Patents by Inventor Takahiko Kaga

Takahiko Kaga 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).

  • Method of controlling exhaust gas recirculation for an internal combustion engine
    Patent number: 5113835
    Abstract: A method of controlling exhaust gas recirculation for an internal combustion engine having an exhaust gas recirculation control system comprises the step of determining that there is failure in the exhaust gas recirculation control system when a difference between an actual value of valve opening of an exhaust gas recirculation valve of the system arranged in an exhaust gas recirculation passage for controlling an amount of exhaust gases returned from an exhaust passage to an intake passage of the engine and a desired value of the valve opening of the exhaust gas recirculation valve is equal to or larger than a predetermined value which is dependent on operating conditions of the engine.
    Type: Grant
    Filed: July 29, 1991
    Date of Patent: May 19, 1992
    Assignee: Honda Giken Kogyo K.K. (Honda Motor Co., Ltd. in English)
    Inventors: Yasunari Seki, Shigeto Kashiwabara, Takahiko Kaga