DE60226595D1 - Venturi-strömungsmesser zur verwendung in einer auspuffprobenvorrichtung - Google Patents
Venturi-strömungsmesser zur verwendung in einer auspuffprobenvorrichtungInfo
- Publication number
- DE60226595D1 DE60226595D1 DE60226595T DE60226595T DE60226595D1 DE 60226595 D1 DE60226595 D1 DE 60226595D1 DE 60226595 T DE60226595 T DE 60226595T DE 60226595 T DE60226595 T DE 60226595T DE 60226595 D1 DE60226595 D1 DE 60226595D1
- Authority
- DE
- Germany
- Prior art keywords
- exhaust
- metering device
- exhaust gas
- section
- venturi
- 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.)
- Expired - Lifetime
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
- G01F1/40—Details of construction of the flow constriction devices
- G01F1/44—Venturi tubes
-
- 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
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N1/2252—Sampling from a flowing stream of gas in a vehicle exhaust
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N2001/222—Other features
- G01N2001/2223—Other features aerosol sampling devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N2001/2264—Sampling from a flowing stream of gas with dilution
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/854,340 US6546812B2 (en) | 2001-05-11 | 2001-05-11 | Venturi flowmeter for use in an exhaust sampling apparatus |
PCT/US2002/014751 WO2002093114A1 (en) | 2001-05-11 | 2002-05-10 | Venturi flowmeter for use in an exhaust sampling apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60226595D1 true DE60226595D1 (de) | 2008-06-26 |
Family
ID=25318417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60226595T Expired - Lifetime DE60226595D1 (de) | 2001-05-11 | 2002-05-10 | Venturi-strömungsmesser zur verwendung in einer auspuffprobenvorrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US6546812B2 (de) |
EP (1) | EP1387999B1 (de) |
AT (1) | ATE395579T1 (de) |
DE (1) | DE60226595D1 (de) |
WO (1) | WO2002093114A1 (de) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6871535B2 (en) | 2002-08-14 | 2005-03-29 | Hewlett-Packard Development Company, L.P. | Flow direction detector |
US6973818B2 (en) * | 2002-12-05 | 2005-12-13 | Avl North America, Inc. | Exhaust volume measurement device |
US7555928B2 (en) * | 2002-12-05 | 2009-07-07 | Avl North America Inc. | Exhaust volume measurement device |
US7043912B1 (en) * | 2004-12-27 | 2006-05-16 | Utc Power, Llc | Apparatus for extracting exhaust heat from waste heat sources while preventing backflow and corrosion |
US20060159091A1 (en) * | 2005-01-19 | 2006-07-20 | Arjen Boers | Active multicast information protocol |
US7513940B2 (en) * | 2005-04-07 | 2009-04-07 | Rural Technologies, Inc. | Air sampling apparatus and method |
US7389703B2 (en) * | 2005-09-29 | 2008-06-24 | Horiba Instruments, Inc. | Sampler for engine exhaust dilution |
US7582265B2 (en) * | 2007-06-28 | 2009-09-01 | Plasma Waste Recycling, Inc. | Gas conduit for plasma gasification reactors |
US7694554B1 (en) * | 2007-07-17 | 2010-04-13 | Thompson Bernie C | Engine misfire detection probe |
US7730793B2 (en) * | 2007-11-16 | 2010-06-08 | Honeywell International Inc. | Venturi flow sensor |
US7934433B1 (en) * | 2009-11-04 | 2011-05-03 | Baker Hughes Incorporated | Inverse venturi meter with insert capability |
US8820177B2 (en) * | 2012-02-29 | 2014-09-02 | Caterpillar Inc. | Flow measurement unit |
US9279406B2 (en) | 2012-06-22 | 2016-03-08 | Illinois Tool Works, Inc. | System and method for analyzing carbon build up in an engine |
EP2765396A1 (de) * | 2013-02-06 | 2014-08-13 | GSL Golden Shell Co Ltd. | Durchflussmesser und Verfahren zu seiner Verwendung |
