Two stroke internal combustion engine and method of operation th

Details Two stroke internal combustion engine and method of operation th Two stroke internal combustion engine and method of operation th

1975-05-22

1977-05-31

Husar, C. J.

Internal-combustion engines

Two-cycle

Rear compression

123 65R, 123 73R, 123 73PP, F02B 3304

Patent

active

040262545

ABSTRACT:
Disclosed herein is an internal combustion engine (and a method of operation thereof) comprising a piston movable relative to a combustion chamber and to a crankcase to effect cyclical pressure variation in the crankcase in response to piston movement, a transfer passage for introducing fuel-air mixture into the combustion chamber from the crankcase in response to cyclical crankcase pressure variation, an auxiliary chamber separate from the transfer passage, and a port arrangement for providing the auxiliary chamber with pressurized air in response to cyclical crankcase pressure variation and for initiating communication of the auxiliary chamber with the combustion chamber in response to piston movement during the presence of pressurized air in the auxiliary chamber and at a time other than the time of initiation of introduction of fuel-air mixture into the combustion chamber.

REFERENCES:
patent: 968200 (1910-08-01), Scott
patent: 2966900 (1961-01-01), Ehrlich
patent: 3312205 (1967-04-01), Ehrlich

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