Fluid sampling device comprising a thermal control valve

Details Fluid sampling device comprising a thermal control valve Fluid sampling device comprising a thermal control valve

1998-06-15

1999-12-07

Le, Long V.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422103, 436174, 436180, 7386312, G01N 110

Patent

active

059978198

ABSTRACT:
Fluid sampling device comprising a sampling cell provided with a thermal control valve consisting of a plug made from a solid low-melting temperature alloy that is made permeable to the fluid by heating the metal alloy to its melting temperature. The device mainly comprises an intermediate cell with a central channel provided with a plug made from a low-melting temperature alloy which fits into the inlet hole of the sampling cell. A connecting device for connecting the two cells together and an element which connects the intermediate cell via a fine linking tube to a reactor producing the fluid to be sampled.

REFERENCES:
patent: 3429186 (1969-02-01), Price et al.
patent: 4259867 (1981-04-01), Fondos et al.
patent: 4367645 (1983-01-01), Froment
patent: 4576918 (1986-03-01), Yeung
patent: 4779466 (1988-10-01), Ramsner et al.
patent: 5855852 (1999-01-01), Bienhaus et al.
patent: 5879635 (1999-03-01), Nason

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