Fuel injection pump

Details Fuel injection pump Fuel injection pump

1982-07-29

1984-12-04

Freeh, William L.

Pumps

Expansible chamber type

Plural pumping members in single pump chamber

417462, F04B 1922

Patent

active

044861540

ABSTRACT:
There is proposed herein that a push rod of a fuel injection pump embodied as a radial piston pump which push rod further has a groove in its base be arranged to positively secure a roller in a relatively fixed position. The push rod is slidably guided in a hollow cylindrical wall in a sleeve. An apertured hub which forms an end wall of the sleeve has a slit, into which a prong which offstands axially from a fastening ring secured to said hub is arranged to protrude into said push rod. A helical spring supported by the sleeve presses a piston of the pump against the inside of the base of the push rod.

REFERENCES:
patent: 2243861 (1941-06-01), Hautzenroeder
patent: 3138103 (1964-06-01), Dreisin et al.
patent: 3267861 (1966-08-01), Pigeroulet et al.
patent: 3895886 (1975-07-01), Leblanc
patent: 4367714 (1983-01-01), Di Domenico et al.

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