Patents by Inventor Etsuo Oe

Etsuo Oe 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).

  • Liquid absorbent for absorption type refrigerator
    Patent number: 4454052
    Abstract: A stabilized absorption composition comprising (a) a halogenated hydrocarbon refrigerant, (b) a liquid absorbent of a polyethylene glycol methyl ether and (c) at least one stabilizer selected from phosphite esters, epoxy compounds and organotin compounds is excellent in stability and can be used for an absorption type refrigerator for a long period of time without causing corrosion.
    Type: Grant
    Filed: January 26, 1982
    Date of Patent: June 12, 1984
    Assignee: Hitachi, Ltd.
    Inventors: Mitsuyoshi Shoji, Etsuo Oe, Yoshiharu Honma, Shigeki Komatsuzaki, Moriichi Sato, Ren Ito
  • Open-type boiling cooling apparatus
    Patent number: 4106557
    Abstract: An apparatus for cooling a heat generating member by utilizing the latent heat of vaporization of a boiling refrigerant, having a cooling vessel including an evaporator section containing the boiling refrigerant and adapted to transmit the heat generated by the heat generating member to the refrigerant, and a condenser section for liquefying the gasified refrigerant; a liquid refrigerant reservoir open at its upper end and adapted to store a body of the refrigerant which does not directly take part in a cooling operation while the cooling operation is being performed; and a communication means for communicating the cooling vessel with the liquid refrigerant reservoir, the cooling vessel and the communication means being filled with the boiling refrigerant.
    Type: Grant
    Filed: September 8, 1976
    Date of Patent: August 15, 1978
    Assignee: Hitachi, Ltd.
    Inventors: Hisao Sonobe, Sadayuki Okada, Etsuo Oe, Hideo Tsukioka, Moriichi Sato