Fuel injection pump for air-compressing fuel injected internal c

Details Fuel injection pump for air-compressing fuel injected internal c Fuel injection pump for air-compressing fuel injected internal c

1979-08-24

1983-01-11

Feinberg, Craig R.

Internal-combustion engines

Combustion chamber means having fuel injection only

Using multiple injectors or injections

123503, F02M 4506

Patent

active

043677061

ABSTRACT:
A fuel injection pump for an air-compressing fuel injected internal combustion engine with a pump piston arranged in a pump cylinder and controlling a fuel control bore in the pump working chamber and with a control element in constant connection with the pump piston for the purposes of fuel control. The control element is constructed so that it constantly connects the pump working chamber to an intermediate chamber located above the control element and serving as a reservoir. The control element connects the pump working chamber and the pump pressure chamber by way of a bore arrangement only during a piston stroke. An arrangement is provided by which the communication between the pump working chamber and pump pressure chamber is temporarily interrupted during the piston stroke in such a way that, prior to the interruption, a variable preliminary injection quantity is conveyed and, after the interruption, a principal injection quantity is fed.

REFERENCES:
patent: 1993759 (1935-03-01), Stockmeyer
patent: 2173813 (1939-09-01), Bischof
patent: 2713310 (1955-07-01), Muraszew
patent: 3387597 (1968-06-01), Wirsching
patent: 3394891 (1968-07-01), Voit
patent: 3435811 (1969-04-01), Guertler

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