DE2040786A1 - Differenzdruck-Messumformer - Google Patents

Differenzdruck-Messumformer

Info

Publication number
DE2040786A1
DE2040786A1 DE19702040786 DE2040786A DE2040786A1 DE 2040786 A1 DE2040786 A1 DE 2040786A1 DE 19702040786 DE19702040786 DE 19702040786 DE 2040786 A DE2040786 A DE 2040786A DE 2040786 A1 DE2040786 A1 DE 2040786A1
Authority
DE
Germany
Prior art keywords
pressure
membrane
sensitive element
wall
rigid
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.)
Pending
Application number
DE19702040786
Other languages
German (de)
English (en)
Inventor
Weaver John A
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.)
Honeywell Inc
Original Assignee
Honeywell Inc
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 Honeywell Inc filed Critical Honeywell Inc
Publication of DE2040786A1 publication Critical patent/DE2040786A1/de
Pending 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
    • 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
    • G01L19/14—Housings
    • G01L19/145—Housings with stress relieving means
    • G01L19/146—Housings with stress relieving means using flexible element between the transducer and the support
    • 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
    • G01L9/0052—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Measuring Fluid Pressure (AREA)
DE19702040786 1969-08-20 1970-08-17 Differenzdruck-Messumformer Pending DE2040786A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85160869A 1969-08-20 1969-08-20

Publications (1)

Publication Number Publication Date
DE2040786A1 true DE2040786A1 (de) 1971-02-25

Family

ID=25311198

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702040786 Pending DE2040786A1 (de) 1969-08-20 1970-08-17 Differenzdruck-Messumformer

Country Status (5)

Country Link
US (1) US3559488A (enExample)
CA (1) CA917948A (enExample)
DE (1) DE2040786A1 (enExample)
FR (1) FR2058951A5 (enExample)
GB (1) GB1263039A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001057488A1 (de) 2000-02-03 2001-08-09 Siemens Aktiengesellschaft Drucksensor zum erfassen des druckes einer flüssigkeit

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3780588A (en) * 1972-03-31 1973-12-25 Honeywell Inc Differential pressure responsive apparatus
CA1057969A (en) * 1975-07-24 1979-07-10 Isamu Asano Differential pressure sensor
DE2712846A1 (de) * 1976-03-24 1977-11-24 Ict Instr Inc Messumformer zum messen von druckunterschieden
CA1078217A (en) * 1976-03-31 1980-05-27 Robert C. Whitehead (Jr.) Force transducing cantilever beam and pressure transducer incorporating it
CA1077294A (en) * 1976-05-03 1980-05-13 Honeywell Inc. Pressure transmitter with simplified pressure sensing head
US4072058A (en) * 1976-05-03 1978-02-07 Honeywell Inc. Differential pressure transmitter with pressure sensor protection
US4073191A (en) * 1976-12-02 1978-02-14 Yokogawa Electric Works, Ltd. Differential pressure transducer
DE2657933C3 (de) * 1976-12-21 1984-01-05 Siemens AG, 1000 Berlin und 8000 München Differenzdruck-Meßumformer mit Überlastschutz
US4345476A (en) * 1980-07-25 1982-08-24 Bourns Instruments, Inc. Differential pressure transducer with high compliance, constant stress cantilever beam
IT1194839B (it) * 1980-12-22 1988-09-28 Bourns Instr Inc Apparecchio per misurare la pressione in particolare di un fluido che scorre attraverso un orifizio o simile
US4385525A (en) * 1981-09-18 1983-05-31 Dwyer Instruments, Inc. Strain gauge pressure transducer
EP0197130A1 (en) * 1984-10-12 1986-10-15 Ametek, Inc. Pressure transducer
GB2175398A (en) * 1985-05-21 1986-11-26 Stc Plc Pressure transducer
US4776219A (en) * 1987-04-06 1988-10-11 Jaromir Friedrich Pressure transducer
US4823604A (en) * 1987-05-22 1989-04-25 Pall Corporation Pressure transducer assembly
FR2926883B1 (fr) 2008-01-24 2010-02-26 Tokheim Holding Bv Dispositif capteur de pression adapte a des atmospheres explosives ou corrosives
DE102008021091A1 (de) 2008-04-28 2009-10-29 Epcos Ag Drucksensor
JP2013509977A (ja) * 2009-11-09 2013-03-21 スイストム・アーゲー 圧力測定システム、圧力測定センサアセンブリ、および圧力を測定する方法
DE102011102837A1 (de) 2011-05-30 2012-12-06 Epcos Ag Drucksensor und Verfahren zur Herstellung eines Drucksensors
NO339004B1 (no) * 2012-05-13 2016-11-07 Electrical Subsea & Drilling As Sensorhode for måling av trykk
CN103239217A (zh) * 2013-04-02 2013-08-14 上海道生医疗科技有限公司 防过载的脉搏跳动血压波强度传感器
US9759625B2 (en) * 2015-09-18 2017-09-12 Tecsis Gmbh Differential pressure transducer assembly with overload protection
CN110332973B (zh) * 2019-01-29 2024-07-12 荆门宏图延晟机械制造有限公司 一种高静压过载保护弹差压液位计
CN115342965A (zh) * 2022-09-21 2022-11-15 内蒙古工业大学 一种电容式气体压力传感器结构

