Patents by Inventor Hiroyoshi Kusakabe

Hiroyoshi Kusakabe 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).

  • Absorption heat pump system
    Patent number: 4505123
    Abstract: An absorption heat pump system having a generator, a condenser, an evaporator and an absorber connected hermetically to form closed cycles for a refrigerant and an absorbent, comprising a control means disposed in the refrigerant passage leading from said condenser to said evaporator and adapted to continuously controlling the temperature or flow rate of the liquid refrigerant, thereby to stabilize the temperature in said evaporator.
    Type: Grant
    Filed: February 4, 1983
    Date of Patent: March 19, 1985
    Assignees: Sanyo Electric Co., Ltd., Tokyo Sanyo Electric Co., Ltd.
    Inventors: Hiroyoshi Kusakabe, Hideo Ishiko, Takeshi Okumura, Masashi Izumi, Masahiro Furukawa
  • Air conditioning system making use of waste heat
    Patent number: 4307577
    Abstract: An air conditioning system making use of waste heat comprising a compound absorption refrigeration machine and absorption type heat pump for both cooling and heating. The refrigeration machine and the heat pump are connected in parallel to the load to obtain hot water for utility of air heating, and the refrigeration machine operates utilizing hot water produced by the heat pump to produce cold water for air cooling.
    Type: Grant
    Filed: March 27, 1980
    Date of Patent: December 29, 1981
    Assignees: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventors: Hideyuki Watanabe, Tadao Shimada, Yonezo Ikumi, Atsuo Fukino, Hiroyoshi Kusakabe