Fuel injection device

Details Fuel injection device Fuel injection device

1993-07-22

1994-10-25

Cross, E. Rollins

Internal-combustion engines

Charge forming device

With fuel pump

123458, 123446, F02D 100, F02D 500

Patent

active

053579330

ABSTRACT:
ABSTRACT A solenoid valve is provided in a fuel injection pump fuel supply path. A communication path communicates with each other an armature chamber, which accommodates an armature, and a spill chamber, which accommodates a head of a valve body and is connected to a lower pressure side. When high pressure fuel is spilt to the low pressure side, an orifice in the communication path reduces a high frequency pressure wave propagated from the spill chamber to the armature chamber, thus reducing deformation or corrosion of the solenoid in over a long period of use.

REFERENCES:
patent: 4392612 (1983-07-01), Deckard et al.
patent: 4485969 (1984-12-01), Deckard et al.
patent: 4537171 (1985-08-01), Kuroyanagi et al.
patent: 4709679 (1987-12-01), Djordjevic et al.
patent: 4745898 (1988-05-01), Egler et al.
patent: 4805580 (1989-02-01), Buisson et al.
patent: 4969600 (1990-11-01), Nicol
patent: 5029568 (1991-07-01), Perr

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