BR8008200A - Transmissor de pressao diferencial - Google Patents

Transmissor de pressao diferencial

Info

Publication number
BR8008200A
BR8008200A BR8008200A BR8008200A BR8008200A BR 8008200 A BR8008200 A BR 8008200A BR 8008200 A BR8008200 A BR 8008200A BR 8008200 A BR8008200 A BR 8008200A BR 8008200 A BR8008200 A BR 8008200A
Authority
BR
Brazil
Prior art keywords
differential pressure
pressure transmitter
transmitter
differential
pressure
Prior art date
Application number
BR8008200A
Other languages
English (en)
Inventor
Yoshida Tomomasa
Takahashi Yukio
Nagasu Akira
Matsuoka Yoshitaka
Shimada Satoshi
Kasai Shozo
Yamamoto Yoshimi
Nagata Takeo
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of BR8008200A publication Critical patent/BR8008200A/pt

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
    • G01L19/147—Details about the mounting of the sensor to support or covering means
    • 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
    • G01L19/0627—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
    • G01L19/142—Multiple part housings
BR8008200A 1979-12-19 1980-12-15 Transmissor de pressao diferencial BR8008200A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16412679A JPS5687194A (en) 1979-12-19 1979-12-19 Differential pressure transmitter

Publications (1)

Publication Number Publication Date
BR8008200A true BR8008200A (pt) 1981-06-30

Family

ID=15787233

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8008200A BR8008200A (pt) 1979-12-19 1980-12-15 Transmissor de pressao diferencial

Country Status (5)

