Evaporator distribution system and method
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United States of America Patent
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Feb 26, 2019
Grant Date -
Jan 7, 2016
app pub date -
Feb 10, 2014
filing date -
Feb 19, 2013
priority date (Note) -
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Abstract
A falling film evaporator (12) for a heating ventilation and cooling (HVAC) system includes a housing (52) and a plurality of evaporator tubes (26) positioned at least partially in the housing (52) through which a volume of thermal energy transfer medium is flowed. A distribution system (34) is located in the housing to distribute a flow of liquid refrigerant (20) over the plurality of evaporator tubes (26). The distribution system (34) includes a distribution vessel having a plurality of drip openings (38) to flow the liquid refrigerant onto the plurality of evaporator tubes (26), a feed pipe (42) to flow refrigerant into the distribution box (36), and one or more pressure regulators (58) in the distribution system, thereby regulating the flow of liquid refrigerant.
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