Converter circuit
I claim: 1. In a DC to DC converter having a transformer, a secondary winding on said transformer connected to feed a load, a primary winding on said transformer, means to connect said primary winding... Read More
Inventors: Kearsley, Wayne A.;, Assignee: Flash Technology Corporation of America (Nashua, NH) |
Switching regulator having parallel diode isolated primary windings and plural secondary windings
The object of the present invention is to provide a switching regulator using one switching control circuit and one switching means and applying chopped voltages to many transformers simultaneously, a... Read More
Inventors: Ota, Naoto;, Assignee: Fanuc Ltd. (Yamanashi, JP) |
Pulsed power converter with multiple output voltages
A distributed power system for providing multiple output voltages, including pulsed voltages, to a solid-state phased-array radar T/R module, for example, comprises: an energy-storage capacitor for co... Read More
Inventors: Steigerwald, Robert L.;, Assignee: Martin Marietta Corporation (Moorestown, NJ) |
Overload protection for a switch mode power supply
FIG. 1 illustrates an zero voltage switching forward converter or power supply 300. A protection circuit 400, embodying an inventive feature, provides protection to zero voltage switching power suppl... Read More
Inventors: Fitzgerald, Jr., William Vincent;, Assignee: Thomson Licensing S.A. (Boulogne Cedex, FR) |
Zero voltage, zero current, resonant converter
An embodiment of the invention is shown in FIG. 2, wherein 10 refers to a main transformer having primary windings 12 and 14, a core 16, and secondary windings 18 and 20. Windings 12 and 14 have equa... Read More
Inventors: Archer, Michael P.;, Assignee: Shindengen Archer Corp. (Westlake Village, CA) |
Current-mode control device and switching power supply employing same
OF EMBODIMENTS OF THE INVENTION Hereinafter, the preferred embodiments of the present invention are explained in detail with reference to the drawings. FIG. 1 shows a switching power supply having a ... Read More
Inventors: Takahashi, Seiichi; Ohashi, Yasuo; Nishi, Koji;, Assignee: Murata Manufacturing Co., Ltd. (JP) |
FET power converter with reduced switching loss
While the invention is susceptible to various modifications and alternative forms, certain illustrative embodiments thereof have been shown by way of example in the drawings and will herein be descri... Read More
Inventors: Huljak, Robert J.; Newton, Stephen F.; Wallace, Kenneth A.;, Assignee: International Business Machines Corporation (Armonk, NY) |
DC to AC inverter with neutral having a resonant circuit
The present invention provides an improved inverter for converting a DC voltage into three phase AC with a neutral and also for converting a DC voltage into single phase AC with a neutral. The inventi... Read More
Inventors: Dhyanchand, John J.; Shekhawat, Sampat F.; Nguyen, Vietson M.;, Assignee: Sundstrand Corp. (Rockford, IL) |
Power conversion system with dual permanent magnet generator having prime mover start capability
In accordance with the present invention, a dual permanent magnet generator is used in a starting/generating system so that size and weight can be reduced and other advantages can be realized. More pa... Read More
Inventors: Shah, Mahesh J.; Cook, Alexander;, Assignee: Sundstrand Corporation (Rockford, IL) |
Starter/generator system with variable-frequency exciter control
In accordance with the present invention, a control for a brushless generator avoids the problems noted with respect to the prior art in a simple and inexpensive fashion. More particularly, according ... Read More
Inventors: Rozman, Gregory I.; Markunas, Albert L.; Nuechterlein, Paul E.;, Assignee: Sundstrand Corporation (Rockford, IL) |
Rectifying device for achieving a high power efficiency
OF THE INVENTION One embodiment of the present invention will be explained below with reference to the drawing. According to the present invention, a tunnel diode having the characteristic as shown i... Read More
Inventors: Morizuka, Kouhei;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Method of depositing doped refractory metal silicides using DC magnetron/RF diode mode co-sputtering techniques
What is claimed is: 1. A method of sputtering material from a pair of target electrodes onto substrate means, comprising the steps of: disposing a pair of target electrodes each having a sputtering su... Read More
Inventors: Nowicki, Ronald S.;, Assignee: The Perkin-Elmer Corp. (Norwalk, CT) |
Metallic silicide production
What is claimed is: 1. A method of forming a metallic silicide layer on a substrate, including the steps of depositing the metal and silicon on the substrate, and subsequently pulse heating the substr... Read More
Inventors: Scovell, Peter D.; Rosser, Paul J.; Tomkins, Gary J.;, Assignee: ITT Industries, Inc. (New York, NY) |
Method for electrically connecting non corrodible anodes to the corrodible core of a power supply cable
OF THE INVENTION The method of the present invention is particularly suited to connect one or more anodes placed and fixed at intervals along an insulated power supply cable passing coaxially through... Read More
Inventors: Bianchi, Guiseppe; Mussinelli, Gian L.;, Assignee: Oronzio de Nora (Lugano, CH) |
Process of solvent-free lamination using isocyanate/amine adhesives
We claim: 1. A method for the production of laminated films employing a two-component non-solvent adhesive system, which comprises the steps of applying a thin film of a mixture of (a) the reaction pr... Read More
Inventors: Bauriedel, Hans; Hasenkamp, Rainer;, Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA) (Dusseldorf-Holthausen, DE) |