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001057488A1 (de) 2000-02-03 2001-08-09 Siemens Aktiengesellschaft Drucksensor zum erfassen des druckes einer flüssigkeit
US6684708B2 (en) 2000-02-03 2004-02-03 Siemens Ag Pressure sensor for detecting the pressure of a liquid

Also Published As

Publication number Publication date
GB1263039A (en) 1972-02-09
US3559488A (en) 1971-02-02
FR2058951A5 (enExample) 1971-05-28
CA917948A (en) 1973-01-02

Similar Documents

Publication Publication Date Title
DE2040786A1 (de) Differenzdruck-Messumformer
DE4205264A1 (de) Messkopf fuer ein druckmessgeraet mit einem drucksensor zur gleichzeitigen betaetigung eines schaltkontaktes
DE2261664A1 (de) Differenzdruck-messumformer
DE2252389A1 (de) Druckfuehler, insbesondere fuer extruder
DE3930813A1 (de) Einrichtung zur reifendruck-ueberwachung
DE102016008508A1 (de) Differenzdruckwandleranordnung mit Überdruckschutz
DE2329836C3 (de) Temperaturmeßvorrichtung für Einsatz bei Drücken über 1.500 bar
DE1573664A1 (de) Vorrichtung zum Messen von Druckdifferenzen
DE2351940C3 (de) Druckmeßsonde
DE3215238A1 (de) Fluessigkeitsstand-messsystem
DE4124142C2 (de) Temperaturmeßgerät
DE1908891A1 (de) Poren-Wasserdruckmesser
DE1919354A1 (de) Einrichtung zum Schutze vor Druckueberlastung bei elektrischen Messumformern fuer Druck oder Differenzdruck
DE2220327A1 (de) Druckmessgeraet
DE4110447A1 (de) Differenzdruckmessgeraet
DE3436184C1 (de) Überdrucksicherung für Druckmeßsysteme
DE102010043824B4 (de) Druckmessumformer
EP0249797B1 (de) Druckregelventil
DE2341809A1 (de) Gegen ueberbelastung geschuetztes bourdon-rohr und mit diesem ausgestattete messeinrichtung
DE3312385A1 (de) Druckmessvorrichtung
DE2914037C2 (de) Einrichtung zum Unwirksammachen von durch Temperaturschwankungen verursachten Abweichungen der Ausgangsspannung eines Druckwandlers in Magnetbandgeräten
DE2654003C2 (enExample)
DE1234039B (de) Pneumatischer Kompensations-Messgeber
DE1490523C (de) Auf Druckschwankungen ansprechende Ein richtung zur Überwachung von Gasdruckkabeln
DE2228761A1 (de) Sicherheitsdruckfuehler