DE2503401B2 - Differenzdruckwandler - Google Patents
DifferenzdruckwandlerInfo
- Publication number
- DE2503401B2 DE2503401B2 DE2503401A DE2503401A DE2503401B2 DE 2503401 B2 DE2503401 B2 DE 2503401B2 DE 2503401 A DE2503401 A DE 2503401A DE 2503401 A DE2503401 A DE 2503401A DE 2503401 B2 DE2503401 B2 DE 2503401B2
- Authority
- DE
- Germany
- Prior art keywords
- measuring
- coils
- membrane
- circuit
- frequency
- 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.)
- Ceased
Links
- 239000012528 membrane Substances 0.000 claims description 60
- 239000000696 magnetic material Substances 0.000 claims description 11
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 230000004907 flux Effects 0.000 claims description 6
- 230000001419 dependent effect Effects 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 26
- 239000003990 capacitor Substances 0.000 description 20
- 230000008859 change Effects 0.000 description 17
- 239000012530 fluid Substances 0.000 description 10
- 230000035945 sensitivity Effects 0.000 description 10
- 230000004044 response Effects 0.000 description 9
- 238000005259 measurement Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004043 responsiveness Effects 0.000 description 2
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- G01L9/0041—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49027454A JPS587182B2 (ja) | 1974-03-08 | 1974-03-08 | サアツオウドウソウチ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2503401A1 DE2503401A1 (de) | 1975-09-11 |
| DE2503401B2 true DE2503401B2 (de) | 1979-01-18 |
Family
ID=12221557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2503401A Ceased DE2503401B2 (de) | 1974-03-08 | 1975-01-28 | Differenzdruckwandler |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3995493A (enExample) |
| JP (1) | JPS587182B2 (enExample) |
| CA (1) | CA1024773A (enExample) |
| DE (1) | DE2503401B2 (enExample) |
| GB (1) | GB1447956A (enExample) |
| NL (1) | NL7502341A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3719620A1 (de) * | 1987-06-12 | 1988-12-29 | Hottinger Messtechnik Baldwin | Mechanisch-elektrischer differenzdruckwandler und verfahren zur justierung eines derartigen wandlers |
| DE19510447A1 (de) * | 1995-02-10 | 1996-08-14 | Landis & Gyr Tech Innovat | Differenzdrucksensor |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2657933C3 (de) * | 1976-12-21 | 1984-01-05 | Siemens AG, 1000 Berlin und 8000 München | Differenzdruck-Meßumformer mit Überlastschutz |
| DE2659376C2 (de) * | 1976-12-29 | 1982-10-21 | Siemens AG, 1000 Berlin und 8000 München | Differenzdruck-Meßzelle |
| US4403513A (en) * | 1979-01-24 | 1983-09-13 | Sundstrand Corporation | Capacitive differential pressure transducer |
| FR2451566A1 (fr) * | 1979-03-12 | 1980-10-10 | Effa Etudes Sarl | Capteur de deplacement a courants de foucault |
| WO1982000519A1 (en) * | 1980-08-04 | 1982-02-18 | Have L Van | Temperature compensation for transducer components |
| US4355537A (en) * | 1980-11-06 | 1982-10-26 | Combustion Engineering, Inc. | Temperature compensation for transducer components |
| IT1138465B (it) * | 1981-07-29 | 1986-09-17 | Kent Tieghi Spa | Trasmettitore elettronico di valori di pressione di fluidi di processi industriali |
| US4524624A (en) * | 1982-10-25 | 1985-06-25 | Peerless Nuclear Corporation | Pressure and differential pressure detectors and transmitter for use in hostile environment |
| DE3239927A1 (de) * | 1982-10-28 | 1984-05-03 | Porsche Ag | Einrichtung zum steuern einer folgebetaetigung fuer eine doppelkupplung |
| US5184107A (en) * | 1991-01-28 | 1993-02-02 | Honeywell, Inc. | Piezoresistive pressure transducer with a conductive elastomeric seal |
| US20110301569A1 (en) | 2001-01-20 | 2011-12-08 | Gordon Wayne Dyer | Methods and apparatus for the CVCS |
| DE102004019222A1 (de) * | 2004-04-21 | 2005-11-10 | Abb Research Ltd. | Vorrichtung und Verfahren zur Zustandsüberwachung eines Druckmesswerks |
| US7017418B1 (en) * | 2004-12-15 | 2006-03-28 | General Electric Company | System and method for sensing pressure |
