Patents by Inventor Yukihisa Tsuchimoto

Yukihisa Tsuchimoto 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).

  • Method for machining a scroll member
    Patent number: 5630684
    Abstract: A method for machining a groove in a sealing member and the edges of the groove. A tool 24 is formed with a top portion 24 having cutter sections 23A, each defining a cutting edge 23 for machining a groove in a scroll wall of a scroll member, and a tapered part 25 having cutter sections 26A, each defining a cutting edge 26 for bevelling the edges of the groove and the edges of the scroll wall. The groove 9 and edges 11 are simultaneously machined.
    Type: Grant
    Filed: April 25, 1995
    Date of Patent: May 20, 1997
    Assignees: Nippondenso Co., Ltd., Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    Inventors: Yukio Yamaguchi, Junichi Iio, Norio Suzuki, Kouji Mikami, Masaaki Enya, Yukihisa Tsuchimoto, Yasuhiro Miura, Tomomi Ohno
  • Method for machining scroll member
    Patent number: 5581880
    Abstract: A method for shaping a scroll member for a scroll compressor, capable of increasing a service life of a cutter tool, while reducing the cost. At the corner between the base plate 2 and a scroll wall, a roundness 3a of a small radius R1 of curvature is first machined along an entire length of the scroll wall in its spiral direction. Then, a roundness 3b of a large radius R2 of curvature is machined only at a spirally inner end of the scroll wall.
    Type: Grant
    Filed: April 26, 1995
    Date of Patent: December 10, 1996
    Assignees: Nippondenso Co., Ltd., Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    Inventors: Junichi Iio, Yukio Yamaguchi, Norio Suzuki, Shigeki Iwanami, Masaaki Enya, Yukihisa Tsuchimoto, Tomomi Ohno, Shinya Yamamoto, Yasuhiro Miura