NL7607346A - SWITCHING DEVICE FOR DETERMINING PHYSICAL UNITS, IN PARTICULAR THE FLOW SPEED OF FLOWING MEDIA, ACCORDING TO THE ULTRASONIC METHOD. - Google Patents
SWITCHING DEVICE FOR DETERMINING PHYSICAL UNITS, IN PARTICULAR THE FLOW SPEED OF FLOWING MEDIA, ACCORDING TO THE ULTRASONIC METHOD.Info
- Publication number
- NL7607346A NL7607346A NL7607346A NL7607346A NL7607346A NL 7607346 A NL7607346 A NL 7607346A NL 7607346 A NL7607346 A NL 7607346A NL 7607346 A NL7607346 A NL 7607346A NL 7607346 A NL7607346 A NL 7607346A
- Authority
- NL
- Netherlands
- Prior art keywords
- switching device
- flow speed
- physical units
- ultrasonic method
- determining physical
- 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)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Aviation & Aerospace Engineering (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Fluid Mechanics (AREA)
- Measuring Volume Flow (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Percussion Or Vibration Massage (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752530114 DE2530114C2 (en) | 1975-07-05 | Circuit arrangement for determining physical quantities of flowing media, in particular the flow velocity, according to the ultrasonic method |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7607346A true NL7607346A (en) | 1977-01-07 |
NL185102B NL185102B (en) | 1989-08-16 |
NL185102C NL185102C (en) | 1990-01-16 |
Family
ID=5950777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7607346,A NL185102C (en) | 1975-07-05 | 1976-07-02 | APPARATUS FOR DETERMINING PHYSICAL COMPONENTS, IN PARTICULAR THE FLOW RATE OF FLOWING MEDIA BY THE ULTRASONIC METHOD. |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5836728B2 (en) |
CH (1) | CH612764A5 (en) |
DK (1) | DK302676A (en) |
FR (1) | FR2317657A1 (en) |
GB (1) | GB1551742A (en) |
IT (1) | IT1071228B (en) |
NL (1) | NL185102C (en) |
NO (1) | NO142687C (en) |
SE (1) | SE407859B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57168115A (en) * | 1981-04-10 | 1982-10-16 | Toshiba Corp | Ultrasonic wave flow speed measuring device |
JPS6125639A (en) * | 1984-07-13 | 1986-02-04 | Res Dev Corp Of Japan | Adsorbent |
JPS60193538A (en) * | 1984-03-09 | 1985-10-02 | Res Dev Corp Of Japan | Adsorbent |
JPS6238238A (en) * | 1985-08-14 | 1987-02-19 | Res Dev Corp Of Japan | Adsorbent |
JPH06197B2 (en) * | 1990-07-16 | 1994-01-05 | 新技術事業団 | Adsorbent |
EP2383550A1 (en) * | 2010-04-28 | 2011-11-02 | Miitors ApS | Ultrasonic flow meter |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3231724A (en) * | 1961-03-31 | 1966-01-25 | Systems Inc Comp | Dynamic storage analog computer |
GB1361613A (en) * | 1970-11-24 | 1974-07-30 | Solartron Electronic Group | Analogue to digital converters |
BE788936A (en) * | 1971-09-27 | 1973-03-19 | Cit Alcatel | CONTINUOUS CURRENT COMPENSATOR |
-
1976
- 1976-06-17 NO NO762106A patent/NO142687C/en unknown
- 1976-07-01 SE SE7607502A patent/SE407859B/en unknown
- 1976-07-02 FR FR7620405A patent/FR2317657A1/en active Granted
- 1976-07-02 NL NLAANVRAGE7607346,A patent/NL185102C/en not_active IP Right Cessation
- 1976-07-02 CH CH847676A patent/CH612764A5/en not_active IP Right Cessation
- 1976-07-05 IT IT68671/76A patent/IT1071228B/en active
- 1976-07-05 DK DK302676A patent/DK302676A/en not_active Application Discontinuation
- 1976-07-05 GB GB27939/76A patent/GB1551742A/en not_active Expired
- 1976-07-05 JP JP51079785A patent/JPS5836728B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NO142687C (en) | 1980-09-24 |
IT1071228B (en) | 1985-04-02 |
NL185102C (en) | 1990-01-16 |
CH612764A5 (en) | 1979-08-15 |
NO762106L (en) | 1977-01-06 |
DK302676A (en) | 1977-01-06 |
DE2530114B1 (en) | 1976-12-30 |
GB1551742A (en) | 1979-08-30 |
NO142687B (en) | 1980-06-16 |
JPS529478A (en) | 1977-01-25 |
NL185102B (en) | 1989-08-16 |
JPS5836728B2 (en) | 1983-08-11 |
SE407859B (en) | 1979-04-23 |
FR2317657B1 (en) | 1980-08-29 |
FR2317657A1 (en) | 1977-02-04 |
SE7607502L (en) | 1977-01-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |