Diesel fuel injection pump with variable injection timing

Details Diesel fuel injection pump with variable injection timing Diesel fuel injection pump with variable injection timing

1988-04-08

1989-08-29

Smith, Leonard E.

Pumps

Expansible chamber type

Pumping member position controlled port

F02M 5920

Patent

active

048612430

ABSTRACT:
A plunger-type injection pump for use in automotive installations is provided not only with plunger rotating means to vary the quantity of fuel injected but also with a novel tappet assembly that includes hydraulically actuated facing nested parts that can be axially separated as well as angularly rotated relative one to the other to vary the height of the plunger from an initial setting in a continuously variable manner to thereby continuously vary the injection timing.

REFERENCES:
patent: 2863438 (1958-12-01), Challis
patent: 3782864 (1974-01-01), Perr
patent: 3847510 (1974-11-01), Fenne
patent: 3859973 (1975-01-01), Dreisin
patent: 4494514 (1985-01-01), Augustin
patent: 4712985 (1987-12-01), Wakasa et al.

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