Process and engine using compression ignition of a homogeneous f

Details Process and engine using compression ignition of a homogeneous f Process and engine using compression ignition of a homogeneous f

1987-07-24

1988-09-06

Cross, E. Rollins

Internal-combustion engines

Precombustion and main combustion chambers in series

Chamber temperature control means

123287, 123556, F02F 100

Patent

active

047684810

ABSTRACT:
A process and engine using a homogeneous mixture of fuel and air but ignited spontaneously by high mixture temperatures produced by heating and by compression of the fuel charge in which a controlled rate of combustion is obtained by adding exhaust products to the fuel-air mixture. A combustion chamber is connected to the cylinder head of an internal combustion engine which is provided with a fuel and exhaust products which remain therein as fresh air is introduced into the cylinder due to a restricted entrance. A heater element at the entrance heats fresh air entering the combustion chamber on the compression stroke to produce spontaneous ignition of the homogeneous mixture.

REFERENCES:
patent: 2893360 (1959-07-01), Muller
patent: 2914041 (1959-11-01), Froehlich
patent: 3425399 (1969-02-01), Ward et al.
patent: 3703886 (1972-11-01), Witzky
patent: 3937188 (1976-02-01), Wrigley
patent: 4240392 (1980-12-01), Matayoshi et al.
"Compression-Ignited Homogeneous Charge Combustion", Najt and Foster, Society of Automotive Engineers, Inc., 1983 (Feb. 28-Mar. 4).
"Active-Thermo-Atmosphere Combustion (ATAC)-A New Combustion Process for Internal Combustion Engines", Onishi et al., Society of Automotive Engineers, Inc. 1979 (Feb. 26-Mar. 2).

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