Cavity pump

An eccentric screw pump comprising at least a stator 1, a rotor 2, a drive 3, a suction housing 4 attached to the stator, a connecting shaft 9 attached to the drive. The connecting shaft is sealed by means of a shaft seal 13, a connection housing (lantern) 14 is arranged between the suction housing...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Peter McGarian
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS
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Beschreibung
Zusammenfassung:	An eccentric screw pump comprising at least a stator 1, a rotor 2, a drive 3, a suction housing 4 attached to the stator, a connecting shaft 9 attached to the drive. The connecting shaft is sealed by means of a shaft seal 13, a connection housing (lantern) 14 is arranged between the suction housing and the drive, to which the shaft seal is attached. The connection housing is closed and liquid-tight. A barrier pressure device may be attached to the shaft seal. Preferably a pressure monitoring device 20 is arranged in or on the connection housing. The connection housing may be provided with a detachable maintenance cover 21 and /or be box or cuboid shaped and / or filled with freshwater or freshwater-glycerol mixture. The pump, may be submersible. A controller may be included and / or equipped with an automatic shut-off device connected to the monitoring device.