DE69630437D1 - Selbstkalibrierender durchflussmesser für offenen kanal - Google Patents
Selbstkalibrierender durchflussmesser für offenen kanalInfo
- Publication number
- DE69630437D1 DE69630437D1 DE69630437T DE69630437T DE69630437D1 DE 69630437 D1 DE69630437 D1 DE 69630437D1 DE 69630437 T DE69630437 T DE 69630437T DE 69630437 T DE69630437 T DE 69630437T DE 69630437 D1 DE69630437 D1 DE 69630437D1
- Authority
- DE
- Germany
- Prior art keywords
- self
- flow meter
- open channel
- calibrating flow
- calibrating
- 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
- G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
-
- 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
- G01F1/002—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow wherein the flow is in an open channel
-
- 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
- G01F1/56—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 electric or magnetic effects
- G01F1/58—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 electric or magnetic effects by electromagnetic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2962—Measuring transit time of reflected waves
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US517214 | 1995-08-21 | ||
US08/517,214 US5684250A (en) | 1995-08-21 | 1995-08-21 | Self-calibrating open-channel flowmeter |
PCT/US1996/013291 WO1997008515A2 (en) | 1995-08-21 | 1996-08-21 | Self-calibrating open-channel flowmeter |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69630437D1 true DE69630437D1 (de) | 2003-11-27 |
DE69630437T2 DE69630437T2 (de) | 2004-07-29 |
Family
ID=24058852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69630437T Expired - Lifetime DE69630437T2 (de) | 1995-08-21 | 1996-08-21 | Selbstkalibrierender durchflussmesser für offenen kanal |
Country Status (6)
Country | Link |
---|---|
US (1) | US5684250A (de) |
EP (1) | EP0792441B1 (de) |
JP (1) | JP3202992B2 (de) |
AU (1) | AU6848096A (de) |
DE (1) | DE69630437T2 (de) |
WO (1) | WO1997008515A2 (de) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5808195A (en) * | 1997-05-21 | 1998-09-15 | Ads Environmental Services | Arrangement for determining liquid velocity versus depth utilizing historical data |
WO2000002017A2 (en) * | 1998-07-03 | 2000-01-13 | Neles Field Controls Oy | Method and arrangement for measuring fluid |
WO2000025096A1 (en) * | 1998-10-26 | 2000-05-04 | Matsushita Electric Industrial Co., Ltd. | Method of setting flow coefficient and flow meter |
GB9916022D0 (en) * | 1999-07-09 | 1999-09-08 | Sensor Highway Ltd | Method and apparatus for determining flow rates |
US6565284B2 (en) * | 2000-12-08 | 2003-05-20 | Stephen V. Gearhart | Infiltration control system and method |
US7002481B1 (en) * | 2002-03-05 | 2006-02-21 | Aeromesh Corporation | Monitoring system and method |
US7626508B2 (en) * | 2002-03-05 | 2009-12-01 | Aeromesh Corporation | Monitoring system and method |
US7419598B2 (en) * | 2005-03-08 | 2008-09-02 | Teledyne Isco, Inc. | Chromatographic solvent monitor |
US7792126B1 (en) | 2005-05-19 | 2010-09-07 | EmNet, LLC | Distributed monitoring and control system |
JP4794931B2 (ja) * | 2005-07-20 | 2011-10-19 | 古河電気工業株式会社 | 測定システム |
KR100743057B1 (ko) | 2006-06-23 | 2007-07-26 | 주식회사 우진 | 유량 측정 장치 및 이를 이용한 유량 측정 방법 |
US7836760B2 (en) * | 2007-10-23 | 2010-11-23 | Saylor David J | Method and device for the assessment of fluid collection networks |
US8215183B2 (en) * | 2009-07-03 | 2012-07-10 | Ads Llc | Augmented surface sensor for measuring flow velocity |
DE102010029119A1 (de) * | 2010-05-19 | 2011-11-24 | Endress + Hauser Flowtec Ag | Verfahren zur Ermittlung des Durchflusses eines Mediums durch ein Messrohr |
US8434371B2 (en) | 2010-10-14 | 2013-05-07 | Brickhouse Innovations, Llc | Electromagnetic fluid velocity sensor with adjustable electrodes |
US8857256B2 (en) | 2012-06-27 | 2014-10-14 | Stantec Technology International, Inc. | Micromonitoring apparatus and method |
US9429588B2 (en) | 2012-08-16 | 2016-08-30 | Brickhouse Innovations, Llc | Electromagnetic boat speedometer having removable electrodes |
DE102013213345A1 (de) * | 2013-07-08 | 2015-01-08 | Vega Grieshaber Kg | Universelle Messdatenerfassung in Gewässern |
