Patents by Inventor Tsukasa Arimura

Tsukasa Arimura 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).

  • Heat exchanger
    Patent number: 6938675
    Abstract: In order to enhance the working efficiency of assembling a heat exchanger in which two types of heat exchangers are integrated, there is provided a heat exchanger in which the size of the dummy tubes, which are the third tubes arranged in the portion between the first and the second radiator, and that of the first and the second tubes are made to be the same and further the size of the fins arranged between the dummy tubes and that of the first and the second fins are made to be the same. In order to reduce the occurrence of defective brazing of the separator to the header tank and in order to make it possible to easily repair the defective brazing portion, there is provided a hole in a portion of the header tank.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: September 6, 2005
    Assignee: DENSO Corporation
    Inventors: Hiroshi Kokubunji, Tsukasa Arimura, Yoshitake Hoshino
  • Heat exchanger
    Publication number: 20020040776
    Abstract: In order to enhance the working efficiency of assembling a heat exchanger in which two types of heat exchangers are integrated, there is provided a heat exchanger in which the size of the dummy tubes, which are the third tubes arranged in the portion between the first and the second radiator, and that of the first and the second tubes are made to be the same and further the size of the fins arranged between the dummy tubes and that of the first and the second fins are made to be the same. In order to reduce the occurrence of defective brazing of the separator to the header tank and in order to make it possible to easily repair the defective brazing portion, there is provided a hole in a portion of the header tank.
    Type: Application
    Filed: October 9, 2001
    Publication date: April 11, 2002
    Inventors: Hiroshi Kokubunji, Tsukasa Arimura, Yoshitake Hoshino