Fault rectification method for a progressive cavity pump of a conveyor device for conveying viscous building materials

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12258961
APP PUB NO 20230349378A1
SERIAL NO

18043833

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Abstract

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A fault-rectification method for an eccentric screw pump of a conveying apparatus for conveying viscous construction materials, comprising the steps of monitoring a start of a conveying operation of the eccentric screw pump by way of a characteristic-variable-monitoring program of a control device of the conveying apparatus, wherein a working-free program is executed by the control device of the eccentric screw pump if, for one or more characteristic variables. The characteristic-variable-monitoring program acquires characteristic-variable values which are stored, alone or in combination with one another, as fault values that indicate jamming of a rotor/stator unit of the eccentric screw pump, and wherein otherwise a conveying operation is begun. The eccentric screw pump is operated in the working-free program in such a way that an electric motor of a drive unit of the conveying apparatus is multiply alternately switched on and switched off.

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Patent Owner(s)

Patent OwnerAddress
WAGNER SPRAY TECH CORPORATION1770 FERNBROOK LANE NORTH PLYMOUTH MN 55447

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Göhring, Alfred Salem, DE 20 127
Nguyen, Lam Huu Woodbury, US 8 23
Schnittger, Thorsten Frickingen, DE 6 3
Spindler, Florian Ravensburg, DE 2 2

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