A system for detecting a flow restriction in a drainage pipe and a liquid level sensor module for sensing the liquid level in a pipe

A system for detecting a flow restriction in a pipe comprises two pipe level sensors 10 one each side of an inlet 7 along the pipe, fig. 1. A controller compares the pipe levels and indicates a restriction between the level sensors if the level signals differ too much. A pipe liquid level sensor mod...

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Bibliographische Detailangaben
Hauptverfasser:	Andrew Green, William Eric Shepherd, Thomas Pullen-Wright
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL MECHANICAL ENGINEERING METERING BY VOLUME PHYSICS PIPE-LINE SYSTEMS PIPE-LINES PIPES STORING OF DISTRIBUTING GASES OR LIQUIDS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TARIFF METERING APPARATUS TESTING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A system for detecting a flow restriction in a pipe comprises two pipe level sensors 10 one each side of an inlet 7 along the pipe, fig. 1. A controller compares the pipe levels and indicates a restriction between the level sensors if the level signals differ too much. A pipe liquid level sensor module 8, fig. 2 comprises a circular body 17 releasably retained by a collar 11 and sealed in a port 14. The body 17 supports a liquid level sensor 10 to sense the liquid level in the pipe. The module may be in a T shape housing 6. A condensate drain pump system fig. 7 comprises a pipe manifold with an inlet duct 31 at the top connected to a condensate outlet O and leading to a transverse outlet duct 32 with a liquid level sensor 10 at one end and a pump P at the opposite end to pump out liquid when the sensed level is too high.