Axial gap motor-generator for high speed operation
To achieve the foregoing objects, and in accordance with the purposes of the invention as embodied and broadly described in this document, an axial gap motor-generator is provided, of the type coupled... Read More
Inventors: Swett, Dwight W.;, Assignee: |
Electric motor magnetic flux path structure
OF THE EXEMPLARY EMBODIMENT With reference to FIGS. 1-3, a permanent magnet electric motor is shown generally indicated at 10. The motor 10 is preferably configured for use in vehicle HVAC systems. T... Read More
Inventors: Fisher, Bryan Todd; Simpson, Stan; Bartlett, Eric; Plavosin, Dumitru;, Assignee: Siemens VDO Automotive Inc. (Mississauga, CA) |
Sleeved, snap-on hub-to-shaft connection
The following detailed description sets forth a number of modes of employing the present invention in practical application in food processors. The presently preferred mode is indicated in the descri... Read More
Inventors: Coggiola, Marcel;, Assignee: Robot Coupe, S.A. (Rosny sous Bois, FR) |
Steering wheel assembly with non-rotatable center hub
It is therefore an essential object of the present invention to provide a steering wheel assembly having a non-rotatable center hub, which is free of the above-mentioned drawback. According to the pre... Read More
Inventors: Arima, Sumitsugu; Tsuda, Hiroshi; Nagashima, Hideyuki;, Assignee: Nissan Motor Co., Ltd. (Yokohama, JP) |
Motor fan retention on a non-stepped shaft
Among the several objects of the present invention may be noted the improvement of a generally uniform diameter shaft for installation in a motor assembly, and a ventilating fan mountable on the shaft... Read More
Inventors: Borcherding, Gary W.;, Assignee: Emerson Electric Co. (St. Louis, MO) |
Position detecting mechanisms for recording media
According to this invention, an information recording/reproducing device comprises a medium driving mechanism to rotatably drive a recording medium, and a clamping mechanism for clamping a recording m... Read More
Inventors: Nakata, Toshio; Okumura, Naoyuki;, Assignee: Seiko Epson Corporation (Tokyo, JP) |
Disc centering sleeve for a disc drive
Accordingly, it is an objective of the present invention to provide a novel disc centering device that positions maintains the information storage devices and the spacers concentric with the axis of r... Read More
Inventors: Moir, Michael Bruce; Krum, Richard Gene;, Assignee: Seagate Technology, Inc. (Scotts Valley, CA) |
Disk driving spindle motor
what is claimed is: 1. A disk driving spindle motor wherein a hub portion having a flange portion on which a disk is to be clamped is supported for rotation relative to a housing body and a rotor fram... Read More
Inventors: Teshima, Hiroyoshi;, Assignee: Matsushita Electric Industrial Co., Ltd. (JP) |
Radially loaded disc mounting system for a disc drive
The present invention is a disc mounting system for mounting the discs of a disc drive in a fixed radial relationship to the hub of a spindle motor. The disc mounting system includes a disc mounting r... Read More
Inventors: Kazmierczak, Frederick Frank; Raffetto, Michael John;, Assignee: Seagate Technology, Inc. (Scotts Valley, CA) |
Liquid dynamic pressure bearing and spindle motor, hard-disk driving unit, and scanner motor using the bearing
To achieve the above-object, a liquid dynamic pressure bearing in a first aspect of the present invention has the characteristics that it is a liquid dynamic pressure bearing for supporting a rotor sh... Read More
Inventors: Iwaki, Tadao;, Assignee: Seiko Instruments Inc. (JP) |
Starter having a seal member near bearing for holding output shaft
It is therefore an object of the present invention to provide a starter, which prevents foreign substances from entering into the bearing surface of a bearing and maintains bearing performance for a l... Read More
Inventors: Hasegawa, Youichi; Kajino, Sadayoshi; Osawa, Yasuo;, Assignee: Denso Corporation (Kariya, JP); Sawafuji Electric Co., Ltd. (Tokyo, JP) |
Heat bridges for electric motor gear case
I claim: 1. A mechanical drive apparatus comprising: at least on electric motor having a first winding end surface and a second winding end surface; a gear case having gears wherein at least one said ... Read More
Inventors: Whaley, Kenneth N.;, Assignee: Fasco Industries, Inc. (Cassville, MO) |
Modular emergency stop relay system
The present invention provides an emergency stop device wherein the switch and the controller are contained in separate modular units. This modular construction allows the switch to be conveniently re... Read More
Inventors: Brown, Paul C.; Zomchek, Kevin M.; Sambar, Homer S.;, Assignee: Rockwell Automation Technologies, Inc. (Mayfield Heights, OH) |
Electric motor housing with end cap
In FIG. 1 a cylindric housing is shown comprising a shell 10 and an end cap 11. The end cap 11 is in known manner punched out from a planar blank and embossed in a shape as is known from wiper motors... Read More
Inventors: Huber, Walter; Zucker, Fritz;, Assignee: ITT Industries, Inc. (New York, NY) |
Adaptable rotating rectifier and suppression resistor assembly for two-pole, wound rotor of dynamoelectric machine
OF DISCLOSED EMBODIMENTS Referring now to the drawings, an adaptable rotating rectifier and suppression resistor assembly 10 according to the invention is for a rotor of a dynamoelectric machine, par... Read More
Inventors: Johnsen, Tyrone Arthur; Spierling, Todd Alan; Carter, Jr., Harry Raymond;, Assignee: Sundstrand Corporation (Rockford, IL) |
Lead-wire arrangement of vehicle ac generator
A main object of the invention is to provide an improved lead-wire arrangement of an ac generator for a vehicle. Another object of the invention is to provide an ac generator which has an inexpensive ... Read More
