LUBRICANT MANAGEMENT FOR AN HVACR SYSTEM

Systems and methods for lubricant management of a compressor in an HVACR system are disclosed. A heat transfer circuit can utilize a working fluid to provide heating or cooling includes a compressor for compressing the working fluid and a heat source configured to increase a suction temperature of t...

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Bibliographische Detailangaben
Hauptverfasser: DREHER, Daniel R, HUGHES, Kevin P. Hughes, NOVAK, Keith A, DINGEL, Benjamin Elias, SCALA, Alberto, HEIDEN, Richard M, KEYS, Daryl, HARTFIELD, Jon P, HAGEN, Timothy S
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:Systems and methods for lubricant management of a compressor in an HVACR system are disclosed. A heat transfer circuit can utilize a working fluid to provide heating or cooling includes a compressor for compressing the working fluid and a heat source configured to increase a suction temperature of the working fluid entering the compressor. One or more lubricant rheological properties in a compressor system based on measurements taken at or near a bearing cavity of the compressor are determinable. A lubricant reservoir can be in thermal communication with a discharge flow path of the compressor. An internal heat exchanger can be disposed within a compressor for improving viscosity of the lubricant to be cycled back into the compressor. A heater can be located on a fluid line between a lubricant separator and a lubricant inlet. Condenser fans can be controlled.