DE4104811A1 - Differenzdruckmesszelle - Google Patents
DifferenzdruckmesszelleInfo
- Publication number
- DE4104811A1 DE4104811A1 DE19914104811 DE4104811A DE4104811A1 DE 4104811 A1 DE4104811 A1 DE 4104811A1 DE 19914104811 DE19914104811 DE 19914104811 DE 4104811 A DE4104811 A DE 4104811A DE 4104811 A1 DE4104811 A1 DE 4104811A1
- Authority
- DE
- Germany
- Prior art keywords
- gap
- differential pressure
- measuring cell
- space
- transmission
- 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.)
- Granted
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 50
- 239000012530 fluid Substances 0.000 title claims abstract description 30
- 238000009530 blood pressure measurement Methods 0.000 title abstract description 5
- 238000012546 transfer Methods 0.000 title abstract description 5
- 238000002485 combustion reaction Methods 0.000 title abstract 3
- 230000005540 biological transmission Effects 0.000 claims description 46
- 238000005452 bending Methods 0.000 claims description 44
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 238000013461 design Methods 0.000 abstract description 5
- 239000002360 explosive Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 230000015556 catabolic process Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0663—Flame protection; Flame barriers
-
- 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
- G01L13/025—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using diaphragms
- G01L13/026—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using diaphragms involving double diaphragm
-
- 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
- G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
- G01L9/006—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of metallic strain gauges fixed to an element other than the pressure transmitting diaphragm
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19914104811 DE4104811A1 (de) | 1991-02-16 | 1991-02-16 | Differenzdruckmesszelle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19914104811 DE4104811A1 (de) | 1991-02-16 | 1991-02-16 | Differenzdruckmesszelle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE4104811A1 true DE4104811A1 (de) | 1992-08-20 |
| DE4104811C2 DE4104811C2 (enrdf_load_stackoverflow) | 1993-04-01 |
Family
ID=6425192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19914104811 Granted DE4104811A1 (de) | 1991-02-16 | 1991-02-16 | Differenzdruckmesszelle |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE4104811A1 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11346737B2 (en) * | 2017-12-21 | 2022-05-31 | Arianegroup Sas | Differential pressure sensor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19946234C1 (de) * | 1999-09-27 | 2001-01-25 | Labom Mes Und Regeltechnik Gmb | Membran für einen Druckmittler sowie Druckmittler mit einer solchen Membran |
| DE10314920A1 (de) * | 2003-04-01 | 2004-10-14 | Endress + Hauser Gmbh + Co. Kg | Druckaufnehmer mit Flammendurchschlagsperre |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3047276C2 (de) * | 1979-12-19 | 1985-09-19 | Hitachi, Ltd., Tokio/Tokyo | Differenzdruckmesser |
| EP0209495A2 (en) * | 1985-07-09 | 1987-01-21 | KENT-TIEGHI S.p.A. | A fluid pressure transmitter for use in potentially explosive atmospheres |
| DE3621795A1 (de) * | 1986-06-28 | 1988-01-07 | Eckardt Ag | Differenzdruckgeber |
| DE3838321A1 (de) * | 1987-11-12 | 1989-05-24 | Laurel Bank Machine Co | Vorrichtung zum beseitigen von fremdkoerpern bei geldannahme- und -ausgabe-maschinen |
-
1991
- 1991-02-16 DE DE19914104811 patent/DE4104811A1/de active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3047276C2 (de) * | 1979-12-19 | 1985-09-19 | Hitachi, Ltd., Tokio/Tokyo | Differenzdruckmesser |
| EP0209495A2 (en) * | 1985-07-09 | 1987-01-21 | KENT-TIEGHI S.p.A. | A fluid pressure transmitter for use in potentially explosive atmospheres |
| DE3621795A1 (de) * | 1986-06-28 | 1988-01-07 | Eckardt Ag | Differenzdruckgeber |
| DE3838321A1 (de) * | 1987-11-12 | 1989-05-24 | Laurel Bank Machine Co | Vorrichtung zum beseitigen von fremdkoerpern bei geldannahme- und -ausgabe-maschinen |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11346737B2 (en) * | 2017-12-21 | 2022-05-31 | Arianegroup Sas | Differential pressure sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE4104811C2 (enrdf_load_stackoverflow) | 1993-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |