Power transmission device
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United States of America Patent
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Nov 22, 2016
Grant Date -
Nov 5, 2015
app pub date -
Nov 8, 2013
filing date -
Nov 20, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
When a drive shaft (37) is driven while the operation of an engine (36) is stopped, the rotation of an input-side rotor (28) is restricted by the engagement of a brake. Further, on the basis of the temperature Temp_SR of a brush (96) acquired by a temperature sensor (97), the distribution of torque Tcoup acting between the input-side rotor (28) and the first output-side rotor (18) and torque Tmg acting between the stator (16) and the second output-side rotor (19) is controlled. Consequently, drive performance when the drive shaft (37) is driven while the operation of the engine (36) is stopped is improved while local overheating of a slip ring (95) is prevented.
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