Unit fuel injector and system therefor

Details Unit fuel injector and system therefor Unit fuel injector and system therefor

1983-09-26

1986-02-04

Moy, Magdalen Y. C.

Internal-combustion engines

Charge forming device

Fuel injection system

123450, 123508, 123446, 239 88, F02M 3704

Patent

active

045678723

ABSTRACT:
A cam shaft operated fuel injector having an elongated fuel injection nozzle, a linear pumping plunger with an axis normal to the axis of the nozzle in two embodiments and parallel to the axis of the nozzle in three embodiments and ball check valve means for the pumping plunger arranged to minimize the high pressure chamber volume and to simplify the design and assembly of the unit injector. One embodiment employs an inlet metering valve, another embodiment employs end of injection spill control and another embodiment is adapted for receiving a metered charge of fuel from a separate low pressure distributor pump having a governor controlled linear metering valve and a sleeve like distributor rotor surrounding the metering valve.

REFERENCES:
patent: 1863232 (1932-06-01), Woolson
patent: 1938948 (1933-12-01), Widmann
patent: 1949470 (1934-03-01), Hesselman
patent: 2053311 (1936-09-01), Amery
patent: 2354403 (1944-07-01), Reggio
patent: 2852011 (1958-09-01), Pringham
patent: 3625191 (1971-12-01), Harding
patent: 3913548 (1975-10-01), Wilson
patent: 4164923 (1979-08-01), Kimata et al.
patent: 4306528 (1981-12-01), Straubel et al.
patent: 4378775 (1983-04-01), Straubel et al.

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