Linear motor driven conveying apparatus
What is claimed is: 1. A linear motor driven conveying apparatus for conveying trucks by means of a linear motor, said linear motor including primary members provided along the path of travel of the t... Read More
Inventors: Murai, Masasumi; Nishiyama, Jun;, Assignee: Tsubakimoto Chain Company (Osaka, JP) |
Method and apparatus for a downhole current generator
The present invention is directed to a downhole current generator for generating current in a wellbore. The current generator includes a power section, which includes a first housing, a sleeve slidabl... Read More
Inventors: Skinner, Neal G.; Ringgenberg, Paul D.;, Assignee: Halliburton Energy Services, Inc. (Dallas, TX) |
Engine generator apparatus and method of operating same
What is claimed is: 1. An engine generator apparatus having a motor/generator operated in a motor mode for starting an engine and in a generator mode to be driven by the engine, comprising: first cont... Read More
Inventors: Mitsui, Tsutomu;, Assignee: Aisin Seiki Kabushiki Kaisha (Kariya, JP) |
Cold-cathode fluorescent lamp lighting device
In view of the foregoing, an object of this invention is to provide a cold-cathode fluorescent lamp lighting device which is able to light a cold-cathode fluorescent lamp in a highly efficient manner.... Read More
Inventors: Hashimoto, Kazuo; Nakayoshi, Hirokazu;, Assignee: Sony Corporation (Tokyo, JP) |
Three-phase induction motor
It is an object of the present invention to eliminate the conventional problems described above and to provide a compact three-phase induction motor producing less torque ripple. The three-phase induc... Read More
Inventors: Iijima, Hiroshi; Endo, Tetsuo; Miyamoto, Yukio; Okamoto, Kiyokazu;, Assignee: NEC Corporation (JP) |
Permanent magnet generator with auxiliary winding
In accordance with the present invention, a generator is adapted to utilize leakage flux to supply control power for electrical components. More particularly, an improvement in a generator having a ro... Read More
Inventors: Shah, Mahesh J.;, Assignee: Intellectual Property Law Department Sundstrand Corporation (Rockford, IL) |
Switched reluctance motor with indirect position sensing and magnetic brake
In general terms, a switched reluctance motor designed in accordance with this invention includes a rotor that rotates about an axis and has a plurality of rotor poles. A stator that is stationary abo... Read More
Inventors: McCann, Roy A.;, Assignee: ITT Automotive Electrical Systems Inc. (Auburn Hills, MI) |
Motor vehicles
I claim: 1. A truck comprising: a. a chassis on which an engine is mounted; b. a cab tiltably mounted on the chassis and in its operative position overlying the engine at least in part; c. an enclosur... Read More
Inventors: Anderson, James;, Assignee: British Leyland UK Limited (London, EN) |
High speed motor with two-phase cooling system
The object of the invention is to produce an electrically rotating machine, in particular a high-speed motor, whose cooling assures the conveyance of dissipated heat. Accordingly, the present inventio... Read More
Inventors: Boldlehner, Hans-Georg;, Assignee: Elin Motoren GmbH (Vienna, AT) |
Rotor for a dynamoelectric machine
It is the principal object of the invention to provide a dynamoelectric machine with a new and improved rotor. More specifically, it is an object of the invention to provide such a machine with a mean... Read More
Inventors: Halsey, David G.; Mansir, Hassan; Grennan, Robert; Greenlee, William J.; Nguyen, Dam;, Assignee: Hamilton Sundstrand Corporation (Windsor Locks, CT) |
Vehicle mounted motor with rotor having ferrite magnet section with embedded permanent magnet pieces therein
I claim: 1. A motor mounted in a vehicle, having a rotor comprising a permanent magnet section formed as a cylindrical section, made of a ferrite magnet material and having a plurality of recesses cir... Read More
Inventors: Kawakami, Tsukasa;, Assignee: Shibaura Engineering Works Co., Ltd. (Tokyo, JP) |
Electric motor having an improved airflow cooling system
The present invention is directed to a switched reluctance motor that creates an improved airflow path for cooling motor components in an efficient manner. The motor includes a support frame having an... Read More
Inventors: Gierer, Joseph T.; Cox, Karmen D.;, Assignee: Emerson Electric Co. (St. Louis, MO) |
Motor
An object of the present invention is to provide a motor capable of preventing the abrasion dust of the brushes from intruding into a ball and roller bearing. According to the present invention, a mot... Read More
Inventors: Aoki, Susumu; Onodera, Tsugio;, Assignee: Mitsuba Electric Manufacturing Co., Ltd. () |
Axial gap machine phase coil having tapered conductors with increasing width in radial direction
The present invention increases the torque capacity of an electric axial (gap machine and/or reduces its weight and/or size by replacing the uniform cross-section phase coil conductors with tapered co... Read More
Inventors: Rao, Dantam K.;, Assignee: |
Synchronous type electrical machine
The invention provides a synchronous electrical machine comprising a rotor and a stator, each having a plurality of notches, wherein the rotor is a stack of laminations without conductor windings and ... Read More
Inventors: Permuy, Alfred;, Assignee: Valeo Electronique (Creteil, FR) |
Drip-proof type electrical rotating machine
An object of the invention is to provide a electrical rotary machine with improved cooling effect and which is provided with a unique air passing hole of an air guide. Another object of the invention ... Read More
