Cost-optimized traction mechanism

A technology of traction mechanism and traction device, which is applied in the direction of mechanical equipment, components with teeth, hoisting device, etc., can solve the problems of unfavorable service life of traction mechanism, unfavorable service life of traction device, increased loss of traction device, etc., and achieve reduction Danger of skipping teeth, cost optimization, effect of space reduction

Inactive Publication Date: 2007-05-16
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Considering the inconsistency of rotation of the internal combustion engine, torque fluctuations associated with changes in angular velocity or changes in rotational speed are introduced to the traction mechanism and lead to increased losses, especially of the traction dev

Method used

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  • Cost-optimized traction mechanism
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Embodiment Construction

[0034] FIG. 1 shows a traction mechanism 1 of an internal combustion engine without further details thereof. The driven element 2 is provided by a toothed pulley 3 which is fixedly connected in rotation to the crankshaft of the internal combustion engine, not shown in FIG. 1 . The traction mechanism 1 serves to drive a crankshaft, a drive element 4 , which is equipped with a toothed pulley 5 . The configured traction means 6 are designed as toothed belts and endless belts at least partially surrounding the toothed pulleys 3 , 5 . Furthermore, the traction mechanism 1 is used to drive another active element 7, such as a water pump. The traction device 6 is guided against the toothed pulley 8 of the active element 7 . Also, on the idle side of the clockwise rotating traction mechanism 1 , adjacent to the toothed pulley 5 , the traction mechanism 1 is configured such that the tension adjuster 9 and the tension roller 10 acted by spring force are supported by the outside of the ...

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Abstract

The present invention relates to a traction mechanism (1), comprising a driven member (2) and at least one driving member (4) which are connected via a traction device (6) designed as a toothed belt. To achieve a vibration-damped traction mechanism (1), the driven member (2) designed as a toothed belt pulley (3) has a nonround configuration.

Description

technical field [0001] The invention relates to a traction mechanism which is used as an assembly or control drive for an internal combustion engine. The traction mechanism includes a driven element and at least one driving element, and the driven element and at least one driving element are connected by a traction device, especially an endless belt. A tension adjuster applies stress to the endless belt of the traction mechanism. Background technique [0002] Internal combustion engines usually have two separate traction units, one of which is a control drive, via which the crankshaft of the internal combustion engine drives a camshaft, via which the gas exchange valves of the internal combustion engine are opened. Another traction mechanism, designed as an assembly drive of the internal combustion engine, is used to drive auxiliary devices such as water pumps, air conditioning compressors and alternators. [0003] Considering the rotational inconsistency of the internal c...

Claims

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Application Information

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IPC IPC(8): F16H7/02F16H55/17
CPCF16H7/023F16H7/0831F16H7/1281F16H2035/003F16H2007/081
Inventor 赖纳·普夫卢格
Owner SCHAEFFLER TECH AG & CO KG
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