Multi-channel heat exchanger with improved uniformity of refrigerant fluid distribution
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United States of America Patent
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Mar 22, 2016
Grant Date -
Jan 27, 2011
app pub date -
Aug 4, 2009
filing date -
Jul 23, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A micro-channel heat exchanger includes an inlet manifold fluidly connected with an outlet manifold by a plurality of generally parallel tubes, further defining a plurality of generally parallel micro-channels therethrough. Refrigerant is introduced to the heat exchanger through a distributor tube disposed within the inlet manifold. The distributor tube includes a plurality of non-circular openings disposed along the length thereof which act as an outlet for refrigerant flow into the inlet manifold and eventually into and through the tubes and micro-channels. The openings are preferably slots arranged along the length of the distributor tube at an angle relative to the longitudinal direction of the distributor tube and oriented within the inlet manifold for a general direction of refrigerant flow at an angle relative to the general direction of refrigerant flow through the tubes. Alternative shapes for the openings are also considered.
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