IT1058608B - Pervettori di pressione che impopiegano fluidi ferromagnetici - Google Patents
Pervettori di pressione che impopiegano fluidi ferromagneticiInfo
- Publication number
- IT1058608B IT1058608B IT21356/76A IT2135676A IT1058608B IT 1058608 B IT1058608 B IT 1058608B IT 21356/76 A IT21356/76 A IT 21356/76A IT 2135676 A IT2135676 A IT 2135676A IT 1058608 B IT1058608 B IT 1058608B
- Authority
- IT
- Italy
- Prior art keywords
- use ferromagnetic
- pressure distributors
- ferromagnetic fluids
- fluids
- distributors
- Prior art date
Links
- 230000005294 ferromagnetic effect Effects 0.000 title 1
- 239000012530 fluid Substances 0.000 title 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
- G01L9/0091—Transmitting or indicating the displacement of liquid mediums by electrical, electromechanical, magnetic or electromagnetic means
- G01L9/0094—Transmitting or indicating the displacement of liquid mediums by electrical, electromechanical, magnetic or electromagnetic means using variations in inductance
-
- 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
- G01L9/007—Transmitting or indicating the displacement of flexible diaphragms using variations in inductance
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 |
|---|---|---|---|
| US05/560,057 US3956938A (en) | 1975-03-20 | 1975-03-20 | Pressure sensors utilizing ferromagnetic fluids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1058608B true IT1058608B (it) | 1982-05-10 |
Family
ID=24236166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT21356/76A IT1058608B (it) | 1975-03-20 | 1976-03-18 | Pervettori di pressione che impopiegano fluidi ferromagnetici |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3956938A (it) |
| JP (1) | JPS51114974A (it) |
| CA (1) | CA1039529A (it) |
| DE (1) | DE2605607A1 (it) |
| FR (1) | FR2304910A1 (it) |
| GB (1) | GB1497231A (it) |
| IT (1) | IT1058608B (it) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3605344A1 (de) * | 1986-02-17 | 1987-08-20 | Oelsch Kg | Messgeber fuer hydrauliksysteme |
| JPS63120138U (it) * | 1987-01-29 | 1988-08-03 | ||
| FR2641575B1 (fr) * | 1989-01-11 | 1991-05-17 | Guilcher Guy | Dispositif de detection des augmentations de pression dans les carters des moteurs a combustion interne |
| FR2671870A1 (fr) * | 1991-01-18 | 1992-07-24 | Centre Nat Rech Scient | Capteurs de force a ferrofluide. |
| US5396802A (en) * | 1993-08-26 | 1995-03-14 | Viatran Corporation | Differential pressure transducer utilizing a variable ferrofluid keeper as an active magnetic circuit element |
| DE202004001658U1 (de) * | 2004-02-03 | 2005-06-09 | Ceno Tec Gmbh Textile Konstruktionen | Einrichtung zur Absicherung eines Speicherbehälters, insbesondere eines Niederdruckgasspeichers, gegen Überdruck und gegen Unterdruck |
| US7395714B2 (en) * | 2004-09-16 | 2008-07-08 | The Boeing Company | Magnetically attracted inspecting apparatus and method using a ball bearing |
| US7320249B2 (en) * | 2004-09-16 | 2008-01-22 | The Boeing Company | Magnetically attracted inspecting apparatus and method using a fluid bearing |
| EP2322906B1 (de) * | 2009-11-11 | 2016-03-30 | Micronas GmbH | Drucksensor |
| DE102010061898B4 (de) * | 2010-11-24 | 2016-07-07 | Endress + Hauser Gmbh + Co. Kg | Druckmittler und Druckmessaufnehmer mit einem Druckmittler |
| US8813572B2 (en) * | 2011-12-06 | 2014-08-26 | Rosemount Inc. | Ferrofluid modified fill fluid for pressure transmitters |
| CN111473806B (zh) * | 2020-04-17 | 2022-04-05 | 江苏多维科技有限公司 | 一种毛细管道环境传感器及其制备方法 |
| CN112577660B (zh) * | 2020-11-05 | 2022-09-23 | 清华大学 | 水平细管式磁性液体微压差传感器 |
| WO2022266158A1 (en) * | 2021-06-16 | 2022-12-22 | Florida Atlantic University Board Of Trustees | Liquid magnet sensor |
| WO2023046901A1 (en) | 2021-09-24 | 2023-03-30 | Analog Devices International Unlimited Company, | Magnetic field sensing based on particle position within container |
| US11940502B2 (en) | 2021-09-24 | 2024-03-26 | Analog Devices International Unlimited Company | Magnetic field sensing based on particle position within container |
| US12435803B2 (en) | 2022-05-27 | 2025-10-07 | Analog Devices International Unlimited Company | Flow adjustment based on particle movement in response to magnetic field |
| US12379433B2 (en) | 2022-09-14 | 2025-08-05 | Analog Devices International Unlimited Company | Magnetically sensitive particles and magnetic structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3459043A (en) * | 1966-07-05 | 1969-08-05 | Robert Eric Young | Method and apparatus for measuring temperature |
| FR1509177A (fr) * | 1966-12-01 | 1968-01-12 | Commissariat Energie Atomique | Perfectionnements aux dispositifs pour déterminer le niveau du mercure dans un tubeopaque |
| US3536932A (en) * | 1969-04-10 | 1970-10-27 | Northern Electric Co | Mechanical-electrical transducer |
-
1975
- 1975-03-20 US US05/560,057 patent/US3956938A/en not_active Expired - Lifetime
- 1975-10-14 CA CA237,542A patent/CA1039529A/en not_active Expired
-
1976
- 1976-02-09 GB GB5009/76A patent/GB1497231A/en not_active Expired
- 1976-02-12 DE DE19762605607 patent/DE2605607A1/de active Pending
- 1976-02-13 FR FR7603958A patent/FR2304910A1/fr active Granted
- 1976-03-10 JP JP51025193A patent/JPS51114974A/ja active Pending
- 1976-03-18 IT IT21356/76A patent/IT1058608B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| US3956938A (en) | 1976-05-18 |
| FR2304910A1 (fr) | 1976-10-15 |
| CA1039529A (en) | 1978-10-03 |
| JPS51114974A (en) | 1976-10-09 |
| DE2605607A1 (de) | 1976-09-30 |
| FR2304910B1 (it) | 1978-08-18 |
| GB1497231A (en) | 1978-01-05 |
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