FR2375589B3 - - Google Patents
Info
- Publication number
- FR2375589B3 FR2375589B3 FR7737670A FR7737670A FR2375589B3 FR 2375589 B3 FR2375589 B3 FR 2375589B3 FR 7737670 A FR7737670 A FR 7737670A FR 7737670 A FR7737670 A FR 7737670A FR 2375589 B3 FR2375589 B3 FR 2375589B3
- Authority
- FR
- France
- 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.)
- Expired
Links
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
- G01L19/0618—Overload protection
-
- 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
-
- 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
- G01L19/0627—Protection against aggressive medium in general
- G01L19/0645—Protection against aggressive medium in general using isolation membranes, specially adapted for protection
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762657933 DE2657933C3 (de) | 1976-12-21 | 1976-12-21 | Differenzdruck-Meßumformer mit Überlastschutz |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2375589A1 FR2375589A1 (fr) | 1978-07-21 |
| FR2375589B3 true FR2375589B3 (de) | 1979-07-20 |
Family
ID=5996128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7737670A Granted FR2375589A1 (fr) | 1976-12-21 | 1977-12-14 | Convertisseur de mesure de pressions differentielles, comportant une protection contre les surcharges |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5379582A (de) |
| DE (1) | DE2657933C3 (de) |
| FR (1) | FR2375589A1 (de) |
| IT (1) | IT1088780B (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5815049B2 (ja) * | 1977-12-20 | 1983-03-23 | 富士電機株式会社 | 差圧測定装置 |
| JPS5687194A (en) * | 1979-12-19 | 1981-07-15 | Hitachi Ltd | Differential pressure transmitter |
| JPS5687196A (en) * | 1979-12-19 | 1981-07-15 | Hitachi Ltd | Differential pressure transmitter |
| DE3222620A1 (de) * | 1982-02-15 | 1983-08-25 | Siemens AG, 1000 Berlin und 8000 München | Druck- oder druckdifferenzmessgeraet mit einer vor ueberlastung geschuetzten drucksonsor-einrichtung |
| JPS5943328A (ja) * | 1982-09-06 | 1984-03-10 | Toshiba Corp | 差圧伝送器 |
| DE8407659U1 (de) * | 1984-03-09 | 1985-03-14 | Siemens AG, 1000 Berlin und 8000 München | Druck- oder druckdifferenzmessgeraet |
| DE29711759U1 (de) * | 1997-07-04 | 1998-08-06 | Siemens Ag | Differenzdruck-Meßumformer |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2977991A (en) * | 1958-01-27 | 1961-04-04 | Honeywell Regulator Co | Controller |
| FR1523141A (fr) * | 1965-05-27 | 1968-05-03 | Lummus Co | Dispositif manométrique différentiel |
| DE1498205B2 (de) * | 1965-09-16 | 1970-06-11 | Siemens AG, 1000 Berlin u. 8000 München | Mit einer Schutz- oder Dämpfungsflüs-' sigkeit gefüllter überlastsicherer Differenzdruck-Meßumformer |
| US3559488A (en) * | 1969-08-20 | 1971-02-02 | Honeywell Inc | Differential pressure measuring apparatus |
| US3712143A (en) * | 1971-12-21 | 1973-01-23 | Honeywell Inc | Differential pressure responsive apparatus |
| US3756085A (en) * | 1972-01-03 | 1973-09-04 | Bailey Meter Co | Differential pressure transmitter overrange protection |
| DE2360276A1 (de) * | 1973-12-04 | 1975-06-12 | Eckardt Ag J | Differenzdruckumformer |
| 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 |
| IT1025881B (it) * | 1974-11-21 | 1978-08-30 | Nuovo Pignone Spa | Sistema di protezione alle sovra pressioni di un sensore a wafer di siligio di un trasmettitore di pressione differenziale |
| JPS5214470A (en) * | 1975-07-24 | 1977-02-03 | Fuji Electric Co Ltd | Pressure measuring equipment |
| DE2712846A1 (de) * | 1976-03-24 | 1977-11-24 | Ict Instr Inc | Messumformer zum messen von druckunterschieden |
| US4072058A (en) * | 1976-05-03 | 1978-02-07 | Honeywell Inc. | Differential pressure transmitter with pressure sensor protection |
-
1976
- 1976-12-21 DE DE19762657933 patent/DE2657933C3/de not_active Expired
-
1977
- 1977-12-14 FR FR7737670A patent/FR2375589A1/fr active Granted
- 1977-12-16 IT IT3081377A patent/IT1088780B/it active
- 1977-12-21 JP JP15427277A patent/JPS5379582A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2375589A1 (fr) | 1978-07-21 |
| DE2657933B2 (de) | 1980-04-24 |
| JPS5379582A (en) | 1978-07-14 |
| DE2657933C3 (de) | 1984-01-05 |
| IT1088780B (it) | 1985-06-10 |
| DE2657933A1 (de) | 1978-06-22 |