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Pulley decoupler, and auxiliary equipment driver and drive motor with corresponding pulley decoupler

An auxiliary equipment, belt pulley technology, applied in the direction of machines/engines, components with teeth, mechanical equipment, etc., can solve problems such as belt pulley decoupler failure, sliding bearing axial movement, etc.

Pending Publication Date: 2019-10-22
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the tilted position of the pulley decoupler, e.g. due to tolerances or tilted belt tensions, axial displacements of the plain bearings can occur, which can lead to failure of the pulley decoupler

Method used

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  • Pulley decoupler, and auxiliary equipment driver and drive motor with corresponding pulley decoupler

Examples

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Embodiment Construction

[0027] figure 1 A pulley decoupler 1 is shown in longitudinal section, which is part of a only schematically shown auxiliary drive 14 of a drive motor 16 of a motor vehicle, not shown here. The pulley decoupler 1 has an input part 2 with a hub 3 and a spring flange 18 . The hub 3 and the spring flange 18 are designed to be rotationally fixed to one another, the hub 3 being connected to a shaft 17 of a drive motor 16 by which the hub 3 and the spring flange 18 can rotate about a common axis of rotation 6 . The pulley decoupler 1 also has an output part 4 with a pulley 5 . A traction means working surface 21 for the traction means 15 of the auxiliary drive 14 is formed on the outer face 20 of the belt pulley 5 . A spring arrangement 7 is arranged between the input part 2 and the output part 4 , which has a plurality of energy stores 22 arranged distributed in the circumferential direction, wherein the energy stores 22 are designed here in the manner of arc springs. . The ene...

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Abstract

A pulley decoupler (1) for an auxiliary equipment driver (14), comprises at least: an input part (2) comprising a hub (3); an output part (4) comprising a pulley (5), the output part (4) and the inputpart (2) being rotatable about a common axis of rotation (6); a spring means (7) through which the output part (4) and the input part (2) are limited rotatable relative to each other about the commonaxis of rotation (6); and a sliding bearing (8) with an integrated axial friction ring (9), the sliding bearing (8) supporting the pulley (5) in an axial direction (10) and in a radial direction (11)so that the pulley (5) is limited rotatably supported relative to the hub (3). In addition, an accessory equipment driver (14) and a drive motor (16) with corresponding pulley decouplers (1) are provided.

Description

technical field [0001] The invention relates to a belt pulley decoupler for an auxiliary drive, in particular a drive engine of a motor vehicle. In particular, the traction means of the auxiliary drive can be driven by means of the pulley decoupler. The invention also relates to an auxiliary equipment drive and a drive motor with a corresponding pulley decoupler. Background technique [0002] Belt pulley decouplers of this type usually have a spring arrangement with at least one spring energy store, which serves to damp torsional vibrations and is arranged between the input part and the output part of the belt pulley decoupler. . The input part usually includes a hub, which can be coupled in a rotationally fixed manner to the shaft of the drive motor for the introduction of torque. Torque can be transmitted to the output part via the damper. The output part usually comprises a belt pulley with a running surface of the traction means, wherein torque can be transmitted via...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H55/36
CPCF16H55/36F02B67/06
Inventor P·拉施J·吉斯勒C·布鲁德
Owner SCHAEFFLER TECH AG & CO KG
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