ATE448471T1 - Vorrichtung zum messen eines druckes zwischen zwei punkte einer flüssigkeitsströmung - Google Patents
Vorrichtung zum messen eines druckes zwischen zwei punkte einer flüssigkeitsströmungInfo
- Publication number
- ATE448471T1 ATE448471T1 AT02710748T AT02710748T ATE448471T1 AT E448471 T1 ATE448471 T1 AT E448471T1 AT 02710748 T AT02710748 T AT 02710748T AT 02710748 T AT02710748 T AT 02710748T AT E448471 T1 ATE448471 T1 AT E448471T1
- Authority
- AT
- Austria
- Prior art keywords
- pressure
- points
- measuring
- liquid flow
- chambers
- Prior art date
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
- G01F1/05—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
- G01F1/363—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 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
- G01F1/38—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)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01810210A EP1236974A1 (de) | 2001-03-01 | 2001-03-01 | Vorrichtung zur Druckmessung in zwei Punkten einer strömenden Flüssigkeit |
PCT/CH2002/000101 WO2002071001A1 (fr) | 2001-03-01 | 2002-02-21 | Dispositif pour mesurer une pression en deux points d'un ecoulement fluidique |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE448471T1 true ATE448471T1 (de) | 2009-11-15 |
Family
ID=8183768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02710748T ATE448471T1 (de) | 2001-03-01 | 2002-02-21 | Vorrichtung zum messen eines druckes zwischen zwei punkte einer flüssigkeitsströmung |
Country Status (6)
Country | Link |
---|---|
US (1) | US6898981B1 (de) |
EP (2) | EP1236974A1 (de) |
AT (1) | ATE448471T1 (de) |
CA (1) | CA2438546C (de) |
DE (1) | DE60234317D1 (de) |
WO (1) | WO2002071001A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005085775A1 (en) | 2004-02-06 | 2005-09-15 | Seyonic S.A. | Pipette verification device and pipette |
DE202006010293U1 (de) * | 2005-07-22 | 2006-08-31 | Tecan Trading Ag | Pipettiergerät mit Computerprogrammprodukt zum Akzeptieren oder Verwerfen von pipettierten Flüssigkeitsproben |
US7703339B2 (en) * | 2005-12-09 | 2010-04-27 | Analog Devices, Inc. | Flow sensor chip |
FR2974628B1 (fr) * | 2011-04-28 | 2013-12-27 | Commissariat Energie Atomique | Microdebitmetre et son procede de realisation |
EP2818873A1 (de) | 2013-06-24 | 2014-12-31 | Seyonic SA | Kontrollmethode für Pipettiervorgänge |
CH715310A2 (de) | 2018-09-11 | 2020-03-13 | Reseatech Gmbh | Durchflussmessvorrichtung. |
US11965762B2 (en) * | 2019-10-21 | 2024-04-23 | Flusso Limited | Flow sensor |
EP3869162B1 (de) * | 2020-02-24 | 2022-07-13 | Seyonic SA | Fluiddurchflussmessvorrichtung |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4565096A (en) * | 1983-12-09 | 1986-01-21 | Rosemount Inc. | Pressure transducer |
US4596149A (en) * | 1985-07-19 | 1986-06-24 | Roanoke College | Pressure gauge assembly |
US5969591A (en) * | 1991-03-28 | 1999-10-19 | The Foxboro Company | Single-sided differential pressure sensor |
DE753728T1 (de) * | 1995-07-14 | 1997-06-26 | Yokogawa Electric Corp | Halbleiter-Druckdifferenzmessvorrichtung |
DE19927970A1 (de) * | 1998-12-15 | 2000-06-29 | Fraunhofer Ges Forschung | Verfahren zum Erzeugen eines mikro-elektromechanischen Elements |
-
2001
- 2001-03-01 EP EP01810210A patent/EP1236974A1/de not_active Withdrawn
-
2002
- 2002-02-21 DE DE60234317T patent/DE60234317D1/de not_active Expired - Lifetime
- 2002-02-21 AT AT02710748T patent/ATE448471T1/de not_active IP Right Cessation
- 2002-02-21 US US10/469,322 patent/US6898981B1/en not_active Expired - Lifetime
- 2002-02-21 EP EP02710748A patent/EP1364188B1/de not_active Expired - Lifetime
- 2002-02-21 WO PCT/CH2002/000101 patent/WO2002071001A1/fr not_active Application Discontinuation
- 2002-02-21 CA CA002438546A patent/CA2438546C/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1236974A1 (de) | 2002-09-04 |
CA2438546A1 (fr) | 2002-09-12 |
WO2002071001A1 (fr) | 2002-09-12 |
EP1364188A1 (de) | 2003-11-26 |
EP1364188B1 (de) | 2009-11-11 |
CA2438546C (fr) | 2009-09-08 |
DE60234317D1 (de) | 2009-12-24 |
US6898981B1 (en) | 2005-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |