Hydrodynamic bearing apparatus and method for manufacturing same
This invention aims to provide a hydrodynamic bearing apparatus wherein the amount of the lubricant injected in the bearing unit is not caused to be excessive or short at the junction on which the thr... Read More
Inventors: Gomyo, Masato; Nose, Tamotsu; Hayakawa, Masamichi;, Assignee: Sankyo Seiki Mfg. Co. Ltd. (Nagano-ken, JP) |
Disc drive deflected disc clamp lapping process
OF PREFERRED EMBODIMENTS A disc drive 100 constructed in accordance with a preferred embodiment of the present invention is shown in FIG. 1. The disc drive 100 includes a base 102 to which various co... Read More
Inventors: Martin, Stephen Robert; Drake, Brenda Kaye;, Assignee: Seagate Technology LLC (Scotts Valley, CA) |
Electric motor
OF THE PREFERRED EMBODIMENT FIG. 1 shows an electric motor having a stator 2 which is arranged in a fixed position in a tubular housing 1, and having a rotor 3 which is mounted in a rotationally fixe... Read More
Inventors: Severien, Herbert; Brack, Michael;, Assignee: Mannesmann VDO AG (Frankfurt, DE) |
System and method for detecting deviations in the positioning of a head relative to a track on the disc of a disc storage unit wherein the unit generates a ramp signal having a gradient determined by the position of the track on the disc
In view of the above, the primary object of the present invention is to provide a system for detecting an off-track amount of the head position in a disc storage unit in which a processing circuit for... Read More
Inventors: Ozawa, Hiromi;, Assignee: Fuji Electric Company Ltd. (Kanagawa, JP) |
Brushless motor
The present invention has been made in order to solve the above-mentioned problems inherent in the conventional technology and the primary object of the present invention is to provide a brushless mot... Read More
Inventors: Asama, Kiichi; Ashibe, Hiroo;, Assignee: Sankyo Seiki Mfg. Co., Ltd. (Nagano, JP) |
Brushless electric exciter for dynamoelectric machines
OF INVENTION The invention will next be illustrated with reference to the figures wherein similar numbers indicate the same elements in all figures. Such figures are intended to be illustrative rathe... Read More
Inventors: Petrinko, Alex;, Assignee: |
Vibrator motor having nonmagnetic armature cores
It is therefore a primary object of the present invention to provide a light and compact vibrator motor having an eccentric armature rotor that causes little cogging torque and requires low voltage fo... Read More
Inventors: Yamaguchi, Tadao; Nakajima, Koichi; Arai, Toru;, Assignee: Tokyo Parts Industrial Co., Ltd. (Isesaki, JP) |
Terminal structure of a motor
The present invention has been made in view of the above-mentioned circumstances, and therefore has an object to provide a motor terminal having a structure which enables a coil and an external circui... Read More
Inventors: Suzuki, Yuzuru; Matsushita, Kunitake; Shibata, Hiroichi; Harada, Naoyuki; Ohyashiki, Taketoshi; Fujitani, Sakae; Nakamata, Hirohito;, Assignee: Minebea Co., Ltd. (Nagano-ken, JP) |
Electric motor end plate assembly with integrated motor driver transistor
What is claimed is: 1. An end plate assembly for an electric motor comprising: a motor housing end plate having at least one projection extending therefrom; a bearing received in said end plate; a dis... Read More
Inventors: Whelan, Gary P.; Sauer, Fred W.;, Assignee: Kelsey-Hayes Company (Livonia, MI) |
Actuating drive with an electric motor and control electronics
I claim: 1. An actuating drive with an electric motor, comprising a metallic electric motor housing, a shaft with an armature and collector, brushes, and a brush carrying plate, and control electronic... Read More
Inventors: Moskob, Frank;, Assignee: Robert Bosch GmbH (Stuttgart, DE) |
Rotor having printed wiring commutator member and flat motor having the rotor
Accordingly, it is an object of the present invention to provide an improved rotor. It is another object to provide a rotor bearing a plurality of segments of a pattern formed on a printed wiring comm... Read More
Inventors: Yamaguchi, Tadao;, Assignee: Tokyo Parts Industrial Co., Ltd. (Isesaki, JP) |
Power generation system including an apparatus for attaching a generator stator core to frame support and associated methods
In view of the foregoing, the present invention advantageously provides a high voltage power generation system including an apparatus for attaching a generator stator core to a frame support and metho... Read More
Inventors: Fuller, Robert;, Assignee: Siemens Westinghouse Power Corporation (Orlando, FL) |
Motor control mounting
What is claimed is: 1. A brushless d.c. motor having a rotor with a magnetic field, a stator, slots in the stator having a given width and cross section, a winding system held in the cross section of ... Read More
Inventors: von der Heide, Johann; Papst, Georg F.; Mueller, Rolf;, Assignee: Papst-Motoren GmbH & Co. KG (Black Forest, DE) |
Interconnecting ring and wire guide
An interconnecting ring and wire guide according to the present invention for an electric machine includes an annular radial ring having a radially inner edge and a radially outer edge. An axial ring ... Read More
Inventors: Michaels, Paul G.; Sheeran, Kent A.; Wallace, Craig E.; Hilton, Daniel E.; Hartsfield, Jr., Richard E.;, Assignee: Emerson Electric Co. (St. Louis, MO) |
Electromotor
