Alternator fan
OF THE INVENTION FIG. 1 illustrates an automotive alternator rotor and stator assembly, shown generally at 22, embodying the principles of the present invention and including two alternator fans show... Read More
Inventors: Militello, Anthony; Fougner, Jayeson David; Frederick, Dean Mark;, Assignee: Visteon Global Technologies, Inc. (Dearborn, MI) |
Integral motor and control
What is claimed is: 1. A refrigeration system comprising a compressor, a refrigerant carrying condenser coil, a refrigerant carrying evaporator coil, and at least one air moving motor assembly for mov... Read More
Inventors: Erdman, David M.; Yoder, Dale F.; Tatman, Richard S.; Molnar, David T.;, Assignee: General Electric Company (Schenectady, NY) |
Inner stator of drum type motor
In the winding engineering in the prior art motor, if the winding is arranged linearly, more space is occupied, and the motor operates effectively, while the whole cost is too high. Another, the produ... Read More
Inventors: Hsu, Chun-Pu;, Assignee: |
Alternator
Accordingly, the present invention has been made with a view toward solving the problems described above, and it is an object thereof to provide an alternator that exhibits uniform temperature distrib... Read More
Inventors: Asao, Yoshihito;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Motor core and motor using the same
The present invention reduces the cycle of the cogging torque produced due to a basic configuration of a core to one-quarter or less of the cycle of basic cogging torque determined by a least common m... Read More
Inventors: Fujinaka, Hiroyasu;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP) |
Method and system for sensing switch position to prevent inadvertent startup of a motor
A method and system in accordance with an aspect of the invention prevents inadvertent startup of a motor when the motor is initially connected to a power source with a motor control (i.e., On/Off) sw... Read More
Inventors: Brotto, Daniele C;, Assignee: Black & Decker Inc. (Newark, DE) |
Disk-type single-phase brushless motor
What is claimed is: 1. A disk-type single-phase brushless motor, comprising a rotor supported for rotation and including a field magnet having 2P alternate north and south poles of essentially equal c... Read More
Inventors: Shiraki, Manabu; Ishii, Sumio;, Assignee: Shicoh Engineering Co., Ltd. (Kanagawa, JP) |
Disk clamping assembly for a low profile disk drive apparatus
Accordingly, an object of the present invention is to provide a disk drive apparatus which has further reduced axial thickness but yet capable of easily and securely fixing recording disks to a rotor ... Read More
Inventors: Fujii, Yoshio; Chuta, Masanobu; Yasuda, Kazuyuki;, Assignee: Nippon Densan Corporation (Kyoto, JP) |
Electric machine
Based on this, the invention is based on the object of configuring an alternator of the generic type in such a manner that heat dissipation is improved. As a result of this configuration, heat conduct... Read More
Inventors: Bilsing, Thomas;, Assignee: Robert Bosch GmbH (Stuttgart, DE) |
Bicycle dynamo having a rotary-current generator
This invention relates to a dynamo, and more particularly to a bicycle dynamo having a rotary-current generator which contains a stator and a rotor which can be rotated relative to the stator. It is k... Read More
Inventors: Werner, Hermann; Loessl, Erich; Mueller, Burkard;, Assignee: FER Fahrzeugeletrik GmbH (Eisenach, DE) |
Disk drive motor
Accordingly, it is an object of the present invention to provide a disk drive motor of which impairment of rotational performance, in particular run-out of the rotary part of the motor, is suppressed ... Read More
Inventors: Miyamoto, Eiji; Osawa, Harushige; Chuta, Masanobu;, Assignee: Nidec Corporation (Kyoto, JP) |
High temperature super-conducting rotor having a vacuum vessel and electromagnetic shield and an assembly method
OF THE INVENTION FIG. 1 shows an exemplary synchronous generator machine 10 having a stator 12 and a rotor 14. The rotor includes field winding coils that fit inside the cylindrical cavity 16 of the ... Read More
Inventors: Wang, Yu; Weeber, Konrad Roman; Sivasubramaniam, Kiruba; Nygard, Robert John; Huang, Xianrui;, Assignee: General Electric Company (Schenectady, NY) |
Apparatus and method of encapsulating motors
OF SPECIFIC EMBODIMENTS In preferred embodiments of the invention, an improved method and apparatus envelops an electric motor and its associated electronics in encapsulating material. A preferred em... Read More
Inventors: Brown, Fred A.;, Assignee: Comair Rotron, Inc. (San Diego, CA) |
Cooling fan
The main objective of the invention is to provide a cooling fan which can prevent dust from entering into an oil-retaining bearing. Other objectives, advantages and novel features of the invention wil... Read More
Inventors: Hsieh, Hsin-Mao;, Assignee: |
Using a micromachined magnetostatic relay in commutating a DC motor
FIGS. 1A and 1B show a normally-open microelectronic mechanical system (MEMS) relay or switch 100. The switch 100 includes a cantilever beam 105 mounted on a substrate 110. For convenience, the subst... Read More
Inventors: Tai, Yu-Chong; Wright, John A.; Lilienthal, Gerald;, Assignee: California Institute of Technology (Pasadena, CA) |
Permanent magnet field-type rotating machine
