Circulator pump check valve
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United States of America Patent
Stats
-
Sep 9, 1997
Grant Date -
N/A
app pub date -
Jul 31, 1995
filing date -
Jul 31, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An wet-rotor hydronic heating/cooling circulator in which a check valve is positioned at the inlet eye of the pump impeller, where it can easily be serviced by removing the circulator motor and impeller. The check valve is preferably in the form of a valve subassembly that is removably inserted into an opening at the eye.
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Family
International Classification(s)
Cited Art Landscape
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