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Link arrangement

A connecting rod device and shaft rod technology, applied in the direction of transmission device, electromechanical device, control device, etc., can solve the problems of reducing the service life of the belt part, and achieve the effects of prolonging service life, reducing risks and long service life

Inactive Publication Date: 2014-08-06
SCANIA CV AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However this results in rotations about the Y and Z axes which drastically reduce the life of the belt

Method used

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Embodiment Construction

[0038] The detailed description refers to the embodiments illustrated in the drawings, wherein the same reference numbers are used for the same or similar objects.

[0039] Set forth below is a list of movements and rotations in different directions and how they affect orientation and belt tension.

[0040] Various directions are indicated in the figures by means of arrows and symbols.

[0041] 1. Movement in the X direction. The influence on orientation increases as the distance between the pulleys decreases. Has little effect on belt tension.

[0042] 2. Movement in the Y direction. Great influence on belt tension. Has no effect on orientation. Prevented by a rod, as mentioned above.

[0043] 3. Movement in the Z direction. Little effect, especially at large distances between individual pulleys. Can cause skidding without affecting orientation.

[0044] 4. Rotation around the X axis. Has little effect on belt tension. Can cause skidding without affecting orientati...

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PUM

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Abstract

A link arrangement (2) in the context of an engine (4) with a first shaft (6) provided with a first pulley (8), and an auxiliary system (10) with a second shaft (12) provided with a second pulley (14). A driving belt (16) is fitted on said first and second pulleys (8, 14) and adapted to transmitting rotary motion from the first shaft (6) to the second shaft (12), and relative movements between said first and second shafts (6, 12) exhibit six degrees of freedom which are defined in terms of a direction X (X axis) defined by the longitudinal direction of the first shaft (6), a direction Y (Y axis) defined by a line which crosses said first and second shafts at right angles and is perpendicular relative to direction X, a direction Z (Z axis) which is perpendicular relative to said directions X and Y, and rotations about the respective X, Y, and Z axes. The link arrangement (2) is adapted to being fastened to the engine (4) and to the auxiliary system (10) and to preventing relative movements between said first and second shafts (6, 12) in at least two degrees of freedom, especially in direction X and direction Y.

Description

technical field [0001] The invention relates to a linkage arrangement according to the preambles of the independent claims. [0002] More specifically, the present invention relates to a linkage arrangement, eg for use in a vehicle such as a bus, truck or some other vehicle, or in a boat, suitable for transferring motion, such as vibratory or intermittent motion, from an internal combustion engine to auxiliary systems such as compressors. Background technique [0003] Internal combustion engines are sometimes adapted to transfer rotational motion via an output shaft from the engine's crankshaft to auxiliary systems via a belt which transfers rotation to pulleys or shafts of the auxiliary systems. [0004] Buses are generally equipped with a compressor for air conditioning, a so-called A / C compressor. The need for high load A / C compressors is greater in buses than in trucks. An A / C compressor suitable for a bus is therefore physically significantly larger than an A / C compr...

Claims

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Application Information

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IPC IPC(8): F16H37/12
CPCB60K25/02B60K2025/022H02K5/26H02K7/1815F02B67/06F16H7/02F16H2007/0842
Inventor T·库普斯
Owner SCANIA CV AB