Dual active clamp, zero voltage switching power converter
The present invention recognizes that the magnetizing current in the forward converter's transformer is a source of energy that could be used to reduce the voltage across the converter's primary switc... Read More
Inventors: Smith, David A.;, Assignee: Astec International, Ltd. (Hong Kong, HK) |
Phase-difference synchronization controlling circuit of parallel switching mode power supply
Accordingly, it is an object of the present invention to provide a power supply in which operation of two power supplies is done with a phase difference of 180.degree. when the two power supplies are ... Read More
Inventors: Choi, Seung;, Assignee: SamSung Electronics Co., Ltd. (Suwon, KR) |
Production of nanaomycin B
What is claimed is: 1. A process for producing nanaomycin B by fermentation which comprises the steps of culturing Streptomyces rosa var. notoensis in a medium containing carbon sources, nitrogen sour... Read More
Inventors: Omura, Satoshi; Tanaka, Haruo; Awaya, Juichi; Hata, Toju;, Assignee: The Kitasato Institute (Kitasato Kenkyusho) (Tokyo, JP) |
Flat batteries and method of making the same
Having thus described the invention, what is claimed is: 1. In a thin, flat laminar battery, a subassembly comprising a frame of liquid impervious insulating material at least the exterior surfaces of... Read More
Inventors: Kinsman, Gordon F.;, Assignee: Polaroid Corporation (Cambridge, MA) |
Laminar cells and methods for making the same
Having thus described the invention, what is claimed is: 1. In an electrical cell, the combination comprising a thin sheet of ion permeable separator material; a first electrolyte permeable layer of a... Read More
Inventors: Kinsman, Gordon F.;, Assignee: Polaroid Corporation (Cambridge, MA) |
Electric accumulator and storage cell
I claim: 1. A lead-acid accumulator or storage cell comprising: a first and a second stack of mutually spaced thin metal foils disposed in interleaved relationship and forming positive and negative pl... Read More
Inventors: Scholl, Gunter; Pauls, Joachim;, Assignee: |
Preparation and doping of semiconducting forms of CuAlS.sub.2
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. A semiconducting essentially colorless copper aluminum sulfide having chalcopyrite te... Read More
Inventors: Donohue, Paul C.;, Assignee: E. I. Du Pont de Nemours & Company (Wilmington, DE) |
Method to produce a protective oxide on the surface of positive nickel electrodes for galvanic cells
We claim: 1. The method for the production of a thin protective layer of nickel oxide on the surface of a porous nickel electrode for use in a galvanic cell comprising contacting the nickel electrode ... Read More
Inventors: Bauer, Martin; Ewe, Henning; Justi, Eduard;, Assignee: Varta Batterie Aktiengesellschaft (Kelkheim, Taunus, DT); Siemen AG (Kelkheim, Taunus, DT) |
Low voltage D.C. to D.C. converter
In recognition of the problems intrinsic to the conventional driven and self-oscillating d.c. to d.c. converters: It is an object of the present invention to provide a d.c. to d.c. converter that oper... Read More
Inventors: Lazar, James F.; Hulsey, Stephen J.;, Assignee: Hughes Aircraft Company (Los Angeles, CA) |
PWM power supply with synchronous rectifier and synchronizing oscillator
OF THE PREFERRED EMBODIMENTS Now, the invention will be described in detail in conjunction with embodiments thereof illustrated in the drawings. FIG. 1 shows the circuit construction of a power suppl... Read More
Inventors: Suzuki, Koji;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Optical pick-up apparatus
Accordingly, the present invention has a purpose, in view of above-described problems or disadvantages encountered in the prior art, to provide an optical pick-up apparatus capable of realizing both t... Read More
Inventors: Horinouchi, Syougo;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP) |
Zero-voltage-switched multi-resonant converters including the buck and forward type
The present invention relates to a multi-resonant-switching network that operates under switching conditions that are favorable to both the active switch and the diode that constitute the switch. In a... Read More
Inventors: Tabisz, Wojciech A.; Lee, Fred C.;, Assignee: Virginia Tech Intellectual Properties, Inc. (Blacksburg, VA) |
Simultaneous capacitive open-circuit testing
The present invention reduces the time required for a capacitive-type open-circuit test to a fraction of what was previously necessary. It does so by enabling pins of the same integrated-circuit devic... Read More
Inventors: Khazam, Moses; Mastrocola, Aldo;, Assignee: GenRad, Inc. (Concord, MA) |
Power factor correction precompensation circuit
OF THE EMBODIMENTS FIG. 1 illustrates a power factor correction (PFC) circuit embodiment of the present invention, referred to by the general reference numeral 10. The PFC circuit 10 comprises a brid... Read More
Inventors: Leman, Brooks R.; Balakrishnan, Balu;, Assignee: Power Integrations, Inc. (Sunnyvale, CA) |
Switching regulator power supply
I claim: 1. A power supply circuit for driving a DC load device comprising: a primary DC voltage source subject to interruptions in operation coupled to an input terminal of said DC load device for pr... Read More
Inventors: Kiteley, Kenneth J.;, Assignee: Zenith Electronics Corporation (Glenview, IL) |
Sodium-sulfur battery
