Fluid sprinkling – spraying – and diffusing – Unitary injection nozzle and pump or accumulator plunger – Fluid operated plunger motor
Patent
1978-01-16
1980-01-08
Love, John J.
Fluid sprinkling, spraying, and diffusing
Unitary injection nozzle and pump or accumulator plunger
Fluid operated plunger motor
239 95, 123139E, F02M 4702
Patent
active
041824920
ABSTRACT:
A hydraulically operated fuel injector for compression-ignition engines which includes an electronically or pneumatically operated hydraulic pilot-control valve which is supplied with fuel under substantially constant pressure from a pump driven directly or indirectly by the engine. The pilot-control valve is connected by supply and exhaust passages to a slave valve which in turn controls the admission of fuel to a charging cavity located adjacent to an outlet valve to the combustion chamber. The slave valve is a stepped diameter piston which functions as a pressure amplifier for the fuel supply to the combustion chamber. Fuel from the pump which is received at relatively low pressure through the slave valve is amplified to high pressures sufficient to overcome compression and combustion pressures of the engine and the resistance of spring seated injector outlets and/or the fuel supply orifice(s).
REFERENCES:
patent: 2598528 (1952-05-01), French
patent: 3689205 (1972-09-01), Links
patent: 3921604 (1975-11-01), Links
patent: 3961612 (1976-06-01), Okamoto et al.
patent: 4069800 (1978-01-01), Kanda et al.
Albert Albert A.
Porter Kenneth W.
Combustion Research & Technology, Inc.
Love John J.
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