Internal combustion engine with stepped piston supercharger

Details Internal combustion engine with stepped piston supercharger Internal combustion engine with stepped piston supercharger

1977-05-13

1979-10-02

Myhre, Charles J.

Internal-combustion engines

Valved piston

Charge passes from crankcase through valve in piston

123 59BS, 123 75CC, 123190BF, F01L 1102, F02B 3312, F01L 702

Patent

active

041694341

ABSTRACT:
A reciprocating piston four cycle internal combustion engine utilizes a stepped piston the stepped portion of which, working in an enlarged bore in the block, serves as a compressor to provide a supercharged fuel-air mixture to the combustion chamber. The compressor delivers two compression strokes per engine cycle. The compressed fuel-air mixture travels from the compressor via a bypass manifold, which also serves as an accumulator, to the main cylinder via an intake valve. Fuel-air mixture is admitted to the compressor cylinder through the crankcase and valved passages through the stepped portion of the piston.

REFERENCES:
patent: 612047 (1898-10-01), Millen
patent: 981331 (1911-01-01), Twitchell
patent: 989391 (1911-04-01), Moser
patent: 1771552 (1930-07-01), Tower
patent: 2085547 (1937-06-01), Schrom
patent: 3574997 (1971-04-01), Syrovy
patent: 3948227 (1976-04-01), Guenther
patent: 3973532 (1976-08-01), Litz
patent: 4027632 (1977-06-01), Wagner

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