V-shaped plural cylinder two-cycle engine

Details V-shaped plural cylinder two-cycle engine V-shaped plural cylinder two-cycle engine

1995-02-07

2000-12-26

McMahon, Marguerite

Internal-combustion engines

Multiple cylinder

Cylinders radiating

123 65P, F02B 2508

Patent

active

061642517

ABSTRACT:
Several embodiments of the type two-cycle crankcase compression engines having exhaust control valves for controlling the effective compression ratio of the engine. The exhaust control valves are rotatably journaled in respective cylinder banks and are disposed at the same distance from a plane passing through the center of the valley between the cylinder banks as each other facilitating a common drive therefor. In one embodiment the exhaust control valves are disposed on the side of the cylinder banks adjacent the valley and in another embodiment they are disposed on the outside of the cylinder banks.

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patent: 5361731 (1994-11-01), Tanaka
European Search Report dated Jun. 15, 1995. Patent Abstracts of Japan--vol. 10 No. 211 (M-501) [2267], Jul. 24, 1987 & JP-A-61 052458 (Yamaha) Mar. 15, 1986.

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