|
Match
|
Document |
Document Title |
|
|
US20090273245 |
STATOR AND MOTOR
A stator core is formed by arranging divided cores ( 20 ) in a circumference direction in cylindrical shape. On an upper end surface ( 60 ) of a core back ( 50 ) of the divided core, holes ( 62, 64...
|
|
|
US20090162225 |
PUMP FOR LIQUID COOLING SYSTEM
A pump comprises a base ( 10 ), a case ( 20 ) fixed on the base, a rotor ( 30 ) received between the case and the base, and an inner stator ( 40 ) and an outer stator ( 50 ) accommodated in the...
|
|
|
US20090140600 |
WINDING MODULE OF PERMANENT MAGNET ELECTRIC MACHINERY
A winding module of permanent magnet electric machinery is described, in which coils of an electric machinery winding and a sensing device are integrally arranged. The winding module includes a...
|
|
|
US20090140526 |
STATOR AND STATOR TOOTH MODULES FOR ELECTRICAL MACHINES
An electrical machine comprising a rotor and a stator is provided. The stator includes a plurality of stator tooth modules configured for radial magnetic flux flow. The stator tooth modules include...
|
|
|
US20090134734 |
Ac motor and control unit thereof
The motor, which is an incorporated N-phased motor, comprises a rotor having four or more poles with N-poles and S-poles being alternately arranged in the circumferential direction, a stator having...
|
|
|
US20090127942 |
CONCENTRATED WINDING MACHINE WITH MAGNETIC SLOT WEDGES
Methods and apparatus are provided for improving operational characteristics of a concentrated winding machine. According to an example embodiment, an apparatus comprises stator teeth having distal...
|
|
|
US20090108699 |
Three-Phase Square-Wave Permanent Magnet Brushless DC Motor
This invention relates to a three-phase square-wave permanent magnet brushless DC motor for solving problems of the existing square-wave permanent Magnet Motor and sine-wave permanent magnet motor....
|
|
|
US20090096317 |
ROTATING MACHINE
There is provided a rotating machine including a stator and a rotor, in which the inner side surface (facing the stator) of the axial end structures of the stator is provided with grooves filled...
|
|
|
US20090096316 |
Pole piece structure of stator with radial winding
The present invention relates to a pole piece structure of stator with radial winding, which employs an optimum ratio α to define the form of the pole piece, increase the overlap region of...
|
|
|
US20090072641 |
GENERATOR HAVING A COOLING FLOW BIFURCATION MEMBER AND METHOD FOR CONTROLLING A COOLING FLOW
A cooling flow bifurcation member is positioned in an outside radial flow passage of a generator between an end portion of a stator core and a stator flange. The flow bifurcation member includes a...
|
|
|
US20090051233 |
ROTOR AND STATOR ASSEMBLIES FOR PERMANENT MAGNET ELECTRIC GENERATOR
A permanent magnet electric generator includes a rotor assembly and a stator assembly. The rotor assembly has axially disposed annular outer and inner rings concentric with an axis of rotation. The...
|
|
|
US20090049678 |
METHOD AND APPARATUS FOR PRODUCING A WINDING FOR ELECTRICAL MACHINES
The invention relates to an electrical machine having a stator winding, its manufacturing method and manufacturing apparatus, wherein the winding is manufactured with a predetermined number of...
|
|
|
US20090033173 |
MOTOR STATOR WITH LIFT CAPABILITY AND REDUCED COGGING CHARACTERISTICS
A motor includes a stator and a rotor, equipped to be movable in at least a first direction relative to the stator, the rotor operably interfacing the stator so that a motor force is generated in a...
|
|
|
US20090021104 |
Securing Structure For Stator and Electric Vehicle
A securing structure for a stator includes the stator having a stator core, and a housing having an opening portion containing the stator core, and the housing includes a portion A where the...
|
|
|
US20090015093 |
Miniature electrical drive and magnetic return path element, and method for its production
The present invention relates to a miniature electrical drive ( 1 ), in particular a rotating field drive with permanent magnet excitation, having a stator ( 2 ) and a soft-magnetic return path...
|
|
|
US20080317616 |
Positioning device for a detecting device of a motor of a ceiling fan
The invention relates to a positioning device of a detecting device of a motor of a ceiling fan. The motor includes a stator, a rotor, a detecting device and a circuit board. The rotor is pivotally...
