Title:
SEALED PISTON APPARATUS AND RELATED SYSTEMS FOR USE WITH VEHICLE TORQUE CONVERTERS
Document Type and Number:
WIPO Patent Application WO/2021/066589
Kind Code:
A1
Abstract:
Sealed piston apparatus and related systems for use with vehicle torque converters are disclosed. A disclosed vehicle torque converter includes a housing and a clutch including a piston in the housing. The piston has a first side partially defining a first chamber and a second side, opposite the first side, partially defining a second chamber. The vehicle torque converter also includes a first seal operatively coupled to the piston and a second seal operatively coupled to the piston. The vehicle torque converter also includes an orifice positioned on the piston radially inward relative to a clutch pack of the clutch. The orifice is configured to provide a flow of a fluid between the first and second chambers during a lockup on operation of the vehicle torque converter to lubricate the clutch. The first seal is a one-way seal.
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| JP5202718 | Torque converter lockup device |
| WO/2020/028506 | HYBRID MODULE CONFIGURATION |
Inventors:
VELAYUDHAM VIJAYAKUMAR (KR)
LEE SUNGCHUL (KR)
JEYABALAN SUBRAMANIAN (KR)
YIN XUEXIAN (KR)
LEE SUNGCHUL (KR)
JEYABALAN SUBRAMANIAN (KR)
YIN XUEXIAN (KR)
Application Number:
PCT/KR2020/013437
Publication Date:
April 08, 2021
Filing Date:
September 29, 2020
Export Citation:
Assignee:
VALEO KAPEC CO LTD (KR)
International Classes:
F16H45/02; F16H41/24
Foreign References:
| US20190136914A1 | 2019-05-09 | |||
| US20060124421A1 | 2006-06-15 | |||
| US6155392A | 2000-12-05 | |||
| US20190044410A1 | 2019-02-07 | |||
| JP2009019772A | 2009-01-29 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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