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U.S. Department of Energy
Office of Scientific and Technical Information

Method and refrigerants for replacing existing refrigerants in centrifugal compressors

Patent ·
OSTI ID:5643684
This patent describes a method for replacing an existing refrigerant in a centrifugal compressor. It comprises selecting a desired impeller Mach number for the centrifugal compressor; selecting a base refrigerant constituent; combining at least one additive refrigerant constituent with the base refrigerant constituent to form a replacement refrigerant having at least one physical or chemical property different from the existing refrigerant and substantially providing the desired impeller Mach number in the centrifugal compressor; and replacing the existing refrigerant with the replacement refrigerant.
Assignee:
York International Corp., York, PA (United States)
Patent Number(s):
A; US 5076064
Application Number:
PPN: US 7-606619
OSTI ID:
5643684
Country of Publication:
United States
Language:
English