B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 17/12 (2006.01) B01D 24/22 (2006.01) B01D 24/46 (2006.01) B01D 24/48 (2006.01) C02F 3/10 (2006.01) C02F 11/16 (2006.01) G01L 13/00 (2006.01) G01L 13/02 (2006.01) G05D 21/02 (2006.01)
Patent
CA 2309275
A differential pressure monitor (50) for measuring the pressure at a plurality of heights in a filter bed (38) is provided. A preferred embodiment of the monitor (50) includes an elongated body (70), a plurality of pressure sensors (56) located on the elongated body (70), for obtaining the pressure readings, a control means (80) for determining differential pressures from the pressure readings, each differential pressure being the difference in pressures measured at two different heights in the filter bed (38), and transmission means (62) to transmit the pressure readings from the pressure sensors (56) to the control means (80).
Cette invention se rapporte à un appareil de surveillance à pression différentielle (50) servant à mesurer la pression à plusieurs hauteurs dans un lit filtrant (38). Dans un mode de réalisation préféré, cet appareil de surveillance (50) comprend un corps allongé (70), plusieurs capteurs de pression (56) situés sur le corps allongé (70) et servant à obtenir des mesures de pression, un moyen de commande (80) servant à déterminer les pressions différentielles à partir des mesure de pression, chaque pression différentielle représentant la différence des pressions mesurées à deux hauteurs différentes dans le lit filtrant (38), ainsi qu'un moyen de transmission (62) servant à transmettre les mesures de pression des capteurs de pression (56) au moyen de commande (80).
Roberts R. Lee
Simmons John D.
R.g. Delaware Inc.
Ridout & Maybee Llp
LandOfFree
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