I claim: 1. An electromotor comprising a rotor part and a stator part, which parts are formed into a bearing system by means of oil-containing spiral groove bearings, whereby parts of the surface of t... Read More
Inventors: Wijdenes, Jacob;, Assignee: U.S. Philips Corporation (New York, NY) |
Pneumatic and magnetic bearing type motor
In view of the foregoing, an object of the present invention is to provide a pneumatic and magnetic bearing type motor simple in construction in which, during rotation, vibration is lessened, and, whe... Read More
Inventors: Tada, Naoyuki;, Assignee: Fuji Xerox Co., Ltd. (Tokyo, JP) |
Labyrinth seal system
A labyrinth seal system of the present invention significantly prevents lubricant escaping the motor. A motor incorporating the labyrinth seal system includes at least one rotating member that rotates... Read More
Inventors: Norris, Russell Hughes;, Assignee: SAE Magnetics (H.K.) Ltd. (Portland, OR) |
Rotation shaft support structure of motor
The primary objective of the present invention is to provide a rotation shaft support structure of a motor, wherein the rotation shaft of a rotor of the motor has an end face rested on a support membe... Read More
Inventors: Horng, Alex; Hong, Ching-Shen;, Assignee: Sunonwealth Eletric Machine Industry Co., Ltd. (Kaohsiung, TW) |
Motor
The present invention has been made in view of the above-noted circumstances and an object thereof is to provide a motor which can be constructed super-compactly so that the output of the motor can be... Read More
Inventors: Aoshima, Chikara;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Spaceblock deflector for increased electric generator endwinding cooling
The invention provides a structure and method for enhancing cooling of the generator rotor by directing coolant flow towards the center of the cavities defined by and between the concentric rotor endw... Read More
Inventors: Wetzel, Todd Garrett; Jarczynski, Emil Donald; Vandervort, Christian Lee; Salamah, Samir Armando; Turnbull, Wayne Nigel Owen;, Assignee: General Electric Company (Schenectady, NY) |
Pulse-width modulation speed controllable DC brushless cooling fan
The main object of the present invention is directed to provide a cooling fan of a circuit system which occupies the same size of space as that of the conventional fixed speed fan and does not have ad... Read More
Inventors: Canon, K. N. Hsu;, Assignee: |
Rotation detecting device with magnet brake
It is an object of the present invention to provide a rotation detecting device which can apply a stable and proper braking torque to the rotor and reduce an amount of wear of the bearing to improve a... Read More
Inventors: Nishitani, Katsuo; Hirota, Masaki; Ai, Takeshi;, Assignee: Yazaki Corporation (Tokyo, JP) |
Drive system
The object according to the present invention is, therefore, to design a generic drive system in such a way that, when relative movements between the rotor arrangement and stator arrangement are carri... Read More
Inventors: Schierling, Bernhard; Manger, Alexander; Schauder, Benedikt;, Assignee: Mannesmann Sachs AG (Schweinfurt, DE) |
Gas dynamic pressure bearing apparatus
Therefore, a first object of the present invention is to provide a gas dynamic pressure bearing apparatus which has a simple structure wherein contamination is prevented by blocking an exhaust gas fro... Read More
Inventors: Gomyo, Masato; Kanebako, Hideki; Miura, Kazushi; Hayakawa, Masamichi;, Assignee: Sankyo Seiki Mfg. Co., Ltd. (Nagano-ken, JP) |
Resisting and pulling mechanism
The primary objective of the present invention is to provide a resisting and pulling mechanism which is free from the drawbacks of the prior art device described above. It is another objective of the ... Read More
Inventors: Chang, Huang-Tung;, Assignee: |
Triggered ignition system for internal combustion engines with anti-reverserunning control
We claim: 1. A signal generator generating a signal proportional to speed, comprising a rotor having an input adapted to be coupled to a drive means and rotated about an axis, a stator coupled to said... Read More
Inventors: Sleder, Richard L.; Schmiedel, Robert C.;, Assignee: Brunswick Corporation (Skokie, IL) |
Engine housing for an engine-device assembly
A unique engine housing for a vertical shaft engine is provided that enables a standard generator end, pump or other device to be directly mounted to the engine housing, without modification. In a pre... Read More
Inventors: Acker, Richard M.; Brunelli, Brian T.; Kautzer, Douglas H.;, Assignee: Briggs & Stratton Corporation (Wauwatosa, WI) |
Vertical generator assembly
I claim: 1. A vertical generator assembly comprising: an engine including an engine housing and a vertical drive shaft, the engine housing having a bottom wall including a flange having a standard law... Read More
Inventors: Frank, Kenneth M.;, Assignee: Coleman Powermate, Inc. (Kearney, NE) |
Solder-bonding structure and brushless motor having the same
The present invention addresses the above disadvantages. Thus, it is an objective of the present invention to provide a solder-bonding structure of a terminal that allows easy and proper solder-bondin... Read More
Inventors: Takahashi, Hideyuki;, Assignee: Asmo Co., Ltd. (Shizuoka, JP) |
Magnetic loops closure elements for electric motor
I claim: 1. An electric motor including a stator having a plurality of radially extending magnetically soft iron elements forming pole teeth having portions of greater and lesser diameters, a rotor at... Read More
Inventors: Hayward, William George;, Assignee: |
Generators or Motors 
