BI-FLOW FILTER DRIER
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United States of America Patent
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N/A
Issued Date -
Aug 30, 2012
app pub date -
Feb 27, 2012
filing date -
Feb 28, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed herein is a bi-flow filter drier including a cartridge and a filter core located inside the cartridge. A filter sheet is provided at each of two ends of the filter core. The bi-flow filter drier further includes at least one intermediate filter sheet positioned between the cartridge and the filter core. In the bi-flow filter drier of the application, the refrigerant flows into the filter core after being filtered by the intermediate filter sheet, and flows through the center hole of the filter core towards the filter sheet at one end of the filter core, and then flows out of the filter drier after being re-filtered. This bi-flow filter drier allows the refrigerant to pass through the filter sheets twice, and the filtration capacity and the filtration precision are improved. The intermediate filter sheet may protect the filter core to prolong the service life thereof.
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