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Control for a variable tensioning device for a ribbedv-belt of a motor vehicle drive

A technology of tensioning devices and triangular ribs, which is applied in transmission devices, belts/chains/gears, machines/engines, etc., can solve the problems of shortened service life and increased fuel consumption, and achieve the effect of high belt tension

Inactive Publication Date: 2012-04-04
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This, in addition to increased fuel consumption, also leads to a shortened service life of the ribbed V-belt or the pulleys and the associated bearings of auxiliary equipment actively connected to the ribbed V-belt

Method used

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  • Control for a variable tensioning device for a ribbedv-belt of a motor vehicle drive
  • Control for a variable tensioning device for a ribbedv-belt of a motor vehicle drive
  • Control for a variable tensioning device for a ribbedv-belt of a motor vehicle drive

Examples

Experimental program
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Embodiment Construction

[0039] figure 2 Schematic representation of a car 1 in the form of a passenger car (PKW), which has a figure 1 The internal combustion engine 10 is shown in detail in FIG.

[0040] figure 1 A schematic diagram of a V-belt drive of an internal combustion engine 10 is shown schematically, the crankshaft of which is provided with a belt pulley 18 on the output side. exist figure 1 In the vehicle engine unit 10 shown, there are other auxiliary or additional devices not shown in detail here. The belt pulley 16 is assigned, for example, to the generator, and the belt pulley 14 is assigned to the coolant pump.

[0041] exist figure 1 All the pulleys 14, 16, 18 shown in , are engaged with each other by means of a closed loop V-rib belt 12. While the engine is running and thus the pulley 18 is rotating, auxiliary or additional equipment, such as a generator or a coolant pump, is driven continuously, or, for example, an air conditioning compressor is driven temporarily.

[0042]...

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PUM

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Abstract

A tensioning device is provided for a ribbed V-belt (12) of a motor vehicle with at least one tensioning pulley (20) that is directly and functionally connected to the ribbed V-belt (12) and with a controller (30) designed for varying the position and / or configuration of the tensioning pulley (20) in dependence on the instantaneous operating state of at least one belt pulley (14, 16, 18) on a driven side and / or a driving side that is connected to the ribbed V-belt (12) in order to operationally adapt the tension of the ribbed V-belt (12).

Description

technical field [0001] The invention relates to a tensioning device for a triangular rib belt of an automobile engine, a corresponding tensioning method for a triangular rib belt and a computer program product. Background technique [0002] V-rib belts, also known as multi-V belts, can see a large number of applications in realizing belt drives in automobiles, especially for driving auxiliary or additional equipment. Auxiliary or additional equipment such as coolant pumps, air conditioning compressors, generators, servo pumps etc. can be driven by means of such a belt drive either from the main unit or from the crankshaft of the engine on the driven side by means of such a belt drive. [0003] V-belts, ribbed V-belts or multi-V belts are often tensioned statically, or can have automatic tensioning systems, especially to keep the belt tension as constant as possible. [0004] In conventional belt drives, the belt tension is designed such that, for all conceivable operating c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H7/08F02B67/06
CPCF16H2007/0885F16H2007/0823F16H2007/0802F02B67/06F16H7/1263
Inventor T.米勒
Owner GM GLOBAL TECH OPERATIONS LLC
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