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Title:
SHEAVE DRIVING DEVICE FOR CONTINUOUSLY VARIABLE TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2018/052139
Kind Code:
A1
Abstract:
Provided is a sheave driving device, which is compact and has an excellent vehicle mountability, for a continuously variable transmission. An electric linear-motion actuator (4) that moves a movable sheave (3) in an axial direction has: an electric motor (20) that is formed in a hollow annular shape so as to be penetrated by a pulley shaft (1); a nut (21) that is driven to rotate by the electric motor (20) and is arranged coaxially with the electric motor (20); and a hollow screw shaft 22 that is engaged with the nut (21) and is moved, by rotation of the nut (21), integrally with the movable sheave (3) in the axial direction.

Inventors:
MATSUTO TAKUSHI (JP)
KATO AKIO (JP)
IKEDA YOSHINORI (JP)
HIRANO SHINSUKE (JP)
Application Number:
JP2017/033562
Publication Date:
March 22, 2018
Filing Date:
September 15, 2017
Export Citation:
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Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16H9/18; F16C19/30; F16C19/46; F16H1/32; F16H25/20
Foreign References:
JP2001349401A2001-12-21
JP2016065579A2016-04-28
JP2016161117A2016-09-05
JP2005036855A2005-02-10
JP2005511987A2005-04-28
JP2005308063A2005-11-04
Attorney, Agent or Firm:
KAMADA Naoya et al. (JP)
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