Patents by Inventor Katsutoshi Asai

Katsutoshi Asai 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).

  • Spiral spring type starter apparatus for an internal combustion engine
    Patent number: 5186134
    Abstract: A spiral spring type starter apparatus for an internal combustion engine is disclosed. The apparatus includes a power accumulator mechanism having a spiral spring with its one end fixed to a starter shaft and its other end fixed to a power accumulator box, a ratchet device provided respectively on the starter shaft side and on the power accumulator box side of the power accumulator mechanism for maintaining a power accumulated condition in the spiral spring and also for enabling power to be input to the power accumulator box and power to be output from the starter shaft, a centrifugal type ratchet mechanism interposed between the starter shaft and a crank shaft of the engine, a motor adapted to be fed with electric power from a generator through a control circuit after starting of the engine, and a power transmission device for transmitting output power from the motor to the power accumulator box. The motor and battery can be reduced in size.
    Type: Grant
    Filed: September 17, 1991
    Date of Patent: February 16, 1993
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Ryuji Morishima, Katsutoshi Asai, Ryutaro Fukumoto, Kanji Isomichi
  • Spiral spring type starter apparatus for an internal combustion engine
    Patent number: 5163392
    Abstract: A spiral spring type starter apparatus for an internal combustion engine is disclosed. The apparatus includes a power accumulator mechanism having a spiral spring with its one end fixed to a starter shaft and its other end fixed to a power accumulator box, a ratchet device provided respectively on the starter shaft side and on the power accumulator box side of the power accumulator mechanism for maintaining a power accumulated condition in the spiral spring and also for enabling power to be input to the power accumulator box and power to be output from the starter shaft, a centrifugal type ratchet mechanism interposed between the starter shaft and a crank shaft of the engine, a motor adapted to be fed with electric power from a generator through a control circuit after starting of the engine, and a power transmission device for transmitting output power from the motor to the power accumulator box. The motor and battery can be reduced in size.
    Type: Grant
    Filed: April 9, 1991
    Date of Patent: November 17, 1992
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Ryuji Morishima, Katsutoshi Asai, Ryutaro Fukumoto, Kanji Isomichi
  • Spiral spring type starter apparatus for an internal combustion engine
    Patent number: 5113816
    Abstract: A spiral spring type starter apparatus for an internal combustion engine is disclosed. The apparatus includes a power accumulator mechanism having a spiral spring with its one end fixed to a starter shaft and its other end fixed to a power accumulator box, a ratchet device provided respectively on the starter shaft side and on the power accumulator box side of the power accumulator mechanism for maintaining a power accumulated condition in the spiral spring and also for enabling power to be input to the power accumulator box and power to be output from the starter shaft, a centrifugal type ratchet mechanism interposed between the starter shaft and a crank shaft of the engine, a motor adapted to be fed with electric power from a generator through a control circuit after starting of the engine, and a power transmission device for transmitting output power from the motor to the power accumulator box. The motor and battery can be reduced in size.
    Type: Grant
    Filed: September 17, 1991
    Date of Patent: May 19, 1992
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Ryuji Morishima, Katsutoshi Asai
  • Spiral spring type starter apparatus for an internal combustion engine
    Patent number: 5083534
    Abstract: A spiral spring type starter apparatus for an internal combustion engine is disclosed. The apparatus includes a power accumulator mechanism having a spiral spring with its one end fixed to a starter shaft and its other end fixed to a power accumulator box, a ratchet device provided respectively on the starter shaft side and on the power accumulator box side of the power accumulator mechanism for maintaining a power accumulated condition in the spiral spring and also for enabling power to be input to the power accumulator box and power to be output from the starter shaft, a centrifugal type ratchet mechanism interposed between the starter shaft and a crank shaft of the engine, a motor adapted to be fed with electric power from a generator through a control circuit after starting of the engine, and a power transmission device for transmitting output power from the motor to the power accumulator box. The motor and battery can be reduced in size.
    Type: Grant
    Filed: December 28, 1989
    Date of Patent: January 28, 1992
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Ryuji Morishima, Katsutoshi Asai, Ryutaro Fukumoto, Kanji Isomichi