Power control valve attachment for two cycle motorcycle type eng

Details Power control valve attachment for two cycle motorcycle type eng Power control valve attachment for two cycle motorcycle type eng

1974-06-24

1976-07-20

Burns, Wendell E.

Power plants

Internal combustion engine with treatment or handling of...

Pulsed, timed, tuned or resonating exhaust

60324, 123 65EM, 181 65, F02B 2702

Patent

active

039698955

ABSTRACT:
A power control valve attachment is provided for assembly to a pre-existing exhaust system of a two cycle motorcycle type engine for effecting a back pressuring of the engine cylinder chambers during operation of the engine and includes an assembly of pressure plate and spring biasing means and means for mounting the assembly in the exhaust system duct at a minimum cross sectional area thereof for axial deflective movement under the pressure of the exhaust gases.

REFERENCES:
patent: 1163128 (1915-12-01), Brauer
patent: 2044839 (1936-06-01), Duffy
patent: 2542756 (1951-02-01), Draminsky
patent: 3346071 (1967-10-01), Lader
patent: 3726092 (1973-04-01), Raczuk
patent: 3786791 (1974-01-01), Richardson
patent: 3817227 (1974-06-01), Onishi

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