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Device for transferring torque from electromotor to compressor

A technology for compressors and motors, applied in transmissions, engines, hoisting devices, etc., can solve problems such as temperature, plastic fracture influence, and rated fracture function dispersion, and achieve the effects of manufacturing error compensation and reducing rotational vibration.

Inactive Publication Date: 2009-12-23
MOMENTIVE SPECIALTY CHEMICALS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this is that the rated breaking function is only achieved via the connection between the plastic and the hub and is therefore strongly temperature dependent
In addition, aging phenomena of the plastic also have an effect on the fracture at the rated breaking point, so that overall the rated breaking function is greatly dispersed

Method used

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  • Device for transferring torque from electromotor to compressor
  • Device for transferring torque from electromotor to compressor
  • Device for transferring torque from electromotor to compressor

Examples

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Embodiment Construction

[0029] figure 1 A pulley 1 is shown, which drives the shaft (compressor housing 4 , bearing 3 , steel ring 2 ) of a compressor, not shown here. Between the pulley 1 and the hub 7 is a mechanism for vibration damping and overload protection with the components synchronizer 5 and limiting ring 6 shown in the figure.

[0030] Also from figure 2 and image 3 As shown in FIG. 3 , the limiting ring 6 has lugs 6 a arranged towards the center, which engage in grooves of the axially arranged hub 7 . The length of the axially arranged outer groove in the hub 7 is designed such that the lug 6 a delimiting the ring 6 is displaceable in the axial direction of the hub 7 . The outer edge of the delimiting ring 6 is surrounded laterally by the synchronizing element 5 , which protrudes axially into the pulley 1 by means of a radially segmented profile. The pulley 1 has the same number of recesses via the ribs, as the synchronization element 5 has raised sections. Between the pulley 1 and...

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Abstract

The invention relates to a device for transmitting torque from an electric motor to a compressor, in particular a compressor for an air conditioner, having a hub (7) for connecting the compressor shaft and a compressor housing ( 4) The pulley (1) rotatably supported on the top, wherein the pulley (1) and the hub (7) are connected to each other through a mechanism for damping vibration and overload protection, wherein the overload protection is disconnected when the specified torque is exceeded Connection between pulley (1) and hub (7). In order to improve such a device, i.e. rated breaking function with minimal scattering, the invention proposes that the mechanism for overload protection consists of two components, namely a synchronizer (5) and a limiting ring (6), in which the The ring (6) is made of metal, preferably sintered metal, and has lugs (6a) pointing radially towards the midpoint, delimiting the transmission of torque to the compressor shaft by a radial form-fit connection with the hub (7), The synchronization element (5) consists of plastic surrounding the limiting ring (6) and the synchronization element (5) and the limiting ring (6) can move axially on the hub (7).

Description

technical field [0001] The invention relates to a device for transmitting torque from an electric motor to a compressor, in particular a compressor for an air conditioner, which device has a hub for connecting the compressor shaft and a rotatable on the compressor housing Supported pulley in which the pulley and the hub are interconnected by a device for vibration damping and overload protection designed to disconnect the pulley from the hub when a specified torque is exceeded. Background technique [0002] Compressors for air conditioning are usually driven by the crankshaft of the internal combustion engine via a drive belt with V-shaped grooves. When the compressor clogs, the drive belt slips off and is usually damaged. As a result, other complete plants that are also driven by belts are no longer driven. In the worst case, the steering bracket fails. [0003] In order to improve this situation, at least one torque transmission element must have a rated breakout functi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H55/36F04B49/10F16D9/08F04B35/00F16D9/00F16D9/06F16F7/12F16H7/02
CPCF16H2055/366F16D9/06Y10S474/902B02B3/00B02B7/02
Inventor P·布林克曼恩M·舍特F·巴耶
Owner MOMENTIVE SPECIALTY CHEMICALS
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