DE2263768A1 - - Google Patents
Info
- Publication number
- DE2263768A1 DE2263768A1 DE19722263768 DE2263768A DE2263768A1 DE 2263768 A1 DE2263768 A1 DE 2263768A1 DE 19722263768 DE19722263768 DE 19722263768 DE 2263768 A DE2263768 A DE 2263768A DE 2263768 A1 DE2263768 A1 DE 2263768A1
- Authority
- DE
- Germany
- 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.)
- Granted
Links
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
- G01F15/022—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
-
- 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
-
- 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
- G01F1/72—Devices for measuring pulsing fluid flows
-
- 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
- G01F15/06—Indicating or recording devices
- G01F15/061—Indicating or recording devices for remote indication
- G01F15/063—Indicating or recording devices for remote indication using electrical means
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2263768A DE2263768C2 (de) | 1972-12-28 | 1972-12-28 | Verfahren und Vorrichtung zum Messen des mittleren Durchflusses einer eine Flüssigkeit diskontinuierlich fördernden Pumpe |
| GB5759473A GB1453731A (en) | 1972-12-28 | 1973-12-12 | Measurement of rate of flow of a fluid pumped by a cyclically operating pump |
| CH1774973A CH569260A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-12-28 | 1973-12-17 | |
| US426416A US3872723A (en) | 1972-12-28 | 1973-12-19 | Method and apparatus for measuring the average liquid flow of a reciprocatory pump |
| NL7317497A NL7317497A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-12-28 | 1973-12-20 | |
| JP49001413A JPS4993049A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-12-28 | 1973-12-28 | |
| JP1982155490U JPS5914734Y2 (ja) | 1972-12-28 | 1982-10-14 | 平均流量測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2263768A DE2263768C2 (de) | 1972-12-28 | 1972-12-28 | Verfahren und Vorrichtung zum Messen des mittleren Durchflusses einer eine Flüssigkeit diskontinuierlich fördernden Pumpe |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2263768B1 DE2263768B1 (de) | 1974-04-11 |
| DE2263768A1 true DE2263768A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-04-11 |
| DE2263768C2 DE2263768C2 (de) | 1974-11-14 |
Family
ID=5865637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2263768A Expired DE2263768C2 (de) | 1972-12-28 | 1972-12-28 | Verfahren und Vorrichtung zum Messen des mittleren Durchflusses einer eine Flüssigkeit diskontinuierlich fördernden Pumpe |
Country Status (6)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4624625A (en) * | 1981-10-08 | 1986-11-25 | Hewlett-Packard Company | High pressure metering pump |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4011757A (en) * | 1975-05-14 | 1977-03-15 | Floscan Instrument Company, Inc. | Device for bypassing flow rate pulsations around a flow rate transducer |
| US4331262A (en) * | 1978-04-07 | 1982-05-25 | New Brunswick Scientific Co., Inc. | Calibratable automatic fluid dispenser |
| US4882781A (en) * | 1981-09-09 | 1989-11-21 | Isco, Inc. | Method for predicting steady-state conditions |
| US5040126A (en) * | 1981-09-09 | 1991-08-13 | Isco, Inc. | Method for predicting steady-state conditions |
| FR2573136B1 (fr) * | 1984-11-15 | 1989-03-31 | Schlumberger Cie Dowell | Procede d'observation des caracteristiques de pompage sur une pompe a deplacement positif et pompe permettant de mettre en oeuvre ce procede. |
| US4715786A (en) * | 1984-12-14 | 1987-12-29 | Cole-Parmer Instrument Company | Control method and apparatus for peristaltic fluid pump |
| US5614089A (en) * | 1990-07-13 | 1997-03-25 | Isco, Inc. | Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography |
| US5653885A (en) * | 1990-07-13 | 1997-08-05 | Isco, Inc. | Apparatus and method for supercritical fluid extraction |
| US5690828A (en) * | 1990-07-13 | 1997-11-25 | Isco, Inc. | Apparatus and method for supercritical fluid extraction |
| US5601707A (en) * | 1990-07-13 | 1997-02-11 | Isco, Inc. | Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography |
| US5932095A (en) * | 1990-07-13 | 1999-08-03 | Isco, Inc. | Multi-chambered supercritical fluid extraction cartridge |
| US5635070A (en) * | 1990-07-13 | 1997-06-03 | Isco, Inc. | Apparatus and method for supercritical fluid extraction |
| US5269930A (en) * | 1990-07-13 | 1993-12-14 | Isco, Inc. | Apparatus and method for supercritical fluid extraction |
| JP2009530615A (ja) * | 2006-03-17 | 2009-08-27 | ウオーターズ・インベストメンツ・リミテツド | 流体完全性を維持し、グラジエントを予備成形する液体クロマトグラフィ用溶媒送液システム |
| DE102011052848B4 (de) * | 2011-08-19 | 2017-02-09 | Dionex Softron Gmbh | Vorrichtung zur Steuerung einer Kolbenpumpeneinheit für die Flüssigkeitschromatographie |
| GB2526394A (en) * | 2014-02-28 | 2015-11-25 | Waters Technologies Corp | Dispensing needle for a fraction collector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2892346A (en) * | 1955-06-03 | 1959-06-30 | Sargent Jack | Volume flowmeter |
| US3714828A (en) * | 1970-10-26 | 1973-02-06 | G Durkan | Fluidic digital pneumotachometer |
-
1972
- 1972-12-28 DE DE2263768A patent/DE2263768C2/de not_active Expired
-
1973
- 1973-12-12 GB GB5759473A patent/GB1453731A/en not_active Expired
- 1973-12-17 CH CH1774973A patent/CH569260A5/xx not_active IP Right Cessation
- 1973-12-19 US US426416A patent/US3872723A/en not_active Expired - Lifetime
- 1973-12-20 NL NL7317497A patent/NL7317497A/xx not_active Application Discontinuation
- 1973-12-28 JP JP49001413A patent/JPS4993049A/ja active Pending
-
1982
- 1982-10-14 JP JP1982155490U patent/JPS5914734Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4624625A (en) * | 1981-10-08 | 1986-11-25 | Hewlett-Packard Company | High pressure metering pump |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2263768B1 (de) | 1974-04-11 |
| NL7317497A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-07-02 |
| US3872723A (en) | 1975-03-25 |
| JPS5892621U (ja) | 1983-06-23 |
| DE2263768C2 (de) | 1974-11-14 |
| JPS4993049A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-09-04 |
| CH569260A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-11-14 |
| JPS5914734Y2 (ja) | 1984-05-01 |
| GB1453731A (en) | 1976-10-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |