Two stroke engine having exhaust timing control valve means

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United States of America Patent

PATENT NO 4325335
SERIAL NO

06153707

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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.

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Patent Owner(s)

  • YAMAHA HATSUDOKI KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shibata, Hirotaka Hamamatsu, JP 9 109

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