GB985046A - Improvements in or relating to pressure gauges - Google Patents
Improvements in or relating to pressure gaugesInfo
- Publication number
- GB985046A GB985046A GB3529761A GB3529761A GB985046A GB 985046 A GB985046 A GB 985046A GB 3529761 A GB3529761 A GB 3529761A GB 3529761 A GB3529761 A GB 3529761A GB 985046 A GB985046 A GB 985046A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pressure
- fluid
- electrodes
- recording apparatus
- chamber
- Prior art date
- 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.)
- Expired
Links
- 239000004020 conductor Substances 0.000 abstract 2
- 239000013078 crystal Substances 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 2
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 abstract 1
- 229910002113 barium titanate Inorganic materials 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000002706 hydrostatic effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
- 229920002545 silicone oil Polymers 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
- G01V1/186—Hydrophones
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/08—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically
- G01L23/10—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by pressure-sensitive members of the piezoelectric type
-
- 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
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/008—Transmitting or indicating the displacement of flexible diaphragms using piezoelectric devices
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Geophysics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
985,046. Measuring electrically. PECHINEY COMPAGNIE DE PRODUITS CHIMIQUES ET ELECTRO-METALLURGIQUES. Sept.29, 1961 [Oct. 6, 1960], No. 35297/61. Heading G1N. In a pressure gauge one or more anisotropic piezo-electric elements are mounted in and subjected to the pressure of a fluid medium, at least one element having apair of electrodes to pick up e.m.f.s generated by the said pressure, and the or each element being mechanically biased by a force directed transversely of the electrodes. The embodiment shown, which is adapted for submarine use in the measurement of "microseisms", comprises a box 1 divided into two compartments 10, 20, the former being open to hydrostatic pressure through holes 3 in a cover 2, said pressure being transmitted via an elastic membrane 11 to a gasless inert liquid 13, e.g. silicone oil, surrounding spring-biased anisotropic piezo-electric crystals 12, e.g. discs of barium titanate. The voltage developed across the crystals is fed via a fluid-tight, insulated conductor 30 to the grid of an electrometer tube 21 in chamber 20, the output of the tube being supplied via a coupling device 5 to measuring and/or recording apparatus, e.g. a voltmeter. The time constant and sensitivity of the device are determined by a capacitor 22 also connected to the conductor 30. Chamber 20 is filled with a fluid under pressure. The gauge may be housed in a container with batteries and recording apparatus.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR840473A FR1282560A (en) | 1960-10-06 | 1960-10-06 | High sensitivity piezoelectric manometer; application to measurements concerning micro-earthquakes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB985046A true GB985046A (en) | 1965-03-03 |
Family
ID=8740285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3529761A Expired GB985046A (en) | 1960-10-06 | 1961-09-29 | Improvements in or relating to pressure gauges |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1282560A (en) |
| GB (1) | GB985046A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0173253A2 (en) * | 1984-08-30 | 1986-03-05 | Lang Apparatebau Gmbh | Dosing control device and method for use of the device |
| GB2170008A (en) * | 1985-01-19 | 1986-07-23 | Benham | Vibration detecting device |
-
1960
- 1960-10-06 FR FR840473A patent/FR1282560A/en not_active Expired
-
1961
- 1961-09-29 GB GB3529761A patent/GB985046A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0173253A2 (en) * | 1984-08-30 | 1986-03-05 | Lang Apparatebau Gmbh | Dosing control device and method for use of the device |
| EP0173253A3 (en) * | 1984-08-30 | 1987-10-28 | Lang Apparatebau Gmbh | Dosing control device and method for use of the device |
| GB2170008A (en) * | 1985-01-19 | 1986-07-23 | Benham | Vibration detecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1282560A (en) | 1962-01-27 |
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