically-isolated multi-phase stator windings (sometimes called poly-phase stator windings). Each stator winding has a plurality of coils and is connec...  
WO/2010/015112A1
A system for driving asynchronously multiple motors by one inverter (6) and for realizing frequency variation and speed adjusting of rotors includes a motor set (1), a rectifier set (2), a chopper set (3), an isolator set (4), a current ...  
WO/2010/008740A2
Apparatus, methods, and computer storage media provide for the establishment of a parallel motor controller architecture and the dynamic reconfiguration of the architecture to redirect power to various motors according to the changing po...  
WO/2009/158359A2
Some disclosed embodiments include apparatus and methods for transferring existing data from a source motor to a target motor. The existing data can be transferred from the source motor to the target motor by retrieving the existing data...  
WO/2009/135342A1
A system for realizing simultaneously frequency variation and speed adjusting of rotors and making one inverter (6) drive asynchronously four motors is composed of a motor unit (1), a rectifier unit (2), a current limiter unit (3), a cho...  
WO/2009/128216A1
Provided is a motor device comprising a motor and a drive control circuit for controlling driving of the motor. The drive control circuit is provided with a control unit for generating a control signal for controlling the rotation of the...  
WO/2009/119246A1
Provided is a control system of a dynamo electric machine wherein a torque generated from a dynamo electric machine serving as a motor is limited when a failure of a voltage conversion section is detected for the purpose of protecting a ...  
WO/2009/054727A3
The present invention relates to a system for controlling rotational speed on a rotating process machine (P), which for example is a turbine or a propeller, where the rotating process machine (P) is connected to at least one motor (M1) a...  
WO/2009/101729A1
If any short-circuit failure occurs in an inverter (14), then a motor generator (MG2) is used to execute a safety driving. If the rotational speed of a motor generator (MG1) calculated from a detection value of a position sensor (22) exc...  
WO/2009/095094A1
The invention relates to a rectifier arrangement (2) having at least three independent drive units. According to the invention, said three drive units comprise two four-phase rectifiers (41, 42) and three electric motors (6, 8), wherein ...  
WO/2009/091940A1
A power distribution system is provided for supplying power to a variable speed motor for rotating a shaft. The system comprises a variable speed prime mover adapted to generate an A/C output having a variable frequency corresponding to ...  
WO/2009/056949A3
An electric drive comprises a plurality of synchronous motors (2, 3, 4), a line (5) for powering the motors (2, 3, 4), a control unit (6) that powers the line (5) inside it to modulate supply voltage of the motors (2, 3, 4); the control ...  
WO/2009/087915A1
It is possible to easily detect a failure of each of AC motors electrically connected in parallel and driven by a single motor drive device. More specifically, by detecting a power cable disconnection or grounding, it is possible to prot...  
WO/2009/083031A1
The present invention relates to servo controller for controlling a plurality of motors including a master motor (M1 ) and a slave motor (M2) cooperatively driving a movable member. The servo controller is configured to control the maste...  
WO/2009/084358A1
Provided is a rotating electric machine control system which, in a hybrid system including a pair of rotating electric machines for receiving power supply from a common battery, one rotating electric machine serving as a generator and th...  
WO/2009/084359A1
Provided is a rotating electric machine control system which, in a hybrid system including a pair of rotating electric machines for receiving power supply from a common battery, one rotating electric machine serving as a generator and th...  
WO/2009/081840A1
A motor unit which, when any of motors has wire breakage, does not continue to drive a driven member in that abnormal condition. The motor unit has the motors. The output shaft of the motors is engaged with the single driven member. The ...  
WO/2009/074640A1
The invention relates to a circuit for controlling a number of DC motors (M1, M2) capable of being controlled independently of one another, comprising, for each motor (M1, M2), an H-bridge (1A, 1B) made up of a first branch (3) and of a ...  
WO/2009/056949A2
An electric drive comprises a plurality of synchronous motors (2, 3, 4), a line (5) for powering the motors (2, 3, 4), a control unit (6) that powers the line (5) inside it to modulate supply voltage of the motors (2, 3, 4); the control ...  
WO/2009/058048A1
The invention relates to methods for controlling the rotational speed of the shafts of actuating mechanisms. The inventive device comprises a stator which is secured on an input shaft and electrically connected to a current-transmitting ...  
WO/2009/057545A1
To provide a control method wherein only a single general external interface is used to successfully communicate with the driven spindle-specific control parts of multi-spindle movement drivers. In the multi-spindle movement driver contr...  
WO/2009/054727A2
The present invention relates to a system for controlling rotational speed on a rotating process machine (P), which for example is a turbine or a propeller, where the rotating process machine (P) is connected to at least one motor (M1) a...  
WO/2007/001800A3
A digital motor control system (Fig 4) utilizes time duration electric pulses generated by digital logic (10, 13, 18, 19) to control the motor speed and direction of rotation of a D C or A C motor (30) The digital logic (10, 13, 18,19) p...  

Matches 301 - 350 out of 9,145