Closed loop direct expansion heating and cooling system with auxiliary refrigerant pump
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United States of America Patent
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Aug 23, 2005
Issued Date -
N/A
app pub date -
Feb 11, 2002
filing date -
Feb 11, 2002
priority date (Note) -
Expired
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Abstract
A direct expansion refrigerant-based heating and cooling system which includes a refrigerant pumping devise calibrated to ease or eliminate the pumping requirements placed upon the system's compressor unit when one or both of significant system height differentials between the compressor unit and the condensing unit are present and significant system refrigerant fluid transport line distances are present, or are desirable, such as in a deep well direct expansion system application.
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