Fuel cell system
In accordance with the principles of the present invention, the above and other objectives are realized in an internally reforming fuel cell system of the above-described type wherein the gas exhauste... Read More
Inventors: Baker, Bernard S.; Ghezel-Ayagh, Hossein G.;, Assignee: Energy Research Corporation (Danbury, CT) |
Fuel cell
The object of the present invention is to provide a fuel cell which can be replenished easily with an electrolyte solution, for a prolonged continuous operation. In a fuel cell according to the presen... Read More
Inventors: Shirogami, Tamotsu; Ueno, Mitsushi;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Battery cell with quaternary ammonium halide
OF THE INVENTION The present invention is directed to the corrosion inhibition of metals such as zinc and lead, when employed as anodes in primary battery cells such as the Leclanche cell, by compoun... Read More
Inventors: Hoffman, Arnold;, Assignee: Polaroid Corporation (Cambridge, MA) |
Alkali metal anode-containing cells having electrolytes of organometallic-alkali metal salts and organic solvents
What is claimed is: 1. In an electrochemical cell which contains an alkali metal anode, a cathode and a non-aqueous electrolyte, the improvement comprising; using as said electrolyte one which consist... Read More
Inventors: Klemann, Lawrence P.; Newman, Gerald H.;, Assignee: Exxon Research and Engineering Company (Linden, NJ) |
Combination optical low pass filter capable of phase and amplitude modulation
A primary object of the present invention is to provide an improved optical low pass filter having the joint advantages of both the phase type and the amplitude type of optical filters. Another object... Read More
Inventors: Ohneda, Shoichi; Okano, Yukio;, Assignee: Minolta Camera Kabushiki Kaisha (Osaka, JA) |
Fluid dispensing and mixing apparatus
In accordance with a preferred embodiment of the invention, an apparatus is provided for dispensing a first fluid from a container and mixing it with a second fluid. The apparatus comprises a housing ... Read More
Inventors: Crowell, John Arnold; Boutin, Jean Rene;, Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE) |
Quaternary alloy
OF THE PREFERRED EMBODIMENT Zinc telluride is a group II-VI semiconductor compound having an energy bandgap of 2.15 electron volts. Indium phosphide is a group III-V semiconductor compound having an ... Read More
Inventors: Hawrylo, Frank Z.;, Assignee: The United States of America as represented by the Secretary of the Air (Washington, DC) |
Regenerator temperature control
I claim: 1. A regenerator control process wherein the flow of the free oxygen containing gas into a regeneration zone is controlled responsive to the temperature in the dilute phase of the regeneratio... Read More
Inventors: Swindell, Harold J.; Thompson, Randall G.;, Assignee: Phillips Petroleum Company (Bartlesville, OK) |
Apparatus for monitoring available chlorine in swimming pools
What is claimed is: 1. Apparatus for measuring the available halogen concentration of an aqueous solution comprising: 1. an electrode compartment, 2. inlet means for feeding said aqueous solution to s... Read More
Inventors: Capuano, Italo A.;, Assignee: Olin Corporation (New Haven, CT) |
Prevention of deleterious deposits in a coal liquefaction system
What is claimed is: 1. A coal liquefaction process for reducing deleterious reaction zone deposits, which process comprises passing hydrogen and a feed slurry comprising feed coal and recycle liquid s... Read More
Inventors: Carr, Norman L.; Prudich, Michael E.; King, Jr., William E.; Moon, William G.;, Assignee: The Pittsburg & Midway Coal Mining Co. (Englewood, CO) |
Loose parts plating device
The present invention provides a straightforward economical means for electroplating selected areas of small metallic articles. Further, devices within the scope of the present invention provide means... Read More
Inventors: Francis, William L.;, Assignee: |
Monopolar electrolytic diaphragm cells with removable and replaceable dimensionally stable anodes and method of inserting and removing said anodes
We claim: 1. In a monopolar electrolytic cell, a conductive bottom, a cell can, containing spaced, hollow, tubular, diaphragm-covered cathodes, on said cell bottom, a cell top, positive current connec... Read More
Inventors: De Nora, Oronzio; Bianchi, Giuseppe; Meneghini, Giovanni;, Assignee: Oronzio de Nora Impianti Elettrochimici S.p.A. (Milan, IT) |
Adhesion between phosphor and topcoat layers of an X-ray intensifying screen
OF THE INVENTION X-ray intensifying screens comprising an active layer comprising a phosphor dispersed in a suitable binder and applied to a support and additionally containing a specific topcoat lay... Read More
Inventors: Bills, William D.; Christini, Theodore P.; Kellogg, Reid E.; Maynard, Richard B.; Zegarski, William J.;, Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE) |
Packaging of fresh fruit and vegetables
OF THE DRAWING In order further to illustrate the present invention, reference will now be made to the accompanying drawing which shows diagrammatically and by way of example a section through a pack... Read More
Inventors: Ferrar, Andrew N.; Jones, Arthur N.; Taylor, Albert P.;, Assignee: Bunzl Flexpack Limited (GB) |
Battery charger adapter
While this invention is susceptible of embodiment in many different forms, there is shown in the drawings and will hereinafter be described in detail a preferred embodiment of the invention, and modi... Read More
Inventors: Mullersman, Ferdinand H.;, Assignee: General Electric Company (Worthington, OH) |
Fuel Cells 
