Expansion devices for a multizone heat pump system

Details Expansion devices for a multizone heat pump system Expansion devices for a multizone heat pump system

1985-09-25

1986-11-04

Capossela, Ronald C.

Refrigeration

Processes

Assembling, charging, or repairing of refrigeration producer

62160, 62298, 623246, 62525, F25B 4500

Patent

active

046204237

ABSTRACT:
In a multizone heat pump system, individual expansion devices are provided in each of the individual refrigerant flow lines coming from the fan coils such that during the heat cycle, expansion of the refrigerant occurs in the individual expansion devices placed in the individual refrigerant flow lines rather than in a common line leading to the outdoor coil, thus preventing backup of refrigerant in any lower elevational coil(s). The expansion devices are individually sized in proportion to the relative sizes of the associated fan coils to prevent refrigerant backup in any larger fan coil(s).

REFERENCES:
patent: 4487031 (1984-12-01), Rogers et al.

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