Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1987-11-12
1989-08-29
Wright, Dirk
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
F16H 344
Patent
active
048606154
ABSTRACT:
A reversible transmission for a motor vehicle, more particularly for use in a boat, operates in a forward drive mode, reverse drive mode, and neutral mode. The reversible transmission has a housing with a rotatably mounted driving or input shaft and a rotatably mounted driven or output shaft. A planetary gear device is used to transmit power from the driving shaft to the driven shaft. When the transmission is in the forward drive mode, a planetary ring gear of the planetary gear device is interconnected with the driving shaft by engagement of a first clutch to cause the planetary gear carrier of the planetary gear device to rotate with the driving shaft in the same angular direction thereby rotating the driven shaft in the same angular direction. When the transmission is in the reverse drive mode, the planetary ring gear is interconnected with the transmission housing by engagement of a second clutch to fix the ring gear against rotation and the first clutch is disengaged disconnecting the ring gear from the driving shaft causing the planetary gear carrier to rotate in the opposite angular direction to the driving shaft thereby rotating the driven shaft in the opposite angular direction to the driving shaft. When the transmission is in the neutral mode, both the first and second clutches are disengaged.
REFERENCES:
patent: 2540965 (1951-02-01), Schellinger
patent: 3069929 (1962-12-01), Hansen
patent: 3365985 (1968-01-01), Johnson
patent: 4567788 (1986-02-01), Miller
patent: 4649773 (1987-05-01), Svab
patent: 4688664 (1987-08-01), Miller
Hone Ronald D.
Huber Thomas V
DNE Corporation
Wright Dirk
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