V-type, multi-cylinder, two-cycle engine

Details V-type, multi-cylinder, two-cycle engine V-type, multi-cylinder, two-cycle engine

1995-02-06

1997-04-29

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

Cylinders radiating

123 73V, 123 73R, F02B 3304

Patent

active

056238959

ABSTRACT:
An improved scavenging control system for a multi-cylinder, V-type, two-cycle crankcase compression internal combustion engine. In each embodiment, a scavenging manifold extends along one side of the crankcase chamber and communicates with the individual sealed sections therein through respective scavenging control passages. A plurality of butterfly-type throttle valves controls the communication between the crankcase chamber and the scavenging manifold and these valves are all affixed on a common valve shaft. In one embodiment, the scavenge control system is disposed in the valley between the cylinder banks and in the other illustrated embodiment, the scavenging system is disposed on one side of the crankcase and outside of the valley between the cylinder banks.

REFERENCES:
patent: 2067715 (1937-01-01), Kylen
patent: 2639699 (1953-05-01), Kiekhaefer
patent: 3166054 (1965-01-01), Conover
patent: 3815559 (1974-06-01), Anderson
patent: 4589382 (1986-05-01), Tsuboi
patent: 4690109 (1987-09-01), Ogasahara et al.
patent: 4879974 (1989-11-01), Alvers
patent: 4892066 (1990-01-01), Brown
patent: 4898127 (1990-02-01), Phillips et al.
patent: 5251584 (1993-10-01), Ohkubo

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