| 摘要 |
An orbital transmission comprising an input element connected to a first power source, a control element connected to a second power source and an output element connected to the control element whereby rotational power is transmitted by an orbiting gear in the output element. The orbital transmission functions based on the relationship of the speed of the orbit of the orbiting gear and the speed of rotation of the input shaft. When the orbiting gear makes one complete orbit in the same time that the input shaft makes one revolution, then the transmission is in neutral and no rotation will be imparted to the output shaft. When the orbiting gear makes less orbits in a unit of time than the input shaft makes revolutions in the same unit of time, the transmission will impart rotation in a first direction to the output shaft which may be forward. When the orbiting gear makes more orbits in a unit of time than the input shaft makes revolutions in the same unit of time, the transmission will impart rotation in a second direction to the output shaft which may be reverse. The direction of rotation of the input shaft must be the same as the direction of orbit of the orbiting shaft.
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