| 摘要 |
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 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 ∂mu/∂T slope, and/or a negative ∂mu/∂P slope, during engagement of the friction torque transfer apparatus.
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