ApplicationNo. 06/193384 filed on 10/02/1980
US Classes:239/96, INJECTION NOZZLE OPENED BY RELIEVING SUPPLY (E.G., ACCUMULATOR TYPE)239/533.2Fuel injector or burner
ExaminersPrimary: Reeves, Robert B.
Assistant: Church, Gene A.
Attorney, Agent or Firm
International ClassesF02M 63/00 (20060101)
F02B 3/06 (20060101)
F02B 3/00 (20060101)
AbstractA fuel injection apparatus for a diesel engine comprising a holder body having an accumulator chamber and a spring chamber, a nozzle body detachably connected to the holder body, the nozzle body having formed therein a stepped longitudinal bore, a pressure chamber intermediate the stepped longitudinal bore and an injection orifice communicating with the longitudinal bore, a check valve disposed in a passage communicating a fuel injection pump with the accumulator chamber, a solenoid-operated spool valve mounted in the accumulator chamber, a communication passage having an upper end selectively connectible with the accumulator chamber through the spool valve and a lower end being in constant communication with the pressure chamber, a needle valve fitted in the stepped longitudinal bore and movable therein, and a spring accommodated in the spring chamber for biasing the needle valve toward closing the injection orifice.
Field of SearchINJECTION NOZZLE OPENED BY RELIEVING SUPPLY (E.G., ACCUMULATOR TYPE)
Fuel injector or burner
Having flow regulator* for reciprocating piston engine
With means to vary or pulse flow within engine cycle
Upstream of flow regulator*
Regulator* upstream of outlet port opens in direction of flow
Regulator* biased to closed position by a fluid
Spring type or biased regulator*
With antifriction, guide or seal means for flow regulator*
With discharge modifier*