Fuel injection pump for internal combustion engines

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

1986-07-17

1987-09-01

Smith, Leonard E.

Pumps

Expansible chamber type

Pumping member position controlled port

417490, F02M 5926

Patent

active

046906240

ABSTRACT:
A fuel injection pump for internal combustion engines having a diversion bore disposed in the pump cylinder and controlled by a control edge on the pump piston. The diversion bore is embodied as a stepped bore having a segment of smaller diameter and a segment of larger diameter downstream of the segment in the flow direction. A liner which is not vulnerable to cavitation is disposed in the segment and is held in its working position by a resilient device, and a return flow conduit is formed between a chamber of lower pressure and an inlet to the bore of the liner.

REFERENCES:
patent: 1854009 (1932-04-01), Wilkinson
patent: 2296357 (1942-09-01), Links et al.
patent: 3963384 (1976-06-01), Bastenhof

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