Torch ignition type internal combustion engine

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

1977-06-03

1979-04-17

Myhre, Charles J.

Internal-combustion engines

Valve

Rotary

123 32K, 123 32SP, F02B 2300

Patent

active

041495110

ABSTRACT:
A torch ignition type internal combustion engine which has no intake valve in the auxiliary combustion chamber and which can effectively purge exhaust gases from the auxiliary combustion chamber to eliminate ignition failures, the engine comprising a cylinder; a cylinder head having a semi-spherical inner wall; a reciprocating piston snugly received in the cylinder; a main combustion chamber defined between the cylinder head and piston and having intake and exhaust valves to control intake and exhaust ports in the cylinder head; an auxiliary combustion chamber provided at a suitable position in the cylinder head; and a passage intercommunicating the main and auxiliary combustion chambers. The passage opens into the main combustion chamber at a position close to one of the intake valve and the exhaust valve. In one embodiment, the passage opens into the main combustion chamber at a position close to and substantially intermediate the intake and exhaust valves. In another embodiment, the passage opens into the main combustion chamber near the intake valve and close to one side of the semi-spherical inner wall of the cylinder head.

REFERENCES:
patent: 2242990 (1941-05-01), Brown
patent: 2711723 (1955-06-01), Summers
patent: 3144013 (1964-08-01), Peras
patent: 3416501 (1968-12-01), De Castelet
patent: 3916858 (1975-11-01), Tagachi et al.
patent: 3921605 (1975-11-01), Wyczulek
patent: 3926158 (1975-12-01), Dolza
patent: 3980057 (1976-09-01), Sanda et al.
patent: 4000731 (1977-01-01), Nogachi et al.
patent: 4004563 (1977-01-01), Nahamura et al.

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