APPARATUS TO DETECT MOVEMENT OF POSITION OF MOVABLE CLEARING SHELL INSIDE GAS PIPELINE (ITS VERSIONS)

FIELD: control means of gas pipeline transportation. SUBSTANCE: apparatus allows to produce mighty monotonous sound signal from looking for shell, that is reliably heard and identified in without additional technical means in case the pipeline is not deep laying. Another version of apparatus allows...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHAPAREV EH.V, SHAPAREV V.JA, ZHUKOV V.L, ZHURAVLEV V.I, TOLMACHEV V.E, ALEKSEEV V.A, DONCHENKO V.A
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS BLASTING HEATING LIGHTING MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR MECHANICAL ENGINEERING PHYSICS PIPE-LINE SYSTEMS PIPE-LINES STORING OF DISTRIBUTING GASES OR LIQUIDS TARIFF METERING APPARATUS TESTING WEAPONS
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