Two stroke engine having exhaust timing control valve means

Details Two stroke engine having exhaust timing control valve means Two stroke engine having exhaust timing control valve means

1980-05-27

1982-04-20

Burns, Wendell E.

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

123 73R, F02D 906

Patent

active

043253350

ABSTRACT:
A two stroke engine having an exhaust port formed in the cylinder wall. At the upper portion of the exhaust port, there is provided a rotary type exhaust timing control valve which is adapted to be actuated by a centrifugal governor device to control the exhaust timing in accordance with the engine speed. The centrifugal governor device has a governor shaft which extends coaxially with the engine crankshaft and directly connected at one end with the adjacent end of the crankshaft.

REFERENCES:
patent: 907823 (1908-12-01), Larson
patent: 2403844 (1946-07-01), Bolli
patent: 3209853 (1965-10-01), Bunker
patent: 4121552 (1978-10-01), Mithuo et al.
patent: 4202297 (1980-05-01), Oku et al.

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