Two cycle internal combustion engines

Details Two cycle internal combustion engines Two cycle internal combustion engines

1976-06-18

1978-02-28

Myhre, Charles J.

Internal-combustion engines

Two-cycle

Rear compression

123 73R, 123 73B, 123 59B, F02B 3304

Patent

active

040759857

ABSTRACT:
Crank-chamber precompression type two cycle engines having scavenging ports connected with the crank-chamber through scavenging passages. An air supply passage is connected through a reed type check valve with at least one of the scavenging passages at the upper portion thereof so that air is introduced into the scavenging passage in the ascending stroke of piston movement and discharged into the combustion chamber in the descending stroke of the piston movement to effect scavenging. The air passage is provided with a control valve which is interconnected with the engine throttle valve so that the amount of air supply through the air passage can be controlled in accordance with the load condition of the engine operation.

REFERENCES:
patent: 1022664 (1912-04-01), Ellis
patent: 1029398 (1912-06-01), Powell
patent: 1096819 (1914-05-01), Ahlberg
patent: 1722951 (1929-07-01), Barkeij
patent: 2317772 (1943-04-01), Huber et al.
patent: 2481901 (1949-09-01), Bracke
patent: 3107659 (1963-10-01), Steinlein et al.

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