CH641896A5 - Capteur servant a mesurer les deplacements d'une piece en metal non ferro-magnetique. - Google Patents
Capteur servant a mesurer les deplacements d'une piece en metal non ferro-magnetique. Download PDFInfo
- Publication number
- CH641896A5 CH641896A5 CH834080A CH834080A CH641896A5 CH 641896 A5 CH641896 A5 CH 641896A5 CH 834080 A CH834080 A CH 834080A CH 834080 A CH834080 A CH 834080A CH 641896 A5 CH641896 A5 CH 641896A5
- Authority
- CH
- Switzerland
- Prior art keywords
- coils
- sensor according
- common point
- displacement
- resistors
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 24
- 239000002184 metal Substances 0.000 title claims description 24
- 238000006073 displacement reaction Methods 0.000 claims description 29
- 230000005294 ferromagnetic effect Effects 0.000 claims description 9
- 239000002775 capsule Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 230000005291 magnetic effect Effects 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 8
- 230000007423 decrease Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 3
- 229910000906 Bronze Inorganic materials 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 229910052790 beryllium Inorganic materials 0.000 description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000004804 winding Methods 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
- G01L9/0036—Transmitting or indicating the displacement of bellows by electric, electromechanical, magnetic, or electromagnetic means using variations in inductance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/2006—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
- G01D5/202—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by movable a non-ferromagnetic conductive element
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/22—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils
- G01D5/2291—Linear or rotary variable differential transformers (LVDTs/RVDTs) having a single primary coil and two secondary coils
-
- 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
-
- 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
- G01L9/10—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 by making use of variations in inductance, i.e. electric circuits therefor
- G01L9/105—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 by making use of variations in inductance, i.e. electric circuits therefor with temperature compensating means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7906206A FR2451566A1 (fr) | 1979-03-12 | 1979-03-12 | Capteur de deplacement a courants de foucault |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH641896A5 true CH641896A5 (fr) | 1984-03-15 |
Family
ID=9223003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH834080A CH641896A5 (fr) | 1979-03-12 | 1980-03-11 | Capteur servant a mesurer les deplacements d'une piece en metal non ferro-magnetique. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4365517A (Direct) |
| JP (1) | JPS56500102A (Direct) |
| CH (1) | CH641896A5 (Direct) |
| ES (1) | ES489454A1 (Direct) |
| FR (1) | FR2451566A1 (Direct) |
| GB (1) | GB2060900B (Direct) |
| IT (1) | IT1129630B (Direct) |
| WO (1) | WO1980001951A1 (Direct) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1138465B (it) * | 1981-07-29 | 1986-09-17 | Kent Tieghi Spa | Trasmettitore elettronico di valori di pressione di fluidi di processi industriali |
| CA1181256A (en) * | 1981-10-05 | 1985-01-22 | Combustion Engineering, Inc. | Bridge for reactive detector circuit |
| US5490424A (en) * | 1993-03-09 | 1996-02-13 | Matsushita Electric Industrial Co., Ltd. | Pressure sensor with moisture resistance and uniform characteristics |
| DE19630015A1 (de) * | 1996-07-25 | 1998-01-29 | Daimler Benz Ag | Vorrichtung zur berührungsfreien elektrischen Messung des Reifendruckes an einem umlaufenden Reifen, insbesondere bei Kraftfahrzeugen |
| RU2142113C1 (ru) * | 1998-10-02 | 1999-11-27 | Новочеркасский государственный технический университет | Устройство формирования выходного сигнала дифференциального измерительного преобразователя |
| US6667615B2 (en) | 2000-02-10 | 2003-12-23 | Sankyo Seiki Mfg. Co., Ltd. | Coin identifying device using magnetic sensors |
| US6960911B2 (en) * | 2002-01-29 | 2005-11-01 | Kabushiki Kaisha Toshiba | Strain sensor |
| DE102012202639A1 (de) * | 2012-02-21 | 2013-08-22 | Robert Bosch Gmbh | Sensoranordnung zur Erfassung von Drehwinkeln an einem rotierenden Bauteil in einem Fahrzeug |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2959962A (en) * | 1957-10-02 | 1960-11-15 | Epstein Saul | Electromagnetic fluid pressure responsive device |
| FR1427236A (fr) * | 1964-12-31 | 1966-02-04 | Kaman Aircraft Corp | Perfectionnements apportés aux transducteurs, notamment du type fonctionnant par courants de foucault |
| US3336525A (en) * | 1963-01-08 | 1967-08-15 | Kaman Aircraft Corp | Variable impedance displacement transducer |
| DE1903051B2 (de) * | 1969-01-22 | 1972-05-18 | Perthen, Johannes, Dr.-Ing., 3000 Hannover | Elktronisches laengenmessgeraet |
| 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 |
| SU509800A1 (ru) * | 1974-12-03 | 1976-04-05 | Подмосковный Государственныйпроектно-Конструкторский И Экспери-Ментальный Институт Горного Машиностроения | Устройство дл измерени давлени |
| DE2724064C3 (de) * | 1977-05-27 | 1980-10-09 | Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen | Induktiver Winkelgeber |
| IT1088352B (it) * | 1977-10-12 | 1985-06-10 | Magneti Marelli Spa | Rilevatore di spostamenti lineari |
-
1979
- 1979-03-12 FR FR7906206A patent/FR2451566A1/fr active Granted
-
1980
- 1980-03-11 GB GB8035570A patent/GB2060900B/en not_active Expired
- 1980-03-11 JP JP50067180A patent/JPS56500102A/ja active Pending
- 1980-03-11 US US06/224,506 patent/US4365517A/en not_active Expired - Lifetime
- 1980-03-11 CH CH834080A patent/CH641896A5/fr not_active IP Right Cessation
- 1980-03-11 WO PCT/FR1980/000034 patent/WO1980001951A1/fr not_active Ceased
- 1980-03-12 ES ES489454A patent/ES489454A1/es not_active Expired
- 1980-03-12 IT IT20530/80A patent/IT1129630B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| WO1980001951A1 (fr) | 1980-09-18 |
| GB2060900A (en) | 1981-05-07 |
| IT1129630B (it) | 1986-06-11 |
| GB2060900B (en) | 1983-10-05 |
| IT8020530A0 (it) | 1980-03-12 |
| ES489454A1 (es) | 1980-09-16 |
| JPS56500102A (Direct) | 1981-02-05 |
| FR2451566B1 (Direct) | 1984-10-19 |
| US4365517A (en) | 1982-12-28 |
| FR2451566A1 (fr) | 1980-10-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |