Compression operated injector with fuel injection control

Details Compression operated injector with fuel injection control Compression operated injector with fuel injection control

1981-06-29

1983-07-26

Myhre, Charles J.

Internal-combustion engines

Charge forming device

With fuel pump

123460, 123458, 123459, 239 87, 239585, F02M 4902

Patent

active

043948561

ABSTRACT:
A compression operated diesel fuel injector, for use with an internal combustion engine, is provided with a compression operated piston that is associated with a pump cylinder and plunger to effect pressurization of fuel for discharge from the injector, the piston also defining with the associate injector housing a fuel control chamber. A solenoid actuated valve is operatively positioned to normally block the return flow of fuel from the fuel control chamber to the fuel reservoir for the engine and, a variable flow orifice means is operatively positioned downstream of this valve to control the return fuel flow pressure as a function of engine speed and load to thus regulate the return flow of fuel from the control chamber so as to thereby control engine compression operation of the piston and, accordingly, to correspondingly regulate the rate of fuel injection from the fuel injector.

REFERENCES:
patent: 2516690 (1950-07-01), French
patent: 2572118 (1951-10-01), Dickson
patent: 2800121 (1957-07-01), Fletcher
patent: 3055593 (1962-09-01), May et al.
patent: 3610529 (1971-10-01), Huber
patent: 4129255 (1978-12-01), Bader, Jr. et al.
patent: 4244342 (1981-01-01), Fenne
patent: 4247044 (1981-01-01), Smith
patent: 4306680 (1981-12-01), Smith

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