FR2290656B1 - - Google Patents
Info
- Publication number
- FR2290656B1 FR2290656B1 FR7533826A FR7533826A FR2290656B1 FR 2290656 B1 FR2290656 B1 FR 2290656B1 FR 7533826 A FR7533826 A FR 7533826A FR 7533826 A FR7533826 A FR 7533826A FR 2290656 B1 FR2290656 B1 FR 2290656B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/86—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure
- G01F1/88—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure with differential-pressure measurement to determine the volume flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01F1/38—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 a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
- G01F1/383—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 a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule with electrical or electro-mechanical indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01F1/40—Details of construction of the flow constriction devices
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7414460.A NL167243C (nl) | 1974-11-06 | 1974-11-06 | Massadebietmeter voor een gasvormig medium zoals lucht. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2290656A1 FR2290656A1 (fr) | 1976-06-04 |
FR2290656B1 true FR2290656B1 (fr) | 1982-07-16 |
Family
ID=19822402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7533826A Granted FR2290656A1 (fr) | 1974-11-06 | 1975-11-05 | Debitmetre de masse pour fluide gazeux tel que de l'air |
Country Status (11)
Country | Link |
---|---|
US (1) | US4015473A (fr) |
JP (1) | JPS5169657A (fr) |
BE (1) | BE835244A (fr) |
CA (1) | CA1046790A (fr) |
CH (1) | CH604132A5 (fr) |
DE (1) | DE2549002C3 (fr) |
FR (1) | FR2290656A1 (fr) |
GB (1) | GB1530916A (fr) |
IT (1) | IT1052154B (fr) |
NL (1) | NL167243C (fr) |
SE (1) | SE407979B (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4212200A (en) * | 1978-08-14 | 1980-07-15 | Transformateurs Bc And Effa | Instantaneous flow meter for automobile vehicles |
DE2934137C2 (de) * | 1978-08-25 | 1985-05-15 | Nissan Motor Co., Ltd., Yokohama, Kanagawa | Strömungsmeßanordnung zum Messen einer Strömungsmenge in einem rohrförmigen Kanal |
US4379402A (en) * | 1981-01-22 | 1983-04-12 | Beckman Instruments, Inc. | Gas analysis instrument having flow rate compensation |
US4449401A (en) * | 1981-05-19 | 1984-05-22 | Eaton Corporation | Hot film/swirl fluid flowmeter |
US4418568A (en) * | 1981-09-10 | 1983-12-06 | Eaton Corporation | Hot film fluid flowmeter with auxiliary flow sensing |
FR2566524B1 (fr) * | 1984-06-22 | 1990-01-12 | Air Liquide | Debitmetre a perte de charge et appareil de reglage de debit comportant un tel debitmetre |
FR2589568B1 (fr) * | 1985-11-06 | 1987-12-04 | Snecma | Procede de mesure aerodynamique d'une section de passage de fluide, et dispositif pour sa mise en oeuvre |
EP0331772A1 (fr) * | 1988-03-08 | 1989-09-13 | Dräger Nederland B.V. | Capteur de pression différentielle pour courants gazeux bidirectionnels |
US5295397A (en) * | 1991-07-15 | 1994-03-22 | The Texas A & M University System | Slotted orifice flowmeter |
US5461932A (en) * | 1991-07-15 | 1995-10-31 | Texas A & M University System | Slotted orifice flowmeter |
NL9200414A (nl) * | 1992-03-06 | 1993-10-01 | Bronkhorst High Tech Bv | Laminair stromingselement met geintegreerd turbulentiefilter. |
US5837903A (en) * | 1995-09-22 | 1998-11-17 | The Scott Fetzer Company Inc. | Device for measuring exhaust flowrate using laminar flow element |
JP2001508740A (ja) * | 1997-01-21 | 2001-07-03 | ジェイ・エイチ・フェナー・アンド・カンパニー・リミテッド | 燃料デスペンサー用の蒸気回収システム |
DE19735724A1 (de) * | 1997-08-18 | 1999-02-25 | Bmw Rolls Royce Gmbh | Meßfühler für ein Gasturbinentriebwerk |
US6345536B1 (en) | 1998-09-10 | 2002-02-12 | The Texas A&M University System | Multiple-phase flow meter |
DE10035054C1 (de) * | 2000-07-19 | 2001-10-25 | Draeger Medical Ag | Atemstromsensor |
US6681189B1 (en) | 2001-08-22 | 2004-01-20 | The Texas A&M University System | Method and system for determining flow rates and/or fluid density in single and multiple-phase flows utilizing discharge coefficient relationships |
CN103893863A (zh) * | 2012-12-26 | 2014-07-02 | 北京谊安医疗***股份有限公司 | 压差式流量传感器积水处理装置及具有该装置的呼吸机 |
NL2022125B1 (en) * | 2018-12-03 | 2020-06-30 | Suss Microtec Lithography Gmbh | Apparatus for measuring a fluid flow through a pipe of a semiconductor manufacturing device |
DE102021213421A1 (de) * | 2021-11-29 | 2023-06-01 | Festo Se & Co. Kg | Ventilmodul und Verfahren zum Betreiben eines derartigen Ventilmoduls |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3349619A (en) * | 1959-07-29 | 1967-10-31 | Meriam Instr Company | Laminar flow element and flow meter |
US3374674A (en) * | 1965-02-23 | 1968-03-26 | Everett H. Schwartzman | Fluid flowmeter |
US3838598A (en) * | 1969-03-28 | 1974-10-01 | Brunswick Corp | Capillary flow meter |
-
1974
- 1974-11-06 NL NL7414460.A patent/NL167243C/xx not_active IP Right Cessation
-
1975
- 1975-10-28 GB GB44362/75A patent/GB1530916A/en not_active Expired
- 1975-10-30 US US05/627,108 patent/US4015473A/en not_active Expired - Lifetime
- 1975-11-03 SE SE7512247A patent/SE407979B/xx unknown
- 1975-11-03 IT IT52058/75A patent/IT1052154B/it active
- 1975-11-03 DE DE2549002A patent/DE2549002C3/de not_active Expired
- 1975-11-03 CA CA238,895A patent/CA1046790A/fr not_active Expired
- 1975-11-03 CH CH1416875A patent/CH604132A5/xx not_active IP Right Cessation
- 1975-11-04 JP JP50131574A patent/JPS5169657A/ja active Pending
- 1975-11-04 BE BE161580A patent/BE835244A/fr not_active IP Right Cessation
- 1975-11-05 FR FR7533826A patent/FR2290656A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
NL167243C (nl) | 1981-11-16 |
CH604132A5 (fr) | 1978-08-31 |
CA1046790A (fr) | 1979-01-23 |
US4015473A (en) | 1977-04-05 |
DE2549002C3 (de) | 1978-05-24 |
SE7512247L (sv) | 1976-05-07 |
BE835244A (fr) | 1976-05-04 |
IT1052154B (it) | 1981-06-20 |
DE2549002A1 (de) | 1976-05-13 |
NL7414460A (nl) | 1976-05-10 |
SE407979B (sv) | 1979-04-30 |
DE2549002B2 (de) | 1977-09-29 |
FR2290656A1 (fr) | 1976-06-04 |
GB1530916A (en) | 1978-11-01 |
NL167243B (nl) | 1981-06-16 |
JPS5169657A (fr) | 1976-06-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |