IT974113B - Perfezionamento nei trasduttori di pressione differenzial - Google Patents

Perfezionamento nei trasduttori di pressione differenzial

Info

Publication number
IT974113B
IT974113B IT54766/72A IT5476672A IT974113B IT 974113 B IT974113 B IT 974113B IT 54766/72 A IT54766/72 A IT 54766/72A IT 5476672 A IT5476672 A IT 5476672A IT 974113 B IT974113 B IT 974113B
Authority
IT
Italy
Prior art keywords
improvement
differential pressure
pressure transducers
transducers
differential
Prior art date
Application number
IT54766/72A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT974113B publication Critical patent/IT974113B/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
    • G01L19/14—Housings
    • G01L19/148—Details about the circuit board integration, e.g. integrated with the diaphragm surface or encapsulation
    • 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
    • G01L19/0007—Fluidic connecting means
    • G01L19/0038—Fluidic connecting means being part of the housing
    • 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
    • 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)
IT54766/72A 1971-12-21 1972-12-15 Perfezionamento nei trasduttori di pressione differenzial IT974113B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21036571A 1971-12-21 1971-12-21

Publications (1)

Publication Number Publication Date
IT974113B true IT974113B (it) 1974-06-20

Family

ID=22782626

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54766/72A IT974113B (it) 1971-12-21 1972-12-15 Perfezionamento nei trasduttori di pressione differenzial

Country Status (7)

Country Link
US (1) US3712143A (it)
JP (1) JPS5228671B2 (it)
CA (1) CA971386A (it)
DE (1) DE2261664C3 (it)
FR (1) FR2165618A5 (it)
GB (1) GB1363208A (it)
IT (1) IT974113B (it)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5112437B2 (it) * 1971-10-01 1976-04-19
JPS5222973A (en) * 1975-08-14 1977-02-21 Fuji Electric Co Ltd Pressure measuring device
JPS5233575A (en) * 1975-09-09 1977-03-14 Fuji Electric Co Ltd Differential pressure measuring device
CA1078217A (en) * 1976-03-31 1980-05-27 Robert C. Whitehead (Jr.) Force transducing cantilever beam and pressure transducer incorporating it
US4072058A (en) * 1976-05-03 1978-02-07 Honeywell Inc. Differential pressure transmitter with pressure sensor protection
CA1077294A (en) * 1976-05-03 1980-05-13 Honeywell Inc. Pressure transmitter with simplified pressure sensing head
DE2657933C3 (de) * 1976-12-21 1984-01-05 Siemens AG, 1000 Berlin und 8000 München Differenzdruck-Meßumformer mit Überlastschutz
DE2659376C2 (de) * 1976-12-29 1982-10-21 Siemens AG, 1000 Berlin und 8000 München Differenzdruck-Meßzelle
US4120206A (en) * 1977-01-17 1978-10-17 Rosemount Inc. Differential pressure sensor capsule with low acceleration sensitivity
JPS5451585U (it) * 1977-09-16 1979-04-10
US4203327A (en) * 1978-06-29 1980-05-20 Honeywell Inc. Piezoresistive silicon strain sensors and pressure transducers incorporating them
JPS5550131A (en) * 1978-10-06 1980-04-11 Hitachi Ltd Electronic transmitter
US4218925A (en) * 1979-06-27 1980-08-26 Honeywell Inc. Differential pressure transmitter with pressure sensor protection
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
US4285244A (en) * 1980-02-13 1981-08-25 Honeywell Inc. Non-symmetrical overload protection device for differential pressure transmitter
US4345476A (en) * 1980-07-25 1982-08-24 Bourns Instruments, Inc. Differential pressure transducer with high compliance, constant stress cantilever beam
FR2498755A1 (fr) * 1981-01-27 1982-07-30 Ams Sa Appareil de protection pour capteurs de pressions differentielles contre le depassement d'une pression differentielle maximale donnee
US4563901A (en) * 1983-09-09 1986-01-14 International Telephone & Telegraph Corp. Transducer
DE3341987A1 (de) * 1983-11-21 1985-05-30 Samson Ag, 6000 Frankfurt Ueberdrucksicherung fuer eine differenzdruckmesszelle
US4766769A (en) * 1985-06-05 1988-08-30 The Foxboro Company Differential-pressure measuring apparatus with improved arrangement for coupling pressures to a semiconductor sensor
US4693121A (en) * 1985-06-05 1987-09-15 The Foxboro Company Differential-pressure measuring apparatus with improved overpressure protection
DE9017855U1 (de) * 1990-11-17 1992-05-07 Honeywell Elac Nautik GmbH, 2300 Kiel Überlastungsschutzeinrichtung für Drucksensoren
DE4211816C2 (de) * 1992-04-08 1995-08-31 Danfoss As Drucksensor
DE9314579U1 (de) * 1993-09-29 1993-12-09 Walcher Meßtechnik GmbH, 79199 Kirchzarten Differensdruck-Meßumformer
US5605574A (en) * 1995-09-20 1997-02-25 Kabushiki Kaisha Toshiba Semiconductor wafer support apparatus and method
US7698951B2 (en) * 2008-05-27 2010-04-20 Honeywell International Inc. Pressure-sensor apparatus
CN103487203A (zh) * 2013-10-11 2014-01-01 湖州三井低温设备有限公司 一种低温高压往复泵用压力表减振结构

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3058350A (en) * 1959-10-06 1962-10-16 Statham Instrument Inc Differential pressure transducer
US3313158A (en) * 1965-07-23 1967-04-11 Statham Instrument Inc High overload pressure transducer

Also Published As

Publication number Publication date
US3712143A (en) 1973-01-23
CA971386A (en) 1975-07-22
JPS4871687A (it) 1973-09-27
DE2261664B2 (de) 1976-03-11
DE2261664C3 (de) 1978-04-13
GB1363208A (en) 1974-08-14
DE2261664A1 (de) 1973-07-05
JPS5228671B2 (it) 1977-07-28
FR2165618A5 (it) 1973-08-03

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