Planetary gear transmission systems or components – Differential planetary gearing – With additional gearset between differential output and load
Reexamination Certificate
2005-07-12
2005-07-12
Lewis, Tisha (Department: 3681)
Planetary gear transmission systems or components
Differential planetary gearing
With additional gearset between differential output and load
C475S230000
Reexamination Certificate
active
06916266
ABSTRACT:
A torque division angle drive gearbox is described that contains a torque division double bevel gear stage and a summing gearbox following downstream. In order to create a compact torque division angle drive gearbox it is proposed that an intermediate bevel gear be positioned between two ring gears arranged in mirror-image manner, where the intermediate bevel gear meshes simultaneously with both ring gears. The first ring gear is rigidly connected with a gear that is used as a sun gear of a single stage planetary gearbox. The second ring gear is rigidly connected with an internal gear. Planets circulate and mesh between the internal gear and sun gear and are connected with a planet carrier. A summing of the two torques occurs on the planet carrier through the relative movement of the planets between the internal gear and the sun gear with a total of a very high step-up speed ratio.
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Deere & Company
Lewis Tisha
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