DE4104811C2 - - Google Patents

Info

Publication number
DE4104811C2
DE4104811C2 DE19914104811 DE4104811A DE4104811C2 DE 4104811 C2 DE4104811 C2 DE 4104811C2 DE 19914104811 DE19914104811 DE 19914104811 DE 4104811 A DE4104811 A DE 4104811A DE 4104811 C2 DE4104811 C2 DE 4104811C2
Authority
DE
Germany
Prior art keywords
transmission
space
differential pressure
measuring cell
bending element
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 - Fee Related
Application number
DE19914104811
Other languages
German (de)
English (en)
Other versions
DE4104811A1 (de
Inventor
Leo 7050 Waiblingen De Nawrocki
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.)
ECKARDT AG 7000 STUTTGART DE
Original Assignee
ECKARDT AG 7000 STUTTGART DE
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 ECKARDT AG 7000 STUTTGART DE filed Critical ECKARDT AG 7000 STUTTGART DE
Priority to DE19914104811 priority Critical patent/DE4104811A1/de
Publication of DE4104811A1 publication Critical patent/DE4104811A1/de
Application granted granted Critical
Publication of DE4104811C2 publication Critical patent/DE4104811C2/de
Granted 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
    • G01L19/0663—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)
DE19914104811 1991-02-16 1991-02-16 Differenzdruckmesszelle Granted DE4104811A1 (de)

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 DE4104811A1 (de) 1992-08-20
DE4104811C2 true 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 (2)

* Cited by examiner, † Cited by third party
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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3075957B1 (fr) * 2017-12-21 2020-01-03 Arianegroup Sas Capteur de pression differentiel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5687194A (en) * 1979-12-19 1981-07-15 Hitachi Ltd Differential pressure transmitter
IT1185212B (it) * 1985-07-09 1987-11-04 Kent Tieghi Spa Trasmettitore di pressioni di fluidi per atmosfere potenzialmente esplosive
DE3621795A1 (de) * 1986-06-28 1988-01-07 Eckardt Ag Differenzdruckgeber
US4883181A (en) * 1987-11-12 1989-11-28 Laurel Bank Machines Co. Ltd. Foreign substance disposing device for money receiving and disbursing machine

Cited By (2)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE4104811A1 (de) 1992-08-20

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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