FR895938A - Manolimnigraphe à membrane métallique - Google Patents

Manolimnigraphe à membrane métallique

Info

Publication number
FR895938A
FR895938A FR895938DA FR895938A FR 895938 A FR895938 A FR 895938A FR 895938D A FR895938D A FR 895938DA FR 895938 A FR895938 A FR 895938A
Authority
FR
France
Prior art keywords
manolimnigraph
metal diaphragm
diaphragm
metal
diaphragm manolimnigraph
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
Other languages
English (en)
Inventor
Andre-Louis-Aime Fortier
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 filed Critical
Application granted granted Critical
Publication of FR895938A publication Critical patent/FR895938A/fr
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
    • 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
    • G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
    • 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
    • G01L9/12—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 by making use of variations in capacitance, i.e. electric circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR895938D 1943-02-24 1943-02-24 Manolimnigraphe à membrane métallique Expired FR895938A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR895938T 1943-02-24

Publications (1)

Publication Number Publication Date
FR895938A true FR895938A (fr) 1945-02-07

Family

ID=9390936

Family Applications (1)

Application Number Title Priority Date Filing Date
FR895938D Expired FR895938A (fr) 1943-02-24 1943-02-24 Manolimnigraphe à membrane métallique

Country Status (1)

Country Link
FR (1) FR895938A (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667786A (en) * 1950-02-11 1954-02-02 Cons Eng Corp Capacitor pressure gauge
US2703876A (en) * 1952-09-25 1955-03-08 British Thomson Houston Co Ltd Electrical apparatus for the integration of variable instantaneous measurements
FR2447545A1 (fr) * 1979-01-24 1980-08-22 Honeywell Inc Transducteur capacitif de pression differentielle
WO2002014821A3 (fr) * 2000-08-11 2002-08-15 Mks Instr Inc Modele de capteur de pression capacitif
US6568274B1 (en) 1998-02-04 2003-05-27 Mks Instruments, Inc. Capacitive based pressure sensor design
US6993973B2 (en) 2003-05-16 2006-02-07 Mks Instruments, Inc. Contaminant deposition control baffle for a capacitive pressure transducer
US7137301B2 (en) 2004-10-07 2006-11-21 Mks Instruments, Inc. Method and apparatus for forming a reference pressure within a chamber of a capacitance sensor
US7141447B2 (en) 2004-10-07 2006-11-28 Mks Instruments, Inc. Method of forming a seal between a housing and a diaphragm of a capacitance sensor
US7201057B2 (en) 2004-09-30 2007-04-10 Mks Instruments, Inc. High-temperature reduced size manometer
US7204150B2 (en) 2005-01-14 2007-04-17 Mks Instruments, Inc. Turbo sump for use with capacitive pressure sensor
US7284439B2 (en) 1997-12-22 2007-10-23 Mks Instruments, Inc. Method for producing a pressure sensor for detecting small pressure differences and low pressures

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667786A (en) * 1950-02-11 1954-02-02 Cons Eng Corp Capacitor pressure gauge
US2703876A (en) * 1952-09-25 1955-03-08 British Thomson Houston Co Ltd Electrical apparatus for the integration of variable instantaneous measurements
FR2447545A1 (fr) * 1979-01-24 1980-08-22 Honeywell Inc Transducteur capacitif de pression differentielle
US7284439B2 (en) 1997-12-22 2007-10-23 Mks Instruments, Inc. Method for producing a pressure sensor for detecting small pressure differences and low pressures
US7389697B2 (en) 1997-12-22 2008-06-24 Mks Instruments Pressure sensor for detecting small pressure differences and low pressures
US6568274B1 (en) 1998-02-04 2003-05-27 Mks Instruments, Inc. Capacitive based pressure sensor design
WO2002014821A3 (fr) * 2000-08-11 2002-08-15 Mks Instr Inc Modele de capteur de pression capacitif
US6993973B2 (en) 2003-05-16 2006-02-07 Mks Instruments, Inc. Contaminant deposition control baffle for a capacitive pressure transducer
US7201057B2 (en) 2004-09-30 2007-04-10 Mks Instruments, Inc. High-temperature reduced size manometer
US7137301B2 (en) 2004-10-07 2006-11-21 Mks Instruments, Inc. Method and apparatus for forming a reference pressure within a chamber of a capacitance sensor
US7141447B2 (en) 2004-10-07 2006-11-28 Mks Instruments, Inc. Method of forming a seal between a housing and a diaphragm of a capacitance sensor
US7624643B2 (en) 2004-10-07 2009-12-01 Mks Instruments, Inc. Method and apparatus for forming a reference pressure within a chamber of a capacitance sensor
US7204150B2 (en) 2005-01-14 2007-04-17 Mks Instruments, Inc. Turbo sump for use with capacitive pressure sensor

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