Patents by Inventor Kazuyoshi NAKASHIMA

Kazuyoshi NAKASHIMA 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).

  • Manufacturing method of heat exchanger, and heat exchanger manufactured by such manufacturing method
    Patent number: 9789564
    Abstract: The disclosed method relates to manufacturing a heat exchanger which causes no brazing defects, and a heat exchanger manufactured by the method. The method relates to manufacturing a heat exchanger having an aluminum alloy tube defining a cooling-medium flowing passage and a copper alloy tube defining a water flowing passage, wherein a heat exchange is carried out between a cooling medium flowing through the cooling-medium flowing passage and water flowing through the water flowing passage. The aluminum alloy tube and the copper alloy tube are brazed to each other at a temperature of less than 548° C.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: October 17, 2017
    Assignees: UACJ CORPORATION, DENSO CORPORATION
    Inventors: Akira Yanagida, Shoei Teshima, Takeshi Iguchi, Masakazu Morimoto, Kotaro Kitawaki, Kazuyoshi Nakashima, Takashi Murase
  • Manufacturing Method Of Heat Exchanger, And Heat Exchanger Manufactured By Such Manufacturing Method
    Publication number: 20130199763
    Abstract: The disclosed method relates to manufacturing a heat exchanger which causes no brazing defects, and a heat exchanger manufactured by the method. The method relates to manufacturing a heat exchanger having an aluminum alloy tube defining a cooling-medium flowing passage and a copper alloy tube defining a water flowing passage, wherein a heat exchange is carried out between a cooling medium flowing through the cooling-medium flowing passage and water flowing through the water flowing passage. The aluminum alloy tube and the copper alloy tube are brazed to each other at a temperature of less than 548° C.
    Type: Application
    Filed: December 14, 2012
    Publication date: August 8, 2013
    Applicants: FURUKAWA-SKYALUMINUM CORP, DENSO CORPORATION
    Inventors: Akira YANAGIDA, Shoei TESHIMA, Takeshi IGUCHI, Masakazu MORIMOTO, Kotaro KITAWAKI, Kazuyoshi NAKASHIMA, Takashi MURASE