Patents Assigned to Honda Giken Kogoyok Kabushiki Kaisha
  • Air-to-fuel ratio control device
    Patent number: 6223121
    Abstract: A control device for controlling an air-to-fuel ratio when fuel is injected in an internal combustion engine, comprises: a state detecting unit for detecting parameters representing operating states of the internal combustion engine; a counting unit for counting the number of times of explosion in a cylinder just after the engine starts; and a unit for estimating an air-to-fuel ratio just after the engine starts from the operating state parameters and the number of times of explosion.
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: April 24, 2001
    Assignees: Matsushita Electric Industrial Co., Honda Giken Kogoyok Kabushiki Kaisha
    Inventors: Akira Ishida, Masuo Takigawa, Toru Kitamura, Akira Kato, Naohiro Kurokawa