|
|
|
US20080315713 |
Group of Laminations For Ferromagnetic Cores, Production Process and Respective Electric Machine
The invention concerns a group of laminations ( 100 ), advantageously but not exclusively for making a ferromagnetic core, which comprises two or more laminations, one or more polar expansions (P...
|
|
|
US20080309173 |
MOTOR
In a motor, an insulator covering an armature core has a lid covering an end surface of the armature core. The lid has an inner ring disposed radially inside slots of the armature core and an outer...
|
|
|
US20080303371 |
Electrical Rotary Machine
An electric motor 1 comprises a rotator 20 rotating relative to a stator 10 and a plurality of teeth 11 winding an exciting coil 12 in the stator 10 . The teeth 11 generate a magnetic...
|
|
|
US20080303374 |
MOTOR WITH ROTOR SHAFT AND ROTOR MAGNET
A motor may include a rotor, a first yoke and a second yoke which are disposed to face each other, and at least one coil which is disposed between the first yoke and the second yoke. The first yoke...
|
|
|
US20080278027 |
MOTOR AND METHOD FOR MANUFACTURING THE MOTOR
A motor includes a shaft; a sleeve that supports the shaft rotatably; a housing including a cylindrical holding portion for holding an outer circumferential surface of the sleeve; a stator held...
|
|
|
US20080267793 |
COOLING FAN
A cooling fan includes a fan housing ( 30 ) having a central tube ( 34 ) extending upwardly therefrom, a bearing ( 61 ) received in the central tube and defining a bearing hole ( 62 ) therein, a...
|
|
|
US20080252164 |
Variable speed motor
Shift gears of a variable speed motor is no longer needed for a set of gears, but multiple layers disks with magnets fit over an axle rotated by a multiple layers annular opening of a housing,...
|
|
|
US20080238226 |
STATOR AND GAP WINDING MOTOR USING THE SAME
A so-called gap winding motor capable of preventing a rotation detector from being affected by noise generated by a stator coil connection portion and decreasing the size and cost is provided. The...
|
|
|
US20080238242 |
DYNAMOELECTRIC MACHINE
The dynamoelectric machine includes: a Lundell rotor that has: a pole core in which tapered claw-shaped magnetic pole portions are arranged in rows circumferentially so as to extend axially...
|
|
|
US20080224563 |
Method of Inserting an Undulating Winding Into a Stator of a Polyphase Rotating Electrical Machine, and Associated Stator
A method of inserting an undulating winding into an alternator stator. The method comprises the following steps consisting of shaping each phase winding into a succession of crenels comprising two...
|
|
|
US20080218015 |
ENCAPSULATED STATOR ASSEMBLY AND PROCESS FOR MAKING
Rotor and stator assemblies that utilize magnetic bearings for supporting the rotor shaft during operation can be suitably used in corrosive environments, such as sour gas. The rotor and stator...
|
|
|
US20080211326 |
Inner rotor type permanent magnet excited transverse flux motor
Disclosed herein is an inner rotor type permanent magnet excited transverse flux motor, in which a laminated structure in an axial direction or in a radial shape is applied to a stator iron core so...
|
|
|
US20080191565 |
MOTOR BATTERY SYSTEMS
A combined motor-battery system comprising an electric power source adapted to convert self-originating electrical current to mechanical power utilizing a set of common functional structures....
|
|
|
US20080191579 |
STATOR OF MOTOR AND MANUFACTURING METHOD THEREOF
A manufacturing method of a stator of a motor includes steps of providing a silicon steel sheet set, which includes a plurality of tightly stacked silicon steel sheets; disposing the silicon steel...
|
|
|
US20080185935 |
Brushless Dc Machine And Its Return Ring Packet, Gear Rim Packet, And Top Piece, And Production Method Therefor
The invention relates to a brushless DC machine comprising a rotor and a stator that supports a winding assembly. The stator encompasses a gear rim with tooth tips that extend radially outward as...
|
|
|
US20080179985 |
ROTATING ELECTRICAL MACHINE
An alternator of high quality and high performance includes a rotor, a stator core arranged so as to surround the rotor and having a plurality of axially extending slots arranged at a predetermined...
