Patents by Inventor Hirohiko Hoshi

Hirohiko Hoshi 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).

  • Patent number: 4125091
    Abstract: Method and equipment for control of an internal combustion engine with a fuel-reforming device wherein air passing through the fuel-reforming device is mechanically controlled depending on the volume of air to be sucked into the engine without passing through the fuel-reforming device and is supplied into the air not passing through the fuel-reforming device, upstream of a throttle valve by means of an air pump; the total air volume sucked into the engine is detected; and the volume of fuel matching the total air volume is electrically controlled so that it can be supplied upstream of the fuel-reforming device into the air passing through the fuel-reforming device, and if necessary, also into the air not passing through the fuel-reforming device.
    Type: Grant
    Filed: June 6, 1977
    Date of Patent: November 14, 1978
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Ryuzo Hori, Kunihiko Masunaga, Toshio Funayama, Hirohiko Hoshi, Kazuhiko Ishiguro, Hidetomo Umehara
  • Patent number: 4125090
    Abstract: A control method and system for efficient operation of an internal combustion engine by controlling the volume of gas mixture supplied from a car-mounted fuel reformer to the internal combustion engine and the mixing ratio, as well as the volumes of air and fuel supplied to the car-mounted fuel reformer. To be more specific, efficient operation of the internal combustion engine is provided by controlling the mixing ratio of air and liquid fuel supplied to a car-mounted fuel reformer, which produces a hydrogen-containing gas from a liquid fuel through the reaction of partial oxidation, and at the same time adding a controlled volume of air to the hydrogen-containing gas discharged from the car-mounted fuel reformer and supplying the resultant mixture of the hydrogen-containing gas and air to the engine.
    Type: Grant
    Filed: November 22, 1976
    Date of Patent: November 14, 1978
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Kunihiko Masunaga, Masakatsu Kani, Hirohiko Hoshi, Kazuhiko Ishiguro
  • Patent number: 4119061
    Abstract: Method and equipment for control of an internal combustion engine including a fuel-reforming device includes appropriate control of the ratio of total air to total fuel supplied to the internal combustion engine through mechanical regulation of the volume of air to pass through the fuel-reforming device in accordance with the volume of air to be sucked into the engine without passing through the fuel-reforming device, suction being done utilizing the negative pressure downstream of the throttle valve; through electrical regulation of the volume of fuel to be supplied to the air passing through the fuel-reforming device in accordance with the volume of the air; and through electrical control of a separate fuel-supply provided in the air path which does not run through the fuel-reforming device and of a fuel-supply which runs through the fuel-reforming device.
    Type: Grant
    Filed: June 6, 1977
    Date of Patent: October 10, 1978
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Hirohiko Hoshi, Toshio Funayama, Kazuhiko Ishiguro, Hidetomo Umehara