US9176089B2 (en) | 2013-03-29 | 2015-11-03 | Stmicroelectronics Pte Ltd. | Integrated multi-sensor module |
US9618653B2 (en) * | 2013-03-29 | 2017-04-11 | Stmicroelectronics Pte Ltd. | Microelectronic environmental sensing module |
US9000542B2 (en) | 2013-05-31 | 2015-04-07 | Stmicroelectronics Pte Ltd. | Suspended membrane device |
DE102013106723A1 (de) * | 2013-06-26 | 2014-12-31 | systec Controls Meß- und Regeltechnik GmbH | Verfahren zur Vermeidung pulsationsbedingter Messfehler bei Massenflussbestimmung |
US20150300640A1 (en) * | 2014-04-22 | 2015-10-22 | The Marley-Wylain Company | Minimum input air providing device and method |
EP3048429B1 (de) * | 2015-01-26 | 2020-08-26 | Sensirion AG | Vorrichtung zur Messung einer Fluidströmung durch eine Belüftungsanlage |
US9696187B2 (en) * | 2015-07-01 | 2017-07-04 | Rosemount Aerospace Inc. | Device for measuring total pressure of fluid flow |
EP3199927B1 (de) * | 2016-02-01 | 2023-11-01 | ABB Schweiz AG | Verfahren und system zum messen des durchflusses durch eine flüssigkeitsleitung |
US10429330B2 (en) | 2016-07-18 | 2019-10-01 | Stmicroelectronics Pte Ltd | Gas analyzer that detects gases, humidity, and temperature |
US10254261B2 (en) | 2016-07-18 | 2019-04-09 | Stmicroelectronics Pte Ltd | Integrated air quality sensor that detects multiple gas species |
US10557812B2 (en) | 2016-12-01 | 2020-02-11 | Stmicroelectronics Pte Ltd | Gas sensors |
EP3421947B1 (de) | 2017-06-30 | 2019-08-07 | Sensirion AG | Betriebsverfahren für eine durchflusssensorvorrichtung |
US10960237B2 (en) * | 2017-07-19 | 2021-03-30 | Honeywell International Inc. | Powered air-purifying respirator (PAPR) with eccentric venturi air flow rate determination |
CN107830902A (zh) * | 2017-12-12 | 2018-03-23 | 杭州天马计量科技有限公司 | 一种气体流量计 |
US20190234209A1 (en) * | 2018-01-30 | 2019-08-01 | Saudi Arabian Oil Company | Measuring fluid density in a fluid flow |
CN108548574B (zh) * | 2018-04-08 | 2019-12-03 | 江阴市节流装置厂有限公司 | 一种可实现双向流量测量的内置文丘里流量计 |
CN108636949B (zh) * | 2018-04-10 | 2021-02-02 | 红云红河烟草(集团)有限责任公司 | 一种风力送料系统堵管检测自动疏通方法及系统 |
CN109490025A (zh) * | 2019-01-08 | 2019-03-19 | 四川三联新材料有限公司 | 一种定压烟气采样装置及烟气分析系统 |
US11402303B2 (en) | 2019-01-21 | 2022-08-02 | CEMTEK Systems Inc | System and method for low pressure low flow dilution extraction gas sampling |
US11371326B2 (en) | 2020-06-01 | 2022-06-28 | Saudi Arabian Oil Company | Downhole pump with switched reluctance motor |
US11499563B2 (en) | 2020-08-24 | 2022-11-15 | Saudi Arabian Oil Company | Self-balancing thrust disk |
US11920469B2 (en) | 2020-09-08 | 2024-03-05 | Saudi Arabian Oil Company | Determining fluid parameters |
WO2022067154A1 (en) * | 2020-09-28 | 2022-03-31 | Tsi Incorporated | Flow control and measurement through particle counters |
CN113027642A (zh) * | 2021-03-12 | 2021-06-25 | 一汽解放汽车有限公司 | 文丘里管装置、egr系统及发动机 |
US11644351B2 (en) | 2021-03-19 | 2023-05-09 | Saudi Arabian Oil Company | Multiphase flow and salinity meter with dual opposite handed helical resonators |
US11591899B2 (en) | 2021-04-05 | 2023-02-28 | Saudi Arabian Oil Company | Wellbore density meter using a rotor and diffuser |
US11913464B2 (en) | 2021-04-15 | 2024-02-27 | Saudi Arabian Oil Company | Lubricating an electric submersible pump |
CN113357059A (zh) * | 2021-05-31 | 2021-09-07 | 潍柴动力股份有限公司 | 一种保温结构、egr系统及汽车 |
CN115111691B (zh) * | 2022-07-08 | 2023-10-27 | 清华大学 | 地铁混风室压差测量装置及方法 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3699814A (en) * | 1972-03-09 | 1972-10-24 | Philco Ford Corp | Gas sampler |
US3817100A (en) * | 1972-11-03 | 1974-06-18 | Ford Motor Co | Critical flow venturi |
