|
Match
|
Document |
Document Title |
|
|
7608950 |
Traction motor shaft connected to vehicle ground via drive gear
In order to prevent bearing currents, particularly in converter-operated traction motors ( 1 ), the housing ( 11 ) is grounded via a grounding capacitor (C ground ).
|
|
|
7605512 |
Method of designing a reluctance resolver
A method of designing a reluctance resolver, and the resolver comprises a stator and a rotor, and an exciting coil and two sets of outputting wires wind around the tooth portion of the stator. The...
|
|
|
7602090 |
Gearing drive unit comprising an electronics interface
Gear drive unit ( 10 )—combinable with various plug-in modules ( 34, 82, 94, 110 )—with an electric drive motor ( 12 ) featuring an armature shaft ( 16 ) and at least one housing part ( 18 )...
|
|
|
7595574 |
Polyphasic multi-coil generator
A polyphasic multi-coil generator includes a drive shaft, at least first and second rotors rigidly mounted on the drive shaft so as to simultaneously synchronously rotate with rotation of the drive...
|
|
|
7589445 |
Linear actuator comprising a brushless polyphase electric motor
A linear actuator includes a brushless polyphase synchronous electric motor having a stator and a rotor. The rotor acts on a control element via a driver which can transform the rotation movement...
|
|
|
7589444 |
Brushless motor and cooling fan
A rotor unit of a brushless motor includes a substantially cylindrical rotor magnet and a rotor holder arranged to retain an outer circumferential portion of the rotor magnet. A stator unit of the...
|
|
|
7589443 |
Motor
A motor includes a sensor which magnetically detects an angular position centered about a central axis of a rotor core with respect to an armature. The sensor preferably includes a yoke which has a...
|
|
|
7586225 |
Hybrid transmission motor module with integral wire connections
A hybrid transmission includes two electric motor modules and a plurality of planetary gear sets operatively connectable to the motor modules and to an engine. The motor modules each include...
|
|
|
7576459 |
Electric machine with fluid supply control system
An electric machine includes a fluid control system that is configured to regulate the flow rate of fluid to the electric machine. The machine includes a sensor that senses a parameter...
|
|
|
7557480 |
Communicating magnetic flux across a gap with a rotating body
An electromagnetic actuator includes a body having a rotational axis, a first pole adjacent an end facing surface of the body, and a second pole adjacent a lateral facing surface of the body. The...
|
|
|
7541704 |
Electric machine including a brush-holder support having flex foil, as well as a method for producing a brush-holder support
An electric machine includes brushes and a brush-holder support in which an electrical connection of components of the brush-holder support is realized with the aid of a flex foil. Furthermore, a...
|
|
|
7538460 |
Integrated resolver for high pole count motors
An AC synchronous motor, also known as a stepper motor, uses its magnetics and drive coils to produce both motion and excitation for sets of position sensing coils. Each drive phase is equipped...
|
|
|
7518273 |
Motor
In a motor, an sensor magnet is attached to a shaft and three Hall sensors for detecting the position of the sensor magnet are mounted on a circuit board. By using neodymium-iron-boron base rare...
|
|
|
7508193 |
Encoder
To easily manufacture an encoder, in which N-poles and S-poles of magnets are arranged alternately in a circumferential direction and in which an unequal pitch portion is provided in a part on a...
|
|
|
7508102 |
Brushless motor having a circuit board having a central hole and escape holes
In a brushless motor of the present invention, by disposing an electronic circuit board and a rotary magnet close to each other, detection precision of a magnetic pole of a Hall IC is enhanced, and...
|
|
|
7504785 |
System for controlling an electrostatic stepper motor
A system to control the fixed mass/spring mechanical resonance of the motor in conjunction with a model of the motor that estimates the present position and allows the determination of the motor...
|
|
|
7501730 |
Brushless synchronous motor
A brushless synchronous motor includes a stator having a plurality of phase coils, a rotor disposed opposite the stator, a magnetic sensor for detecting a rotation angle of the rotor, a power...
