Recording disc cartridge having an improved hub assembly
OF THE PREFERRED EMBODIMENTS Before the description proceeds, it is noted that like parts are designated by like reference numerals throughout the attached drawings. Referring to FIGS. 1 and 2, the d... Read More
Inventors: Maruyama, Hiroshi; Mizushima, Kunio; Sakemoto, Akito; Umebayashi, Nobuhiro;, Assignee: Hitachi Maxell, Ltd. (Osaka, JP) |
Rotor assembly for electric stepping motor
We claim: 1. A rotor assembly useful for a stepping motor, comprising: (a) a central shaft having a pinion thereon, the pinion having an end surface forming a first annular abutment surface projecting... Read More
Inventors: Migeon, Jean P.; Poix, Claude;, Assignee: Timex Corporation (Waterbury, CT) |
Clamping circuit
The present invention has been made in consideration of the above situation, and has as its object to provide a clamping circuit which can widen a setting range of a reference voltage as a clamping vo... Read More
Inventors: Imai, Shin-ichi; Sakata, Akira;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
One-piece support and end cover structure for electric motors
What is claimed: 1. A combined support and end cover structure for dc motors with a commutator at one end and permanent magnet type stator pole pieces, comprising: a first element embodied substantial... Read More
Inventors: Spaggiari, Terzino;, Assignee: SPAL s.r.l. (Correggio, IT) |
Miniature motor
OF THE EMBODIMENTS FIG. 4 is an inside end view illustrating a case cover in a miniature motor embodying this invention. FIGS. 5 and 6 are sectional views taken along line 5A-5B-5C-5D-5E and line 6--... Read More
Inventors: Sato, Makoto;, Assignee: Mabuchi Motor Co., Ltd. (Chiba, JP) |
Method for assembling a miniaturized gyromagnetic device
The gyromagnetic device according to the invention has been designed for easy assembly according to a simple and, therefore, swift and inexpensive method. Furthermore, one object of the invention is t... Read More
Inventors: Prevot, Julien; Chabani, Kamel; Courgeon, Michel; Duquenoy, Denis; Duquenoy, Roger; Le Navenec, Regis;, Assignee: Thomson-CSF (Paris, FR) |
High energy magnetizer/demagnetizer for drill housing
It is an object of the present invention to provide a high energy magnetizer/demagnetizer on a power driving tool or the like. It is another object of the present invention to provide a magnetizer/dem... Read More
Inventors: Anderson, Wayne;, Assignee: |
Sliding rotor motor
1. Purposes of the Invention It is an object of the present invention to improve a displacement type armature motor such that the known iron ring can be permanently and reliably attached to the rotor ... Read More
Inventors: Bitsch, Harald; Mall, Hans;, Assignee: Mannesmann Aktiengesellschaft (Dusseldorf, DE) |
Self-adjusting airgap motor/generator for flywheel system
We claim: 1. A flywheel system, comprising: a first shaft having a longitudinal axis; flywheel means, comprising: a flywheel capable of rotating about said shaft having a flywheel inner diameter; a pl... Read More
Inventors: Miller, Robin M.;, Assignee: United Technologies Corporation (Hartford, CT) |
Method for selectively coupling layers of a stator in a motor/generator
The present invention pertains to an axial field motor/generator having a rotor that includes at least three annular discs magnetized to provide multiple sector-shaped poles. Each sector has a polarit... Read More
Inventors: Smith, Stephen H.; Shenkal, Yuval;, Assignee: Smith Technology Development (San Diego, CA) |
Electronically commutated motor
An object of the present invention, in the case of an electronically commutated motor, is to graduate output and influence rotation speed with a simple motor configuration for the stator and with low-... Read More
Inventors: Bernauer, Christof; Krauth, Wofgang;, Assignee: Robert Bosch GmbH (Stuttgart, DE) |
Brushless DC motor inner tachometer
I claim: 1. Brushless D.C. motor with axial air gap comprising a rotating permanent magnet ring of the motor defining an inner cylindrical space; a tachogenerator for controlling the speed of the moto... Read More
Inventors: Muller, Siegfried;, Assignee: Papst Motoren KG (St. Georgen, DE) |
Electric motor with rotor support means
We claim: 1. An electric motor including a stator disposed around a central axis and having first and second ends, a rotor and including first and second ends, and rotor support means for supporting s... Read More
Inventors: Ineson, David J.; Dupre, Lawrence W.;, Assignee: Philips Electronics North America Corporation (New York, NY) |
Method of making a one-piece modular door frame glass run channel
This invention provides a window receiving assembly carried by a frame of a vehicle door. A metallic channel of rolled steel has a mounting surface an outboard side wall projected from the mounting su... Read More
Inventors: Bielis, John C.; Schell, Kenneth D.; Yarger, Cleatis W.;, Assignee: General Motors Corporation (Detroit, MI) |
PMDC electric motor with a magnet spacer
OF THE EMBODIMENTS The casing 1 of the PMDC motor shown in FIG. 1 has a closed end 11 and an open end 13 which is closed by an insulating end cap 14 of molded plastics material. The rotor 30 has a sh... Read More
Inventors: Lau, James C.-S.;, Assignee: Johnson Electric S.A. (CH) |
Magnetic disk apparatus with offset head assemblies
