Patents by Inventor Seiichi Tanabe

Seiichi Tanabe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4699852
    Abstract: The present application provides a fuel battery by which a loss due to electric resistance in a cathode, an electrolyte and an anode is decreased and which comprises a plurality of unit fuel cells each having the cylindrical anode, the cylindrical solid electrolyte in contact with the anode and the cylindrical cathode in contact with the cylindrical solid electrolyte, with the plurality of unit fuel cells being connected to each other with the interposition of connectors, the fuel battery being characterized in that the thickness of the anode is smaller with distance from the portion thereof connected to the cathode of the adjacent fuel cell, and the thickness of the cathode is smaller with distance from the portion thereof connected to the anode of the other adjacent fuel cell.
    Type: Grant
    Filed: August 22, 1986
    Date of Patent: October 13, 1987
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Jiro Yokoyama, Seiichi Tanabe
  • Patent number: 4683177
    Abstract: A power generation system in a fuel cell having an air preheater for preheating air for a fuel cell reaction which will be fed to an afterburner of a high-temperature solid electrolyte type fuel cell, characterized by disposing, between the air preheater and the afterburner, a combustor for performing an additional combustion after the temperature of the air for the reaction has been elevated by the air preheater.
    Type: Grant
    Filed: July 25, 1986
    Date of Patent: July 28, 1987
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Tomohiro Kinoshita, Seiichi Tanabe, Eishiro Sasakawa
  • Patent number: 4595642
    Abstract: A fuel cell composite plant characterized by comprising a fuel cell, a device for feeding a fuel gas to an anode of the fuel cell, a gas separator for feeding a high-purity oxygen gas containing argon to a cathode of the fuel cell, a combustor for burning unreacted gases from the anode and the cathode, and a cooling device for condensating and removing water from a burned gas in order to obtain an argon gas.
    Type: Grant
    Filed: September 5, 1985
    Date of Patent: June 17, 1986
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Kenichi Nakanishi, Seiichi Tanabe, Jun Izumi
  • Patent number: 4086020
    Abstract: A hydraulic machine comprising a runner of the Francis type having a crown ring with a plurality of first and second balance holes. The first balance holes are formed in the crown ring for communicating between a runner crown chamber defined between the crown ring and an upper cover disposed in spaced juxtaposed relation with the crown ring and low pressure sections defined by blades interposed between the crown ring and a shround ring. The second balance holes are formed in the crown ring for communicating between the runner crown chamber and the interior of a runner boss whereby the first and second balance hole means have reverse thrust characteristics with respect to each other.
    Type: Grant
    Filed: July 7, 1976
    Date of Patent: April 25, 1978
    Assignee: Hitachi, Ltd.
    Inventors: Seiichi Tanabe, Syoji Ito