DE3863615D1 - Optischer durchflussmengenmesser. - Google Patents
Optischer durchflussmengenmesser.Info
- Publication number
- DE3863615D1 DE3863615D1 DE8888202097T DE3863615T DE3863615D1 DE 3863615 D1 DE3863615 D1 DE 3863615D1 DE 8888202097 T DE8888202097 T DE 8888202097T DE 3863615 T DE3863615 T DE 3863615T DE 3863615 D1 DE3863615 D1 DE 3863615D1
- Authority
- DE
- Germany
- Prior art keywords
- flow meter
- optical flow
- optical
- meter
- flow
- 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 - Fee Related
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
- G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
- G01F1/708—Measuring the time taken to traverse a fixed distance
- G01F1/7086—Measuring the time taken to traverse a fixed distance using optical detecting arrangements
-
- 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
- G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
- G01F1/708—Measuring the time taken to traverse a fixed distance
- G01F1/712—Measuring the time taken to traverse a fixed distance using auto-correlation or cross-correlation detection means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/18—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance
- G01P5/20—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance using particles entrained by a fluid stream
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878722744A GB8722744D0 (en) | 1987-09-28 | 1987-09-28 | Optical flow member |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3863615D1 true DE3863615D1 (de) | 1991-08-14 |
Family
ID=10624476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888202097T Expired - Fee Related DE3863615D1 (de) | 1987-09-28 | 1988-09-26 | Optischer durchflussmengenmesser. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0311176B1 (de) |
JP (1) | JPH01114720A (de) |
CA (1) | CA1332980C (de) |
DE (1) | DE3863615D1 (de) |
GB (1) | GB8722744D0 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4230919A1 (de) * | 1992-09-16 | 1994-03-17 | Schoettler Markus Dipl Geol | Einzel-Bohrloch-Verfahren und -Vorrichtung zur gleichzeitigen Ermittlung der Grundwasser-Strömungsrichtung und -geschwindigkeit |
US5701172A (en) * | 1995-06-07 | 1997-12-23 | Gas Research Institute | Optical flowmeter |
GB2391304B (en) | 2002-07-16 | 2004-09-15 | Paul Crudge | Flow meter |
CA3134087A1 (en) * | 2019-03-07 | 2020-09-10 | Flowlit Ltd. | Optical fluid flow velocity measurement |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3941477A (en) * | 1974-10-17 | 1976-03-02 | Deutsche Forschungs-Und Versuchsanstalt Fur Luft-Und Raumfahrt E.V. | Measuring device for the measurement of fluid flow rates |
GB2057141B (en) * | 1979-08-03 | 1983-07-20 | Nat Res Dev | Method and apparatus for sensing fluid flow |
US4429995A (en) * | 1980-07-21 | 1984-02-07 | National Research Development Corporation | Two dimensinal flow analyzer |
DD203140A1 (de) * | 1981-12-16 | 1983-10-12 | Leuna Werke Veb | Verfahren und vorrichtung zur transportkenngroessenmessung in mehrphasengemischen |
-
1987
- 1987-09-28 GB GB878722744A patent/GB8722744D0/en active Pending
-
1988
- 1988-09-14 CA CA000577314A patent/CA1332980C/en not_active Expired - Fee Related
- 1988-09-26 JP JP63240631A patent/JPH01114720A/ja active Pending
- 1988-09-26 EP EP88202097A patent/EP0311176B1/de not_active Expired
- 1988-09-26 DE DE8888202097T patent/DE3863615D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH01114720A (ja) | 1989-05-08 |
EP0311176B1 (de) | 1991-07-10 |
EP0311176A1 (de) | 1989-04-12 |
GB8722744D0 (en) | 1987-11-04 |
CA1332980C (en) | 1994-11-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |