Patents by Inventor Yasutaka Hirota

Yasutaka Hirota 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).

  • Starting and generating apparatus for engine
    Patent number: 8378510
    Abstract: The invention is a starting and generating apparatus for an engine, including: a rotator configured to be used as a generator driven by an engine as well as used as a starter motor for starting the engine; a power transmission mechanism configured to connect the engine with the rotator; a starter drive unit configured to supply an electricity to the rotator to drive the rotator as the starter motor when the engine is to be started; a clutch mechanism configured to shut off a power transmission from the engine to the power transmission mechanism when the engine is to be started; and a clutch control unit configured to bring the clutch mechanism into a connected state when a rotational speed of the rotator has reached a given rotational speed at which the engine can be started.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: February 19, 2013
    Assignee: Kawasaki Jukogyo Kabushiki Kaisha
    Inventors: Kenichiro Tanaka, Tatsuhiko Goi, Kazushige Sugimoto, Masahide Nakamura, Yasutaka Hirota, Koji Watanabe
  • Starting and generating apparatus for engine
    Publication number: 20090286651
    Abstract: The invention is a starting and generating apparatus for an engine, including: a rotator configured to be used as a generator driven by an engine as well as used as a starter motor for starting the engine; a power transmission mechanism configured to connect the engine with the rotator; a starter drive unit configured to supply an electricity to the rotator to drive the rotator as the starter motor when the engine is to be started; a clutch mechanism configured to shut off a power transmission from the engine to the power transmission mechanism when the engine is to be started; and a clutch control unit configured to bring the clutch mechanism into a connected state when a rotational speed of the rotator has reached a given rotational speed at which the engine can be started.
    Type: Application
    Filed: April 29, 2009
    Publication date: November 19, 2009
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Kenichiro TANAKA, Tatsuhiko GOI, Kazushige SUGIMOTO, Masahide NAKAMURA, Yasutaka HIROTA, Koji WATANABE