Ejector using swirl flow
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United States of America Patent
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Feb 26, 2019
Grant Date -
Apr 13, 2017
app pub date -
Mar 24, 2016
filing date -
Oct 12, 2015
priority date (Note) -
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Abstract
An ejector for a vapor compression system using a swirl flow includes an ejector body comprising a main inlet into which a main flow in high pressure flows, a nozzle section in fluid communication with the main inlet, a mixing portion in fluid communication with the nozzle section, a diffuser in fluid communication with the mixing portion, and a discharge portion in fluid communication with the diffuser. A suction pipe is inserted in a center of the ejector body and includes a through-hole into which a suction flow in low pressure flows and a leading end portion of an outer surface of the pipe forms a plurality of inclined passages with the nozzle section of the ejector body. These passages allow the main flow to be moved to the mixing portion so as to form a swirl flow between the main flow and suction flow when mixed in the ejector.
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