Torch ignition type internal combustion engine

Details Torch ignition type internal combustion engine Torch ignition type internal combustion engine

1976-12-28

1978-12-05

Cox, Ronald B.

Internal-combustion engines

Noncompression

123 30D, 123326, F02B 1910, F02B 1916

Patent

active

041280814

ABSTRACT:
A torch ignition type internal combustion engine has a main combustion chamber and a trap chamber having torch apertures through which both chambers are communicated with each other. The apertures are positioned such that, when the main chamber is supplied with a charge of an air-fuel mixture from an intake port on an intake stroke, a part of the mixture charge is introduced through one of the apertures into the trap chamber and the residual gases remaining therein are simultaneously discharged from the trap chamber into the main chamber through the other aperture. The trap chamber has a substantially smoothly continuous inner surface to which the one aperture is tangential so that the introduction of air-fuel mixture therethrough into the trap chamber produces therein a vortex flow which facilitates scavenging of the trap chamber. A part of the mixture charge to the main chamber is also introduced into the trap chamber through both apertures on a succeeding compression stroke and also causes a vortex in the trap chamber, which assures uniform mixing of the fresh air-fuel mixture therein and any residual gases, if any, therein to thereby facilitate improved spark-ignition of the mixture and strong torch jets.

REFERENCES:
patent: 2799257 (1957-07-01), Stumpfio et al.
patent: 2983268 (1961-05-01), Heintz
patent: 3174470 (1965-03-01), Von Seggern et al.
patent: 3270721 (1966-09-01), Hideg et al.
patent: 3807369 (1974-04-01), Yagi

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