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Title:
VEHICLE TORQUE CONVERTER
Document Type and Number:
WIPO Patent Application WO/2017/204403
Kind Code:
A1
Abstract:
The present invention provides a vehicle torque converter which reduces the number of components and increases stability in a long travel torsional damper structure having a two-stage operating spring. A vehicle torque converter of the present invention comprises a front cover, an impeller, a turbine, a reactor, a lock-up clutch, and a torsional damper, wherein the lock-up clutch includes a clutch drum coupled to the front cover, a plurality of first friction plates coupled to a first clutch drum, a second friction plate disposed between the plurality of first friction plates, and a retaining plate which supports springs provided to the torsional damper and includes an extending drum part to which the second friction plate is coupled.

Inventors:
SUNG SANGHYUN (KR)
CHOI WAN (KR)
SHIN SOON CHEOL (KR)
Application Number:
PCT/KR2016/007587
Publication Date:
November 30, 2017
Filing Date:
July 13, 2016
Export Citation:
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Assignee:
KOREA POWERTRAIN CO LTD (KR)
International Classes:
F16H41/24; F16F15/121
Foreign References:
KR20160032091A2016-03-23
KR20140009849A2014-01-23
JP2011169442A2011-09-01
KR20050065354A2005-06-29
KR20150135429A2015-12-02
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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