JPS50109763A - - Google Patents
Info
- Publication number
- JPS50109763A JPS50109763A JP50011057A JP1105775A JPS50109763A JP S50109763 A JPS50109763 A JP S50109763A JP 50011057 A JP50011057 A JP 50011057A JP 1105775 A JP1105775 A JP 1105775A JP S50109763 A JPS50109763 A JP S50109763A
- Authority
- JP
- Japan
- 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.)
- Pending
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 |
|---|---|
| JPS50109763A true JPS50109763A (xx) | 1975-08-29 |
Family
ID=9773782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50011057A Pending JPS50109763A (xx) | 1974-01-30 | 1975-01-28 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS50109763A (xx) |
| DE (1) | DE2453765A1 (xx) |
| FR (1) | FR2259354A1 (xx) |
| GB (1) | GB1482561A (xx) |
| IT (1) | IT1035097B (xx) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002538421A (ja) * | 1999-02-24 | 2002-11-12 | ベルガミニ、ジオルジオ | 超音波により気体流量を測定するための改良測定システム |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU537006B2 (en) * | 1979-01-11 | 1984-05-31 | J-Tec Associates Inc. | Density and flowrate of fluid |
| US4567776A (en) * | 1982-06-30 | 1986-02-04 | Kubota Trane Ltd. | Fluid flowmeter of Karman vortex detecting type |
| 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 IT IT7547874A patent/IT1035097B/it active
- 1975-01-28 JP JP50011057A patent/JPS50109763A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002538421A (ja) * | 1999-02-24 | 2002-11-12 | ベルガミニ、ジオルジオ | 超音波により気体流量を測定するための改良測定システム |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2259354A1 (xx) | 1975-08-22 |
| DE2453765A1 (de) | 1975-08-07 |
| GB1482561A (en) | 1977-08-10 |
| IT1035097B (it) | 1979-10-20 |