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Lubricant oil for a refrigeration machine, lubricant composition and refrigeration machine and system

  • US 7,972,529 B2
  • Filed: 06/08/2010
  • Issued: 07/05/2011
  • Est. Priority Date: 06/30/2005
  • Status: Expired due to Fees
First Claim
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1. A lubricant oil for a refrigeration machine which operates with a refrigerant consisting of at least one HC (hydrocarbon) group component, characterized in that it comprises an alkylbenzene oil containing at least 90% by weight of straight-chain alkylbenzene selected from a straight-chain alkyl group with lateral paraffinic chain of 10-13 carbon atoms with an average molecular weight of 239-244 g/Mol, and having a viscosity between about 4.0 and 5.0 cSt at a temperature of 40°

  • C.

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