Chiller compressor oil conditioning
AssigneeCarrier Corporation
InventorsScott M. MacBain, David M. Rockwell, Ulf J. Jonsson
Life of this patent
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Abstract
In one aspect, a refrigeration system is provided. The refrigeration system includes a compressor coupled to a variable frequency drive (VFD), a condenser, an evaporator, an oil separator, and an oil conditioning circuit. The oil conditioning circuit is thermally coupled to the VFD and configured to heat oil from the oil separator with heat produced by the VFD.
Claims13
A refrigeration system comprising:
- a compressor coupled to a variable frequency drive (VFD);
- a condenser;
- an evaporator;
- an oil separator;
- and
- an oil conditioning circuit thermally coupled to the VFD and configured to heat oil from the oil separator with heat produced by the VFD.
A method of conditioning oil in a refrigeration system comprising a compressor coupled to a variable frequency device (VFD), a condenser, an evaporator, an oil separator, and an oil conditioning circuit the method comprising:
- providing oil to the oil separator from the compressor;
- thermally coupling the oil conditioning circuit and the VFD;
- supplying the oil to the oil conditioning circuit;
- and
- heating the oil in the oil conditioning circuit with heat produced by the VFD.
Dependencies are inferred from the claim text.