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Pressure piece for a synchronization device

A technology for synchronizing equipment and pressure parts, which is applied in the field of pressure parts and can solve problems such as negative effects

Active Publication Date: 2017-12-12
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] A disadvantage of a satisfactory solution is, on the one hand, that the stability of the sleeve carrier, and especially the rigidity of its body structure, is negatively affected due to the recess for accommodating the pressure piece

Method used

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  • Pressure piece for a synchronization device
  • Pressure piece for a synchronization device
  • Pressure piece for a synchronization device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] Figures 1 to 5 A synchronizing device 1 is shown which has a sliding sleeve 2 , a sleeve carrier 3 , a plurality of synchronizing rings 4 , 5 , a gear wheel 6 , a coupling body 7 and a pressure part 8 .

[0029] The sleeve carrier 3 is seated on a transmission shaft, not shown, and engages the transmission shaft by means of a wedge-shaped profile 3c or similarly with a corresponding counter-contour. The sliding sleeve 2 is located on the sleeve carrier 3 . The sliding sleeve 2 has internal toothing, by means of which the sliding sleeve 2 engages into a corresponding mating toothing 31 on the sleeve carrier 3 . The sliding sleeve 2 is arranged longitudinally displaceable on the sleeve carrier 3 . The sliding sleeve 2 , the sleeve carrier 3 and the transmission shaft are connected to one another in a rotationally fixed manner via mutually meshing profiles and toothings, so that the transmission shaft, the sleeve carrier 3 and the sliding sleeve 2 face each other jointl...

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PUM

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Abstract

The invention relates to a pressure piece (8) for a synchronization device (1) of a motor vehicle gear unit having a housing (81) and a spring, manufactured separately from the housing (81), wherein the housing (81) has a floor (82), the axial length of which is greater than the axial length of the spring (9), a cover section (84), wherein the spring (9) is arranged radially between the cover section (84) and the floor (82), at least in part, the spring (9) extends into the open spaces (86) and protrudes radially over the cover section (84) without force being enacted externally on the pressure piece (8).

Description

technical field [0001] The invention relates to a pressure part for a synchronizing device of a motor vehicle transmission, said pressure part having a housing and a profiled spring produced separately from the housing, wherein the housing has a base, the axial length of which is greater than that of the spring The axial length of; the side wall, the side wall at least partially surrounds the spring; and the cover section, wherein the spring is at least partially radially disposed between the cover section and the bottom. Background technique [0002] A pressure piece of this type is described in EP 0 870 941 A1. The resilient locking element is formed on the base body of the pressure part formed from a plate. The locking element in the form of a spring bow is formed from a flat plate of the basic body, protrudes from the pressure piece and is curved in its pressing direction. The basic body of the pressure part is supported on the sleeve carrier radially in the direction ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D23/06
CPCF16D23/06F16D2023/0631F16D2023/0681F16D2023/0637F16D2023/0656
Inventor 维克托·利希滕瓦尔德
Owner SCHAEFFLER TECH AG & CO KG