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Shifting equipment for motor vehicles and motor vehicle transmissions

A technology for motor vehicles and equipment, applied in mechanical equipment, mechanical drive clutches, non-mechanical drive clutches, etc., can solve the problems of unfavorable transmission efficiency, impact, high drag torque, etc.

Active Publication Date: 2021-08-10
HOERBIGER ANTRIEBSTECHN HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the large number of friction points, the undesired drag torque is rather high in the decoupled state and has a negative effect on transmission efficiency

Method used

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  • Shifting equipment for motor vehicles and motor vehicle transmissions
  • Shifting equipment for motor vehicles and motor vehicle transmissions
  • Shifting equipment for motor vehicles and motor vehicle transmissions

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0066] exist Figures 1 to 3 A shifting device 10 according to a first embodiment is shown in , which comprises a first coupling component 12 and a second coupling component 14 .

[0067] Here, in the embodiment shown, the two coupling components 12 , 14 are shafts or shaft sections that are rotatable about a ring center axis 16 .

[0068] Furthermore, the shifting device 10 comprises a first friction fit ring 18 , a second friction fit ring 20 , a third friction fit ring 22 and an actuation ring 24 , wherein the first friction fit ring is fixed against rotation and along the ring center axis 16 Displaceably coupled to the second coupling member 14, the second friction fit ring is rotationally fixed and displaceably coupled to the first coupling member 12 along the ring central axis 16, the third friction fit ring The actuating ring is coupled in a rotationally fixed manner and displaceable along the ring center axis 16 to the second coupling member 14 , and the actuating rin...

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PUM

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Abstract

The invention relates to a shifting device (10) for a motor vehicle, said shifting device comprising a first coupling member (12) which can be selectively coupled with a second coupling member ( 14) Form-fitting rotational coupling. In this case, in the disconnected state, the first coupling component (12) is rotationally decoupled from the second coupling component (141). In the friction fit state, the coupling members (12, 14) are frictionally coupled in rotation via the first friction fit ring (18) and the second friction fit ring (20). In the form-fitting state, the steering ring (24) is rotationally coupled to the first coupling member (12) and the second coupling member (14) in a form-fitting manner such that the first and second coupling members and the The actuation ring is positively connected. In addition, the invention relates to a motor vehicle transmission, in particular a fully automatic multi-speed transmission, having such a shifting device (10).

Description

technical field [0001] The invention relates to a shifting device for a motor vehicle, in particular a fully automatic multi-speed transmission, which has a first coupling member which can be selectively coupled to a second The components are rotationally coupled in a form-fitting manner. [0002] Furthermore, the invention relates to a motor vehicle transmission, in particular a fully automatic multi-speed transmission, having such a shifting device. Background technique [0003] For power transmission, in vehicle engineering, besides manually shifted transmissions, automatic transmissions are also used, in particular multi-speed fully automatic transmissions with hydrodynamic torque converters and planetary transmissions. [0004] Such fully automatic multi-speed transmissions function as load-controlled transmissions with uninterrupted traction, wherein the power flow takes place via the planetary gear sets and the gear changes are effected by coupling and decoupling of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H63/30F16D23/02
CPCF16D23/02F16H63/30F16D11/14F16D13/30F16D23/04F16D25/061F16D25/0632F16D2023/0681
Inventor 安德烈亚斯·德姆普夫勒于尔根·宾德彼得·埃希特勒
Owner HOERBIGER ANTRIEBSTECHN HLDG
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