Thrust absorbing planetary traction drive superturbo
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United States of America Patent
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Jun 6, 2017
Grant Date -
May 21, 2015
app pub date -
Oct 10, 2014
filing date -
Nov 21, 2013
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Abstract
Disclosed are embodiments of thrust absorbing planetary traction drives that utilize roller-shaft traction interfaces that are slanted to absorb thrust created on a turbo shaft by a turbine or compressor. Slanted traction surfaces on the sun portion of the turbo shaft are slanted inwardly so that the turbo shaft remains centered in the planetary traction drive. Either double roller planets or single roller planets can be used to absorb thrust in the axial direction of the turbo shaft. Various curved and slanted surfaces can be utilized to create traction interfaces that hold and stabilize the turbo shaft both axially and radially.
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