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Title: Portable refrigerant charge meter and method for determining the actual refrigerant charge in HVAC systems

Abstract

A refrigerant charge meter and a method for determining the actual refrigerant charge in HVAC systems are described. The meter includes means for determining an optimum refrigerant charge from system subcooling and system component parameters. The meter also includes means for determining the ratio of the actual refrigerant charge to the optimum refrigerant charge. Finally, the meter includes means for determining the actual refrigerant charge from the optimum refrigerant charge and the ratio of the actual refrigerant charge to the optimum refrigerant charge.

Inventors:
; ;
Issue Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1374547
Patent Number(s):
9726410
Application Number:
14/828,595
Assignee:
UT-Battelle, LLC
Patent Classifications (CPCs):
F - MECHANICAL ENGINEERING F25 - REFRIGERATION OR COOLING F25B - REFRIGERATION MACHINES, PLANTS OR SYSTEMS
G - PHYSICS G01 - MEASURING G01F - MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL
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DOE Contract Number:  
AC05-00OR22725
Resource Type:
Patent
Resource Relation:
Patent File Date: 2015 Aug 18
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Citation Formats

Gao, Zhiming, Abdelaziz, Omar, and LaClair, Tim L. Portable refrigerant charge meter and method for determining the actual refrigerant charge in HVAC systems. United States: N. p., 2017. Web.
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Gao, Zhiming, Abdelaziz, Omar, & LaClair, Tim L. Portable refrigerant charge meter and method for determining the actual refrigerant charge in HVAC systems. United States.
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Gao, Zhiming, Abdelaziz, Omar, and LaClair, Tim L. Tue . "Portable refrigerant charge meter and method for determining the actual refrigerant charge in HVAC systems". United States. https://www.osti.gov/servlets/purl/1374547.
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@article{osti_1374547,
title = {Portable refrigerant charge meter and method for determining the actual refrigerant charge in HVAC systems},
author = {Gao, Zhiming and Abdelaziz, Omar and LaClair, Tim L.},
abstractNote = {A refrigerant charge meter and a method for determining the actual refrigerant charge in HVAC systems are described. The meter includes means for determining an optimum refrigerant charge from system subcooling and system component parameters. The meter also includes means for determining the ratio of the actual refrigerant charge to the optimum refrigerant charge. Finally, the meter includes means for determining the actual refrigerant charge from the optimum refrigerant charge and the ratio of the actual refrigerant charge to the optimum refrigerant charge.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2017},
month = {8}
}
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