Double crankshaft valved two cycle engine

Details Double crankshaft valved two cycle engine Double crankshaft valved two cycle engine

1976-12-10

1978-01-31

Myhre, Charles J.

Internal-combustion engines

Multiple piston, common nonrestrictive combustion chamber

Four-cycle

123 51BA, 123 73D, 123 73V, F02B 2510

Patent

active

040710009

ABSTRACT:
A two cycle engine is disclosed wherein a pair of pistons reciprocate within a common cylinder to operate a pair of crankshafts mounted at opposite ends of said cylinder. Intake mixtures for the cylinder are crankcase-pumped, and both the intake and output ports of each crankcase are valved. This valving prevents combustion within the crankcase and limits the compression volume in order to assure the highest compression of intake gases possible. A piston ring is included at the lower end of the skirt of each piston in order to further reduce the compressed volume.

REFERENCES:
patent: 877834 (1908-01-01), Daniel
patent: 1199204 (1916-09-01), Pieper
patent: 1424798 (1922-08-01), Black
patent: 1578476 (1926-03-01), Slaught
patent: 2246701 (1941-06-01), Steiner
patent: 2782777 (1957-02-01), Jasper
patent: 2844131 (1958-07-01), Beveridge
patent: 2917032 (1959-12-01), Mitchener
patent: 3119380 (1964-01-01), Armstrong
patent: 3672172 (1972-06-01), Hammond
patent: 3805750 (1974-04-01), Tenney

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