Inventors: Shimamoto, Koji; Shimizu, Mitsuo; Yamashita, Takao;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Stator wedge having abrasion-resistant edge and methods of forming same
In view of the foregoing, the present invention advantageously provides a stator wedge and methods of forming the same which is relatively easy, less expensive, and takes substantially less time to ma... Read More
Inventors: Rowe, Charles M.; Coronel, Lorenzo E. Ramirez;, Assignee: Siemens Westinghouse Power Corporation (Orlando, FL) |
Armature for an electric rotary machine and method of manufacturing the same
An object of the invention is to eliminate the drawbacks of the prior art and provide an armature for an electric rotary machine having a structure which assures forming of curved anchors over the ope... Read More
Inventors: Honshima, Teruhisa; Watanabe, Yasuaki; Takahachi, Akira; Samata, Tadayochi; Tohkairin, Akira; Ogasawara, Nobuhiko;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Insulated coil and coiled frame and method for making same
A preferred embodiment of the present invention substantially avoids the aforementioned difficulties associated with the assembly and use of conventional coils and coiled frames. Generally speaking, t... Read More
Inventors: Holmes, Carl Alfred; Koca, Robert Michael; Fisher, William Donald;, Assignee: General Electric Company (Erie, PA) |
Homopolar generator
It is an object of this invention to provide an improved direct current generator device. It is another object of this invention to provide an improved homopolar capacitor generator. It is an addition... Read More
Inventors: Clark, Richard;, Assignee: |
Electrical machine with permanent magnets
What is claimed is: 1. An electric machine comprising the following features: (a) an outer, first stator part and an inner, second stator part, the two stator parts being coaxial and being radially sp... Read More
Inventors: Ehrhart, Peter; Lucas, Christian;, Assignee: Magnet-Motor Gesellschaft fur Magnetmotorische Technik MBH (Starnberg, DE) |
Commutation device, especially a commutator, and method for producing such a device
Objects of the present invention are to provide a commutator exhibiting high accuracy with respect to its geometric dimensions and high long-term stability, while being simple to manufacture. The segm... Read More
Inventors: Wagner, Armin; Wisinger, Claudia; Roth, Dieter Michael; Eigner, Michael; Konig, Eckhard;, Assignee: Kirkwood Industries GmbH (Herrenberg, DE) |
Reluctance motor having magnetic poles formed by laminating steel plates in circumferential direction
The present invention has been made to solve the problem as stated above and its object is to reduce the iron loss and provide a reluctance motor having compactness, a high efficiency and a high outpu... Read More
Inventors: Kawabata, Yasutomo; Miura, Tetsuya; Hirako, Masaru;, Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota, JP) |
Electric motor assembly for a vehicle steering system
The present invention is directed to an electric motor assembly for a vehicle steering system. The assembly includes a housing having an interior sidewall portion and spaced apart end portions. The as... Read More
Inventors: Engelbert, Lu;, Assignee: TRW Inc. (Lyndhurst, OH) |
Electric motor having a stator with an end core part having a different shape than a central core part
It is the object of the present invention to provide a low-priced electric motor wherein a coil end part as described above is utilized effectively and the coil is easy to assemble due to the enhanced... Read More
Inventors: Sakai, Toshihiko; Taneda, Yukinori; Hiramatsu, Hiromichi; Yamamoto, Noriaki; Enomoto, Yuji; Ishigami, Takashi; Ito, Motoya; Tajima, Fumio; Senoh, Masaharu; Shibukawa, Suetaro;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Rack and pinion mechanism for moving a unit absorbing neutrons in a nuclear reactor
The object of the invention is therefore a rack and pinion mechanism for moving a unit absorbing neutrons, movable vertically in a nuclear reactor for controlling the power and for emergency shutdown ... Read More
Inventors: Martin, Jean;, Assignee: Framatome (Courbevoie, FR) |
Palladium dental alloy
What is claimed is: 1. A homogeneous fine grained palladium alloy consisting essentially of
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Weight Percent
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Inventors: Wagner, Armin C.;, Assignee: W. C. Heraeus GmbH (Hanau am Main, DE) |
Tantalum-columbium-molybdenum-tungsten alloy
What is claimed is: 1. A refractory metal alloy consisting essentially of, in weight percent, tantalum 56 to 68, molybdenum 1.5 to 5.0, tungsten 2.0 to 5.0 and the balance columbium plus normal impuri... Read More
Inventors: Huber, Jr., Louis E.; Schwartz, Harry D.;, Assignee: Cabot Corporation (Kokomo, IN) |
Copper free dental gold alloys
What is claimed is: 1. A copper free dental gold alloy consisting essentially of 25 to 40% silver, 40 to 60% gold, 5 to 20% palladium, 0.05 to 0.5% iridium, 0 to 6% indium 0 to 6% tin and 0 to 2% zinc... Read More
Inventors: Wagner, Ewald;, Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals Roessler (Frankfurt, DT) |
Gallium and silver free, palladium based dental alloys for porcelain-fused-to-metal restorations
I claim: 1. A dental alloy for porcelain-fused-to-metal restorations consisting essentially of, on a weight basis, about 60-90% palladium, an effective amount of ruthenium up to about 2% for the purpo... Read More
Inventors: Prasad, Arun;, Assignee: Jeneric Industries, Inc. (Wallingford, CT) |
Metal Working 
