Fuel injection pumping apparatus

Details Fuel injection pumping apparatus Fuel injection pumping apparatus

1980-06-11

1982-12-28

Freeh, William L.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

123502, F04B 4900, F04B 1900, F04B 2900

Patent

active

043659390

ABSTRACT:
A fuel injection pumping apparatus includes a piston located within a cylinder. The piston is connected to an annular cam ring of a rotary distributor type fuel pump to adjust the timing of delivery of fuel. A passage conveys fluid under pressure to act on the piston to move the piston against the actions of a spring. The passage includes a check valve to prevent movement of the piston and cam ring when a pump plunger is moved inwardly by a cam lobe on the cam ring and a further check valve which prevents movement of the piston and cam ring when the plunger is allowed to move outwardly by the cam lobe.

REFERENCES:
patent: 3051154 (1962-08-01), Kemp
patent: 3552366 (1971-01-01), Kemp
patent: 3828400 (1974-08-01), Mason et al.
patent: 4037573 (1977-07-01), Swift
patent: 4195553 (1980-04-01), Klie

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