Fuel injection pump for internal combustion engines

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

1989-12-11

1991-02-05

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

With fuel pump

123509, 123462, F02M 5926

Patent

active

049895710

ABSTRACT:
A fuel injection pump for internal combustion engines having housing with a plurality of in-line pump elements including pump cylinders, surrounded by separate suction chambers and communicating with them by means of overflow openings, having two primary conduits disposed parallel to a camshaft for the inflow and outflow of fuel to and from the separate suction chambers and having defined connecting conduits between each separate suction chamber and each primary conduit by means of which the same quantity of fuel is metered to all the separate suction chambers under the influence of a pressure drop produced by the connecting conduits wherein an inflow connecting conduits has one fuel inflow throttle insert for the fuel inflow primary conduits the throttle insert being closed at one end and discharges with its open end into the separate suction chamber with its closed end protruding into the fuel inflow primary conduit the throttle insert having a defined throttle opening for conducting fuel from the primary conduit into the separate suction chamber.

REFERENCES:
patent: 3898970 (1975-08-01), Malpass
patent: 4389987 (1983-06-01), Frankle
patent: 4481930 (1984-11-01), Chadwick
patent: 4494513 (1985-01-01), Torizuka
patent: 4530335 (1985-07-01), Torizuka
patent: 4543045 (1985-09-01), Ritter et al.
patent: 4640255 (1985-11-01), Hafele et al.
patent: 4770149 (1988-09-01), Kramer et al.
patent: 4811716 (1989-03-01), Guntert
patent: 4842497 (1989-06-01), Hafele

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