FI100361B - Paine-eromittari - Google Patents
Paine-eromittari Download PDFInfo
- Publication number
- FI100361B FI100361B FI904734A FI904734A FI100361B FI 100361 B FI100361 B FI 100361B FI 904734 A FI904734 A FI 904734A FI 904734 A FI904734 A FI 904734A FI 100361 B FI100361 B FI 100361B
- Authority
- FI
- Finland
- Prior art keywords
- sensor
- temperature
- connecting part
- pressure
- pressure difference
- Prior art date
Links
- 239000012528 membrane Substances 0.000 claims description 48
- 238000005259 measurement Methods 0.000 claims description 20
- 239000003990 capacitor Substances 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 2
- FZNCGRZWXLXZSZ-CIQUZCHMSA-N Voglibose Chemical compound OCC(CO)N[C@H]1C[C@](O)(CO)[C@@H](O)[C@H](O)[C@H]1O FZNCGRZWXLXZSZ-CIQUZCHMSA-N 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 8
- 230000007423 decrease Effects 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 239000011796 hollow space material Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000001953 sensory effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000012777 electrically insulating material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 101100380548 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) apg-2 gene Proteins 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000156 glass melt Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000002277 temperature effect Effects 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
- G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
-
- 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
- G01L9/12—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 capacitance, i.e. electric circuits therefor
- G01L9/125—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 capacitance, i.e. electric circuits therefor with temperature compensating means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3933512A DE3933512A1 (de) | 1989-10-06 | 1989-10-06 | Differenzdruckmessgeraet |
| DE3933512 | 1989-10-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI904734A0 FI904734A0 (fi) | 1990-09-26 |
| FI100361B true FI100361B (fi) | 1997-11-14 |
Family
ID=6391011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI904734A FI100361B (fi) | 1989-10-06 | 1990-09-26 | Paine-eromittari |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5111698A (en, 2012) |
| EP (1) | EP0421394B1 (en, 2012) |
| JP (1) | JP2597042B2 (en, 2012) |
| DE (2) | DE3933512A1 (en, 2012) |
| FI (1) | FI100361B (en, 2012) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5315884A (en) * | 1990-01-08 | 1994-05-31 | The United States Of America As Represented By The United States Department Of Energy | Capacitive proximity sensor |
| US5247834A (en) * | 1990-02-09 | 1993-09-28 | Avl Gesellschaft Fuer Verbrennungskraftmaschinen Und Messtechnik Gmbh. Prof. Dr.Dr. H.C. Hans List | Density measuring apparatus |
| DE4124662A1 (de) * | 1991-07-25 | 1993-01-28 | Fibronix Sensoren Gmbh | Relativdrucksensor |
| US5237285A (en) * | 1991-10-18 | 1993-08-17 | Rosemount Inc. | Method and apparatus for capacitance temperature compensation and manufacturability in a dual plate capacitive pressure transmitter |
| CZ269697A3 (cs) * | 1995-02-28 | 1998-06-17 | Rosemount Inc. | Zařízení pro měření pracovního tlaku |
| EP0797084B1 (de) | 1996-03-23 | 2001-01-17 | Endress + Hauser GmbH + Co. | Verfahren zum Herstellen von kapazitiven, in Nullpunkt-Langzeit-Fehlerklassen sortierten Keramik-Absolutdruck-Sensoren |
| DE19633630A1 (de) * | 1996-08-21 | 1998-02-26 | Endress Hauser Gmbh Co | Auswerteeinheit eines Differenzdrucksensors |
| US5811690A (en) * | 1997-03-20 | 1998-09-22 | Hershey; George E. | Differential pressure transmitter with highly accurate temperature compensation |
| FR2764693B1 (fr) * | 1997-06-13 | 1999-08-27 | Jaeger Regulation | Capteur de mesure de pression |
| EP1379886A2 (en) * | 1999-01-27 | 2004-01-14 | Richard A. Wenman | Method and device for measuring the acidity or basicity of insulating fluids, particularly mineral and synthetic oils |
| US6643610B1 (en) † | 1999-09-24 | 2003-11-04 | Rosemount Inc. | Process transmitter with orthogonal-polynomial fitting |
| DE10031135A1 (de) * | 2000-06-30 | 2002-01-17 | Grieshaber Vega Kg | Druckmeßvorrichtung |
| US6612175B1 (en) | 2000-07-20 | 2003-09-02 | Nt International, Inc. | Sensor usable in ultra pure and highly corrosive environments |
| US7152478B2 (en) * | 2000-07-20 | 2006-12-26 | Entegris, Inc. | Sensor usable in ultra pure and highly corrosive environments |
| DE10052053A1 (de) * | 2000-10-19 | 2002-04-25 | Endress Hauser Gmbh Co | Druckmeßzelle |
| US6729041B2 (en) * | 2000-12-28 | 2004-05-04 | Tokyo Electron Limited | Substrate processing apparatus and substrate processing method |
