SE447421B - Tryckavkennare som ger en utsignal proportionell mot egenfrekvensen hos en vibrerande balk - Google Patents
Tryckavkennare som ger en utsignal proportionell mot egenfrekvensen hos en vibrerande balkInfo
- Publication number
- SE447421B SE447421B SE8003555A SE8003555A SE447421B SE 447421 B SE447421 B SE 447421B SE 8003555 A SE8003555 A SE 8003555A SE 8003555 A SE8003555 A SE 8003555A SE 447421 B SE447421 B SE 447421B
- Authority
- SE
- Sweden
- Prior art keywords
- beam section
- vibrating
- pressure sensor
- frequency
- natural frequency
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 claims description 29
- 239000012212 insulator Substances 0.000 claims description 28
- 230000008859 change Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 11
- 230000010355 oscillation Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000012811 non-conductive material Substances 0.000 claims 3
- 239000000758 substrate Substances 0.000 claims 2
- 239000003380 propellant Substances 0.000 claims 1
- 239000000919 ceramic Substances 0.000 description 8
- 230000001133 acceleration Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 241000972773 Aulopiformes Species 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- -1 preferably Ni-Span C Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000019515 salmon Nutrition 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0033—Transmitting or indicating the displacement of bellows by electric, electromechanical, magnetic, or electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
- G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
- G01L13/023—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using bellows
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
- G01L9/0013—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a string
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3935679A | 1979-05-14 | 1979-05-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8003555L SE8003555L (sv) | 1981-01-15 |
| SE447421B true SE447421B (sv) | 1986-11-10 |
Family
ID=21905040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8003555A SE447421B (sv) | 1979-05-14 | 1980-05-12 | Tryckavkennare som ger en utsignal proportionell mot egenfrekvensen hos en vibrerande balk |
Country Status (7)
| Country | Link |
|---|---|
| JP (2) | JPS5629134A (enrdf_load_stackoverflow) |
| CA (1) | CA1141560A (enrdf_load_stackoverflow) |
| DE (1) | DE3018285A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2456945B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2049188B (enrdf_load_stackoverflow) |
| IL (1) | IL60034A (enrdf_load_stackoverflow) |
| SE (1) | SE447421B (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4384495A (en) * | 1980-11-17 | 1983-05-24 | Quartex, Inc. | Mounting system for applying forces to load-sensitive resonators |
| FR2509856A1 (fr) * | 1981-07-20 | 1983-01-21 | Crouzet Sa | Capteur de pression differentielle |
| US4531073A (en) * | 1983-05-31 | 1985-07-23 | Ohaus Scale Corporation | Piezoelectric crystal resonator with reduced impedance and sensitivity to change in humidity |
| GB8330583D0 (en) * | 1983-11-16 | 1984-01-18 | Schlumberger Electronics Uk | Pressure sensors |
| HU212353B (en) * | 1990-02-22 | 1996-06-28 | Istvan Almasi | Path-frequency signal transducer |
| JP2007217950A (ja) * | 2006-02-16 | 2007-08-30 | Takenaka Komuten Co Ltd | 点検口 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3479536A (en) * | 1967-03-14 | 1969-11-18 | Singer General Precision | Piezoelectric force transducer |
| GB1288378A (enrdf_load_stackoverflow) * | 1968-11-18 | 1972-09-06 | ||
| GB1234890A (en) * | 1969-12-23 | 1971-06-09 | Vni I Pk I Komplexnoi Avtom Ne | Pressure transducers |
| JPS5641928B2 (enrdf_load_stackoverflow) * | 1973-08-07 | 1981-10-01 | ||
| US4149422A (en) * | 1976-10-13 | 1979-04-17 | The Foxboro Company | Vibratory-wire pressure sensor |
-
1980
- 1980-05-06 GB GB8015001A patent/GB2049188B/en not_active Expired
- 1980-05-08 CA CA000351541A patent/CA1141560A/en not_active Expired
- 1980-05-09 IL IL6003480A patent/IL60034A/xx unknown
- 1980-05-12 SE SE8003555A patent/SE447421B/sv not_active IP Right Cessation
- 1980-05-13 DE DE19803018285 patent/DE3018285A1/de active Granted
- 1980-05-13 JP JP6234880A patent/JPS5629134A/ja active Granted
- 1980-05-13 FR FR8010729A patent/FR2456945B1/fr not_active Expired
-
1989
- 1989-05-29 JP JP13568289A patent/JPH03108628A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3018285C2 (enrdf_load_stackoverflow) | 1990-12-20 |
| GB2049188A (en) | 1980-12-17 |
| SE8003555L (sv) | 1981-01-15 |
| JPH0219892B2 (enrdf_load_stackoverflow) | 1990-05-07 |
| DE3018285A1 (de) | 1980-11-27 |
| JPH0551855B2 (enrdf_load_stackoverflow) | 1993-08-03 |
| IL60034A (en) | 1984-11-30 |
| JPH03108628A (ja) | 1991-05-08 |
| FR2456945B1 (fr) | 1985-06-14 |
| FR2456945A1 (fr) | 1980-12-12 |
| CA1141560A (en) | 1983-02-22 |
| GB2049188B (en) | 1984-02-01 |
| JPS5629134A (en) | 1981-03-23 |
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| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
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