Patents by Inventor Mituo Kodoh

Mituo Kodoh 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).

  • Fin assembly for heat exchangers
    Patent number: 4469168
    Abstract: A fin assembly for heat exchangers used in air conditioners or the like. The fin assembly is formed from a thin plate material which is bent and wound to have a plurality of alternating turns each of which constitutes a fin. The fin is provided with a multiplicity of louvers cut-out and raised from the major plane thereof. The fins are inclined at an angle .theta. which is 30.degree. or smaller to the direction of flow of the gas entering the fin assembly, while the louvers are inclined at an angle .gamma. which is 20.degree. or smaller to the direction of flow of the gas entering the fin assembly in the direction opposite to the direction of inclination of the fin plates.
    Type: Grant
    Filed: February 25, 1981
    Date of Patent: September 4, 1984
    Assignee: Hitachi, Ltd.
    Inventors: Masaaki Itoh, Mituo Kodoh, Akira Tomita, Masakatsu Hayashi, Takeo Tanaka