Electromagnetic fuel injector

Details Electromagnetic fuel injector Electromagnetic fuel injector

1975-10-20

1977-09-06

Cline, William B.

Internal-combustion engines

Noncompression

123 32AE, 123139E, F02M 3900

Patent

active

040461122

ABSTRACT:
An electromagnetic fuel injector with a differential pressure actuated injector valve therein to control fuel injection is supplied with fuel at a predetermined supply pressure, the injector having incorporated therein a hydraulic fluid (fuel) powered booster pump means operable to increase the pressure of fuel from the original supply pressure to a higher injection pressure for effecting operation of the injector valve, the flow of hydraulic fluid (fuel) to effect operation of the booster pump means being controlled by a solenoid actuated valve means controlling inlet and discharge of fuel to a fluid control chamber in communication with the power piston of the booster pump through a control or metering orifice of predetermined size, whereby the rate of pressure intensification of fuel to the injector valve is controlled.

REFERENCES:
patent: 3689205 (1972-09-01), Links
patent: 3796205 (1974-03-01), Links et al.
patent: 3921604 (1975-11-01), Links

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