DE2657933C3 - Differenzdruck-Meßumformer mit Überlastschutz - Google Patents

Differenzdruck-Meßumformer mit Überlastschutz

Info

Publication number
DE2657933C3
DE2657933C3 DE19762657933 DE2657933A DE2657933C3 DE 2657933 C3 DE2657933 C3 DE 2657933C3 DE 19762657933 DE19762657933 DE 19762657933 DE 2657933 A DE2657933 A DE 2657933A DE 2657933 C3 DE2657933 C3 DE 2657933C3
Authority
DE
Germany
Prior art keywords
measuring
membrane
differential pressure
chamber
pressure
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.)
Expired
Application number
DE19762657933
Other languages
German (de)
English (en)
Other versions
DE2657933B2 (de
DE2657933A1 (de
Inventor
Martin 7500 Karlsruhe Klobe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to DE19762657933 priority Critical patent/DE2657933C3/de
Priority to FR7737670A priority patent/FR2375589A1/fr
Priority to IT3081377A priority patent/IT1088780B/it
Priority to JP15427277A priority patent/JPS5379582A/ja
Publication of DE2657933A1 publication Critical patent/DE2657933A1/de
Publication of DE2657933B2 publication Critical patent/DE2657933B2/de
Application granted granted Critical
Publication of DE2657933C3 publication Critical patent/DE2657933C3/de
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
DE19762657933 1976-12-21 1976-12-21 Differenzdruck-Meßumformer mit Überlastschutz Expired DE2657933C3 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19762657933 DE2657933C3 (de) 1976-12-21 1976-12-21 Differenzdruck-Meßumformer mit Überlastschutz
FR7737670A FR2375589A1 (fr) 1976-12-21 1977-12-14 Convertisseur de mesure de pressions differentielles, comportant une protection contre les surcharges
IT3081377A IT1088780B (it) 1976-12-21 1977-12-16 Convertitore di misura per differenze di pressione,dotato di un dispositivo di protezione contro sovraccarichi
JP15427277A JPS5379582A (en) 1976-12-21 1977-12-21 Convertor for measuring diffenet pressure

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 (3)

Publication Number Publication Date
DE2657933A1 DE2657933A1 (de) 1978-06-22
DE2657933B2 DE2657933B2 (de) 1980-04-24
DE2657933C3 true DE2657933C3 (de) 1984-01-05

Family

ID=5996128

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762657933 Expired DE2657933C3 (de) 1976-12-21 1976-12-21 Differenzdruck-Meßumformer mit Überlastschutz

Country Status (4)

Country Link
JP (1) JPS5379582A (enExample)
DE (1) DE2657933C3 (enExample)
FR (1) FR2375589A1 (enExample)
IT (1) IT1088780B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29711759U1 (de) * 1997-07-04 1998-08-06 Siemens AG, 80333 München Differenzdruck-Meßumformer

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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
JPS5687196A (en) * 1979-12-19 1981-07-15 Hitachi Ltd Differential pressure transmitter
JPS5687194A (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

Family Cites Families (12)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29711759U1 (de) * 1997-07-04 1998-08-06 Siemens AG, 80333 München Differenzdruck-Meßumformer

Also Published As

Publication number Publication date
FR2375589B3 (enExample) 1979-07-20
JPS5379582A (en) 1978-07-14
FR2375589A1 (fr) 1978-07-21
DE2657933B2 (de) 1980-04-24
DE2657933A1 (de) 1978-06-22
IT1088780B (it) 1985-06-10

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Legal Events

Date Code Title Description
OD Request for examination
8281 Inventor (new situation)

Free format text: KLOBE, MARTIN, 7500 KARLSRUHE, DE

C3 Grant after two publication steps (3rd publication)