发明名称 Valve systems for purging earth coupled water source heat pumps
摘要 A manifold and valve system is disclosed for purging air from a closed brine filled loop piping used in conjunction with a water source heat pump. The valves are T-shaped with a closure member or valving member in the top portion which connects with the purge flow conduit.
申请公布号 US4911229(A) 申请公布日期 1990.03.27
申请号 US19880279303 申请日期 1988.12.01
申请人 MCELROY, ARTHUR H. 发明人 MCELROY, ARTHUR H.
分类号 F24D19/08 主分类号 F24D19/08
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