Patents by Inventor Mitsuo Ujiie

Mitsuo Ujiie 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).

  • Blower apparatus having a casing and motor flange having noise reducing configuration
    Patent number: 5716200
    Abstract: A motor 2 has a motor flange 6 for supporting the weight of the motor and is installed on a blower casing 5. The motor flange 6 has a dimension in the radial direction of the motor which is smaller than the outer diameter of the fan 1 and extends in the radial direction of the motor 2 from an outer peripheral portion of the motor 2. A motor casing 5 is formed by a flange portion 5a having an outside installing portion 5m and an inside supporting portion 5n, and a cylindrical shaped housing portion 5b. The outside installing portion 5m has a dimension in the radial direction of the motor which is larger than the outer diameter of the fan 1 and the inside supporting portion 5n has a dimension in the radial direction of the motor which is smaller than the outer diameter of the fan 1. The motor 2 is installed on the blower casing 4 through the outside installing portion 5m of the motor casing 5.
    Type: Grant
    Filed: April 18, 1996
    Date of Patent: February 10, 1998
    Assignees: Hitachi, Ltd., Hitachi Car Engineering Co., Ltd.
    Inventors: Mitsuaki Mirumachi, Mitsuo Ujiie, Yoshinori Fukasaku, Takashi Yokoyama