DE102013213340A1 (de) * | 2013-07-08 | 2015-01-08 | Vega Grieshaber Kg | Bestimmung einer Distanz und einer Fließgeschwindigkeit eines Mediums |
DE102013213346A1 (de) * | 2013-07-08 | 2015-01-08 | Vega Grieshaber Kg | Bestimmung von Pegel und Fließgeschwindigkeit eines Mediums |
US9482568B2 (en) * | 2013-09-03 | 2016-11-01 | Hadronex, Inc. | Detecting a sediment condition in a conduit |
JP6430338B2 (ja) * | 2015-07-07 | 2018-11-28 | 日立Geニュークリア・エナジー株式会社 | 流入量評価式導出方法及び流入量評価式導出装置、流入量導出方法及び流入量導出装置、機器のフラジリティ評価方法及び機器のフラジリティ評価装置、津波の確率論的リスク評価方法及び津波の確率論的リスク評価装置 |
CN106017577A (zh) * | 2016-06-22 | 2016-10-12 | 中国农业科学院农业资源与农业区划研究所 | 圩垸农田面源污染排水量监测装置及方法 |
US10295385B2 (en) | 2016-06-30 | 2019-05-21 | Hach Company | Flow meter with adaptable beam characteristics |
US10161770B2 (en) | 2016-06-30 | 2018-12-25 | Ott Hydromet Gmbh | Flow meter with adaptable beam characteristics |
US10408648B2 (en) | 2016-06-30 | 2019-09-10 | Hach Company | Flow meter with adaptable beam characteristics |
US10648847B2 (en) | 2016-09-25 | 2020-05-12 | Ads Llc | Level sensor with parabolic reflector |
US10957180B2 (en) * | 2017-05-12 | 2021-03-23 | Robert Levine | Confined space failsafe access system |
CN110530435A (zh) * | 2019-09-04 | 2019-12-03 | 浙江清环智慧科技有限公司 | 流量计量方法、装置、流量计量设备及可读存储介质 |
CA3232820A1 (en) * | 2021-09-24 | 2023-03-30 | Gerard Edwards | Flow and level monitor for fluid systems |
US11885653B2 (en) | 2021-09-24 | 2024-01-30 | Hydro Radar, LLC | Flow and level monitoring fluid system including nadir-facing and angle flow sensors with MIMO phase radar sensors |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4211111A (en) * | 1977-06-30 | 1980-07-08 | Petroff Peter D | Infiltration-inflow sewer line analyzer |
US4295197A (en) * | 1978-05-12 | 1981-10-13 | Petroff Peter D | Infiltration-inflow sewer line analyzer |
US4070563A (en) * | 1975-08-08 | 1978-01-24 | Petroff Peter D | Infiltration-inflow sewer line analyzer |
US4083246A (en) * | 1977-02-28 | 1978-04-11 | Marsh-Mcbirney, Inc. | Fluid flow meter |
US4221127A (en) * | 1978-01-11 | 1980-09-09 | Mcclure Charles A | Flow monitoring |
US4407158A (en) * | 1979-12-17 | 1983-10-04 | Petroff Peter D | Flow analyzer |
US4344329A (en) * | 1979-12-17 | 1982-08-17 | Petroff Peter D | Flow analyzer |
US5198989A (en) * | 1980-09-23 | 1993-03-30 | Ads Environmental Services, Inc. | Sewer flow measurement control system |
US4754641A (en) * | 1987-02-10 | 1988-07-05 | Schlumberger Technology Corporation | Method and apparatus for measurement of fluid flow in a drilling rig return line |
US5063776A (en) * | 1989-12-14 | 1991-11-12 | Anadrill, Inc. | Method and system for measurement of fluid flow in a drilling rig return line |
US5467650A (en) * | 1990-02-12 | 1995-11-21 | Cushing; Vincent J. | Open channel flowmeter |
DE4016529C1 (en) * | 1990-05-22 | 1991-11-07 | Turbo-Werk Messtechnik Gmbh, 5000 Koeln, De | Flowmeter for open duct - has flow sensor movable across channel to supply computer with flow speeds measured at several points |
US5371686A (en) * | 1992-03-30 | 1994-12-06 | Isco, Inc. | Ultrasonic fluid velocity measuring system |
US5315880A (en) * | 1992-08-13 | 1994-05-31 | Henry Filters, Inc. | Method for measuring fluid velocity by measuring the Doppler frequency shift or microwave signals |
-
1995
- 1995-08-21 US US08/517,214 patent/US5684250A/en not_active Expired - Lifetime
-
1996
- 1996-08-21 WO PCT/US1996/013291 patent/WO1997008515A2/en active IP Right Grant
- 1996-08-21 DE DE69630437T patent/DE69630437T2/de not_active Expired - Lifetime
- 1996-08-21 EP EP96928890A patent/EP0792441B1/de not_active Expired - Lifetime
- 1996-08-21 JP JP51034597A patent/JP3202992B2/ja not_active Expired - Fee Related
- 1996-08-21 AU AU68480/96A patent/AU6848096A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP0792441A2 (de) | 1997-09-03 |
DE69630437T2 (de) | 2004-07-29 |
EP0792441B1 (de) | 2003-10-22 |
WO1997008515A2 (en) | 1997-03-06 |
US5684250A (en) | 1997-11-04 |
WO1997008515A3 (en) | 1997-05-22 |
EP0792441A4 (de) | 1998-11-11 |
JP3202992B2 (ja) | 2001-08-27 |
JPH10508112A (ja) | 1998-08-04 |
AU6848096A (en) | 1997-03-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: HACH CO. (N.D.GES.D. STAATES DELAWARE), LOVELA, US |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: VOSSIUS & PARTNER, 81675 MUENCHEN |