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

1979-08-23

1981-03-31

Smith, Leonard E.

Pumps

Expansible chamber type

Pumping member position controlled port

417498, 417510, 123300, F02M 4506

Patent

active

042590400

ABSTRACT:
A fuel injection pump for an air-compressing fuel-injected internal combustion engine which includes a first pump piston arranged in each pump cylinder for regulating a fuel control bore of a pump working chamber. A control element cooperable with the pump piston controls a flow of fuel in the injection pump. The control element is provided with a bore arrangement by way of which the pump working chamber is connected with a pump pressure chamber. An intermediate chamber is arranged between the pump working chamber and the pump pressure chamber from which two separate feed lines terminate into the pump pressure chamber in such a way that a feed stream of fuel is conducted by way of the first feed line arranged in the control cylinder with temporal interruption by the control element but that this feed stream is constantly conducted by way of the second feed line which acts as a throttle.

REFERENCES:
patent: 4178141 (1979-12-01), Scheying

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