Apparatus and method for protecting devices, especially fibre optic devices, in hostile environments

Apparatus for communicating pressure comprising a first port, a second port and a liquid metal, in which the liquid metal provides an interface between the first port and the second port. Apparatus for measuring pressure comprising a first port, a liquid metal and a pressure sensor in which the liqu...

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Bibliographische Detailangaben
Hauptverfasser:	CRAWLEY, C. M, CLOWES, J. R, RUTT, H. N, VARNHAM, M. P, KLUTH, E. L. E
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS TARIFF METERING APPARATUS TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	Apparatus for communicating pressure comprising a first port, a second port and a liquid metal, in which the liquid metal provides an interface between the first port and the second port. Apparatus for measuring pressure comprising a first port, a liquid metal and a pressure sensor in which the liquid metal transfers pressure from the first port to the pressure sensor. Apparatus for measuring pressure at a measurement location comprising a first chamber, a pressure sensor, a capillary and a liquid metal, in which the pressure sensor is contained in the first chamber, which is connected to the location where pressure is to be measured by the capillary and the liquid metal.