FR822139A - Appareil différentiel pour la mesure de la différence de deux niveaux ou pour la mesure du débit d'un liquide sous faible pression
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Appareil différentiel pour la mesure de la différence de deux niveaux ou pour la mesure du débit d'un liquide sous faible pression
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Compteurs Schlumberger SA
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Compteurs Schlumberger SA
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G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
G01F1/37—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of communicating tubes or reservoirs with movable fluid levels, e.g. by U-tubes
G01F1/375—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of communicating tubes or reservoirs with movable fluid levels, e.g. by U-tubes with mechanical or fluidic indication
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Fluid Mechanics
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General Physics & Mathematics
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FR822139D1937-05-221937-05-22Appareil différentiel pour la mesure de la différence de deux niveaux ou pour la mesure du débit d'un liquide sous faible pression
ExpiredFR822139A
(fr)
Perfectionnements apportés aux appareils pour mesurer les variations de la pressiond'un fluide dans une canalisation, notamment de la pression artérielle
Appareil automatique pour introduction à dosage constant et réglable d'un liquide déterminé dans une conduite parcourue par un autre liquide sous pression