POWER TRANSMISSION DEVICE

WIPO Patent Application WO/2015/001859

A1

Provided is a power transmission device capable of reaching a target point when changing gears, more rapidly than conventionally possible. The power transmission device comprises an input unit, an output shaft, a lever crank mechanism, a one-way rotation-prevention mechanism, and a control unit. The lever crank mechanism comprises a rotation radius adjustment mechanism capable of freely adjusting the rotation radius. The control unit comprises a gear shift method determination unit that determines either: fixed range gear shifting whereby gear shift occurs within a fixed range; or idle range gear shifting whereby gear shift occurs within the idle range, approaching a target point. The gear shift method determination unit selects fixed range gear shifting if a determination has been made that a force has been applied to the rotation radius adjustment mechanism, said force being in the reduced diameter direction in which the rotation radius is reduced by the reduced radius force determination unit.

WO/2011/122102	CONTROL DEVICE FOR POWER TRANSMISSION DEVICE, AND POWER TRANSMISSION DEVICE
JP7465212	A system for calculating the minimum torque at the wheels of a motor vehicle, and a system for determining the moment of release of the accelerator using such a calculation system.
WO/1995/004234	CONTROL SYSTEM FOR AN AUTOMATIC SHIFT GEAR BOX

KOBAYASHI TSUNEHIRO (JP)

PCT/JP2014/063218

January 08, 2015

May 19, 2014

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HONDA MOTOR CO LTD (JP)

F16H61/02; F16H29/04; F16H61/66

JP2013001190A	2013-01-07
JP2013047492A	2013-03-07
JP2013061043A	2013-04-04
JP2012215228A	2012-11-08

SATO & ASSOCIATES (JP)
Patent business corporation creation international patent firm (JP)

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