|
|
|
7498701 |
Controller-integrated rotating electrical machine
A controller-integrated rotating electrical machine includes: a power element disposed adjacent to a rotating electrical machine main body and controlled to perform control of energization to the...
|
|
|
7479717 |
Turbomachine having a device for automatically detecting ferromagnetic particles in an oil enclosure
A turbomachine having a longitudinal axis, the turbomachine comprising an annular rotor centered on the longitudinal axis of the turbomachine, an annular stator disposed coaxially around the rotor,...
|
|
|
7453175 |
Brushless motor
A second bracket part for holding a resolver stator of a resolver as position detecting means is inserted in an opening hole in a first bracket part. An expanded part formed in the second bracket...
|
|
|
7439642 |
Brushless DC motor and magnetic compensation method thereof
A magnetic compensation method for a brushless DC motor. The method of magnetic compensation for the motor provides the magnetic element disposed adjacent to the magnetic sensor to compensate the...
|
|
|
7411326 |
BLDC motor and pump assembly with encapsulated circuit board
A BLDC motor assembly and method for manufacturing same is disclosed. The motor has a housing, a shaft supported for rotation within the housing, a stator disposed within the housing for generating...
|
|
|
7406149 |
Permanent magnet type motor and X-ray computed tomography apparatus
A permanent magnet type motor comprising a rotor main body rotatably supported with respect to a stationary member, a rotor which is provided on an outer periphery face of the rotor main body and...
|
|
|
7402926 |
Actuator device
An actuator device includes a drive motor, a reduction mechanism, which includes gears, an output shaft coupled to the reduction mechanism, and a connector assembly. The connector assembly includes...
|
|
|
7400076 |
Rotating electric machine and method and device for positioning rotational position sensor for the machine
The rotating electric machine has a stator coil wound around a stator, a magnetic pole and a signal rotor fixed to a rotor, and a detection stator, disposed opposite to the signal rotor, for...
|
|
|
7400071 |
Selectively configurable electric motor
A selectively configurable electric motor comprises a stator and a plurality of poles electrically coupled to the stator. The selectively configurable electric motor also includes an actuator...
|
|
|
7394176 |
Electric drive with sensor mounted on printed circuit board
An electric drive ( 1 ) with a motor housing ( 16 ), a bearing plate ( 4 ), an electrically insulating brush holder plate ( 3 ) with formed-on plug housing ( 11 ), a printed circuit board ( 13 )...
|
|
|
7394174 |
Brushless D.C. motor
The brushless direct current motor comprises a housing 10 , a stator 13 and a rotor 11 within the housing, windings on the stator, sensors for sensing the position of the rotor relative to the...
|
|
|
7388367 |
Method for determining the rotor position of a synchronous machine
The invention relates to a method for determining the rotor position of a stationary or slowly rotating synchronous machine by evaluating electrical test pulses that are obtained by applying...
|
|
|
7385318 |
Positioning system, magnetic bearing, and method of controlling the same
A stage system and a control method therefor. In one aspect, the stage system includes a stage which is going to be positioned, a magnetic material member provided on the stage, electromagnets...
|
|
|
7378767 |
AC dynamo electric machine with magnetic reluctance portion linking rotational position detector to AC dynamo electric machine body
An AC dynamo electric machine for a motor vehicle includes an AC dynamo machine body 100 composed of a rotor 10 constituted by a first rotatable shaft 12 supported rotatably by a pair of...
|
|
|
7372223 |
Electric drive control apparatus and method
An electric drive apparatus has an electric motor having a rotor and a stator; and a magnetic pole position detecting portion having a sensor rotor attached to the rotor, and a sensor stator that...
|
|
|
7362018 |
Encoder alternator
An encoder alternator for an internal combustion engine has a rotor with a plurality of circumferential magnetic rotor poles in a periodic pattern except for at least one magnetic irregularity. A...
|
|
|
7358629 |
Electromagnetic actuator
The rotational torque of an electromagnetic actuator having a stator and rotor, such as a stepping motor, is increased. The electromagnetic actuator includes a rotor ( 30 ) having multiple...
|
|
|
7348699 |
Encapsulated motor
A canned motor providing a rotor having a rotor shaft; a can having a cylindrical wall which is closed at one end; and a stator, the cylindrical wall of the can being inserted between the rotor and...
|
|
|
7345389 |
Motor, motor having encoder, and multi-direction input device
A motor includes a casing and a holder which support a rotation shaft. A concave groove is formed in the holder near the inner periphery of the holder. The concave groove accommodates a positive...
|
|
|
7339297 |
Drive for an elevator installation with integrated sensor
A drive for an elevator installation which drives a car and a counterweight with supporting and driving belts includes a drive shaft and a drive pulley. A motor is arranged at either side of the...
|
|
|
7339294 |
Vehicular starting and charging rotary electric machine
A vehicular starting and charging rotary electric machine includes a rotor, a stator, brackets, a brush, and a rotation detection sensor. The rotor has a field winding. The stator has a stator...
|
|
|
7336007 |
System and method to control a rotary-linear actuator
A system and method are disclosed for controlling an integrated rotary-linear actuator system that may be coupled to a network via a network interface. The integrated rotary-linear actuator system...
|
|
|
7332839 |
Electric machine having a laminated core with a portion jutting from the outer surface to form a gap for a flux sensor
An electric machine includes a stator and a rotor interacting with the stator, wherein the stator and/or the rotor has/have a conducting device for guiding a magnetic flux. The conducting device...
|
|
|
7327056 |
Marked hub for sensing motor speed
A motor hub is disclosed. The motor hub comprises a housing for a motor. The housing is rotatable around an axis of rotation of the motor. The motor hub also has marks arranged on a surface of the...
|
|
|
7323835 |
Brushless DC motor actuator having remote commutation sensing apparatus
A brushless DC motor and Hall Effect commutation sensors are mounted on a common circuit board, and ferromagnetic elements partially embedded in the motor stator in proximity to the periphery of...
|
|
|
7323798 |
Microwave displacement measurement system for an electrodynamic direct drive
An electrodynamic direct drive includes an armature that travels within a housing and a drive system for moving armature in relation to housing. The drive system has two drive means, that are moved...
|
|
|
7317273 |
Electromagnetic actuator and portable device having the same
An electromagnetic actuator includes a cylindrical stator made of a permanent magnet and having annular end faces magnetized to plural magnetic poles, a coil securely disposed in a hollow portion...
|
|
|
7317270 |
Electric machine with transducer system
An electric machine includes a stator, a rotor, an electrically insulated bearing unit for supporting the rotor, a transducer system, and at least one torque support for connecting the transducer...
|
|
|
7312545 |
Controller for electric power steering and electric power steering system
An electric power steering drive system provided with a motor with its torque pulsation reduced, and a controller characterized by excellent manufacturability. The stator core of a motor is...
|
|
|
7309936 |
Resolver with waterproofing elements
To obtain a resolver in which the winding portion is prevented from breaking by corrosion caused by water. The resolver includes: a stator core in which a plurality of pole teeth are formed inside...
|
|
|
7307368 |
DC motor
A direct current motor including a rotor having a rotation shaft and rotor coils, a stator configured to apply a magnetic field to the rotor via magnetic poles of the stator opposing magnetic poles...
|
|
|
7304446 |
Sensorless and brushless DC motor
A sensorless and brushless motor is disclosed including a stator, a rotor, a control circuit and an induction coil ( 50 ). The stator includes a stator core ( 30 ) and a stator coil ( 34 ) wound...
|
|
|
7298062 |
Motor, control circuit member and manufacturing method of motor
A brush holder is installed to a motor main body and has a connector arrangement, which is directly connectable with an external connector to receive electric power. The brush holder holds a...
|