Title:
TORSIONAL VIBRATION DAMPING DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/125050
Kind Code:
A1
Abstract:
A torsional vibration damping device having a curved rolling surface formed at a location apart, in the radial direction, from the rotation center of a rotating body that receives torque and rotates, and along the circumferential direction of the rotating body, said rolling surface having a center of curvature at a location away from the rotation center of the rotating body; and comprising a rolling body caused to come in contact with the rolling surface by the centripetal force caused by rotating together with the rotating body, and which rolls along the rolling surface as a result of the torsional vibration of the rotating body. The rolling body has: a hollow first rolling body that rolls along the rolling surface; and a second rolling body arranged inside the first rolling body so as to roll along a second rolling surface formed inside the first rolling body.
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Inventors:
AMANO HIROYUKI (JP)
MIYAHARA YU (JP)
AIJIMA SHINGO (JP)
MIYAHARA YU (JP)
AIJIMA SHINGO (JP)
Application Number:
PCT/JP2012/054668
Publication Date:
August 29, 2013
Filing Date:
February 26, 2012
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
AMANO HIROYUKI (JP)
MIYAHARA YU (JP)
AIJIMA SHINGO (JP)
AMANO HIROYUKI (JP)
MIYAHARA YU (JP)
AIJIMA SHINGO (JP)
International Classes:
F16F15/131; F16F15/14; F16H45/02
Foreign References:
| JP2010249297A | 2010-11-04 | |||
| JPS4967067A | 1974-06-28 | |||
| JP2012062962A | 2012-03-29 | |||
| JP2002340097A | 2002-11-27 | |||
| JP2011504987A | 2011-02-17 |
Other References:
See also references of EP 2818753A4
Attorney, Agent or Firm:
WATANABE, TAKEO (JP)
Takeo Watanabe (JP)
Takeo Watanabe (JP)
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Claims: