Hybrid propulsion system for a watercraft
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United States of America Patent
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-
Apr 26, 2016
Grant Date -
N/A
app pub date -
Jan 31, 2014
filing date -
Jan 31, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A watercraft propulsion system has a driveshaft, an impeller or a propeller, an overrunning clutch, an electric motor and an internal combustion engine. The overrunning clutch has a first race and a second race. The first race is one of an inner race and an outer race. The second race is an other one of the inner race and the outer race. The first race is connected to the driveshaft for driving the driveshaft. The electric motor has a motor output shaft operatively connected to the first race. The internal combustion engine has an engine output shaft operatively connected to the second race. The overrunning clutch is connected to the motor output shaft and the engine output shaft such that the electric motor is able to selectively rotate the first race at a higher speed than the second race. A watercraft having the propulsion system is also disclosed.
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