Expansion devices for a multizone heat pump system
Patent
·
OSTI ID:7242228
This patent describes an improved heat pump system of the type having a single outdoor coil and multiple indoor coils comprising: individual refrigerant flow lines fluidly connected at their one ends to respective individual indoor coils and at their other ends to a common refrigerant flow line fluidly connected to the outdoor coil; and a refrigerant expansion device in each of the individual refrigerant flow lines. Each of the expansion devices is operable when the system operates in the heating mode to receive liquid refrigerant from its respective outdoor coil and cause at least a portion of the refrigerant to expand to a vaporous condition.
- Assignee:
- Carrier Corp., Syracuse, NY
- Patent Number(s):
- US 4620423
- OSTI ID:
- 7242228
- Country of Publication:
- United States
- Language:
- English
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