Internal combustion engine

Details Internal combustion engine Internal combustion engine

1975-03-11

1977-07-12

Cox, Ronald B.

Internal-combustion engines

Noncompression

123 32EB, 123139AW, 123127, 123 32CL, 123191SP, F02B 1910, F02B 300, F02B 1918

Patent

active

040347338

ABSTRACT:
The invention disclosed is an internal combustion engine of the type having a main combustion chamber for combustion of the lean mixture; a trap chamber for trapping therein the rich mixture; a spark plug for igniting the rich mixture in the trap chamber; and a fuel injection system including a first fuel injection nozzle opening at an intake passage to each cylinder for injecting the fuel toward the trap chamber during the suction stroke, a second fuel injection nozzle opening at a throttle body or an intake manifold for injecting the fuel during any one of strokes, and a fuel injection control device for controlling the injection timing and period of the first and second fuel injection nozzles. The positive and complete stratified combustion of the mixture, in which the fuel has been satisfactorily vaporized, may be ensured not only at during starting and during warming-up or during operation in cold weather but also under any other operating conditions without resulting in a slow engine response during the transition period and an undesirable non-uniform distribution of the mixture.

REFERENCES:
patent: 3174470 (1965-03-01), von Seggern
patent: 3255739 (1966-06-01), VON Seggern
patent: 3270721 (1966-09-01), Hideg
patent: 3283751 (1966-11-01), Goossak
patent: 3734068 (1973-05-01), Reddy
patent: 3788285 (1974-01-01), Gelin
patent: 3824965 (1974-07-01), Clawson
patent: B302692 (1975-01-01), Davis

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