FR2259354A1 - - Google Patents
Info
- Publication number
- FR2259354A1 FR2259354A1 FR7443247A FR7443247A FR2259354A1 FR 2259354 A1 FR2259354 A1 FR 2259354A1 FR 7443247 A FR7443247 A FR 7443247A FR 7443247 A FR7443247 A FR 7443247A FR 2259354 A1 FR2259354 A1 FR 2259354A1
- Authority
- FR
- France
- 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.)
- Withdrawn
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
- G01F1/05—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
- G01F1/20—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 detection of dynamic effects of the flow
- G01F1/32—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 detection of dynamic effects of the flow using swirl flowmeters
- G01F1/325—Means for detecting quantities used as proxy variables for swirl
- G01F1/3282—Means for detecting quantities used as proxy variables for swirl for detecting variations in infrasonic, sonic or ultrasonic waves, due to modulation by passing through the swirling fluid
-
- 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
- G01F1/20—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 detection of dynamic effects of the flow
- G01F1/32—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 detection of dynamic effects of the flow using swirl flowmeters
- G01F1/325—Means for detecting quantities used as proxy variables for swirl
- G01F1/3287—Means for detecting quantities used as proxy variables for swirl circuits therefor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4261/74A GB1482561A (en) | 1974-01-30 | 1974-01-30 | Device for and a method of monitoring fluid flow |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2259354A1 true FR2259354A1 (fr) | 1975-08-22 |
Family
ID=9773782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7443247A Withdrawn FR2259354A1 (fr) | 1974-01-30 | 1974-12-30 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS50109763A (fr) |
DE (1) | DE2453765A1 (fr) |
FR (1) | FR2259354A1 (fr) |
GB (1) | GB1482561A (fr) |
IT (1) | IT1035097B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0022828B1 (fr) * | 1979-01-11 | 1985-09-04 | J-Tec Associates, Inc. | Procede et appareil pour determiner le debit de masse d'un courrant de fluide |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4567776A (en) * | 1982-06-30 | 1986-02-04 | Kubota Trane Ltd. | Fluid flowmeter of Karman vortex detecting type |
IT1311771B1 (it) * | 1999-02-24 | 2002-03-19 | Giorgio Bergamini | Misuratore perfezionato della portata di gas con gli ultrasuoni basato su specchi parabolici. |
DE102006041531B4 (de) * | 2006-09-05 | 2008-10-02 | Continental Automotive Gmbh | Schaltungsanordnung zum bidirektionalen Betrieb von an den Enden einer Messstrecke angeordneten Schallwandlern |
CN111351958B (zh) * | 2018-12-21 | 2021-11-02 | 上海华虹计通智能系统股份有限公司 | 时延检测方法及装置、流体速度测量方法及系统 |
-
1974
- 1974-01-30 GB GB4261/74A patent/GB1482561A/en not_active Expired
- 1974-11-13 DE DE19742453765 patent/DE2453765A1/de not_active Withdrawn
- 1974-12-30 FR FR7443247A patent/FR2259354A1/fr not_active Withdrawn
-
1975
- 1975-01-28 JP JP50011057A patent/JPS50109763A/ja active Pending
- 1975-01-28 IT IT7547874A patent/IT1035097B/it active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0022828B1 (fr) * | 1979-01-11 | 1985-09-04 | J-Tec Associates, Inc. | Procede et appareil pour determiner le debit de masse d'un courrant de fluide |
Also Published As
Publication number | Publication date |
---|---|
GB1482561A (en) | 1977-08-10 |
JPS50109763A (fr) | 1975-08-29 |
IT1035097B (it) | 1979-10-20 |
DE2453765A1 (de) | 1975-08-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |