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7548008 Electrical machine with double-sided lamination stack  
The machine includes a rotor with an inner rotor core and an outer rotor core and a double-sided stator with an inner stator side and an outer stator side. The double-sided stator is concentrically...
7535328 Electromagnetic switch  
In an electromagnet switch, a stationary iron core is composed mainly of a base part and a disk part. The base part is faced to a plunger and the disk part is forcedly inserted and fixed to a boss...
7520148 Drum type washing machine  
In one aspect, a drum type washing machine includes, among other things, a tub supporter of metal between a wall of a tub and a stator, where the stator includes an annular helical type core having...
7511399 Stator assembly for an electrical machine  
The present invention relates to a stator assembly for an electrical machine, including a housing and a stator, in which the housing has at least one inward-oriented bead extending in the axial...
7485999 Electrical machine  
An electrical machine ( 10 ) has a built-in stator ( 11 ) which is mounted in a housing ( 12, 13, 14 ) by a built-in stator suspension, in particular in the form of a plurality of supporting rings...
7477026 Power steering assembly  
The invention provides for a power steering assembly and method of actuation for assisting a driver in moving the steerable wheels of a vehicle. The power steering assembly includes a housing that...
7430796 Method for winding the stator of a multiphase electric motor  
In a method for winding the stator of a multiphase electric motor a plurality of mutually spaced stator teeth are assigned to each phase, wherein all the teeth of the stator are wound without a...
7405505 Rotary electric machine  
A rotary electric machine includes a frame; a stator whose stator-slot number Ns is 12; a rotor whose rotor-pole number Np is 8, the rotor being disposed inside the stator. The frame has a frame...
7397163 Power generator stator assembly, a stator core module assembly, and a process for assembling a stator core module assembly within a stator frame  
A stator core module assembly ( 20 ) is provided which is adapted to be mounted to at least one structural element ( 16, 18 ) coupled to a stator frame ( 10 ). The stator core module assembly...
7391294 Electrodynamic machine  
A winding for a toroidal electrodynamic machine is formed by providing a set of bobbins in a rectilinear array, winding the bobbins so that each phase is of one continuous wire, with each set of...
7353586 Method of horizontally stacking a stator core within a stator frame  
The present invention provides a method for the horizontal stacking of laminations 10 and donuts to form a stator core. A stator generator frame 2 has multiple keybars 6 that run the axial...
7323800 Outer stator for reciprocating motor and manufacturing method thereof  
An outer stator of a reciprocating compressor comprises: a bobbin formed as a ring shape and provided with a winding coil therein; an outer stator frame coupled to an outer circumferential surface...
7235905 Electric power steering assembly  
An electric power steering assembly includes an electric motor, a reduction mechanism for reducing the speed of an output rotation of the electric motor, and a reduction-mechanism housing...
7224089 Linear motor with a segmented stator  
A linear motor having a fixed inductor and a moving part including windings and a stator. The stator includes a plurality of teeth defining a plurality of slots into which the windings are...
7202587 Method and apparatus for the mounting of and circumferential displacement of radial forces in a stator core assembly  
The present invention facilitates the placement of laminations 10 onto keybars 6 of stator generators frames 2 . Laminations need to be tightly fit onto keybars 6 , however, the same need for...
7183689 Torque motor having a segment design  
A torque motor having an annular rotor and an annular stator. The stator includes a stator frame with iron cores and electrical windings arranged thereon. The iron cores and the electrical windings...
7166984 Signaling and reduced torque ripple in brushless repulsion motors  
Brushless repulsion motors are presented, in which rotor coils switching signal detectors are selectively located in spaced angular relationship on the rotor and signaling sources are distributed...
7165653 Elevator gearless traction machine construction  
A flexible construction for an elevator gearless traction drive machine having a frame that is easily adaptable to traction sheaves of differing widths and diameters while providing the necessary...
7141908 Rotating electrical machine  
In a rotating electrical machine a stator winding is formed of flexible cables inserted in an open stator in the stator core. The stator slots extend from a radially outermost yoke part of the...
7120985 Manufacturing method of layered core  
A method of manufacturing a layered core. The method includes the steps of: arranging a first plurality of yoke parts to define a first configuration magnetic pole sheet layer having first and...
7116024 Electric motor and method for its production  
An electric motor having a stator with a plurality of radially arranged pole shoes between which slots are arranged, a rotor which rotates within the stator and has a rotor shaft which is mounted...
7103964 Method of manufacturing a circuit for an electrical machine  
A method of manufacturing a magnetic circuit for an electrical machine, the method comprising: using a cutting station to cut out at least one strip of sectors that are interconnected by...
7086137 Rotor assembly method  
A rotor and a method of constructing a rotor are disclosed. The rotor includes a hub that is capable of being supported by a shaft that extends along an axis, a plurality of laminations, and a...
7067953 Stator arrangement for an electric machine  
The invention relates to a stator arrangement for an electric machine having a stator ring that is closed at its inside circumference and has stator poles at its outside circumference, wherein the...
7045918 Apparatus and method for suspending a stator core of an electric generator  
An apparatus and method for suspending a stator core ( 100 ) in an electric generator upon a foundation ( 206 ), where two natural modes of vibration, including known second and third modes, are...
7042130 Electrical machine construction using axially inserted teeth in a stator ring or armature  
An electrical machine using a plurality of separate teeth that can be axially inserted into a stator ring or armature after receiving a bobbin or form wound coil. Each tooth contains a primary...
6975057 Rotary electric machine having a stator made up of sectors assembled together  
The invention relates to a rotary electric machine including a stator, powered by a polyphase current, having a magnetic circuit with teeth forming intervening slots for receiving electrical...
6949850 Stepping motor  
A rear casing (inner casing) 50 that fits into a front casing (outer casing) 40 , where a stator 20 is held between these casings 40 and 50 . The front casing 40 and the casing [SIC] 50 ...
6943479 Stator for an electrical rotating machine  
An electrical rotating machine in which the laminated magnetic circuit of an external stator includes a stack of yokes each made from a magnetic metal sheet and disposed substantially parallel to a...
6930416 Compliant stator  
A compliant stator motor is disclosed. In one implementation, the motor ( 200 ) includes a rotor ( 210 ), a stator ( 220 ) having main and auxiliary windings, an outer motor case ( 230 ), and a...
6927524 Rotary electric motor having separate control modules for respective stator electromagnets  
A rotary brushless electric motor is formed within a cylindrical rotor housing structure that surrounds an annular stator ring. The stator is formed of a plurality of individual power modules and...
6917134 Vehicle use ac generator  
To reduce noise, there is provided an alternator for motor vehicles having a rotor and a stator which is mounted between a pair of brackets. In the alternator a stator core forming the stator is...
6911761 Horizontal-axis electrical machine  
A horizontal-axis electrical machine has an built-in stator concentrically surrounded by a number of parallel retaining rings that spaced apart from one another in the axial direction and are...
6909211 Rotary electric machine with forced ventilation  
The present invention provides an electric machine with forced ventilation, the machine comprising: a rotor capable of rotating about an axis of rotation; a stator within which the rotor can...
6891307 Motor with a plurality of pole teeth  
A motor includes a plurality of core assemblies forming three phases, and a plurality of coil windings provided on the respective core assemblies, wherein one of the coil windings is wound in a...
6873077 Shell-shaped magnet  
Cup-shaped magnet for electric motors having two face surfaces, two lateral surface, and two top surfaces, which are curving between the face surfaces along the lateral surfaces, whereby the...
6865797 Apparatus for locating and stacking punchings for a generator core  
Punchings for stator core laminations of a generator stator frame are disposed on a rotary table to form annular arrays of punching, with each layer staggered relative to adjacent layers. A mandrel...
6864605 Brushless motor and electric power steering apparatus equipped with the brushless motor  
Brushless motor is provided which includes an outer stator and an inner rotor having a plurality of permanent magnets. One or inner surface of the outer stator, opposed to the inner rotor, is...
6847149 Brushless motor  
The motor ( 10 ) has a rotor ( 2 ) which can rotate around a rotation axis (A), and a specific number (N 1 ) of magnetic poles ( 12 ). Furthermore, the motor ( 10 ) has a stator ( 4 ) which is...
6844656 Electric multipole motor/generator with axial magnetic flux  
This invention relates to an electric multiple motor/generator with axial magnetic flux. Thus a generator/motor or electrical machine in which a magnetic flux path through one or more pole legs or...
6841904 Resolver terminal attachment structure  
A resolver terminal attachment structure for a resolver ( 500 ) including a stator core ( 1 ) constructed from multiple laminated plates providing multiple stationary magnetic poles ( 3 ) with...
6828708 Motor device including a thrust bearing having a thrust plate  
A motor device suppressed in tilt of the rotor shaft and improved in resistance to rotational vibration without enlarging the thickness direction. A stator plate 1 supports a radial bearing 3 ...
6821033 Electromagnetic actuator and shutter device for camera  
An electromagnetic actuator applied to a camera shutter device includes a rotatable disk-shaped rotor ( 10 ) magnetized with different polarities and having an output portion ( 10 b ), a first...
6815848 Air cooled electrical machine  
An electrical machine has a stator, a rotor, and radially extending coolant passageways provided in a laminated core section of at least the stator. The coolant passageways are defined between...
6781276 Generator for a windmill, stator module for use in such a generator and use of such a generator  
The invention concerns a generator for a windmill. The generator is of the kind being directly coupled to the main shaft of the wind rotor of the windmill. The generator is a stator consisting of a...
6775900 Method of forming a stator  
A stator and a method of forming the stator comprises providing a stator frame having a frame plate, and connecting key bars to the frame plate at respective connection points, each of the key bars...
6766572 Method of assembling a stator  
A stator comprises a stator frame, a plurality of key bars connected to the stator frame and a stator core. Each of the key bars has a dovetail. The stator core is formed by a pre-packaged stator...
6753636 Spindle motor for hard disk drives with improved running accuracy  
The invention related to a spindle motor for hard disk drives with improved running accuracy where the sheet metal package or the complete stator consisting of sheet metal package and windings is...
6741008 Stator for reciprocating motor  
A stator of a reciprocal motor includes a bobbin of insulating material with a coil wound thereon, a terminal unit formed integrally with the bobbin to connect the coil to an external power source,...
6741006 Magnet type stepping motor  
A magnet type stepping motor which has (1) a stator with three-phase stator windings, and 6m pieces of stator main pole arranged side by side, where m is an integer and ≧1, the stator windings of...
Matches 1 - 50 out of 450 1 2 3 4 5 6 7 8 9 >