With the above problems in view, it is an object of this invention to provide a permanent magnet field-type rotating machine of a high efficiency having an internal magnet-type rotor which is simple i... Read More
Inventors: Mita, Masahiro; Sasaki, Takashi;, Assignee: Hitachi Metals, Ltd. (Tokyo, JP) |
Plain carbon steel hub for data storage device
The present invention provides a rotating removable data storage device having a hub of coated plain carbon steel. By using plain carbon steel for the hub a number of advantages are achieved by the pr... Read More
Inventors: Hilton, Ronald L.; Laska, Gregory A.; Swanson, John W.; Domonkos, Richard E.;, Assignee: Imation Corp. (Oakdale, MN) |
Disk storage device with improved spindle torque and acceleration
The foregoing and other objects are achieved by providing a disk storage device that utilizes an inner rotor spindle motor in which the spindle shaft is fixed to the disk mounting hub and rotates ther... Read More
Inventors: Papst, Georg F.;, Assignee: Papst Licensing GmbH & Co. KG (Spaichingen, DE) |
Magneto generator
An object of the present invention is to provide a magneto generator capable of blowing cooling air larger in amount than a conventional magneto generator on an armature through an air vent provided i... Read More
Inventors: Serizawa, Makoto; Komatsu, Shinji;, Assignee: Kokusan Denki Co., Ltd. (Shizuoka-Ken, JP) |
Alternator for vehicles having permanent magnets in rotor
The present invention addresses this problem, and has an object to improve electric power generated by an alternator without complicating manufacturing and assembling processes. According to the prese... Read More
Inventors: Tan, Yoshiki; Murata, Nakato;, Assignee: Denso Corporation (Kariya, JP) |
Compliant vibration isolation housing assembly for a data storage system
The present invention is a vibration isolation apparatus and method for attenuating vibrations in a data storage system housing. A spindle motor assembly is mounted to a secondary base which is decoup... Read More
Inventors: Boutaghou, Zine-Eddine;, Assignee: International Business Machines Corporation (Armonk, NY) |
Apparatus for absorbing stator vibrations in computer storage apparatus
Accordingly, one object of the present invention is to provide a rotary driving apparatus that controls vibration and noise caused by high speed rotation of a rotor. By reducing vibration, high accura... Read More
Inventors: Yoshida, Mitsuaki; Kaneko, Hisashi;, Assignee: Fujitsu Limited (Kawasaki, JP) |
Easy to manufacture covering device of a hard disk drive that dampens vibrations and seals internal components within
Accordingly, the present invention has been made in an effort to solve the problems occuring in the related art, and a primary object of the present invention is to provide a covering device of a hard... Read More
Inventors: Kim, Youn-Tai;, Assignee: SamSung Electronics Co., Ltd. (Suwon, KR) |
Magnetic disc unit
An object of the present invention is to provide a rotary recording apparatus which can, on one hand, prevent flutter causing errors in positioning from increasing even though the rotational speed bec... Read More
Inventors: Tokuyama, Mikio; Shimizu, Hayato; Imai, Satomitsu; Saegusa, Shozo; Sega, Masahiko; Okazaki, Toshihisa; Yamaguchi, Yuzo;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Disk driving motor and chucking mechanism for disk drive apparatus
It is an object of the present invention to simplify the configuration of a disk driving motor assembly which includes a disk chucking mechanism, and to decrease the thickness of the disk driving moto... Read More
Inventors: Yokouchi, Hideya;, Assignee: Seiko Epson Corporation (Tokyo-to, JP) |
Bearing system with flexible bearing bracket
The present invention provides a bearing system comprising a bearing supported in a flexible bearing bracket, for example for use in fractional horsepower shaded pole type electric motors. In the pref... Read More
Inventors: Stenta, Christopher Scott;, Assignee: E. I. du Pont de Nemours and Company (Wilmington, DE) |
Internally damped stator, rotor, and transformer and a method of making
The present invention provides in one embodiment an internally damped core, wherein the core is selected from the group consisting of stator, rotor, and transformer cores. The present invention provid... Read More
Inventors: Landin, Donald T.; Johnson, Gordon G.; McCutcheon, Jeffrey W.; Hilderbrand, Larry S.;, Assignee: 3M Innovative Properties Company (St. Paul, MN) |
Electric rotating machine for vehicle
The present invention has been made to solve the above-discussed problems and has an object of reducing not only cost and manufacturing processes but also resistance of the metallic terminal in order ... Read More
Inventors: Isoda, Hitoshi; Asao, Yoshihito;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Electric motor construction
I claim: 1. An electric motor comprising a housing means, said housing means including first and second housing members, said first and second housing members having circumferential walls, said circum... Read More
Inventors: Yassemi, Mark;, Assignee: Excellon Industries (Torrance, CA) |
Insulated electrical conductor containing free-flowing mica
Accordingly, it is an object of this invention to provide an electrical product that utilizes powdered mica. It is another object of this invention to provide an insulated electrical conductor contain... Read More
Inventors: Green, Edward A.;, Assignee: |
Generators or Motors 
