DRIVE MECHANISM FOR INFINITELY VARIABLE TRANSMISSION
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United States of America Patent
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Issued Date -
Feb 21, 2013
app pub date -
Oct 22, 2010
filing date -
Oct 29, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A variator transmission comprises an input disc (10), an input disc drive shaft (20) on which the input disc is mounted, a transmission input shaft (28) for rotating the input disc drive shaft (20), an output disc (12) facing the input disc and arranged to be rotatable coaxially therewith. The input and output discs have a toroidal cavity, rollers (14, 16), means for varying the inclination of the rollers, means (40, 42, 44) for applying to one of the input disc (10) and the output disc (12) a first end load proportional to the input torque applied by the transmission input shaft (28) and means (52, 54, 56) for applying a second end load proportional to the output torque of the variator.
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