Two cycle engine with piston mounted poppet valve operating mech

Details Two cycle engine with piston mounted poppet valve operating mech Two cycle engine with piston mounted poppet valve operating mech

1994-02-24

1996-02-13

Okonsky, David A.

Internal-combustion engines

Valved piston

Charge passes from crankcase through valve in piston

123 47AB, 123 65VB, F02B 7502

Patent

active

054904820

ABSTRACT:
A two cycle piston engine is described in which one or more intake poppet valves are carried in the top of the piston which driven onto a respective mating valve seat in the cylinder head by piston movement towards top dead center, a spring allowing retraction of the valve into the piston top after the poppet valve seats on its valve seat. A two valve arrangement opens one valve before the other, with air only in flowing through the first valve seat prior to opening of the other valve seat, through which fuel is injected.

REFERENCES:
patent: 857842 (1907-06-01), Stadel
patent: 1010754 (1911-12-01), Hall
patent: 1128917 (1915-02-01), Tomasini
patent: 1580720 (1926-04-01), Gold
patent: 3584610 (1971-06-01), Porter
patent: 4206727 (1980-06-01), Siegien
patent: 4218994 (1980-08-01), Reed
patent: 4424772 (1984-01-01), Porter

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