FR2425057A1 - Procede et appareil de mesure d'un debit gazeux, notamment d'air - Google Patents
Procede et appareil de mesure d'un debit gazeux, notamment d'airInfo
- Publication number
- FR2425057A1 FR2425057A1 FR7911221A FR7911221A FR2425057A1 FR 2425057 A1 FR2425057 A1 FR 2425057A1 FR 7911221 A FR7911221 A FR 7911221A FR 7911221 A FR7911221 A FR 7911221A FR 2425057 A1 FR2425057 A1 FR 2425057A1
- Authority
- FR
- France
- Prior art keywords
- measuring
- gas flow
- turns
- differential pressure
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/02—Compensating or correcting for variations in pressure, density or temperature
- G01F15/026—Compensating or correcting for variations in pressure, density or temperature using means to maintain zero differential pressure across the motor
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
PROCEDE ET APPAREIL DE MESURE D'UN DEBIT GAZEUX, AU MOYEN D'UN COMPTEUR VOLUMETRIQUE DIRECT COMMANDE PAR UN SERVO-MOTEUR ET DONT LE NOMBRE DE TOURS EST REGLE DE FACON QUE LA PRESSION DIFFERENTIELLE ENTRE SON ENTREE ET SA SORTIE TENDE VERS ZERO. CE PROCEDE ET CET APPAREIL FONT USAGE D'AU MOINS UN TRANSMETTEUR 7, 8 DE PRESSION DIFFERENTIELLE DONT LES SIGNAUX SONT CONDUITS A UN INTEGRATEUR LENT 26 ET A UN INTEGRATEUR PLUS RAPIDE 24 QUI PRESCRIT LA VALEUR THEORIQUE NTHEOR POUR LA REGULATION DU NOMBRE DE TOURS DU COMPTEUR 1. LES DEUX TRANSMETTEURS 7, 8 ONT DES PLAGES DE MESURE QUI DIFFERENT L'UNE DE L'AUTRE ET SE COMPLETENT. APPLICATION A LA MESURE DE DEBITS DE FLUIDES GAZEUX.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782819238 DE2819238A1 (de) | 1978-05-02 | 1978-05-02 | Verfahren und geraet zum messen einer gasmenge, insbesondere luft |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2425057A1 true FR2425057A1 (fr) | 1979-11-30 |
FR2425057B1 FR2425057B1 (fr) | 1984-11-30 |
Family
ID=6038508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7911221A Granted FR2425057A1 (fr) | 1978-05-02 | 1979-04-27 | Procede et appareil de mesure d'un debit gazeux, notamment d'air |
Country Status (5)
Country | Link |
---|---|
US (1) | US4305302A (fr) |
JP (1) | JPS54149668A (fr) |
DE (1) | DE2819238A1 (fr) |
FR (1) | FR2425057A1 (fr) |
GB (1) | GB2021776B (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3815518C2 (de) * | 1988-05-06 | 1993-10-28 | Pierburg Luftfahrtgeraete | Verfahren und eine von einem Gas, insbesondere Luft, durchströmte Vorrichtung zum Durchführen des Verfahrens |
DE3915545A1 (de) * | 1989-05-12 | 1990-11-15 | Lothar Pege | Geraet zur kontinuierlichen volumenmessung |
US5284053A (en) * | 1992-01-10 | 1994-02-08 | The Boc Group, Inc. | Controlled flow volumetric flowmeter |
DE4200803A1 (de) * | 1992-01-15 | 1993-07-22 | Riba Prueftechnik Gmbh | Verfahren und vorrichtung zum absaugen und rueckfuehren eines gases von einer fluessigkeits-zapfstelle |
DE4408421C2 (de) * | 1994-03-12 | 1996-01-11 | Iwk Regler Kompensatoren | Verfahren und Vorrichtung zur Differenzdruckmessung mit periodischem Nullabgleich |
WO2002095340A1 (fr) * | 2001-05-21 | 2002-11-28 | Oval Corporation | Debitmetre volumetrique asservi |
GB2452721A (en) * | 2007-09-11 | 2009-03-18 | Pa Knowledge Ltd | A powered flow meter |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1167286A (fr) * | 1956-02-29 | 1958-11-24 | Thomson Houston Comp Francaise | Perfectionnements aux compteurs de fluide |
FR2015863A1 (fr) * | 1968-08-19 | 1970-04-30 | Pierburg Kg A |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1773651A1 (de) * | 1968-06-19 | 1972-04-06 | Oval Gear Eng Co Ltd | Durchflussmesser |
DE1801685A1 (de) * | 1968-10-08 | 1972-08-03 | Koch Hermann | Druckmessgeraet |
BE759519A (fr) * | 1969-11-28 | 1971-04-30 | Schlumberger Instrumentation | Capteur de debit volumetrique a turbine |
DE2158100A1 (de) * | 1971-11-24 | 1973-06-20 | Deutsche Forsch Luft Raumfahrt | Rotierende durchflussmesser mit geregeltem fremdantrieb |
DE2728250A1 (de) * | 1977-06-23 | 1979-01-04 | Pierburg Luftfahrtgeraete | Durchflussmess- und dosiergeraet |
-
1978
- 1978-05-02 DE DE19782819238 patent/DE2819238A1/de active Granted
-
1979
- 1979-04-27 US US06/034,137 patent/US4305302A/en not_active Expired - Lifetime
- 1979-04-27 GB GB7914792A patent/GB2021776B/en not_active Expired
- 1979-04-27 FR FR7911221A patent/FR2425057A1/fr active Granted
- 1979-05-02 JP JP5465979A patent/JPS54149668A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1167286A (fr) * | 1956-02-29 | 1958-11-24 | Thomson Houston Comp Francaise | Perfectionnements aux compteurs de fluide |
FR2015863A1 (fr) * | 1968-08-19 | 1970-04-30 | Pierburg Kg A |
Also Published As
Publication number | Publication date |
---|---|
GB2021776B (en) | 1983-01-19 |
JPS54149668A (en) | 1979-11-24 |
DE2819238A1 (de) | 1979-11-15 |
US4305302A (en) | 1981-12-15 |
JPS6229729B2 (fr) | 1987-06-27 |
FR2425057B1 (fr) | 1984-11-30 |
DE2819238C2 (fr) | 1987-01-29 |
GB2021776A (en) | 1979-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |