WO1998015811B1 - Densimetre - Google Patents

Densimetre

Info

Publication number
WO1998015811B1
WO1998015811B1 PCT/US1997/018062 US9718062W WO9815811B1 WO 1998015811 B1 WO1998015811 B1 WO 1998015811B1 US 9718062 W US9718062 W US 9718062W WO 9815811 B1 WO9815811 B1 WO 9815811B1
Authority
WO
WIPO (PCT)
Prior art keywords
plenum
volume
sample
bore
gas
Prior art date
Application number
PCT/US1997/018062
Other languages
English (en)
Other versions
WO1998015811A1 (fr
Filing date
Publication date
Priority claimed from US08/726,942 external-priority patent/US5900534A/en
Application filed filed Critical
Priority to AU48099/97A priority Critical patent/AU725475B2/en
Priority to NZ335089A priority patent/NZ335089A/xx
Priority to EP97910821A priority patent/EP0929801A4/fr
Priority to CA002267886A priority patent/CA2267886A1/fr
Publication of WO1998015811A1 publication Critical patent/WO1998015811A1/fr
Publication of WO1998015811B1 publication Critical patent/WO1998015811B1/fr

Links

Abstract

Densimètre (10) comprenant un caisson (40) contenant un échantillon de gaz et relié à un conduit d'alimentation en gaz (26) par l'intermédiaire d'une canalisation d'entrée (42) étranglée afin de limiter l'écoulement, de manière à partiellement isoler le caisson (40) et à l'amortir contre des chocs, du bruit, des turbulences ou des variations brutales de pression d'alimentation en gaz. Une pale (110) en porte-à-faux est placée dans le caisson (40) afin de déterminer la densité du gaz selon le principe que la fréquence résonante de la pale (110) est fonction de la densité du gaz dans le caisson (40). On détermine la fréquence résonante de la pale (110) par application d'un champ magnétique généré par un ensemble circuit d'attaque (120) contre la pale (110) et par détection de la fréquence résonante au moyen d'un détecteur de vibrations (117) relié à l'ensemble circuit d'attaque (120) dans une boucle à phase asservie.
PCT/US1997/018062 1996-10-07 1997-10-07 Densimetre WO1998015811A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU48099/97A AU725475B2 (en) 1996-10-07 1997-10-07 Densitometer
NZ335089A NZ335089A (en) 1996-10-07 1997-10-07 Densitometer with separate measuring plenum chamber
EP97910821A EP0929801A4 (fr) 1996-10-07 1997-10-07 Densimetre
CA002267886A CA2267886A1 (fr) 1996-10-07 1997-10-07 Densimetre

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/726,942 US5900534A (en) 1996-10-07 1996-10-07 Densitometer
US08/726,942 1996-10-07

Publications (2)

Publication Number Publication Date
WO1998015811A1 WO1998015811A1 (fr) 1998-04-16
WO1998015811B1 true WO1998015811B1 (fr) 1998-06-04

Family

ID=24920678

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/018062 WO1998015811A1 (fr) 1996-10-07 1997-10-07 Densimetre

Country Status (7)

Country Link
US (1) US5900534A (fr)
EP (1) EP0929801A4 (fr)
CN (1) CN1240024A (fr)
AU (1) AU725475B2 (fr)
CA (1) CA2267886A1 (fr)
NZ (1) NZ335089A (fr)
WO (1) WO1998015811A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6412354B1 (en) 1999-12-16 2002-07-02 Halliburton Energy Services, Inc. Vibrational forced mode fluid property monitor and method
EP1723467A2 (fr) * 2004-02-03 2006-11-22 Rochester Institute of Technology Proc d de photolithographie utilisant un fluide et syst me associ
US7412986B2 (en) * 2004-07-09 2008-08-19 Celerity, Inc. Method and system for flow measurement and validation of a mass flow controller
US7150201B2 (en) * 2004-12-15 2006-12-19 Celerity, Inc. System and method for measuring flow
EP2458348B1 (fr) * 2010-11-29 2013-08-14 Air Products And Chemicals, Inc. Procédé et appareil pour mesurer le débit de masse d'un gaz
ES2749877T3 (es) 2010-11-29 2020-03-24 Air Prod & Chem Método y aparato de medición del peso molecular de un gas
PL2667160T3 (pl) 2012-05-24 2021-05-04 Air Products And Chemicals, Inc. Sposób i urządzenie do regulowania masowego natężenia przepływu gazu
ES2536091T3 (es) * 2012-05-24 2015-05-20 Air Products And Chemicals, Inc. Aparato para la medición del contenido verdadero de un cilindro de gas bajo presión
EP2667159B1 (fr) 2012-05-24 2021-12-01 Air Products And Chemicals, Inc. Procédé et appareil pour mesurer le débit de masse d'un gaz
PL2667277T3 (pl) 2012-05-24 2018-05-30 Air Products And Chemicals, Inc. Sposób i urządzenia do dostarczania mieszaniny gazu
EP2667276B1 (fr) 2012-05-24 2017-11-08 Air Products And Chemicals, Inc. Procédé et appareil permettant de fournir un mélange gazeux
ES2556783T3 (es) 2012-05-24 2016-01-20 Air Products And Chemicals, Inc. Método y aparato para medir las propiedades físicas de fluidos bifásicos
US10184870B2 (en) * 2013-04-03 2019-01-22 Micro Motion, Inc. Vibratory sensor and method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2754676A (en) * 1954-03-17 1956-07-17 Carl Casey Densimeter
DE1598084C3 (de) * 1965-12-21 1974-02-21 Basf Ag, 6700 Ludwigshafen Vorrichtung zum kontinuierlichen Bestimmen der Wichte von fließfähigen Stoffen
GB1175664A (en) * 1966-01-28 1969-12-23 Solartron Electronic Group Improvements in or relating to Methods of Measuring the Densities of Fluids and Apparatus therefor
GB1277403A (en) * 1968-08-30 1972-06-14 Solartron Electronic Group Improvements in or relating to transducers suitable for use in measuring the density of or the pressure or a pressure difference in fluids
GB1385686A (en) * 1971-05-05 1975-02-26 Solartron Electronic Group Transducers
US3956922A (en) * 1974-12-09 1976-05-18 International Telephone And Telegraph Corporation Densitometer probe shield and well
GB2027539B (en) * 1978-08-09 1983-09-21 Marconi Co Ltd Measurement of the density of liquids
US4453401A (en) * 1982-03-12 1984-06-12 The United States Of America As Represented By The Secretary Of The Air Force Pressure sensor and soil stress isolation filter arrangement in a pore pressure probe
US4546641A (en) * 1983-10-17 1985-10-15 International Telephone & Telegraph Corp. Densitometer
US5533381A (en) * 1994-06-10 1996-07-09 Seale; Joseph B. Conversion of liquid volume, density, and viscosity to frequency signals

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