Internal-combustion engines – Precombustion and main combustion chambers in series – Plural precombustion chambers
Patent
1990-09-28
1991-12-03
Neill, Raymond A.
Internal-combustion engines
Precombustion and main combustion chambers in series
Plural precombustion chambers
123292, 123276, F02B 1900
Patent
active
050691783
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.
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Isuzu Motors Limited
Neill Raymond A.
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