Direct exchange system design improvements
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United States of America Patent
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Oct 11, 2011
Grant Date -
May 28, 2009
app pub date -
Jul 16, 2008
filing date -
Jul 16, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
An R-410A DX heating/cooling system with: an electrical generating expansion device; with a protective means for refrigerant transport tubing containing dissimilar metals and/or in corrosive environments; with an automatic heating mode expansion device; with a TXV by-pass design; with retractable sub-surface tubing designs; with sub-surface line set sizing at varying depths and lengths; with reciprocal compressor sizing; with a DX Hydronic system design; with an improved oil separator float design; with a mobile DX system design; and with a resting module DX system design.
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