Patents by Inventor Hiroshi CHIMURA

Hiroshi CHIMURA 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).

  • Publication number: 20230417495
    Abstract: A heat exchanger includes: a fin extending in a widthwise direction along an air flow direction and extending in a longitudinal direction crossing the air flow direction; and a heat transfer tube passing through the fin. The fin has a through hole. The heat transfer tube is inserted into the through hole. Each fin includes a planar portion, and a first protruding portion and a second protruding portion protruding from the planar portion. The first protruding portion is curved along the longitudinal direction. The second protruding portion has an extending portion extending in the longitudinal direction. The extending portion is located to overlap a center of the through hole in the widthwise direction.
    Type: Application
    Filed: November 27, 2020
    Publication date: December 28, 2023
    Inventors: Tsuyoshi MAEDA, Akira YATSUYANAGI, Satoru YANACHI, Hiroshi CHIMURA, Tomohiko TAKAHASHI