PULLEY MECHANISM FOR CONTINUOUSLY VARIABLE BELT TRANSMISSION FOR VEHICLE

WIPO Patent Application WO/2013/057833

A1

Provided is a pulley mechanism for a continuously variable belt transmission for a vehicle, the pulley mechanism being configured so that the rigidity of connection between a rotating shaft and a stationary sheave is increased without increasing the axial length of the continuously variable belt transmission. A first affixation section (96) and a second affixation section (98) are provided on both sides of a stepped section (92), and this causes a stationary sheave (68) to be affixed by the first affixation section (96) and the second affixation section (98), thereby increasing the rigidity of connection between the stationary sheave (68) and an output shaft (40). Also, the first affixation section (96) and the second affixation section (98) can be subjected to a belt reaction force during power transmission, and as a result, the amount of tilt of the stationary sheave (68) during power transmission is reduced to minimize a reduction in both the torque capacity and the transmission efficiency of the continuously variable belt transmission (18) and also to minimize a deterioration in the NV characteristics thereof.

KADOKAWA MASANORI (JP)
KAWAI YASUHIRO (JP)
NAKADA HIROFUMI (JP)

PCT/JP2011/074311

April 25, 2013

October 21, 2011

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TOYOTA MOTOR CO LTD (JP)
KADOKAWA MASANORI (JP)
KAWAI YASUHIRO (JP)
NAKADA HIROFUMI (JP)

F16H9/12; F16H9/18; F16H55/49

JPH09217820A	1997-08-19
JP2009103287A	2009-05-14
JP2009115158A	2009-05-28
JP2010276071A	2010-12-09
JPH05240328A	1993-09-17
JPS5986743A	1984-05-19
JP2008157273A	2008-07-10

IKEDA HARUYUKI (JP)
Haruyuki Ikeda (JP)

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