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

1981-01-07

1983-01-18

Burns, Wendell E.

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

123 65P, 123 65PE, 123195A, F02D 906

Patent

active

043687032

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. At the other end, the crankshaft is provided with a magneto device so that the magneto does not have any magnetic influence on the centrifugal governor device.

REFERENCES:
patent: 2133458 (1938-10-01), Lesage
patent: 2177199 (1939-10-01), Lansing
patent: 2446919 (1948-08-01), Goldberg
patent: 4114586 (1978-09-01), Fujikawa
patent: 4285311 (1981-08-01), Iio

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