SE421349B (sv) | 1977-12-16 | 1981-12-14 | Graende Per Olof | Flodesmetare for registrering av verkligt forlopp hos pulserade vetskefloden |
US4249164A (en) | 1979-05-14 | 1981-02-03 | Tivy Vincent V | Flow meter |
DE3277077D1 (en) | 1981-04-01 | 1987-10-01 | Lucas Ind Plc | Measurement of air mass flow into an internal combustion engine |
US4481828A (en) | 1983-01-27 | 1984-11-13 | Phillips Petroleum Company | Differential flow rate sensor |
US4660408A (en) | 1984-03-19 | 1987-04-28 | Horiba Instruments Incorporated | Proportional exhaust sampler system and control means |
US4586367A (en) | 1984-03-19 | 1986-05-06 | Horiba Instruments Incorporated | Proportional exhaust sampler and control means |
US4787251A (en) | 1987-07-15 | 1988-11-29 | Tsi Incorporated | Directional low differential pressure transducer |
US4823591A (en) | 1987-11-05 | 1989-04-25 | Horiba Instruments Incorporated | Calibration method for exhaust mass flow measuring system |
US5199306A (en) | 1990-11-16 | 1993-04-06 | Hunter Robert M | Method and apparatus for metering flow in closed conduits that surcharge |
US5184501A (en) | 1991-05-03 | 1993-02-09 | Horiba Instruments Incorporated | Exhaust sampler and control means |
US5187972A (en) * | 1992-01-17 | 1993-02-23 | Clean Air Engineering, Inc. | Gas monitor |
US5347843A (en) | 1992-09-23 | 1994-09-20 | Korr Medical Technologies Inc. | Differential pressure flowmeter with enhanced signal processing for respiratory flow measurement |
US5365795A (en) | 1993-05-20 | 1994-11-22 | Brower Jr William B | Improved method for determining flow rates in venturis, orifices and flow nozzles involving total pressure and static pressure measurements |
US5423226A (en) | 1993-11-16 | 1995-06-13 | Yellowstone Environmental Science, Inc. | Flow measurement system |
US5641915A (en) | 1995-02-03 | 1997-06-24 | Lockheed Idaho Technologies Company | Device and method for measuring multi-phase fluid flow in a conduit using an elbow flow meter |
FR2735571B1 (fr) | 1995-06-15 | 1997-08-29 | Schlumberger Services Petrol | Debitmetre a venturi pour mesure dans une veine d'ecoulement d'un fluide |
US5837903A (en) * | 1995-09-22 | 1998-11-17 | The Scott Fetzer Company Inc. | Device for measuring exhaust flowrate using laminar flow element |
US6058787A (en) | 1996-06-21 | 2000-05-09 | Hughes Technology Group L.L.C | Mass flow measuring device |
US5846831A (en) | 1997-04-01 | 1998-12-08 | Horiba Instuments, Inc. | Methods and systems for controlling flow of a diluted sample and determining pollutants based on water content in engine exhaust emissions |
US5963883A (en) * | 1997-04-09 | 1999-10-05 | Westinghouse Air Brake Company | Modified airflow algorithm with compensation for variations in main reservoir air pressure and ambient airflow |
US6016711A (en) | 1997-11-21 | 2000-01-25 | Southwest Research Institute | Mobile vehicle emissions sampling system |
US6122980A (en) | 1998-06-26 | 2000-09-26 | Horiba Instruments, Inc. | Mixing system |
-
2001
- 2001-05-11 US US09/854,340 patent/US6546812B2/en not_active Expired - Lifetime
-
2002
- 2002-05-10 WO PCT/US2002/014751 patent/WO2002093114A1/en not_active Application Discontinuation
- 2002-05-10 DE DE60226595T patent/DE60226595D1/de not_active Expired - Lifetime
- 2002-05-10 EP EP02734331A patent/EP1387999B1/de not_active Expired - Lifetime
- 2002-05-10 AT AT02734331T patent/ATE395579T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1387999A1 (de) | 2004-02-11 |
EP1387999B1 (de) | 2008-05-14 |
US6546812B2 (en) | 2003-04-15 |
WO2002093114A1 (en) | 2002-11-21 |
EP1387999A4 (de) | 2006-08-23 |
ATE395579T1 (de) | 2008-05-15 |
US20020189369A1 (en) | 2002-12-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |