IT1105963B - Strumento a filo vibrabile per misurare differenziali di pressione - Google Patents

Strumento a filo vibrabile per misurare differenziali di pressione

Info

Publication number
IT1105963B
IT1105963B IT51139/78A IT5113978A IT1105963B IT 1105963 B IT1105963 B IT 1105963B IT 51139/78 A IT51139/78 A IT 51139/78A IT 5113978 A IT5113978 A IT 5113978A IT 1105963 B IT1105963 B IT 1105963B
Authority
IT
Italy
Prior art keywords
vibrable
pressure differentials
measure pressure
wire instrument
instrument
Prior art date
Application number
IT51139/78A
Other languages
English (en)
Other versions
IT7851139A0 (it
Original Assignee
Foxboro Co
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 Foxboro Co filed Critical Foxboro Co
Publication of IT7851139A0 publication Critical patent/IT7851139A0/it
Application granted granted Critical
Publication of IT1105963B publication Critical patent/IT1105963B/it

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
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/0013—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a string
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Materials For Medical Uses (AREA)
IT51139/78A 1977-09-19 1978-09-19 Strumento a filo vibrabile per misurare differenziali di pressione IT1105963B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/834,481 US4165651A (en) 1977-09-19 1977-09-19 Pressure measuring apparatus using vibratable wire

Publications (2)

Publication Number Publication Date
IT7851139A0 IT7851139A0 (it) 1978-09-19
IT1105963B true IT1105963B (it) 1985-11-11

Family

ID=25267039

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51139/78A IT1105963B (it) 1977-09-19 1978-09-19 Strumento a filo vibrabile per misurare differenziali di pressione

Country Status (13)

Country Link
US (1) US4165651A (it)
JP (1) JPS5853301B2 (it)
AU (1) AU518094B2 (it)
BR (1) BR7806003A (it)
DE (1) DE2840286C2 (it)
FI (1) FI68318C (it)
FR (1) FR2403551A1 (it)
GB (1) GB2004649B (it)
IT (1) IT1105963B (it)
MX (1) MX147714A (it)
NL (1) NL7809530A (it)
NO (1) NO152713C (it)
SE (1) SE437888B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277973A (en) * 1978-12-04 1981-07-14 Ivor Hawkes Vibratory wire strain gage
US4255973A (en) * 1979-11-07 1981-03-17 The United States Of America As Represented By The United States Department Of Energy Digital pressure transducer for use at high temperatures
US4372164A (en) * 1980-06-02 1983-02-08 The Foxboro Company Industrial process control instrument employing a resonant sensor
EP0087612A3 (en) * 1982-02-26 1984-04-11 The Foxboro Company Pressure-to-frequency transducer
US4471660A (en) * 1982-02-26 1984-09-18 The Foxboro Company Process control instrument using a pneumatically driven resonant element
US4708010A (en) * 1984-10-17 1987-11-24 The Foxboro Company Apparatus and method for calibrating span of pressure measuring instruments
US4638656A (en) * 1984-10-17 1987-01-27 The Foxboro Company Apparatus and method for calibrating span of pressure measuring instruments
EP0438373B1 (de) * 1990-01-18 1994-09-28 Wirth Gallo Messtechnik Ag Differenzdruckmesser
JP4757536B2 (ja) * 2005-05-17 2011-08-24 ローレル精機株式会社 包装硬貨搬送装置
US9048521B2 (en) 2011-03-24 2015-06-02 Etegent Technologies, Ltd. Broadband waveguide
US9182306B2 (en) 2011-06-22 2015-11-10 Etegent Technologies, Ltd. Environmental sensor with tensioned wire exhibiting varying transmission characteristics in response to environmental conditions
CN103017970B (zh) * 2012-11-30 2014-10-29 合肥工业大学 平衡式水压力传感器及其测试方法
WO2015099884A2 (en) 2013-11-01 2015-07-02 Etegent Technologies Ltd. Composite active waveguide temperature sensor for harsh environments
WO2015066494A2 (en) 2013-11-01 2015-05-07 Etegent Technologies Ltd. Broadband waveguide
WO2015157488A1 (en) 2014-04-09 2015-10-15 Etegent Technologies Ltd. Active waveguide excitation and compensation
WO2019018021A2 (en) 2017-04-10 2019-01-24 Etegent Technologies Ltd. MECHANICAL ACTIVE WAVEGUIDE SENSOR DISTRIBUTED EXCITED AT MULTIPLE FREQUENCIES AND COMPRISING FREQUENCY REFLECTING REFLECTORS
CN113091883B (zh) * 2021-04-02 2022-05-27 厦门邦创信息技术有限公司 一种拉力保持结构、拉力保持装置及振弦式设备

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR985978A (fr) * 1943-11-23 1951-07-25 Capsule manométrique acoustique
US2455021A (en) * 1944-01-29 1948-11-30 Interval Instr Inc Pressure meter
FR1206846A (fr) * 1957-05-20 1960-02-11 Borg Warner Transducteur de différence de pression
US3005135A (en) * 1958-06-04 1961-10-17 Borg Warner Servomotor control systems employing transducers
US3010322A (en) * 1959-01-22 1961-11-28 Borg Warner Pressure responsive devices and systems therefor
US3140613A (en) * 1960-07-26 1964-07-14 Hitachi Ltd Differential pressure transmitters
US3393565A (en) * 1965-04-05 1968-07-23 Klee Gerhard Pressure transducer
DE1498205B2 (de) * 1965-09-16 1970-06-11 Siemens AG, 1000 Berlin u. 8000 München Mit einer Schutz- oder Dämpfungsflüs-' sigkeit gefüllter überlastsicherer Differenzdruck-Meßumformer
GB1288378A (it) * 1968-11-18 1972-09-06
US3990309A (en) * 1975-09-08 1976-11-09 Htl Industries, Inc. Temperature compensated pressure limited gauge

Also Published As

Publication number Publication date
FR2403551B1 (it) 1983-11-18
US4165651A (en) 1979-08-28
SE7809760L (sv) 1979-03-20
SE437888B (sv) 1985-03-18
MX147714A (es) 1983-01-06
AU3949778A (en) 1980-03-06
JPS5853301B2 (ja) 1983-11-28
NO152713B (no) 1985-07-29
NO783120L (no) 1979-03-20
FI782846A (fi) 1979-03-20
FR2403551A1 (fr) 1979-04-13
GB2004649B (en) 1982-03-10
IT7851139A0 (it) 1978-09-19
FI68318C (fi) 1985-08-12
GB2004649A (en) 1979-04-04
DE2840286C2 (de) 1985-05-15
NO152713C (no) 1985-11-06
NL7809530A (nl) 1979-03-21
BR7806003A (pt) 1979-04-24
DE2840286A1 (de) 1979-03-29
FI68318B (fi) 1985-04-30
JPS5456880A (en) 1979-05-08
AU518094B2 (en) 1981-09-10

Similar Documents

Publication Publication Date Title
IT1105963B (it) Strumento a filo vibrabile per misurare differenziali di pressione
SE7801339L (sv) Instrument for lodning av en livmoder
FR2480593B1 (fr) Instrument a ligaturer
GB2002121B (en) Length measuring instrument including a measuring tape
DK151080C (da) Trykfoeler
IT1094513B (it) Strumento di misura con indicatore a segmenti
TR20461A (tr) Kueltuer fizik aleti
JPS544179A (en) Device for connecting alternately pressure gauge to different measured points
SE7800465L (sv) Ringtryckmetare
SE7809325L (sv) Accelerationsmetare
LU80456A1 (fr) Perfectionnements relatifs a des calorimetres
IT1095239B (it) Cassetta per strumenti di misura
IT1074520B (it) Dispositivo per misurare le dimensioni di unpezzo di lavorazione
SE7809326L (sv) Accelerationsmetare
IT1100632B (it) Dispositivo per misurare differenze di pressione
IT1101120B (it) Accumulaotre di pressione
JPS5486366A (en) Nonncontact type displacement measuring instrument
SE7707550L (sv) Instrument av saxtyp
SE7702391L (sv) Blodtrycksmetare
BE863288A (nl) Aanwijzend meetinstrument
IT1094270B (it) Dispositivo per misurare forze e pressioni
DD138364A5 (de) Kraftstoffvolumenmesser
DK145883C (da) Trykmaaledaase
JPS5421370A (en) Nonncontact type dimension measuring instrument
DD130804A1 (de) Differenzdruck-mengenmesseinrichtung