Patents Assigned to Hirohisa Tanaka
  • Patent number: 5711277
    Abstract: This accumulating fuel injection apparatus is provided with a needle valve 6 adapted to open and close an injection nozzle 11 having injection ports 14 in a lower end portion thereof, a balancing chamber 5 formed in a casing 2 so as to apply a fuel pressure to a head portion of the needle valve 6, a supply passage including a slit 10 and used for supplying a fuel from a fuel supply port 19 to the balancing chamber 5, a discharge passage 20 comprising an orifice for discharging the fuel from the balancing chamber 5, and a solenoid valve 22 adapted to open and close the discharge passage 20, the lift of a valve disc 26 of the solenoid valve 22 is controlled by a lift control means comprising a stopper 28 the position of which is controlled by a lift control mechanism 23.
    Type: Grant
    Filed: February 6, 1997
    Date of Patent: January 27, 1998
    Assignees: Isuzu Motors Limited, Hirohisa Tanaka
    Inventor: Tsutomu Fuseya