Title: Refrigeration oil containing wear-inhibiting amounts of an aryl phosphate-fatty acid combination

Abstract: Refrigeration or heat pump apparatus containing working fluid consisting essentially of refrigerant and lubricant, said refrigerant being a halo-substituted hydrocarbon of 1 to 3 carbon atoms and preferably at least 40% by weight fluorine, and said lubricant being mineral lubricating oil, poly-alpha-olefin lubricating oil, synthetic alkylbenzene lubricating oil or mixtures thereof containing the combination of higher fatty acid and arylphosphate in a minor amount, sufficient to improve the wear-inhibiting properties of said lubricant and to improve the resistance of said lubricant to decomposition.

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Inventors: Olund, Sven A. (San Rafael, CA, US)

Application Number: 951554
Filing Date: 1978-10-16
Publication_date: 1980-04-22
Assignee: Chevron Research Company (San Francisco, CA)
Primary Class(es): 252/68 508/440
Other Classes:
US Patent Ref:

2203102	Jun, 1940	Powers	252/49.
2730499	Jan, 1956	Pokorny	252/49.
2824061	Feb, 1958	Davidson et al.	252/68.
3074886	Jan, 1963	Tierney et al.	252/49.
3092981	Jun, 1963	Begeman et al.	252/68.
3129185	Apr, 1964	Rizzuti et al.	252/68.
3169928	Feb, 1965	Herold	252/68.
3375197	Mar, 1968	Spauschus et al.	252/68.
3449459	Jun, 1969	Asfazadourian	252/68.
3642634	Feb, 1972	Olund	252/68.
4046533	Sep, 1977	Olund	252/68.

Other Refs: 1413765

Aug, 1965	FR.

Primary Examiner: Pitlick, Harris A.
Assistant Examiner:
Attorney: Newell; D. A., Stoner, Jr.; John