Piston with a resonant cavity

Details Piston with a resonant cavity Piston with a resonant cavity

1989-06-21

1990-11-13

Okonsky, David A.

Internal-combustion engines

Two-cycle

Rear compression

123193P, F02B 3304

Patent

active

049694251

ABSTRACT:
The invention relates to a piston for a cylinder of a two-stroke internal combustion engine, the engine having an auxiliary air inlet port which communicates with a cavity within the crown structure of the piston as the piston passes through bottom dead center. The air within the cavity is caused to resonate at high frequency, thereby enhancing the combustion process, enhancing low speed power, torque and eveness of engine running, and reducing or eliminating engine pre-combustion "knock".

REFERENCES:
patent: 1046359 (1912-12-01), Winton et al.
patent: 1483619 (1924-02-01), Smith
patent: 1527166 (1925-02-01), Bezu
patent: 1535433 (1925-04-01), Morrell
patent: 4016839 (1977-04-01), Morton
patent: 4167930 (1979-09-01), McNair, Jr.
patent: 4182297 (1980-01-01), Ikenoya et al.
patent: 4370959 (1983-02-01), McNair, Jr.

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