Engine Shaft Driven Patents (Class 123/41.47)
  • Patent number: 6199518
    Abstract: A cooling device of an engine includes a first liquid pump driven by decelerated rotation of an engine and for circulating the cooling liquid in the engine. A second liquid pump is driven by electricity and circulates the cooling liquid in the engine as a supplement to the first liquid pump.
    Type: Grant
    Filed: April 23, 1999
    Date of Patent: March 13, 2001
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Takayuki Hotta, Yasuo Ozawa