IT1088780B - Convertitore di misura per differenze di pressione,dotato di un dispositivo di protezione contro sovraccarichi - Google Patents

Convertitore di misura per differenze di pressione,dotato di un dispositivo di protezione contro sovraccarichi

Info

Publication number
IT1088780B
IT1088780B IT3081377A IT3081377A IT1088780B IT 1088780 B IT1088780 B IT 1088780B IT 3081377 A IT3081377 A IT 3081377A IT 3081377 A IT3081377 A IT 3081377A IT 1088780 B IT1088780 B IT 1088780B
Authority
IT
Italy
Prior art keywords
protection device
pressure differences
device against
measurement converter
against overloads
Prior art date
Application number
IT3081377A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1088780B publication Critical patent/IT1088780B/it

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)
IT3081377A 1976-12-21 1977-12-16 Convertitore di misura per differenze di pressione,dotato di un dispositivo di protezione contro sovraccarichi IT1088780B (it)

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 (1)

Publication Number Publication Date
IT1088780B true IT1088780B (it) 1985-06-10

Family

ID=5996128

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3081377A IT1088780B (it) 1976-12-21 1977-12-16 Convertitore di misura per differenze di pressione,dotato di un dispositivo di protezione contro sovraccarichi

Country Status (4)

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

Families Citing this family (7)

* 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
DE29711759U1 (de) * 1997-07-04 1998-08-06 Siemens AG, 80333 München Differenzdruck-Meßumformer

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

Also Published As

Publication number Publication date
JPS5379582A (en) 1978-07-14
DE2657933C3 (de) 1984-01-05
DE2657933A1 (de) 1978-06-22
DE2657933B2 (de) 1980-04-24
FR2375589A1 (fr) 1978-07-21
FR2375589B3 (it) 1979-07-20

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931229