Methods for improved power transmission performance and lubricating compositions therefor
申请人:Afton Chemical Corporation
公开号:EP1739158A2
公开(公告)日:2007-01-03
Advanced methods are provided for achieving improved power transmission performance, and unique fluid compositions useful for practicing such methods are also presented. In particular a method and related composition is provided for reducing NVH in a power transmission apparatus having a friction torque transfer apparatus, such as, e.g., a shifting clutch, comprising maintaining a negative ∂µ/∂T slope, and/or a negative ∂µ/∂P slope, during engagement of the friction torque transfer apparatus. The composition comprises a minor amount of an additive composition including alkoxylated amine, dihydrocarbyl phosphite, metallic detergent and phosphorylated succinimide.
本文提供了用于提高动力传动性能的先进方法,还介绍了用于实施此类方法的独特流体组合物。特别是提供了一种方法和相关组合物,用于降低具有摩擦扭矩传递装置(例如换档离合器)的动力传动装置中的 NVH,包括在摩擦扭矩传递装置接合期间保持负 ∂µ/∂T 斜率和/或负 ∂µ/∂P 斜率。该组合物包含少量添加剂组合物,包括烷氧基化胺、亚磷酸二氢羰基酯、金属洗涤剂和磷酸化琥珀酰亚胺。