Fuel injection pump for internal combustion engines

Details Fuel injection pump for internal combustion engines Fuel injection pump for internal combustion engines

1989-10-20

1991-09-03

Smith, Leonard E.

Pumps

Expansible chamber type

Pumping member position controlled port

123300, 123449, E04B 706

Patent

active

050449036

ABSTRACT:
A fuel injection pump for internal combustion engines, having a piston driven for simultaneous reciprocation and rotation and embodied both as a pump piston periodically pumping fuel and as a distributor piston rotatable in the guide bore. The piston includes distributor openings that discharge at its jacket face and communicate with various injection nozzles as a function of the rotational position of the distributor piston. During the supply stroke of the pump piston, a branch line is connected to the work chamber of the pump piston, which branch line is connectable, via separate distributor openings of the distributor piston with at least one injection nozzle different from the injection nozzle connected directly, via a different distributor opening to the work chamber (5).

REFERENCES:
patent: 4693227 (1987-09-01), Satou
patent: 4709673 (1987-12-01), Babitzka
patent: 4795898 (1988-05-01), Egler et al.
patent: 4831986 (1989-05-01), Linder et al.
patent: 4834055 (1989-05-01), Steiger

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