Fuel injection pump for internal combustion engines

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

1984-08-23

1985-09-17

Gluck, Richard E.

Pumps

Expansible chamber type

Pumping member position controlled port

417289, 417500, 123449, F02M 4112

Patent

active

045417890

ABSTRACT:
A fuel injection pump for supplying fuel to the cylinders of the internal combustion engine comprises a housing, a cylindrical sleeve inserted in the housing and provided with a single filling opening communicated with a fuel-feeding passage, and a piston rotatably and reciprocally slidable in the cylindrical sleeve. An end face of the piston encloses with the closing element of the pump a pump operation chamber which is filled with fuel from the filling opening through a number of longitudinal grooves formed in the piston. The longitudinal grooves are in communication with a central relief opening by means of a plurality of radial connecting passages formed in the piston.

REFERENCES:
patent: 4059369 (1977-11-01), Eheim
patent: 4065236 (1977-12-01), Hofer et al.

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