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Title:
HYDRAULIC POWER TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2012/043301
Kind Code:
A1
Abstract:
The disclosed hydraulic power transmission (1) is provided with: a dynamic damper (10) for attenuating vibration transmitted to a front cover (3), and a centrifugal pendulum absorber device (20). In the hydraulic power transmission (1), a first and second coil spring (81, 82) of the damper mechanism (8) and a coil spring (100) of the dynamic damper (10) overlap in the axial direction of the hydraulic power transmission (1) when viewed from the radial direction of said hydraulic power transmission (1), and are arranged between a turbine runner (5) and the centrifugal pendulum absorber device (20) when viewed from the radial direction.

Inventors:
TAKIKAWA YOSHIHIRO (JP)
MARUYAMA KAZUTO (JP)
ITOU KAZUHIRO (JP)
Application Number:
PCT/JP2011/071368
Publication Date:
April 05, 2012
Filing Date:
September 20, 2011
Export Citation:
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Assignee:
AISIN AW CO (JP)
TAKIKAWA YOSHIHIRO (JP)
MARUYAMA KAZUTO (JP)
ITOU KAZUHIRO (JP)
International Classes:
F16H45/02
Domestic Patent References:
WO2010043194A12010-04-22
WO2010066665A22010-06-17
WO2009067987A12009-06-04
Attorney, Agent or Firm:
ITEC INTERNATIONAL PATENT FIRM (JP)
Patent business corporation Itec international patent firm (JP)
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