Fuel tolerant combustion engine with reduced knock sensitivity

Details Fuel tolerant combustion engine with reduced knock sensitivity Fuel tolerant combustion engine with reduced knock sensitivity

1994-11-14

1995-12-19

Macy, Marguerite

Internal-combustion engines

Adjustable combustion chamber

Piston in head adjusted

123 78AA, F02B 7504

Patent

active

054760720

ABSTRACT:
A supplemental cylinder head assembly for operation of an engine in a homogeneous charge compression ignition combustion mode. The supplemental cylinder head assembly provides a movable accumulator piston position above the main combustion chamber. The accumulator piston is upwardly responsive to the combustion event in the main combustion chamber and downwardly to a preload force. An engine adapted to receive the supplemental cylinder head assembly is capable of efficiently operating on any fuel in the octane range of zero to 130.

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patent: 4987863 (1991-01-01), Daly
patent: 5007384 (1991-04-01), Blair

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