Internal combustion engine

Details Internal combustion engine Internal combustion engine

1975-03-26

1977-02-01

Burns, Wendell E.

Internal-combustion engines

Noncompression

123 32SP, 123193P, F02B 300

Patent

active

040056848

ABSTRACT:
An internal combustion engine of the type in which the combustion space is divided into a main combustion chamber and an auxiliary combustion chamber connected to each other by a communication passage, and an ignition plug and a fuel injection nozzle are provided for the auxiliary combustion chamber so that the flame produced by the ignition and combustion of a rich fuel-air mixture in the auxiliary combustion chamber spreads into the main combustion chamber to cause effective secondary combustion of the fuel-air mixture in the main combustion chamber; the upper surface of the piston crown is inclined gradually downward and toward the opposite side from the peripheral edge which is brought to a position adjacent to the communication passage when the piston reaches the top dead center, and a stepped portion located remote from the communication passage and a vertical wall having a configuration consisting of a pair of curved surfaces is formed on the surface of the piston crown as the inner wall of the stepped portion.

REFERENCES:
patent: 2935054 (1960-05-01), Franke et al.
patent: 3063434 (1962-11-01), Haas
patent: 3105470 (1963-10-01), Hockel et al.
patent: 3766900 (1973-10-01), Aiti

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