Two cycle engine

Details Two cycle engine Two cycle engine

1988-09-06

1991-01-22

Peters, Jr., Joseph F.

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

123323, B63H 2132

Patent

active

049867806

ABSTRACT:
Several embodiments of outboard motors embodying two cycle internal combustion engines having an exhaust control valve and a decompression control valve that is operated in response to engine operating characteristics to improve performance and reduce noise. Embodiments are disclosed wherein the control is in response to throttle valve position, engine speed and/or exhaust gas pressure.

REFERENCES:
patent: 4341188 (1982-07-01), Nerstrom
patent: 4399788 (1983-08-01), Bostelmann
patent: 4793347 (1988-12-01), Taniuchi et al.

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