Inventors: Shichijyo, Akiya;, Assignee: Denso Corporation (Kariya, JP) |
Magnetic thrust bearing with permanent bias flux
OF THE INVENTION Turning to the drawings wherein like characters designate identical or corresponding parts, FIG. 6 shows a preferred configuration of the magnetic thrust bearing 10. A thrust disk 11... Read More
Inventors: McMullen, Patrick T.; Huynh, Co Si;, Assignee: Calnetix (Torrance, CA) |
2-Pole stepper motor for timepiece
What is claimed is: 1. A two-pole step motor for a timepiece comprising: a stator including a high-permeability material, and having a rotor hole; a rotor, installed in the rotor hole, the rotor inclu... Read More
Inventors: Takahashi, Shigeyuki; Nanya, Takanori; Machida, Takayasu; Suzuki, Kazuo; Shimanouchi, Takeaki;, Assignee: Citizen Watch Co., Ltd. (Tokyo, JP) |
Power unit arrangement structure for motorcycle
What is claimed is: 1. A power unit arrangement structure for a motorcycle, said motorcycle having a body and a main frame, said power unit arrangement structure comprising a power unit including an e... Read More
Inventors: Matsuto, Takushi; Wachigai, Kaoru;, Assignee: Honda Giken Kogyo Kubushiki Kaisha (Tokyo, JP) |
Device for controlling the radial orientation of a rapidly rotating rotor supported in a contactless manner
The present invention seeks to address the problem of improving the attitude control of rotors which are supported in a contactless manner. The invention addresses this problem by providing a sensor d... Read More
Inventors: Coenen, Norbert;, Assignee: W. Schlafhorst AG & Co. (DE) |
Vertical motor, method of manufacturing same, polygon mirror motor using said motor, and bearing device for use in said motor
It is a first object of this invention to provide an improved polygon mirror motor which reduces the possibility that the polygon mirror motor is assembled with dust caught in a gap between a polygon ... Read More
Inventors: Uno, Satosi; Matsubayashi, Jun; Nii, Katsutoshi; Kawaike, Kazuhiko;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Motor
It is therefore an object of the present invention to provide a motor in which the above-mentioned problems can be solved. According to the present invention, there is provided a motor which includes ... Read More
Inventors: Ida, Mitsuru; Murata, Hiroshi; Akiha, Shinjiro;, Assignee: Sony Corporation (JP) |
Disk driving apparatus using dynamic pressure-type bearing device
The object of the present invention is therefore to provide a disk driving apparatus using a dynamic pressure-type bearing device capable of preventing the generation of metallic abrasion particles of... Read More
Inventors: Teshima, Hiroyoshi;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka-fu, JP) |
Rotary electric power generator
It is an object of the present invention to provide a rotary electric power generator with its high reliability at a low cost for an air cooling mechanism by improving a cooling performance of the rot... Read More
Inventors: Mori, Hideaki; Kieda, Shigekazu; Kaiho, Masayuki; Shiobara, Ryoichi; Hattori, Kenichi;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Mounting structure for mounting power elements to heat dissipation member
It is therefore an object of the present invention to provide a structure for mounting power elements to a heat dissipation member, which is free of the above-mentioned drawbacks. According to the pre... Read More
Inventors: Sunaga, Hideki; Ohira, Shigenori; Sano, Narihito; Yamada, Kazunori; Oba, Takeshi;, Assignee: Calsonic Kansei Corporation (Tokyo, JP) |
Motor using permanent magnet rotor
An object of the present invention is to provide a permanent magnet rotor structure using plug-in type arc-shaped permanent magnets, capable of reducing magnetic flux leakage and elevating overall mot... Read More
Inventors: Lai, Ching-Feng; Chang, Yu-Choung; Hsiao, Tse-Liang; Yang, Chun-Chung; Liang, Kun-I; Huang, Ann;, Assignee: Industrial Technology Research Institute (Hsinchu, TW) |
Brushless d.c. motor having RC time-delay stage(s) and driver transistors which prevent simultaneous conduction by the power transistors of the wound conductor pair(s) of the motor winding
It is an object of the invention to further improve this motor. In accordance with the invention, this object is achieved as follows: Each controllable semiconductor power-carrying element, e.g. power... Read More
Inventors: Muller, Rolf;, Assignee: Papst-Motoren GmbH & Co KG (St. Georgen/Black Forest, DE) |
Servo motor integral with control apparatus
In a servo motor integral with a control apparatus of the present invention, a partition body which constitutes a partition between an amplifier section and a servo motor section is provided, a housin... Read More
Inventors: Mizutani, Takao;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Welding robot with base stand having self contained welding power source
The present invention is characterized in that a robot stand having a robot body having an articulated manipulator placed thereon is interiorly provided with electric circuits for driving and controll... Read More
Inventors: Handa, Hiroyuki; Misumi, Yukio; Okumura, Shinji; Tanaka, Michiharu;, Assignee: Kabushiki Kaisha Yaskawa Denki (Fukuoka, JP) |
Capacitively powered motor and constant speed control therefor
It is an object of this invention to provide a low cost, low output capacitively powered motor which operates at a constant speed although its efficiency may vary. It is another object of this inventi... Read More
Inventors: Hollenbeck, Robert K.; Erdman, David M.; Kiefer, James R.;, Assignee: General Electric Company (Schenectady, NY) |
Generators or Motors 
