Friction transmission belt

A transmission belt, friction coefficient technology, applied in transmission belts, V-belts, belts/chains/gears, etc., can solve problems such as noise, poor wettability, and reduced transmission performance
CN1940341AActive Publication Date: 2007-04-04MITSUBOSHI BELTING LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
MITSUBOSHI BELTING LTD
Publication Date
2007-04-04

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Abstract

The present invention provides a friction transmission belt having a friction transmission surface having a rubber composition containing a plasticizer, the plasticizer forming a film on the friction transmission surface, a change in friction coefficient (mu) with respect to a change in slipping velocity (V) indicated by a difference between a pulley speed and a belt speed (dmu / dv) being 0 or a positive value in a dry state and a wet state.
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Description

technical field

[0001] The present invention relates to friction-driven power transmission belts (hereinafter referred to as friction belts) for power transmission. Background technique

[0002] Rubbers such as natural rubber, styrene-butadiene rubber, and chloroprene rubber are generally used in friction belts for power transmission of automobile engines and the like. However, with the social needs of saving energy and saving space in the background art, closely packed components tend to be used in the engine room of automobiles, and the ambient temperature in the engine room increases due to the close packing compared to conventional examples.

[0003] In such a high-temperature environment, the problem of early crack generation due to hardening of the rubber for friction conveyor belts has been pointed out. Also, since the rotation speed fluctuation of the engine increases with energy saving, the tension fluctuation of the power transmission belt also increases due to th...

Claims

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