The object of the present invention is to provide a magnetic disk apparatus in which two magnetic heads having single magnetic elements can access the identical tracks on the magnetic disks which the ... Read More
Inventors: Kida, Shingo;, Assignee: Fujitsu Limited (JP) |
Insulation structures for electrical inductive apparatus
What is claimed is: 1. Electrical inductive apparatus comprising: a tank; dielectric fluid disposed in said tank to cool and electrically insulate said electrical inductive apparatus; a magnetic core ... Read More
Inventors: Grimes, Jerry W.; Schroeder, Stephen M.; Waters, James M.;, Assignee: Westinghouse Electric Corp. (Pittsburgh, PA) |
Molded coil structure
What is claimed is: 1. A molded coil structure comprising a coil formed by winding a conductor, a sheet of electrical insulator material respectively wrapped in layers around an inner and an outer per... Read More
Inventors: Kubo, Hirofumi; Fujimori, Toshiyuki;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Coil assembly and support system for a transformer and a transformer employing same
Referring to FIG. 1, a transformer including a coil support system in accordance with the present invention is shown (mold 46 is removed for clarity and ease of understanding). The illustrated transf... Read More
Inventors: VanSchaick, Thomas E.; VanDusen, Morris V.; Anderson, James M.;, Assignee: General Electric Company (Schenectady, NY) |
Miniature transformer having compressed laminations
This invention is suggested in view of the above mentioned fact and has it as an object to provide a miniature transformer provided with an insulating cover having a function of pressing laminated cor... Read More
Inventors: Noguchi, Minoru; Noda, Hiroshi; Ishikawa, Tetsuro;, Assignee: Tamura Corporation (Tokyo, JP) |
Method of manufacturing semiconductor package
The present invention has been made in consideration of this and has it for object to provide a semiconductor device which improves the packaging density by forming a plurality of wiring substrates pr... Read More
Inventors: Kim, Gu S.; Kim, Young S.;, Assignee: Samsung Electronics Co., Ltd. (Suweon, KR) |
Avionic instrument tray cooling system
We claim: 1. A device including an avionic tray and a fan assembly, the tray comprising a base surface for supporting a container for electronic equipment, the container having outlet holes for exhaus... Read More
Inventors: Whitson, Frederick A.; Assef, Carlos;, Assignee: Electronic Cable Specialists (Franklin, WI) |
Dynamic pressure air bearing type electric motor with air circulating arrangement
Therefore, an object of the present invention is to provide a dynamic pressure air bearing type electric motor wherein the dew condensation and the adherence of dust can be prevented on and to the inn... Read More
Inventors: Hayashi, Kunio;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Method of manufacturing coils for use in charged particle deflecting electromagnet
In view of the aforementioned problems of the conventional coils, an object of the present invention is to provide a method of manufacturing a coil for use in a charged particle deflecting electromagn... Read More
Inventors: Kawaguchi, Takeo;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Non-explosive initiator with link wire assembly
A spool initiator with which the present invention is most advantageously employed includes multiple spool halves which are secured together about an object securing the object against reactive moveme... Read More
Inventors: McCormick, Larry L.;, Assignee: G & H Technology, Inc. (Camarillo, CA) |
Method of making double-wall tank for the storage of liquids
In light of the foregoing, this invention relates to a method of manufacturing a double-wall tank for the storage of liquids, particularly providing an improved method of manufacturing the end wall po... Read More
Inventors: Palazzo, David T.;, Assignee: |
Disk drive with improved structure for fastening bearing assembly to rotor and housing
In order to achieve the above object, a disk drive device according to the present invention is characterized in that it comprises stoppers disposed so as to support rotably an actuator on a yoke plat... Read More
Inventors: Ohkita, Masao; Takikawa, Makito; Asano, Isao;, Assignee: Alps Electric Co., Ltd. (Tokyo, JP) |
Rotary actuator vibration damper
The present invention includes a bearing assembly for supporting an actuator arm for rotation about an axis in a disc drive. The bearing assembly includes a shaft generally defining the axis. A plural... Read More
Inventors: Stricklin, John D.; Blanks, John B.;, Assignee: Seagate Technology, Inc. (Scotts Valley, CA) |
Spring loaded stacked actuator assembly
The present invention is a stacked actuator assembly including a hub having an axis of rotation, a first axial stop about the hub and fixed along the axis of the hub, a second axial stop extending abo... Read More
Inventors: Brent, George I.;, Assignee: Seagate Technology, Inc. (Scotts Valley, CA) |
Method of making a packaged IC chip
We claim: 1. The method of making a packaged IC chip comprising the steps of: (a) preparing a longitudinal strip containing a plurality of substantially identical lead frame segments, each lead frame ... Read More
Inventors: Gilder, Jr., Thomas G.; O'Dean, Raymond D.;, Assignee: GTE Products Corporation (Stamford, CT) |
Generators or Motors 
