Fuel injection apparatus for internal combustion engines

Details Fuel injection apparatus for internal combustion engines Fuel injection apparatus for internal combustion engines

1986-06-11

1988-06-14

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Fuel injection system

123447, 239 88, F02M 3900

Patent

active

047504625

ABSTRACT:
A fuel injection apparatus which the termination of the effective pump supply stroke is effected by exposing a relief conduit with the aid of a valve having for instance a control edge, whereupon a highly pressurized fuel flows out via the relief conduit and is directed into a pressure chamber defined by a rear face of a pressure valve closing member. The pressure valve closing member is located in a connection with a fuel injection line that leads from the pump work chamber to the fuel injection valve and is acted upon by a valve spring to effect closing of this injection line. The impact of fuel that reaches the pressure chamber via the releif conduit reinforces a fast closure of the pressure valve closing member at the end of injection, which leads to an abrupt termination of an injection cycle. In addition, or altenatively, the fuel injection valve closing member can also be acted upon by the impact of fuel diversion.

REFERENCES:
patent: 2628570 (1953-02-01), de Luca
patent: 2950709 (1960-08-01), Dessiere
patent: 3115304 (1963-12-01), Humphries
patent: 3796206 (1974-03-01), Links
patent: 3810453 (1974-05-01), Wolee
patent: 3818882 (1974-06-01), Leondo
patent: 4158442 (1979-06-01), Rathmayr
patent: 4317541 (1982-03-01), Beadmore
patent: 4408586 (1983-11-01), Van Rinsum
patent: 4526149 (1985-07-01), Hafele
patent: 4527737 (1985-07-01), Deckard
patent: 4571161 (1986-02-01), Leblanc

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