Patents Represented by Law Firm Lane, Aitken & Zeims
  • Stepping motor for electronic clock
    Patent number: 4162418
    Abstract: A compact stepping motor for an electronic clock which features high stability in the direction of the motor rotation and small electric power consumption is provided with a rotor and a stator that surrounds the rotor and includes portions having a recess formed therein and two pairs of projecting magnetic pole pieces positioned asymmetrically relative to the end of their respective recesses.
    Type: Grant
    Filed: April 28, 1977
    Date of Patent: July 24, 1979
    Assignee: Niles Parts Co., Ltd.
    Inventors: Katsumi Kawaki, Shinya Inabe
  • Rubbing contact fluid seal
    Patent number: 4143882
    Abstract: A fluid seal is composed of an upper oxidized sintered metallic layer and a lower unoxidized sintered metallic layer integral with the upper layer. The upper layer is in rubbing contact with the radial surface of a rotating matrix of the regenerator portion of a gas turbine engine and the lower layer is connected through metal bellows to the housing of the matrix.
    Type: Grant
    Filed: September 3, 1976
    Date of Patent: March 13, 1979
    Assignee: Nissan Motor Company, Limited
    Inventor: Osamu Kobayashi