|
|
|
US20080175732 |
Busbar structure, method of producing the busbar structure, and electric motor having the busbar structure
A method of producing a busbar structure includes a busbar arranging step for arranging a plurality of the busbars at predetermined positions in a cavity which is formed between a fixed mold and a...
|
|
|
US20080172861 |
METHODS FOR MANUFACTURING MOTOR CORE PARTS WITH MAGNETIC ORIENTATION
Methods are provided for manufacturing a magnetizable core component for use in an electric motor. The method includes forming a green body from a powdered metal-ceramic composite. The method also...
|
|
|
US20080169722 |
STATOR CORE
A stator core includes a laminated core member and a single-piece insulating layer. The laminated core member includes: a central ring portion defining an axis, and having first top and first...
|
|
|
US20080169712 |
Multi-resolver rotation angle sensor with integrated housing
A rotation angle sensor includes: (a) a multi-resolver housing with a high precision structure; (b) stator terminals that do not cause deformation or loosening of terminal pins from the substrates...
|
|
|
US20080169732 |
INTEGRATED STATOR AND ROTOR FOR A DC BRUSHLESS CEILING FAN MOTOR
A stator and rotor for a DC brushless ceiling fan motor includes an integrated design of the stator and rotor to form an integrated stator, the integrated stator is made of a permeable material and...
|
|
|
US20080169721 |
Motor
A motor has a stator and a rotor that rotates about the stator, wherein the stator includes, a stator core in which a magnetic flux path is formed; a plurality of teeth projected in a radial...
|
|
|
US20080164773 |
Stator for a Liquid Cooling Type Direct Drive Motor
A stator for a liquid cooling type direct drive motor comprises: annular base, silicon steel sheet, at least one metal cooling pipe, and coils. The stator is centrally provided with a rotor shaft...
|
|
|
US20080157610 |
Stator for inner rotor type mold brushless motor
A stator includes split cores arranged in a cylindrical shape. Coils are wound continuously around teeth of split cores forming the same electrical phase via a bridge line. On the outer surface of...
|
|
|
US20080150287 |
Integrated Boost Cavity Ring Generator for Turbofan and Turboshaft Engines
An electrical generator for extraction of electrical power from a gas turbine engine includes a rotor portion and a stator portion disposed within a booster cavity of the gas turbine engine. The...
|
|
|
US20080143197 |
Stator structure and manufacturing method thereof
A stator structure includes a magnetically conductive element and a winding. The magnetically conductive element is integrally formed as a single unit by at least one magnetic powder. The winding...
|
|
|
US20080136272 |
ROTATING ELECTRICAL MACHINE
It is an object of the present invention to make it possible to easily wind a stator winding, enhance an occupied ratio in a stator core, reduce a winding resistance because there is no coil end,...
|
|
|
US20080136278 |
Motor
A motor includes a bracket that defines an exterior of the motor. A PCB is held within the bracket and has a circuit pattern and various elements mounted thereon. A stator is provided on the PCB...
|
|
|
US20080129135 |
Motor structure
A motor structure including a revolving shaft, internal stators, middle rotors, and external stators is provided. The revolving shaft is an axle center, and the internal stators, middle rotors, and...
|
|
|
US20080111437 |
CONTINUOUS ROTARY MOTOR
A motor includes a ferromagnetic member with first and second portions, a conductive wire wrapped around the first portions of the ferromagnetic member, and at least one magnet rotatably coupled to...
|
|
|
US20080106167 |
MOTOR AND RECORDING DISK DRIVE DEVICE PROVIDED WITH THE SAME
In a spindle motor, a core includes a plurality of core plates, which are laminated one on another. The core is constituted by laminating two cores, that is, a first core and a second core, which...
|
|
|
US20080100171 |
Stator, motor and record medium drive apparatus and method of fabricating stator
A stator includes a base board, a plurality of coil patterns patterned on one face of the base board, a stator core having a ring-like portion formed in a ring-like shape, a plurality of teeth base...
|
|
|
US20080093951 |
ELECTRIC MACHINE WITH TEETH AND BRIDGES
An electric machine includes a rotor, a first tooth portion, and a second tooth portion spaced apart from the first tooth portion and cooperating with the first tooth portion to at least partially...
|
|
|
US20080092374 |
Generator endplate removal tool and method
A method and apparatus for compressing the endplate of an electric generator to relieve the restraining force on a plurality of key blocks that restrain the endplate in compression. The method...
|