Combustion system for internal combustion engines

Details Combustion system for internal combustion engines Combustion system for internal combustion engines

1976-04-26

1981-03-31

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

123662, 123671, F02B 4708, F02B 2300

Patent

active

042586860

ABSTRACT:
A combustion system for internal combustion engines having an exhaust gas recirculating system which is operable by a lean air-fuel mixture without aggravation of the combustion. The piston of the engine has a sub-piston projecting on the top thereof and the cylinder head is formed with a recess into which the sub-piston is insertable at a position near the top dead center of the stroke of the piston such that the space between the cylinder head and the piston can be divided into two combustion chambers. The compression ratios of both chambers are different from each other. An ignition plug is disposed in the chamber having the lower compression ratio, and ignition of the air-fuel mixture in the chamber having the higher compression ratio takes place by flame from the lower compression ratio chamber as a torch ignition.

REFERENCES:
patent: 1758242 (1930-05-01), Wehr
patent: 2199739 (1940-05-01), Burke
patent: 2983268 (1961-05-01), Heintz
patent: 3924582 (1975-12-01), Yagi et al.
patent: 3929107 (1975-12-01), Renger
patent: 3941105 (1976-03-01), Yagi et al.
patent: 3945365 (1976-03-01), Regueino
patent: 3968618 (1975-09-01), Tange
patent: 3983858 (1976-10-01), Sevald

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