AND PREFERRED EMBODIMENTS Turning now to the drawing, attention is specifically directed to FIG. 1 which illustrates a sodium-sulfur battery or cell which is constructed in accordance with the presen... Read More
Inventors: Dubin, Robert R.;, Assignee: Electric Power Research Institute, Inc. (Palo Alto, CA) |
Process for removing and recovering acidic gases from gaseous mixtures containing them
What is claimed is: 1. A cyclic and regenerative process for the removal and recovery of at least one acid gas from a mixture of gases including carbon dioxide comprising: electrolyzing an aqueous alk... Read More
Inventors: Cooper, Hal B. H.;, Assignee: |
Removal of chlorate from electrolytic cell anolyte
OF INVENTION The present invention will be described in more detail by a discussion of the accompanying drawing. Membrane cell 11 is illustrated with two compartments, compartment 13 being the anolyt... Read More
Inventors: Lai, Peter; Szymanski, Stanley; Christensen, Norman L.;, Assignee: Hooker Chemicals & Plastics Corp. (Niagara Falls, NY) |
Process for producing hydrogen fluoride from fluorine containing materials by continuous pyrohydrolysis
OF THE PREFERRED EMBODIMENT FIG. 1 shows a rotating pipe reactor 1 with a feed screw 2 located at the upper end of the reactor for conveying carbon and fluorine-rich materials (e.g. waste products fr... Read More
Inventors: Kruger, Jorg; Thome, Roland; Moritz, Dieter; Bings, Hubert; Losert, Herbert;, Assignee: Vereinigte aluminium-Werke Aktiengesellschaft (Bonn, DE) |
Cermet anode electrowining metals from fused salts
The invention provides cermet anodes which are suitable for electrowinning metals from fused salt baths, especially aluminium from fused cryolite-alumina and are composed of a ceramic phase and a met... Read More
Inventors: Duruz, Jean-Jacques R.; Derivaz, Jean-Pierre;, Assignee: Diamond Shamrock Corporation (Dallas, TX) |
Battery terminal construction
We claim: 1. A lead storage battery having terminals made of lead and characterized in that; the terminals have inserts made of metal having lower electrical resistance and higher mechanical strength ... Read More
Inventors: Lotzsch, Ulrich; Schuster, Heinz;, Assignee: Varta Batterie Aktiengesellschaft (DT) |
Rechargeable electrical energy storage device
The benefits and advantages of the present invention are achieved by a rechargeable electrical energy storage system which preferably, but not necessarily, is employed for supplying electrical power t... Read More
Inventors: Symons, Philip C.; Amato, Carmelo J.;, Assignee: Energy Development Associates (Madison Heights, MI) |
Metal-halogen cell operation with storage of halogen via organic complexation external to the electrochemical cell
We claim: 1. A battery system comprising at least one cell, an electrolyte containing halogen therein and at least one negative electrode and one halogen positive electrode positioned in said cell, a ... Read More
Inventors: Putt, Ronald A.; Montgomery, Mark J.;, Assignee: Electric Power Research Institute, Inc. (Palo Alto, CA) |
Conversion of solar energy to chemical and electrical energy
We claim: 1. A process for conversion of solar energy to electrical energy by using a photoelectrochemical membrane cell to regenerate a redox anolyte of a redox-oxygen cell for production of electric... Read More
Inventors: Ang, Peter G. P.; Sammells, Anthony F.;, Assignee: Institute of Gas Technology (Chicago, IL) |
Vehicle storage battery cell
We claim: 1. A storage battery cell having positive and negative plate stacks within a housing with a lid, said stacks having pole bolts protruding through the lid, and plate rests extending down from... Read More
Inventors: Trippe, Gerwin; Brinkman, Jurgen;, Assignee: Varta Batterie Aktiengesellschaft (Hannover, DT) |
Polyphenyl-1,4-phenylene terephthalates and fibers therefrom
OF THE INVENTION The polyesters of the invention may be prepared, spun and the fibers heat treated to increase tenacity by the general procedure shown in German OS Nos. 2,520,819 and 2,520,820 and sp... Read More
Inventors: Payet, Charles R.;, Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE) |
Food preparing machine
What is claimed is: 1. In a food processing machine having a casing enclosing an electric motor adapted to drive one or more detachable food processing implements, the improvement wherein said machine... Read More
Inventors: Carlsson, Karl L.;, Assignee: Aktiebolaget Electrolux (Stockholm, SE) |
Drive force distribution control system for motor vehicle
It is an object of the present invention to provide a drive force distribution control system for controlling drive forces to be distributed to a pair of laterally spaced drive road wheels of a motor ... Read More
Inventors: Shibahata, Yasuji;, Assignee: Honda Giken Kogyo Kabushiki Kaisha (Tokyo, JP) |
Restricting device for a differential in a motor vehicle
OF THE PREFERRED EMBODIMENTS FIGS. 1a and 1b show a power transmission system in a front-wheel drive motor vehicle having an engine 10 longitudinally mounted at a front portion thereof, and a transax... Read More
Inventors: Kobayashi, Toshio;, Assignee: Fuji Jukogyo Kabushiki Kaisha (Tokyo, JP) |
Cylindrical cargo securement apparatus and method therefore
We claim: 1. Apparatus for securing objects to supporting platforms and including: a pair of spaced apart parallel elongated tracks attached to said platform; a pair of end chocks, each one of said en... Read More
Inventors: Feary, Steven L.; Boesel, Bradley W.;, Assignee: Carriers Securement Systems, Inc. (Ft. Mitchell, KY) |
Fuel Cells 
