Heat pump with ejector
A system (20; 300; 500) comprises: a compressor (22) having a suction port (40) and a discharge port (42); an ejector (32) having a motive flow inlet (50), a suction flow inlet (52), and an outlet (54); a separator (34) having an inlet (72), a vapor outlet (74), and a liquid outlet (76); a first heat exchanger (24); at least one expansion device (28, 30; 520); a second heat exchanger (26); and a plurality of conduits and a plurality of valves (100, 120, 130, 140, 144, 148, 150; 100, 140, 144, 148, 150, 320, 340; 100, 120, 530). The conduits and valves are positioned to provide alternative operation in: a cooling mode; a first heating mode wherein the ejector has a motive flow and a suction flow and where utilizing a first expansion device (30; 520) of the at least one expansion device; and a second heating mode utilizing the first expansion device and wherein the ejector has a suction flow and essentially no motive flow.
- Research Organization:
- Carrier Corp., Palm Beach Gardens, FL (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- EE0006108
- Assignee:
- Carrier Corporation (Palm Beach Gardens, FL)
- Patent Number(s):
- 10,401,058
- OSTI ID:
- 1576395
- Resource Relation:
- Patent File Date: 2015 May 14
- Country of Publication:
- United States
- Language:
- English
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