Patents Assigned to Yamaha Hatsudoki Kabishiki Kaisha
  • Patent number: 7926466
    Abstract: An engine control device includes an engine revolution speed information acquisition device for acquiring the revolution speed of an engine, an accelerator opening sensor for detecting the opening of an accelerator operated by a rider of a vehicle mounted with the engine, a throttle opening control unit configured to control an opening of a throttle of the engine on the basis of the opening of the accelerator and other information, and an ignition control unit configured to limit ignition at a crank position before a compression top dead center on the basis of the opening of the accelerator and the revolution speed of the engine.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: April 19, 2011
    Assignee: Yamaha Hatsudoki Kabishiki Kaisha
    Inventor: Yoshitomi Nakagawa