CA1015979A - Pressure sensor apparatus and transducer therefor - Google Patents

Pressure sensor apparatus and transducer therefor

Info

Publication number
CA1015979A
CA1015979A CA210,395A CA210395A CA1015979A CA 1015979 A CA1015979 A CA 1015979A CA 210395 A CA210395 A CA 210395A CA 1015979 A CA1015979 A CA 1015979A
Authority
CA
Canada
Prior art keywords
pressure sensor
sensor apparatus
transducer therefor
therefor
transducer
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
CA210,395A
Other languages
English (en)
Inventor
Lawrence T. Garnett
Laverne D. Lyon
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.)
International Telephone and Telegraph Corp
Original Assignee
International Telephone and Telegraph Corp
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 International Telephone and Telegraph Corp filed Critical International Telephone and Telegraph Corp
Priority to CA269,576A priority Critical patent/CA1024375A/en
Priority to CA269,577A priority patent/CA1034785A/en
Priority to CA269,573A priority patent/CA1024371A/en
Priority to CA269,575A priority patent/CA1024372A/en
Priority to CA269,574A priority patent/CA1024774A/en
Application granted granted Critical
Publication of CA1015979A publication Critical patent/CA1015979A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/38—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
    • 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
    • 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
    • G01L9/0042—Constructional details associated with semiconductive diaphragm sensors, e.g. etching, or constructional details of non-semiconductive diaphragms
    • G01L9/0044—Constructional details of non-semiconductive diaphragms
    • 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)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Fluid Pressure (AREA)
CA210,395A 1973-10-01 1974-09-30 Pressure sensor apparatus and transducer therefor Expired CA1015979A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA269,576A CA1024375A (en) 1973-10-01 1977-01-12 Pressure sensor apparatus and transducer therefor
CA269,577A CA1034785A (en) 1973-10-01 1977-01-12 Pressure sensor apparatus and transducer therefor
CA269,573A CA1024371A (en) 1973-10-01 1977-01-12 Pressure sensor apparatus and transducer therefor
CA269,575A CA1024372A (en) 1973-10-01 1977-01-12 Pressure sensor apparatus and transducer therefor
CA269,574A CA1024774A (en) 1973-10-01 1977-01-12 Pressure sensor apparatus and transducer therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US402361A US3875802A (en) 1973-10-01 1973-10-01 Pressure sensor apparatus and transducer therefor

Publications (1)

Publication Number Publication Date
CA1015979A true CA1015979A (en) 1977-08-23

Family

ID=23591566

Family Applications (1)

Application Number Title Priority Date Filing Date
CA210,395A Expired CA1015979A (en) 1973-10-01 1974-09-30 Pressure sensor apparatus and transducer therefor

Country Status (8)

Country Link
US (1) US3875802A (nl)
JP (1) JPS50113276A (nl)
CA (1) CA1015979A (nl)
DE (1) DE2444937A1 (nl)
FR (1) FR2246855B1 (nl)
GB (1) GB1485283A (nl)
IT (1) IT1025043B (nl)
NL (1) NL7412508A (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4237775A (en) * 1978-08-21 1980-12-09 Gould Inc. Diaphragm for pressure sensors
US4597151A (en) * 1980-02-04 1986-07-01 Solartron Electronics, Inc. Fluid pressure transmitting diaphragm assembly and method of manufacture
US6176138B1 (en) 1998-07-15 2001-01-23 Saba Instruments, Inc. Electronic pressure sensor
JP3800623B2 (ja) * 2002-08-30 2006-07-26 横河電機株式会社 差圧／圧力伝送器
US9593995B2 (en) * 2014-02-28 2017-03-14 Measurement Specialties, Inc. Package for a differential pressure sensing die

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2174171A (en) * 1936-02-14 1939-09-26 Chatillon & Sons John Resilient article and alloy and their manufacture
US3079953A (en) * 1962-03-19 1963-03-05 Giannini Controls Corp Pressure responsive element
US3389362A (en) * 1965-10-22 1968-06-18 Electro Optical Systems Inc Low pressure transducer
GB1206952A (en) * 1967-01-20 1970-09-30 Ass Eng Ltd Improvements in pressure transducers
DE2009043C3 (de) * 1970-02-26 1978-05-18 Schoppe & Faeser Gmbh, 4950 Minden Differenzdruckmeßwerk für hohe Drücke

Also Published As

Publication number Publication date
FR2246855A1 (nl) 1975-05-02
NL7412508A (nl) 1975-04-03
US3875802A (en) 1975-04-08
DE2444937A1 (de) 1975-04-17
IT1025043B (it) 1978-08-10
JPS50113276A (nl) 1975-09-05
GB1485283A (en) 1977-09-08
FR2246855B1 (nl) 1978-11-24

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