NL7801401A - SYSTEM FOR MEASURING THE SPEED AND / OR THE FLOW OF A FLUIDUM. - Google Patents
SYSTEM FOR MEASURING THE SPEED AND / OR THE FLOW OF A FLUIDUM.Info
- Publication number
- NL7801401A NL7801401A NL7801401A NL7801401A NL7801401A NL 7801401 A NL7801401 A NL 7801401A NL 7801401 A NL7801401 A NL 7801401A NL 7801401 A NL7801401 A NL 7801401A NL 7801401 A NL7801401 A NL 7801401A
- Authority
- NL
- Netherlands
- Prior art keywords
- fluidum
- measuring
- speed
- flow
- Prior art date
Links
Classifications
-
- 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
- G01P5/24—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 direct influence of the streaming fluid on the properties of a detecting acoustical wave
- G01P5/245—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 direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
-
- 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
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7801401A NL7801401A (en) | 1978-02-07 | 1978-02-07 | SYSTEM FOR MEASURING THE SPEED AND / OR THE FLOW OF A FLUIDUM. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7801401A NL7801401A (en) | 1978-02-07 | 1978-02-07 | SYSTEM FOR MEASURING THE SPEED AND / OR THE FLOW OF A FLUIDUM. |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7801401A true NL7801401A (en) | 1979-08-09 |
Family
ID=19830290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7801401A NL7801401A (en) | 1978-02-07 | 1978-02-07 | SYSTEM FOR MEASURING THE SPEED AND / OR THE FLOW OF A FLUIDUM. |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL7801401A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1980000876A1 (en) * | 1978-10-25 | 1980-05-01 | Rheometron Ag | A device for measuring the flow velocity of fluids |
EP0829734A2 (en) * | 1996-09-11 | 1998-03-18 | Siemens Aktiengesellschaft | Method and device for measuring the difference in time of travel of an electrical, electromagnetic or acoustic signal |
-
1978
- 1978-02-07 NL NL7801401A patent/NL7801401A/en not_active Application Discontinuation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1980000876A1 (en) * | 1978-10-25 | 1980-05-01 | Rheometron Ag | A device for measuring the flow velocity of fluids |
EP0829734A2 (en) * | 1996-09-11 | 1998-03-18 | Siemens Aktiengesellschaft | Method and device for measuring the difference in time of travel of an electrical, electromagnetic or acoustic signal |
EP0829734A3 (en) * | 1996-09-11 | 1998-09-23 | Siemens Aktiengesellschaft | Method and device for measuring the difference in time of travel of an electrical, electromagnetic or acoustic signal |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
BV | The patent application has lapsed |