| DE10117142A1 (de) | 2001-04-05 | 2002-10-10 | Endress & Hauser Gmbh & Co Kg | Kapazitiver Differenz-Drucksensor |
| DE10150691A1 (de) * | 2001-10-17 | 2003-04-30 | Endress & Hauser Gmbh & Co Kg | Druckmeßaufnehmer mit Trennmembran und Temperaturkompensation |
| US7047811B2 (en) * | 2003-02-18 | 2006-05-23 | Ashcroft Inc. | Pressure measurement |
| US7258021B2 (en) * | 2004-06-25 | 2007-08-21 | Rosemount Inc. | Process transmitter isolation assembly |
| DE102004053884A1 (de) * | 2004-11-04 | 2006-05-24 | Endress + Hauser Gmbh + Co. Kg | Messwertaufnehmer mit Temperaturkompensation |
| US8307714B1 (en) * | 2011-06-02 | 2012-11-13 | Freescale Semiconductor, Inc. | Dual port pressure sensor |
| CN103292947B (zh) * | 2012-02-22 | 2016-02-03 | 福建上润精密仪器有限公司 | 一种差动金属电容膜盒的电容极板悬浮结构 |
| KR101567399B1 (ko) | 2015-01-22 | 2015-11-10 | 강유신 | 체온을 이용한 접촉식 온도제어 압력 안정화장치 |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1948191B1 (de) * | 1969-09-24 | 1971-01-14 | Siemens Ag | Druckmessumformer fuer Messmedien hoher Temperatur |
| US3646538A (en) * | 1969-10-27 | 1972-02-29 | Rosemount Eng Co Ltd | Transducer circuitry for converting a capacitance signal to a dc current signal |
| DE2021479A1 (de) * | 1970-05-02 | 1971-11-11 | Kleinwaechter Hans | Druckmessgeraet zur Messung von Drucken in Gasen und Fluessigkeiten |
| US3715638A (en) * | 1971-05-10 | 1973-02-06 | Bendix Corp | Temperature compensator for capacitive pressure transducers |
| US3783374A (en) * | 1972-04-07 | 1974-01-01 | Sundstrand Data Control | Capacitance difference detector circuit |
| DE2364027A1 (de) * | 1973-12-21 | 1975-07-03 | Siemens Ag | Differenzdruckmesszelle mit elektrischem abgriff |
| JPS5233575A (en) * | 1975-09-09 | 1977-03-14 | Fuji Electric Co Ltd | Differential pressure measuring device |
| US4177496A (en) * | 1976-03-12 | 1979-12-04 | Kavlico Corporation | Capacitive pressure transducer |
| GB1563894A (en) * | 1976-03-12 | 1980-04-02 | Kavlico Corp | Capacitive pressure transducer and method for making same |
| JPS5829862B2 (ja) * | 1977-05-14 | 1983-06-25 | 富士電機株式会社 | 圧力測定装置 |
| JPS54130054A (en) * | 1978-03-31 | 1979-10-09 | Hitachi Ltd | Temperature compensator of diaphragms |
| GB2048488B (en) * | 1979-04-26 | 1983-04-27 | Rosemount Eng Co Ltd | Differential pressure sensing apparatus |
| US4370890A (en) * | 1980-10-06 | 1983-02-01 | Rosemount Inc. | Capacitive pressure transducer with isolated sensing diaphragm |
| JPS582714A (ja) * | 1981-06-30 | 1983-01-08 | Toshiba Corp | フランジ形液位伝送器 |
| DE3238430A1 (de) * | 1982-10-16 | 1984-04-19 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Differenzdrucksensor |
| US4598381A (en) * | 1983-03-24 | 1986-07-01 | Rosemount Inc. | Pressure compensated differential pressure sensor and method |
| DE3321580A1 (de) * | 1983-06-15 | 1984-12-20 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Einrichtung zur erfassung der temperatur fuer die kompensation temperaturabhaengiger fehler in einem kapazitiven differenzdrucksensor |
| US4572000A (en) * | 1983-12-09 | 1986-02-25 | Rosemount Inc. | Pressure sensor with a substantially flat overpressure stop for the measuring diaphragm |
| WO1985004474A1 (en) * | 1984-03-30 | 1985-10-10 | Rosemount Inc. | Pressure compensated differential pressure sensor and method |
| DE3504329A1 (de) * | 1985-02-08 | 1986-08-14 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Differenzdruckmessgeraet |
| US4680971A (en) * | 1985-11-19 | 1987-07-21 | Kavlico Corporation | Dual diaphragm differential pressure transducer |
| US4735098A (en) * | 1985-11-19 | 1988-04-05 | Kavlico Corporation | Dual diaphragm differential pressure transducer |
| JPS62140040A (ja) * | 1985-12-16 | 1987-06-23 | Yokogawa Electric Corp | 差圧変換装置 |
| US4754365A (en) * | 1987-06-15 | 1988-06-28 | Fischer & Porter Company | Differential pressure transducer |
| JPH061228B2 (ja) * | 1987-08-13 | 1994-01-05 | 富士電機株式会社 | 静電容量式圧力検出器 |
-
1989
- 1989-10-06 DE DE3933512A patent/DE3933512A1/de active Granted
-
1990
- 1990-09-26 FI FI904734A patent/FI100361B/fi not_active IP Right Cessation
- 1990-10-04 DE DE59008839T patent/DE59008839D1/de not_active Expired - Fee Related
- 1990-10-04 EP EP90118994A patent/EP0421394B1/de not_active Expired - Lifetime
- 1990-10-05 JP JP2266593A patent/JP2597042B2/ja not_active Expired - Fee Related
-
1991
- 1991-07-29 US US07/741,181 patent/US5111698A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US5111698A (en) | 1992-05-12 |
| DE59008839D1 (de) | 1995-05-11 |
| EP0421394A2 (de) | 1991-04-10 |
| JPH03210446A (ja) | 1991-09-13 |
| EP0421394B1 (de) | 1995-04-05 |
| EP0421394A3 (en) | 1991-09-18 |
| JP2597042B2 (ja) | 1997-04-02 |
| DE3933512A1 (de) | 1991-04-18 |
| FI904734A0 (fi) | 1990-09-26 |
| DE3933512C2 (en, 2012) | 1993-02-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: ENDRESS U. HAUSER GMBH U. CO. |