Patents by Inventor Shoji Tsunekawa

Shoji Tsunekawa 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).

  • Air conditioner with outside air introduction path
    Patent number: 5295531
    Abstract: An air conditioner having a partition for partitioning the inside thereof into indoor and outdoor sections with an intake port. A damper is provided at the intake port so that an outdoor air introduction path of the outdoor section and an outdoor air discharge path are cut off when introducing outdoor air by opening the damper. Air the outdoor air introduction path is guided into the indoor section.
    Type: Grant
    Filed: September 2, 1992
    Date of Patent: March 22, 1994
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Shoji Tsunekawa, Koji Mori, Yoshiki Ikari, Fujio Suzuki, Toshiyuki Komuro, Toshimasa Tsukui
  • Air conditioner
    Patent number: 5203400
    Abstract: In the present invention, for facilitating inspecting of a centrifugal type fan set in an air conditioner, a fan scroll is provided having a nose portion and a scroll portion of the fan scroll which are integrally molded, and the back of the fan scroll is mounted on a partitioning plate in the air conditioner. The scroll has a vent opening in its front portion and a discharge opening in its top portion, the two openings merging and being continuous and being large enough to permit removal of the fan therethrough.
    Type: Grant
    Filed: December 27, 1990
    Date of Patent: April 20, 1993
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Shoji Tsunekawa, Koji Mori, Fujio Suzuki, Yoshiki Ikari