CA1066089A - Flowmeter correction circuit - Google Patents
Flowmeter correction circuitInfo
- Publication number
- CA1066089A CA1066089A CA262,610A CA262610A CA1066089A CA 1066089 A CA1066089 A CA 1066089A CA 262610 A CA262610 A CA 262610A CA 1066089 A CA1066089 A CA 1066089A
- Authority
- CA
- Canada
- Prior art keywords
- circuit
- pulse
- input
- flowmeter
- output
- 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
Links
- 238000012937 correction Methods 0.000 title claims abstract description 25
- 230000001419 dependent effect Effects 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 claims description 26
- 230000000903 blocking effect Effects 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 11
- 230000003534 oscillatory effect Effects 0.000 claims description 4
- 230000003466 anti-cipated effect Effects 0.000 claims description 2
- 230000003111 delayed effect Effects 0.000 claims description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241001125843 Trichiuridae Species 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/02—Compensating or correcting for variations in pressure, density or temperature
- G01F15/04—Compensating or correcting for variations in pressure, density or temperature of gases to be measured
- G01F15/043—Compensating or correcting for variations in pressure, density or temperature of gases to be measured using electrical means
- G01F15/046—Compensating or correcting for variations in pressure, density or temperature of gases to be measured using electrical means involving digital counting
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/02—Compensating or correcting for variations in pressure, density or temperature
- G01F15/022—Compensating or correcting for variations in pressure, density or temperature using electrical means
- G01F15/024—Compensating or correcting for variations in pressure, density or temperature using electrical means involving digital counting
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 |
|---|---|---|---|
| GB41130/75A GB1543319A (en) | 1975-10-08 | 1975-10-08 | Correction circuit for fluid flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1066089A true CA1066089A (en) | 1979-11-13 |
Family
ID=10418246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA262,610A Expired CA1066089A (en) | 1975-10-08 | 1976-10-04 | Flowmeter correction circuit |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4093871A (enExample) |
| CA (1) | CA1066089A (enExample) |
| FR (1) | FR2327521A1 (enExample) |
| GB (1) | GB1543319A (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4238825A (en) * | 1978-10-02 | 1980-12-09 | Dresser Industries, Inc. | Equivalent standard volume correction systems for gas meters |
| DE2926451A1 (de) * | 1979-06-30 | 1981-01-15 | Scheidt & Bachmann Gmbh | Volumenzaehler mit beweglichen trennwaenden |
| DE3531118A1 (de) * | 1985-08-30 | 1987-03-12 | Micro Epsilon Messtechnik | Verfahren zur fehlerkompensation fuer messwertaufnehmer mit nicht linearen kennlinien, sowie anordnung zur durchfuehrung des verfahrens |
| US4829449A (en) * | 1986-02-05 | 1989-05-09 | Rockwell International Corporation | Method and apparatus for measuring and providing corrected gas flow |
| US4692933A (en) * | 1986-03-24 | 1987-09-08 | The Babcock & Wilcox Company | Electro-mechanical integrator |
| US5056554A (en) * | 1987-02-20 | 1991-10-15 | White F Grove | Fluid loss, damage prevention and control system |
| CA1293568C (en) * | 1987-10-01 | 1991-12-24 | Romet Limited | Electronic volume correctors |
| US4918995A (en) * | 1988-01-04 | 1990-04-24 | Gas Research Institute | Electronic gas meter |
| US4881183A (en) * | 1988-03-25 | 1989-11-14 | Sun Electric Corporation | Method and apparatus for emission testing |
| US5503175A (en) * | 1994-12-22 | 1996-04-02 | Ravilious; Paul W. | Water safety system |
| US5737614A (en) * | 1996-06-27 | 1998-04-07 | International Business Machines Corporation | Dynamic control of power consumption in self-timed circuits |
| US5761517A (en) * | 1996-08-14 | 1998-06-02 | International Business Machines Corporation | System and method for reducing power consumption in high frequency clocked circuits |
| EP0933619A1 (de) * | 1998-01-28 | 1999-08-04 | Hectronic GmbH | Verfahren und Vorrichtung zur kontinuierlichen Messung und Umwertung eines Flüssigkeitsvolumens auf eine Bezugstemperatur |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3610898A (en) * | 1968-06-20 | 1971-10-05 | Oval Eng Co Ltd | System for correcting each unit amount of a quantity being measured and integrating corrected values |
| US3614892A (en) * | 1969-04-11 | 1971-10-26 | M & J Valve Co | Flowmeter temperature compensation system and method |
| US3688573A (en) * | 1970-11-12 | 1972-09-05 | Combustion Eng | Means for determining flow rate and volume of a flowing fluid mass |
| US3691838A (en) * | 1971-01-29 | 1972-09-19 | Itt | Pulse system and components thereof |
| US3745827A (en) * | 1971-02-16 | 1973-07-17 | Smith Corp A O | Temperature compensation of a liquid flowmeter |
| JPS5330343B2 (enExample) * | 1972-10-09 | 1978-08-26 | ||
| US3823310A (en) * | 1973-01-08 | 1974-07-09 | Itt | Pulse train modification circuit |
| SE377612B (enExample) * | 1973-11-09 | 1975-07-14 | T L B Greverus | |
| US4005603A (en) * | 1975-09-03 | 1977-02-01 | Airco, Inc. | Apparatus for measuring fluid flow |
-
1975
- 1975-10-08 GB GB41130/75A patent/GB1543319A/en not_active Expired
-
1976
- 1976-10-04 CA CA262,610A patent/CA1066089A/en not_active Expired
- 1976-10-06 US US05/730,033 patent/US4093871A/en not_active Expired - Lifetime
- 1976-10-08 FR FR7630298A patent/FR2327521A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4093871A (en) | 1978-06-06 |
| FR2327521B1 (enExample) | 1982-05-07 |
| GB1543319A (en) | 1979-04-04 |
| FR2327521A1 (fr) | 1977-05-06 |
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