Title:
HYDRAULIC POWER TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/031258
Kind Code:
A1
Abstract:
The purpose of the present invention is to achieve high damping performance stably over the entire normal rotational speed range with a simple structure in a hydraulic power transmission device including a dynamic damper. This device comprises a front cover (2), a torque converter body (8), a lockup device (6), and a dynamic damper (7). The dynamic damper (7) includes: a base plate (28); an inertia ring (29, 30) and a lid member (31, 32) that constitute an inertial body; a viscous damping part (33); and an elastic coupling part (34). The base plate (28) is fixed to an output plate (20). The inertial body is movable in the rotating direction relative to the base plate (28). The viscous damping part (33) is capable of generating a hysteresis torque that is variable in accordance with the relative speed difference between the base plate (28) and the inertial body.
Inventors:
KAWAHARA YUKI (JP)
OKAMOTO YUSUKE (JP)
OKAMACHI YUSUKE (JP)
OKAMOTO YUSUKE (JP)
OKAMACHI YUSUKE (JP)
Application Number:
PCT/JP2015/051925
Publication Date:
March 03, 2016
Filing Date:
January 23, 2015
Export Citation:
Assignee:
EXEDY CORP (JP)
International Classes:
F16H45/02; F16F15/167; F16F15/173
Foreign References:
| JP5555784B1 | 2014-07-23 | |||
| JPS6319440A | 1988-01-27 | |||
| US20110287844A1 | 2011-11-24 | |||
| JP2012077826A | 2012-04-19 |
Attorney, Agent or Firm:
Shinjyu Global IP (JP)
fresh green -- a global IP patent business corporation (JP)
fresh green -- a global IP patent business corporation (JP)
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