skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Method and apparatus for passive refrigerant retrieval and storage

Abstract

This patent describes a method of retrieving and storing refrigerant from a cooling system being serviced of the type having a compressor for circulating a compressible refrigerant in a closed, pressurized system between a condenser and an evaporator to provide a cooling effect. It comprises: connecting one end of a refrigerant collector tube contained within a housing to the cooling system at the condenser outlet; connecting the interior of the housing to the compressor inlet; operating the cooling system compressor to pressurize refrigerant in the cooling system and pump the refrigerant into the collector tube; and discharging refrigerant from the collector tube into the housing interior through a metering valve where the refrigerant pressure is reduced and evaporates and cools the refrigerant remaining in the tube and the evaporated refrigerant is drawn into the compressor inlet whereby the refrigerant becomes trapped within the housing.

Inventors:
Publication Date:
OSTI Identifier:
5656942
Patent Number(s):
US 5072594; A
Application Number:
PPN: US 7-593689
Assignee:
NOV; NOV-92-021398; EDB-92-087901
Resource Type:
Patent
Resource Relation:
Patent File Date: 5 Oct 1990
Country of Publication:
United States
Language:
English
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; CLOSED-CYCLE COOLING SYSTEMS; ENERGY CONSERVATION; REFRIGERANTS; RECOVERY; STORAGE; COMPRESSORS; PRESSURE CONTROL; PRESSURIZATION; CONTROL; COOLING SYSTEMS; FLUIDS; WORKING FLUIDS; 320305* - Energy Conservation, Consumption, & Utilization- Industrial & Agricultural Processes- Industrial Waste Management; 320106 - Energy Conservation, Consumption, & Utilization- Building Equipment- (1987-)

Citation Formats

Squire, D C. Method and apparatus for passive refrigerant retrieval and storage. United States: N. p., 1991. Web.
Squire, D C. Method and apparatus for passive refrigerant retrieval and storage. United States.
Squire, D C. 1991. "Method and apparatus for passive refrigerant retrieval and storage". United States.
@article{osti_5656942,
title = {Method and apparatus for passive refrigerant retrieval and storage},
author = {Squire, D C},
abstractNote = {This patent describes a method of retrieving and storing refrigerant from a cooling system being serviced of the type having a compressor for circulating a compressible refrigerant in a closed, pressurized system between a condenser and an evaporator to provide a cooling effect. It comprises: connecting one end of a refrigerant collector tube contained within a housing to the cooling system at the condenser outlet; connecting the interior of the housing to the compressor inlet; operating the cooling system compressor to pressurize refrigerant in the cooling system and pump the refrigerant into the collector tube; and discharging refrigerant from the collector tube into the housing interior through a metering valve where the refrigerant pressure is reduced and evaporates and cools the refrigerant remaining in the tube and the evaporated refrigerant is drawn into the compressor inlet whereby the refrigerant becomes trapped within the housing.},
doi = {},
url = {https://www.osti.gov/biblio/5656942}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Dec 17 00:00:00 EST 1991},
month = {Tue Dec 17 00:00:00 EST 1991}
}