Patents by Inventor Yasuhisa Endo

Yasuhisa Endo 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: 4704997
    Abstract: A device for preventing abnormal flow of gas fuel from a gas fuel injector of a diesel engine. The device has a pipe for supplying a pressurized gas fuel, a fuel injector including a passage connected to the pipe and leading to fuel injection nozzle ports, and a fuel cut-off valve means adapted to close the gas fuel passage upon detection of a reduction of the fuel pressure in the fuel passage. Any abnormal supply of fuel due to stick of the fuel injector is prevented so as to avoid any risk of explosion which otherwise may be caused by the abnormal supply of the gas fuel.
    Type: Grant
    Filed: June 24, 1986
    Date of Patent: November 10, 1987
    Assignee: Mitsui Engineering and Shipbuilding Co. Ltd.
    Inventors: Yasuhisa Endo, Shuhei Mizuhara, Satoshi Murakami, Osamu Beppu, Saiji Toshioka