Variable-discharge high pressure pump

Details Variable-discharge high pressure pump Variable-discharge high pressure pump

1989-11-22

1991-10-22

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Fuel injection system

123458, 123446, 123501, F02M 4100

Patent

active

050585533

ABSTRACT:
A variable-discharge high pressure pump for pressure-feeding fuel to a common rail for use in a diesel engine. The pump has a plunger, a plunger chamber, a cam for reciprocatively moving the plunger; and opening-out type electromagnetic valve capable of opening and closing one end of the plunger chamber, a fuel reservoir, a check valve communicating with the plunger chamber, and an inlet pipe for supplying fuel to the fuel reservoir. Both the introduction of the fuel into the plunger chamber and the return of the fuel from the plunger chamber to the fuel reservoir are effected through the electromagnetic valve.

REFERENCES:
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patent: 4491111 (1985-01-01), Eheim
patent: 4586480 (1986-05-01), Kobayashi
patent: 4610233 (1986-09-01), Kushida
patent: 4633837 (1987-01-01), Babitzka et al.
patent: 4653455 (1987-03-01), Eblen et al.
patent: 4719889 (1988-01-01), Amann et al.
patent: 4753212 (1988-06-01), Miyaki et al.
patent: 4757795 (1988-07-01), Kelly
patent: 4777921 (1988-10-01), Miyaki et al.
patent: 4784101 (1988-11-01), Iwanaga et al.
patent: 4884549 (1989-12-01), Kelly

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