Symmetry control for a continuously variable transmission device
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United States of America Patent
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Jun 12, 2018
Issued Date -
Aug 11, 2016
app pub date -
Feb 11, 2015
filing date -
Feb 11, 2015
priority date (Note) -
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Abstract
A continuously variable transmission includes a radially inner race, having a first radially inner race structure and a second radially inner race structure spaced along an axis wherein at least one of the first radially inner race structure or the second radially inner race structure is axially movable. The transmission further includes a radially outer race, having a first radially outer race structure and a second radially outer race structure spaced along an axis wherein at least one of the first radially outer race structure or the second radially outer race structure is axially movable, planetary members in rolling contact with the radially inner races and the radially outer races, and an outer race assembly that includes a hydraulic cavity housing, a hydraulic cavity sealed between the hydraulic cavity housing and the first radially outer race structure to control axial movement of the first radially outer race structure.
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