Selective pressure tap for a pressure detector

Details Selective pressure tap for a pressure detector Selective pressure tap for a pressure detector

1995-12-19

1997-02-11

Williams, Hezron E.

Measuring and testing

Fluid pressure gauge

Mounting and connection

738665, G01L 700

Patent

active

056023405

ABSTRACT:
A selective pressure tap is used for measuring, at a point of a porous sample containing at least two distinct fluids such as water and oil for example and placed in a case or sheath, the pressure exerted selectively by one of the fluids. It comprises a body provided with a central channel that is externally threaded over part of its length so as to be screwed into a hole provided through the sheath. The body of the pressure tap comprises a ferrule externally provided with 0-ring seals. The end face of the ferrule is suited for pressing closely against the wall of the sample, during the screwing operation, one or several semipermeable membranes permeable to the fluid in question. The central channel communicates with a pressure detector through a pipe.

REFERENCES:
patent: 4252126 (1981-02-01), Mand
patent: 5076108 (1991-12-01), Trimarchi
patent: 5186055 (1993-02-01), Kovacich et al.
patent: 5331845 (1994-07-01), Bals et al.
patent: 5394745 (1995-03-01), Freeman
Patent Abstracts of Japan, vol. 9, No. 101 (P-353) May 2, 1985.

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