Force or torque transmitting apparatus with two hydraulic clutches

US5771998A · kind A · utility

Assignee

• LUK Lamellen Und Kupplungsbau · US

Inventors

• Steven Olsen · Bühl, DE
• Rudolf Honemann · Ottersweier, DE
• Wendy Boman · Wooster, US

Key dates

• Filing date: Jun 6, 1995
• Grant date: Jun 30, 1998
• Expiry date: Jun 6, 2015

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16H2045/0278
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A force or torque transmitting apparatus which transmits torque from the output element of a prime mover to the input element of a transmission or another driven unit in a motor vehicle by way of a hydrokinetic torque converter and/or by way of a lockup clutch. When the vehicle embodying the apparatus is coasting, the housing of the torque converter is engaged only by the friction lining on the axially movable piston of the lockup clutch when the latter is engaged, either entirely or with slip. Thus, it is not necessary to provide one or more thrust bearings between the piston of the lockup clutch and the housing of the torque converter.