Shift element sub-assembly for a transmission

Details Shift element sub-assembly for a transmission Shift element sub-assembly for a transmission

2005-11-29

2005-11-29

Bonck, Rodney H. (Department: 3681)

192 clutches and power-stop control

Clutches

Operators

C192S08200T, C192S083000

Reexamination Certificate

active

06968935

ABSTRACT:
A shift element sub-assembly for a transmission having two axially adjacent shift elements (2, 3) that are located in a transmission housing (1). The discs of both shift elements (2, 3) lie axially adjacent in the interior of the disc carrier (4) and are separated from one another by a central partition (40) of the disc carrier (4). Each shift element (2, 3) has a piston (23, 33) and a closing pressure chamber (24, 34), and at least one resetting element (27, 37, 39) for resetting the piston. Additionally, each shift element (2, 3) has a secondary piston (26, 36), which acts on the discs of each shift element (2, 3) in opposition to a resetting force of the resetting element (27, 37, 39) of each shift element (2, 3), via the piston (23, 33) of each shift element (2, 3), and at least one resetting element (27, 37, 39) of the shift element sub-assembly is configured as a drain pressure chamber (27, 37) that can be hydraulically or pneumatically actuated.

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Ehrlinger, Ing. (Grad.) Friedrich J. and Dipl. Ing. Walter Kuhn, “Des automatische ZF-Getriabe HP 500-Tail 2”,ATZ Automobiltechnische Zaltschrift79 (1977) 10, pp. 483-488.

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