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Title: Operation of a cascade air conditioning system with two-phase loop

A method of operating a heat transfer system includes starting operation of a first heat transfer fluid vapor/compression circulation loop including a fluid pumping mechanism, a heat exchanger for rejecting thermal energy from a first heat transfer fluid, and a heat absorption side of an internal heat exchanger. A first conduit in a closed fluid circulation loop circulates the first heat transfer fluid therethrough. Operation of a second two-phase heat transfer fluid circulation loop is started after starting operation of the first heat transfer fluid circulation loop. The second heat transfer fluid circulation loop transfers heat to the first heat transfer fluid circulation loop through the internal heat exchanger and includes a heat rejection side of the internal heat exchanger, a liquid pump, and a heat exchanger evaporator. A second conduit in a closed fluid circulation loop circulates a second heat transfer fluid therethrough.
Inventors:
; ; ; ;
Issue Date:
OSTI Identifier:
1453793
Assignee:
Carrier Corporation (Farmington, CT) DOEEE
Patent Number(s):
9,982,920
Application Number:
15/029,824
Contract Number:
EE0003955
Resource Relation:
Patent File Date: 2014 Aug 14
Research Org:
Carrier Corporation, Farmington, CT (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

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