Ultra lean burn carburetted adiabatic engine

Details Ultra lean burn carburetted adiabatic engine Ultra lean burn carburetted adiabatic engine

1983-01-10

1985-02-19

Cuchlinski, Jr., William A.

Internal-combustion engines

Engine speed regulator

Charge proportion varying

123 9018, 123536, 123638, F02D 1302, F02P 1502

Patent

active

044998724

ABSTRACT:
An improved carburetted internal combustion engine (10) which operates with an extremely lean mixture, without a conventional cooling system, and at an elevated temperature characteristic of an adiabatic engine. The engine uses two ignition sources (20, 21) symmetrically disposed about the center of the cylinder head, and/or a third igniting and microwave coupling means (19) at the center, to achieve extreme lean mixture combustion and relatively fast burn necessary for adiabatic engine operation. The engine incorporates other features to improve its efficiency and emissions, including engine air-throttling through controlled intake valve closure and unconventional valve timing.

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patent: 4297983 (1981-11-01), Ward
patent: 4308519 (1981-12-01), Garcea et al.
patent: 4317068 (1982-02-01), Ward et al.

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