Title:
HYDROKINETIC TORQUE COUPLING DEVICE WITH CENTERED FRICTION DISC
Document Type and Number:
WIPO Patent Application WO/2018/212589
Kind Code:
A1
Abstract:
A hydrokinetic torque-coupling device for coupling driving and driven shafts. The torque-coupling device includes a casing having a locking surface, an impeller wheel and a turbine wheel hydrodynamically drivable by the impeller wheel, a lockup piston axially movable toward and away from the locking surface, a friction disc including a generally radially orientated friction ring and at least one driving tab, and a torsional vibration damper comprising the friction disc, elastic members and an engagement member elastically coupled to the friction disc through the elastic members. The friction ring has a radially outer peripheral surface defining a centering surface of the friction disc. The engagement member includes at least one centering tab extending toward the friction ring and having a centering surface disposed adjacent to and facing the centering surface of the friction disc to center the friction disc with respect to the engagement member of the torsional vibration damper.
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Inventors:
CAI LIGUANG (US)
LEE SUNGCHUL (US)
YANG ZANE (US)
LEE SUNGCHUL (US)
YANG ZANE (US)
Application Number:
PCT/KR2018/005609
Publication Date:
November 22, 2018
Filing Date:
May 16, 2018
Export Citation:
Assignee:
VALEO KAPEC CO LTD (KR)
International Classes:
F16H45/02
Domestic Patent References:
| WO2016159326A1 | 2016-10-06 |
Foreign References:
| US20150184720A1 | 2015-07-02 | |||
| US20170108050A1 | 2017-04-20 | |||
| US20160061306A1 | 2016-03-03 | |||
| US20120208647A1 | 2012-08-16 |
Attorney, Agent or Firm:
FIRSTLAW P.C. (KR)
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