Patents by Inventor Yasunari Takada

Yasunari Takada 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).

  • Electric motor with bobbin columns to prevent bulging coils
    Patent number: 5350960
    Abstract: An electric motor in which an inner ring magnetic pole portion (10) consisting of magnetic pole pieces (7) is fitted into an outer ring yoke portion (5) to form stator core (6); an insulating resin is shaped and fixed, the insulating resin includes coil guards (16) which protrude on one end face of the inner ring magnetic pole portion (10); grooves for inserting insulating wedges (31) are formed on the side wall of the coil guards (16); a rotor (17) is inserted into the inner ring magnetic pole portion (10); an insulating cover (19) which consists of pins (25) and bobbin columns (20) including outer poles (24) and inner poles (23) is put on the rotor (17); coils (26) are wound in the space formed between the inner poles (23) and the center of the inner ring magnetic pole portion (10).
    Type: Grant
    Filed: February 17, 1993
    Date of Patent: September 27, 1994
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Shuichi Kiri, Kouki Kieda, Shunichi Kachi, Yukinori Takekoshi, Yasunari Takada, Yuji Nakahara, Tomoyuki Nishinaka