CPC F25B 5/02 (2013.01) [F25B 41/20 (2021.01)] | 17 Claims |
1. A heat pump, comprising:
a refrigerant loop comprising:
a compressor having a low-pressure inlet, a mid-pressure inlet, and an outlet;
a first vapor generator;
a second vapor generator;
a third vapor generator, wherein the first vapor generator, the second vapor generator, and the third vapor generator are each positioned downstream of the outlet of the compressor, and wherein the first vapor generator, the second vapor generator, and the third vapor generator are each positioned upstream of the mid-pressure inlet of the compressor;
a first heat exchanger positioned downstream of the first vapor generator;
a second heat exchanger positioned downstream of the second vapor generator;
a third heat exchanger positioned downstream of the third vapor generator;
a first expansion valve positioned immediately upstream of the first vapor generator;
a second expansion valve positioned immediately upstream of the second vapor generator; and
a third expansion valve positioned immediately upstream of the third vapor generator.
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