Engine with variable combustion chamber

Details Engine with variable combustion chamber Engine with variable combustion chamber

1991-07-17

1992-10-20

Nelli, Raymond A.

Internal-combustion engines

Precombustion and main combustion chambers in series

Plural precombustion chambers

123276, 123292, F02B 1900

Patent

active

051561239

ABSTRACT:
An engine with a variable combustion chamber has a a first combustion chamber defined in a piston slidably disposed in a cylinder, a second combustion chamber defined in a cylinder head and communicating with the cylinder through a communication port, and a valve for opening and closing the communication port. When the engine is under low load, the valve is closed and fuel is injected into the first combustion chamber, so that the engine operates as a direct-injection-type engine. When the engine is under high load, the valve is opened and fuel is injected into the second combustion chamber, so that the engine operates as a prechamber-type engine.

REFERENCES:
patent: 4160432 (1979-07-01), Tsutumi
patent: 4161927 (1979-07-01), Yagi et al.
patent: 4241703 (1980-12-01), Lin-Law
patent: 4372264 (1983-02-01), Truao
patent: 4401072 (1983-08-01), Ito et al.
patent: 4440124 (1984-04-01), Eckert
patent: 4522173 (1985-06-01), Agachie
patent: 4532899 (1985-08-01), Lorts
patent: 4726331 (1988-02-01), Hoppie et al.
patent: 4745891 (1988-05-01), Cola
patent: 5069178 (1991-12-01), Kawaurkra

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