G - Physics – 01 – L
Patent
G - Physics
01
L
G01L 19/06 (2006.01) G01L 7/08 (2006.01) G01L 19/00 (2006.01) G01L 19/08 (2006.01) G01L 19/10 (2006.01)
Patent
CA 2169824
A transmitter provides an output indicative of pressure of process fluid. The transmitter has a first body with a passageway filed with isolation fluid extending from a first port to a pressure sensor. A second body has an inlet for receiving process fluid and a second port. An isolation diaphragm isolates process fluid from isolation fluid. A seal adjacent the diaphragm seals the diaphragm and couples the diaphragm to the second body. A spring urges the seal against the diaphragm.
Un convertisseur (10) génère un signal de sortie indicateur de la pression du fluide de traitement. Le convertisseur (10) possède un premier corps (14) pourvu d'un passage (32) rempli de fluide d'isolation, s'étendant d'un premier orifice à un capteur de pression (16). Un second corps (13) possède une admission prévue pour recevoir le fluide de traitement (28) et un second orifice. Une membrane d'isolation (46) située entre les premier et second orifices sépare le fluide de traitement du fluide d'isolation. Un joint d'étanchéité (48) adjacent à la membrane (46) assure l'étanchéité de la membrane (46) et la relie au second corps (13). Un ressort (66, 68) pousse le joint d'étanchéité (48) contre la membrane (46).
Frick Roger L.
Snyder Robert K.
Marks & Clerk
Rosemount Inc.
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