| EP3229003A1 (en) * | 2016-04-04 | 2017-10-11 | IMI Hydronic Engineering International SA | Measurement module |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2999386A (en) * | 1956-11-02 | 1961-09-12 | Trans Sonics Inc | High precision diaphragm type instruments |
| US3238479A (en) * | 1963-01-08 | 1966-03-01 | Kaman Aircraft Corp | Transducer |
| US3274833A (en) * | 1963-04-23 | 1966-09-27 | Fischer & Porter Co | Differential pressure transmitters |
| US3241359A (en) * | 1963-05-16 | 1966-03-22 | W C Dillon & Company Inc | Thermally balanced load cell device |
| US3350945A (en) * | 1966-06-13 | 1967-11-07 | Gen Electric | Digital span adjuster for differential pressure measuring device |
| US3444736A (en) * | 1966-07-22 | 1969-05-20 | Statham Instrument Inc | Square root responsive pressure transducers |
| FR1553013A (enExample) * | 1966-11-26 | 1969-01-10 | ||
| US3618390A (en) * | 1969-10-27 | 1971-11-09 | Rosemount Eng Co Ltd | Differential pressure transducer |
| JPS5331635B2 (enExample) * | 1972-11-01 | 1978-09-04 | ||
| US3820400A (en) * | 1973-02-20 | 1974-06-28 | Combustion Eng | Seal |
-
1974
- 1974-03-08 JP JP49027454A patent/JPS587182B2/ja not_active Expired
-
1975
- 1975-01-28 DE DE2503401A patent/DE2503401B2/de not_active Ceased
- 1975-02-10 GB GB547375A patent/GB1447956A/en not_active Expired
- 1975-02-27 NL NL7502341A patent/NL7502341A/xx not_active Application Discontinuation
- 1975-03-03 US US05/554,491 patent/US3995493A/en not_active Expired - Lifetime
- 1975-03-07 CA CA221,622A patent/CA1024773A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3719620A1 (de) * | 1987-06-12 | 1988-12-29 | Hottinger Messtechnik Baldwin | Mechanisch-elektrischer differenzdruckwandler und verfahren zur justierung eines derartigen wandlers |
| EP0296375A3 (de) * | 1987-06-12 | 1990-05-23 | Hottinger Baldwin Messtechnik Gmbh | Mechanisch-elektrischer Differenzdruckwandler und Verfahren zur Justierung eines derartigen Wandlers |
| DE19510447A1 (de) * | 1995-02-10 | 1996-08-14 | Landis & Gyr Tech Innovat | Differenzdrucksensor |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1447956A (en) | 1976-09-02 |
| CA1024773A (en) | 1978-01-24 |
| DE2503401A1 (de) | 1975-09-11 |
| JPS587182B2 (ja) | 1983-02-08 |
| NL7502341A (nl) | 1975-09-10 |
| US3995493A (en) | 1976-12-07 |
| JPS50120883A (enExample) | 1975-09-22 |
| AU7783875A (en) | 1976-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2503401B2 (de) | Differenzdruckwandler | |
| EP0061520B2 (de) | Magnetkernloser Messwandler zum berührungslosen Messen eines Messstromes | |
| DE69423867T2 (de) | Gleichstromsensor | |
| DE2757297A1 (de) | Detektoranordnung zur messung einer bewegung | |
| DE1623748B2 (de) | Vorrichtung zum elektrischen messen der position eines gliedes | |
| DE19832854C2 (de) | Einrichtung zum Messen linearer Verschiebungen | |
| DE2846538C2 (enExample) | ||
| DE2734729B1 (de) | Messwandler zum potentialfreien Messen von Stroemen oder Spannungen | |
| DE2447463C2 (de) | Flüssigkeitspegel-Meßfühler | |
| DE3518772A1 (de) | Sensoranordnung | |
| DE10120822C2 (de) | Induktiver Wegmessaufnehmer mit linearem Kennlinienverhalten | |
| DE1951230A1 (de) | Vorrichtung zur Messung schwacher Magnetfelder | |
| DE2739054C2 (de) | Einrichtung zur Messung einer kleinen Weglänge | |
| DE1817320A1 (de) | Induktions-Differenzdruckgeber | |
| DE2258690B2 (de) | Schaltung zum Vergleichen der Werte zweier Impedanzen | |
| EP0179285B2 (de) | Magnetisch-induktiver Durchflussmesser | |
| DE3127164A1 (de) | Differentialtransformatoren | |
| DE2052751A1 (de) | Durchflußmesser | |
| DE2803912C3 (de) | Einrichtung zur Gewinnung eines der Dichte einer elektrisch leitenden Flüssigkeit proportionalen elektrischen Meßsignals | |
| WO1986007145A1 (fr) | Agencement a capteur | |
| DE2420120B2 (de) | Messvorrichtung | |
| DE4326766C2 (de) | Verfahren und Schaltungsanordnung zum Betreiben eines Winkel- oder Wegsensors | |
| DE2635288C2 (enExample) | ||
| DE1441177B1 (de) | Vorrichtung zum Ausmessen eines Magnetfeldes und Messen eines elektrischen Stromes | |
| DE830700C (de) | Nach Art der elektrischen Dynamometer arbeitendes Messinstrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OF | Willingness to grant licences before publication of examined application | ||
| 8235 | Patent refused |