Advanced Direct Exchange Geothermal Heating/Cooling System Design
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United States of America Patent
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Issued Date -
N/A
app pub date -
Jul 3, 2007
filing date -
Jul 7, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A direct expansion/direct exchange ('DX') geothermal heating/cooling system having a plurality of pin restrictors positioned in housing units at ground accessible locations. The pin restrictors are preferably located near the compressor unit and on the field side of the distributor. Refrigerant is substantially equally distributed by a distributor to substantially equally sized line sets in the DX system with multiple wells. The distributors are place in either horizontal or vertical inclinations with the pin restrictors situated on the field side of the distributor in each individual liquid refrigerant transport line. A cut-off ball valve is located within the liquid refrigerant transport line on each side of the respective pin restrictor housing units. A filter/dryer is place within the same liquid refrigerant transport line segment as the pin restrictor(s) with a refrigerant flow shut-off valve being situated on each side of the liquid line segment containing the filter/dryer and the distributor.
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