Fuel injection system for dual combustion chamber engine

Details Fuel injection system for dual combustion chamber engine Fuel injection system for dual combustion chamber engine

1978-12-07

1980-12-16

Cox, Ronald B.

Internal-combustion engines

Precombustion and main combustion chambers in series

Having combustible mixture forming means

123286, F02B 300

Patent

active

042390230

ABSTRACT:
FIG. 1 shows a fuel injection system for an engine having main and prechamber combustion chambers 14 and 22 and separate fuel injectors 18 and 26 supplied from a common source fuel line 50 through a shuttle valve assembly 30. FIG. 3 shows the shuttle valve assembly including a plunger 136 movable by fuel pressure in line 50 and inlet 106 to unseat a ball valve 142 and pressurize a chamber 126 and a line connected to prechamber injector 26 to inject fuel first through the prechamber injector 26 and then through the main injector 18 only after termination of injection through the injector 26 by a seating of the ball valve 142 against a seat 138 to close the chamber.

REFERENCES:
patent: 2914043 (1959-11-01), Nallinger
patent: 3990413 (1976-11-01), Pischinger
patent: 4034733 (1977-07-01), Noguchi
patent: 4162664 (1979-07-01), Fleming

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