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Lubricant Screening for HFC-134a Car Air Conditioning Compressor Reliability
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English
Abstract
Certain important factors must be considered when the current refrigerant for automotive air conditioning systems, (A/C), is changed from CFC12 to the ozone safe HFC134a. This paper will focus on lubricant compatibility by presenting a screening process which will cover:
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a screening table of essential physical properties
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general information on types of available lubricants
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tests of chemical stability
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lubricity
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compatibility with elastomers
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methods for testing compressor durability
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service engineering
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Citation
Azami, K., Hosoi, H., and Ishikawa, N., "Lubricant Screening for HFC-134a Car Air Conditioning Compressor Reliability," SAE Technical Paper 901735, 1990, https://doi.org/10.4271/901735.Also In
References
- Thomas R. H. P. Pham H. T. “Evaluation of Environmentally Acceptable Refrigerant/Lubricant Mixtures for Refrigeration and Air Conditioning,” 1989 SAE Passenger Car Meeting Paper 891967 Sept. 1989
- Kaimai T. “Refrigerating Oils for Alternative Refrigerants,” 1990 Purdue Refrigeration and CFC Conference Paper July 1990
- Honma Y.. “Friction and Wear Characteristics in Refrigerant Atmosphere,” Japan Lubrication Society 34th National Convention Paper D.9 1989