Sump drain system

A drain system for a sump, including an electrically powered sump pump normally operable in response to the water level in the sump to drain the sump when the level reaches a predetermined point, and a water powered pump driven by a source of water under pressure and which operates in the event of a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BUCHANAN, WILLIAM T
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BYUSING INERTIA OF FLUID TO BE PUMPED PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SIPHONS WEAPONS
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Beschreibung
Zusammenfassung:	A drain system for a sump, including an electrically powered sump pump normally operable in response to the water level in the sump to drain the sump when the level reaches a predetermined point, and a water powered pump driven by a source of water under pressure and which operates in the event of an electrical power failure or in the event of a failure of the electrically driven pump.