Patents by Inventor Yosiharu Kajikawa

Yosiharu Kajikawa 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: 5448899
    Abstract: A refrigerant evaporator for a refrigeration cycle which separates a refrigerant of a two-phase gas and liquid state introduced from a pressure reduction means into a liquid refrigerant and a gas refrigerant by a gas and liquid separation means and distributes at least the liquid refrigerant to a plurality of refrigerant passageways of a heat exchange portion by a distribution means such as a tank. The distributed refrigerant has a single phase such as a liquid refrigerant and therefore the distribution is uniformly and equally carried out, the efficiency of the evaporator becomes higher, and the size can be reduced.
    Type: Grant
    Filed: October 20, 1993
    Date of Patent: September 12, 1995
    Assignee: Nippondenso Co., Ltd.
    Inventors: Toshio Ohara, Yoshiyuki Yamauchi, Masahiro Shimoya, Etuo Hasegawa, Keiichi Yoshii, Keiichi Kitamura, Kenichi Fujiwara, Yasushi Yamanaka, Hisayoshi Sakakibara, Yosiharu Kajikawa
  • Patent number: 4707999
    Abstract: A receiver has a good usage for receiving coolant in a refrigerant circuit. The receiver can improve the fixing and the connecting operation when the receiver is connected with the refrigerant circuit provided in an automotive engine room. The receiver is comprised of a receiver housing having a flat upper surface and a couple of block joints having a flat lower surface. The block joints are furnished on the upper surface of the receiver housing by screwing. The block joints have connecting halls an inlet and an outlet pipes are jointed therein. At least one of the connecting halls are formed vertically so that at least one of the inlet and the outlet pipes elongates upwardly. Therefore, the inlet or the outlet pipe has advantage to be connected easily and effectively.
    Type: Grant
    Filed: February 21, 1986
    Date of Patent: November 24, 1987
    Assignee: Nippondenso Co., Ltd.
    Inventors: Hiromi Ohta, Shinji Ogawa, Yosiharu Kajikawa, Keiichi Fukumura, Kiyomitsu Tsuchiya, Kiyoshi Kittaka, Katsushi Narita