IT8047527A0 - Perfezionamento nei trasduttori di differenza di pressione di tipo capacitivo - Google Patents
Perfezionamento nei trasduttori di differenza di pressione di tipo capacitivoInfo
- Publication number
- IT8047527A0 IT8047527A0 IT8047527A IT4752780A IT8047527A0 IT 8047527 A0 IT8047527 A0 IT 8047527A0 IT 8047527 A IT8047527 A IT 8047527A IT 4752780 A IT4752780 A IT 4752780A IT 8047527 A0 IT8047527 A0 IT 8047527A0
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- pressure difference
- capacitive pressure
- difference transducers
- transducers
- Prior art date
Links
Classifications
-
- 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
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/005,936 US4403513A (en) | 1979-01-24 | 1979-01-24 | Capacitive differential pressure transducer |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8047527A0 true IT8047527A0 (it) | 1980-01-07 |
IT1126866B IT1126866B (it) | 1986-05-21 |
Family
ID=21718445
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT47527/80A IT1126866B (it) | 1979-01-24 | 1980-01-07 | Perfezionamento nei trasduttori di differenza di pressione di tipo capacitivo |
IT8047616A IT1127556B (it) | 1979-01-24 | 1980-01-16 | Perfezionamento nelle servovalvole elettroidrauliche |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8047616A IT1127556B (it) | 1979-01-24 | 1980-01-16 | Perfezionamento nelle servovalvole elettroidrauliche |
Country Status (8)
Country | Link |
---|---|
US (1) | US4403513A (it) |
JP (1) | JPS55136926A (it) |
AU (1) | AU5448880A (it) |
DE (1) | DE3002268A1 (it) |
FR (1) | FR2447545A1 (it) |
GB (1) | GB2040474A (it) |
IT (2) | IT1126866B (it) |
SE (1) | SE8000166L (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2570420B2 (ja) * | 1988-06-23 | 1997-01-08 | 富士電機株式会社 | 静電容量式圧力検出器 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR895938A (fr) * | 1943-02-24 | 1945-02-07 | Manolimnigraphe à membrane métallique | |
US3000215A (en) * | 1951-09-27 | 1961-09-19 | John V Atanasoff | Microbarophone |
US2800796A (en) * | 1952-08-05 | 1957-07-30 | Trans Souics Inc | Pressure measuring device |
US2753515A (en) * | 1952-09-03 | 1956-07-03 | Edward J Rickner | Capacitor type differential pressure switch |
US2751530A (en) * | 1954-01-04 | 1956-06-19 | Honeywell Regulator Co | Differential pressure sensing unit |
US2907320A (en) * | 1954-01-11 | 1959-10-06 | Texas Instruments Inc | Pressure capacitance transducer |
US3354721A (en) * | 1965-10-23 | 1967-11-28 | Augustus H Fiske | Pressure gaging systems of apparatus |
GB1147080A (en) * | 1967-03-01 | 1969-04-02 | Wayne Kerr Company Ltd | Improvements in or relating to pressure transducers |
GB1354025A (en) * | 1970-05-25 | 1974-06-05 | Medicor Muevek | Capacitive pressure transducer |
US3691842A (en) * | 1970-09-08 | 1972-09-19 | Beckman Instruments Inc | Differential pressure transducer |
JPS587182B2 (ja) * | 1974-03-08 | 1983-02-08 | 横河電機株式会社 | サアツオウドウソウチ |
US4120206A (en) * | 1977-01-17 | 1978-10-17 | Rosemount Inc. | Differential pressure sensor capsule with low acceleration sensitivity |
-
1979
- 1979-01-24 US US06/005,936 patent/US4403513A/en not_active Expired - Lifetime
-
1980
- 1980-01-07 IT IT47527/80A patent/IT1126866B/it active
- 1980-01-09 SE SE8000166A patent/SE8000166L/ not_active Application Discontinuation
- 1980-01-09 AU AU54488/80A patent/AU5448880A/en not_active Abandoned
- 1980-01-16 IT IT8047616A patent/IT1127556B/it active
- 1980-01-17 GB GB8001612A patent/GB2040474A/en active Pending
- 1980-01-21 FR FR8001254A patent/FR2447545A1/fr active Pending
- 1980-01-23 DE DE19803002268 patent/DE3002268A1/de not_active Withdrawn
- 1980-01-24 JP JP639980A patent/JPS55136926A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
IT8047616A0 (it) | 1980-01-16 |
AU5448880A (en) | 1980-07-31 |
FR2447545A1 (fr) | 1980-08-22 |
US4403513A (en) | 1983-09-13 |
SE8000166L (sv) | 1980-07-25 |
DE3002268A1 (de) | 1980-09-11 |
IT1127556B (it) | 1986-05-21 |
GB2040474A (en) | 1980-08-28 |
JPS55136926A (en) | 1980-10-25 |
IT1126866B (it) | 1986-05-21 |
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