Continuously variable transmission fluid with extended anti-shudder durability

Continuously variable transmission fluid with extended anti-shudder durability

  • CN 103,403,136 A
  • Filed: 01/03/2012
  • Published: 11/20/2013
  • Est. Priority Date: 01/04/2011
  • Status: Active Application
First Claim
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1. lubricant compositions, it comprises:

  • (a) have the oil of lubricant viscosity,(b) at least two kinds of nitrogenous material, it comprises as lower at least a separately;

    (i) at least a acid amides that is expressed from the next;

    R 3C(O)NR 1R 2R wherein 1And R 2Be the alkyl with at least 6 carbon atoms independently of one another, and R 3For hydroxyalkyl with 1-6 carbon atom or the group that forms through its hydroxyl and acylating agent condensation by described hydroxyalkyl, and (ii) at least a tertiary amine that is expressed from the next;

    R 4R 5NR 6R wherein 4And R 5Be the alkyl with at least 6 carbon atoms independently of one another, and R 6For containing polyhydric alkyl or containing polyhydric alkoxyalkyl;

    (c) functionalized dispersion agent component, it comprises one or more dispersion agents of processing with following component;

    (i) 2,2 of 5-dimercapto-1,3,4-thiadiazole or derivatives thereof such as alkyl replacement, the 5-dimercapto-1,3,4-thiadiazole, and(ii) boration agent, and randomly(iii) inorganic phosphorous compound, and randomly(iv) aromatics 1,3-dicarboxylic acid or Isosorbide-5-Nitrae-dicarboxylic acid or its reactive equivalent;

    With(d) at least about at least a alkyl phosphorous acid ester such as the dialkyl phosphite of 0.2 % by weight.

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