Title:
STEPLESS TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2011/067812
Kind Code:
A1
Abstract:
A stepless transmission (1) comprising a stepless transmission mechanism (10) which is provided with: an input disk (17); an output disk (18); and planetary balls (14) held between the input and output disks, the stepless transmission mechanism (10) being adapted to steplessly change, between the input disk (17) and the output disk (18), the transmission ratio by tilting the planetary balls (14). The cooling performance of the cooling device (250) for the stepless transmission mechanism (10) increases as the transmission ratio becomes greater than 1 or becomes less than 1.
Inventors:
OGAWA HIROYUKI (JP)
MURAKAMI AKIRA (JP)
MURAKAMI AKIRA (JP)
Application Number:
PCT/JP2009/006565
Publication Date:
June 09, 2011
Filing Date:
December 02, 2009
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
OGAWA HIROYUKI (JP)
MURAKAMI AKIRA (JP)
OGAWA HIROYUKI (JP)
MURAKAMI AKIRA (JP)
International Classes:
F16H15/52
Foreign References:
| JP2004052929A | 2004-02-19 | |||
| JP2001132808A | 2001-05-18 | |||
| JP2007195320A | 2007-08-02 |
Attorney, Agent or Firm:
SAKAI, Hiroaki et al. (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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