Internal combuston engines

Details Internal combuston engines Internal combuston engines

1975-02-28

1977-01-04

Myhre, Charles J.

Internal-combustion engines

Valve

Rotary

123 32SP, 123 32ST, 123191SP, F02B 1700, F02B 1918

Patent

active

040007316

ABSTRACT:
An internal combustion engine of the type having a main combustion chamber and an auxiliary combustion or precombustion chamber intercommunicated through a passage with the former for burning a lean fuel-air mixture in order to reduce the harmful emissions. The shape of the main combustion chamber, the intake port and the intake valve are so designed that a substantial portion of the lean mixture may be directed toward the apex of the spherical inner surface of the dome-shaped main combustion chamber an flow therealong so as to form intensive swirls. The opening at the main combustion chambr of the passage intercommunicating the main and auxiliary combustion chambers is so positioned that the relatively rich fuel-air mixture caused by the centrifugal forces of the swirls may be pushed into the auxiliary combustion chamber and that the combustion flame produced in the latter may be injected at high speeds into the downstreams of the swirls in the main combuston chamber, thereby igniting the lean mixture therein.

REFERENCES:
patent: 1271942 (1918-07-01), Ricardo
patent: 2100143 (1937-11-01), Mock
patent: 2109298 (1938-02-01), Mock
patent: 2153598 (1939-04-01), Steward
patent: 3144013 (1964-08-01), Peras
patent: 3270721 (1966-09-01), Hideg
patent: 3776212 (1973-12-01), Karlowitz

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