Two stroke engines

Details Two stroke engines Two stroke engines

1977-02-17

1979-12-18

Myhre, Charles J.

Internal-combustion engines

Two-cycle

Rear compression

123 73B, F02B 3304

Patent

active

041788869

ABSTRACT:
Two stroke engines of the crankchamber precompression type are described which include an intake port leading from the intake passage and cyclically opened to the crankchamber by means of the piston. Auxiliary intake passages extend between the intake passage and the scavenging passages and include reed type check valves so that the intake mixture is introduced into the crankchamber as soon as the piston upward movement starts. Additional mixture can also be supplied through the auxiliary passages in the scavenging stroke of the engine operation.

REFERENCES:
patent: 3107659 (1963-10-01), Steinlein et al.
patent: 3687118 (1972-08-01), Nomura
patent: 3815558 (1974-06-01), Tenney
patent: 3905340 (1975-09-01), Boyesen
patent: 3934562 (1976-01-01), Isaha

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