Country Link
US (1) US4342231A (pt)
JP (1) JPS5687194A (pt)
BR (1) BR8008200A (pt)
DE (1) DE3047276C2 (pt)
GB (1) GB2065895B (pt)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723830A (en) * 1980-07-18 1982-02-08 Hitachi Ltd Post material for pressure transducer of semiconductor and its preparation
JPS5780532A (en) * 1980-11-07 1982-05-20 Hitachi Ltd Semiconductor load converter
JPS5887880A (ja) * 1981-11-20 1983-05-25 Hitachi Ltd 半導体ダイアフラム形センサ
DE3222620A1 (de) * 1982-02-15 1983-08-25 Siemens AG, 1000 Berlin und 8000 München Druck- oder druckdifferenzmessgeraet mit einer vor ueberlastung geschuetzten drucksonsor-einrichtung
DE3225650A1 (de) * 1982-07-09 1984-01-12 Schoppe & Faeser Gmbh, 4950 Minden Verfahren zur herstellung einer differenzdruckmesskapsel
JPS5941737U (ja) * 1982-09-10 1984-03-17 株式会社山武 差圧計
GB2128806A (en) * 1982-09-29 1984-05-02 Itt Ind Ltd Pressure transducer
JPS59203936A (ja) * 1983-05-04 1984-11-19 Hitachi Ltd 半導体差圧発信器
US4554927A (en) * 1983-08-30 1985-11-26 Thermometrics Inc. Pressure and temperature sensor
JPS60125551U (ja) * 1984-02-02 1985-08-23 株式会社山武 差圧または圧力検出器
JPS60134136U (ja) * 1984-02-20 1985-09-06 株式会社山武 差圧発信器
JPS60173437A (ja) * 1984-02-20 1985-09-06 Yamatake Honeywell Co Ltd 差圧発信器の製造方法
JPS60139240U (ja) * 1984-02-25 1985-09-14 株式会社山武 圧力・差圧伝送器
JPS60143337U (ja) * 1984-03-02 1985-09-24 株式会社山武 圧力または差圧伝送器
DE8407659U1 (de) * 1984-03-09 1985-03-14 Siemens AG, 1000 Berlin und 8000 München Druck- oder druckdifferenzmessgeraet
JPS60181642U (ja) * 1984-05-12 1985-12-02 株式会社山武 差圧発信器
JPS6146436U (ja) * 1984-08-31 1986-03-28 株式会社山武 フランジ型差圧発信器
JPS6150241U (pt) * 1984-09-06 1986-04-04
JPS61114341U (pt) * 1984-12-28 1986-07-19
GB2175398A (en) * 1985-05-21 1986-11-26 Stc Plc Pressure transducer
JPS6210631U (pt) * 1985-07-05 1987-01-22
JPS6387537U (pt) * 1986-11-28 1988-06-07
US4841777A (en) * 1988-03-22 1989-06-27 Honeywell Inc. Pressure transmitter assembly
KR930011091B1 (ko) * 1990-06-08 1993-11-20 미쯔비시 덴끼 가부시끼가이샤 압력 센서
DE4104811A1 (de) * 1991-02-16 1992-08-20 Eckardt Ag Differenzdruckmesszelle
DE4244459C1 (de) * 1992-12-23 1994-05-11 Siemens Ag Druckmeßumformer
DE4244460C1 (de) * 1992-12-23 1994-04-14 Siemens Ag Druckmeßumformer
US5883310A (en) * 1994-11-04 1999-03-16 The Regents Of The University Of California Micromachined hot-wire shear stress sensor
US5606516A (en) * 1995-08-07 1997-02-25 Fairbanks Scales Inc. Digitally compensated hydraulic scale system
JP3206467B2 (ja) * 1996-12-25 2001-09-10 トヨタ自動車株式会社 太陽電池セルの冷却液封止構造
JP4253898B2 (ja) * 1999-02-22 2009-04-15 株式会社デンソー 圧力センサ装置
DE10064871A1 (de) * 2000-12-27 2002-07-04 Endress & Hauser Gmbh & Co Kg Druckmessgerät
JP4163880B2 (ja) * 2002-03-05 2008-10-08 長野計器株式会社 差圧検出器、その差圧検出器を備えた流量計および液面計
US6675655B2 (en) * 2002-03-21 2004-01-13 Rosemount Inc. Pressure transmitter with process coupling
JP2004198147A (ja) * 2002-12-16 2004-07-15 Toyoda Mach Works Ltd 圧力センサ
DE10334284B4 (de) * 2003-07-25 2013-04-18 Endress + Hauser Gmbh + Co. Kg Differenzdruckaufnehmer mit Überlastmembran
DE102004006383A1 (de) * 2004-02-09 2005-08-25 Endress + Hauser Gmbh + Co. Kg Differenzdruckaufnehmer mit Überlastmembran
DE102004017580A1 (de) * 2004-04-07 2005-12-01 Endress + Hauser Gmbh + Co. Kg Differenzdruckaufnehmer mit dynamischem Überlastschutz
US20070287983A1 (en) * 2006-06-07 2007-12-13 Richard Worthington Lodge Absorbent article having an anchored core assembly
US9513183B2 (en) * 2014-06-30 2016-12-06 Rosemount Inc. Process isolation diaphragm assembly for metal process seal
PL227812B1 (pl) * 2015-02-13 2018-01-31 Aplisens Spólka Akcyjna Różnicowa głowica pomiaru ciśnienia

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712143A (en) * 1971-12-21 1973-01-23 Honeywell Inc Differential pressure responsive apparatus
DE2712846A1 (de) * 1976-03-24 1977-11-24 Ict Instr Inc Messumformer zum messen von druckunterschieden
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
DE2623993B2 (de) * 1976-05-26 1980-05-08 Siemens Ag, 1000 Berlin Und 8000 Muenchen Druckdifferenz-Meßgerät
DE2657933C3 (de) * 1976-12-21 1984-01-05 Siemens AG, 1000 Berlin und 8000 München Differenzdruck-Meßumformer mit Überlastschutz
US4127840A (en) * 1977-02-22 1978-11-28 Conrac Corporation Solid state force transducer
GB1603823A (en) * 1977-05-02 1981-12-02 Kent Ltd G Differential pressure sensing device

Also Published As

Publication number Publication date
GB2065895B (en) 1983-10-26
DE3047276C2 (de) 1985-09-19
GB2065895A (en) 1981-07-01
US4342231A (en) 1982-08-03
JPS5687194A (en) 1981-07-15
DE3047276A1 (de) 1981-09-10

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