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Patent Searching and Data


Title:
EDDY CURRENT TYPE REDUCTION GEAR
Document Type and Number:
WIPO Patent Application WO/2011/080869
Kind Code:
A1
Abstract:
A reduction gear is provided with: a braking disc which is affixed to a rotating shaft of the vehicle; permanent magnets which are arranged in such a manner that the different magnetic poles are alternately arranged in the circumferential direction so as to face the main surface of the braking disc; a rotating member which holds the permanent magnets, has a switch brake disc, and is rotatably supported by the rotating shaft; a switch brake caliper which has brake pads for sandwiching the switch brake disc and is affixed to a non-rotating part of the vehicle; and an electric linear actuator which is a planetary roller mechanism, the electric linear actuator converting the rotational motion of an electric motor into a rectilinear motion to rectilinearly drive the brake pads. The configuration makes the reduction gear compact and enables the reduction gear to be mounted even on medium- and small-sized vehicles which generally do not have compressed air tank, etc.

Inventors:
SAITO AKIRA (JP)
TASAKA MASAHIRO (JP)
NOGUCHI YASUTAKA (JP)
IMANISHI KENJI (JP)
YAMASAKI TATSUYA (JP)
MAKINO TOMOAKI (JP)
Application Number:
PCT/JP2010/006843
Publication Date:
July 07, 2011
Filing Date:
November 24, 2010
Export Citation:
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Assignee:
SUMITOMO METAL IND (JP)
NTN TOYO BEARING CO LTD (JP)
SAITO AKIRA (JP)
TASAKA MASAHIRO (JP)
NOGUCHI YASUTAKA (JP)
IMANISHI KENJI (JP)
YAMASAKI TATSUYA (JP)
MAKINO TOMOAKI (JP)
International Classes:
H02K49/02; H02K49/10
Foreign References:
JPH0580178U1993-10-29
JP2008039169A2008-02-21
JP2006340428A2006-12-14
JPH04331456A1992-11-19
JP2007037305A2007-02-08
JPH0412659A1992-01-17
JPH04331456A1992-11-19
JPH0580178U1993-10-29
Other References:
See also references of EP 2521251A4
Attorney, Agent or Firm:
MORI, Michio et al. (JP)
Woods Michio (JP)
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