Thrust reduction plate for an axial piston fuel pump

Details Thrust reduction plate for an axial piston fuel pump Thrust reduction plate for an axial piston fuel pump

1996-12-13

1998-05-26

Thorpe, Timothy

Pumps

Three or more cylinders arranged in parallel, radial, or...

417271, 92 71, 91499, F04B 112

Patent

active

057555621

ABSTRACT:
A fuel injection system for injecting gasoline or other fuel directly into the combustion chambers of an internal combustion engine including a pump that incorporates a rotary driven swash plate, a plurality of fuel pumping pistons radially separated from one another and operatively mounted for axial fuel pumping movement in a fixed barrel. A special bearing assembly and creeper plate is operatively interposed in the pump housing to transmit pumping forces of the swash plate to the pumping pistons while isolating the pumping pistons from rotation so that they stroke axially in the barrel. With this arrangement, check type valves are effectively used to control the inlet and discharge of fuel to and from the pumping chambers of the pistons eliminating rotary sliding valves with attendant heat build-up and undesirable fuel vaporization.

REFERENCES:
patent: 4757795 (1988-07-01), Kelly
patent: 4815358 (1989-03-01), Smith
patent: 5385450 (1995-01-01), Kimura et al.
patent: 5515829 (1996-05-01), Wear et al.

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