IT7828395A0 - Dispositivo per il controllo della densita' di un gas all'interno di un serbatoio a pressione. - Google Patents

Dispositivo per il controllo della densita' di un gas all'interno di un serbatoio a pressione.

Info

Publication number
IT7828395A0
IT7828395A0 IT7828395A IT2839578A IT7828395A0 IT 7828395 A0 IT7828395 A0 IT 7828395A0 IT 7828395 A IT7828395 A IT 7828395A IT 2839578 A IT2839578 A IT 2839578A IT 7828395 A0 IT7828395 A0 IT 7828395A0
Authority
IT
Italy
Prior art keywords
density
controlling
pressure tank
gas inside
gas
Prior art date
Application number
IT7828395A
Other languages
English (en)
Other versions
IT1100835B (it
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of IT7828395A0 publication Critical patent/IT7828395A0/it
Application granted granted Critical
Publication of IT1100835B publication Critical patent/IT1100835B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/56—Gas reservoirs
    • H01H33/563—Gas reservoirs comprising means for monitoring the density of the insulating gas
    • 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
    • G01L19/04—Means for compensating for effects of changes of temperature, i.e. other than electric compensation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
    • G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
    • G01L7/04—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges in the form of flexible, deformable tubes, e.g. Bourdon gauges
    • G01L7/048—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges in the form of flexible, deformable tubes, e.g. Bourdon gauges correcting or regulating means for flexible, deformable tubes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Vacuum Packaging (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
IT28395/78A 1977-10-04 1978-10-04 Dispositivo per il controllo della densita' di un gas all'interno di un serbatoio a pressione IT1100835B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2744549A DE2744549C2 (de) 1977-10-04 1977-10-04 Einrichtung zur Überwachung der Dichte eines Gases innerhalb eines Druckbehälters

Publications (2)

Publication Number Publication Date
IT7828395A0 true IT7828395A0 (it) 1978-10-04
IT1100835B IT1100835B (it) 1985-09-28

Family

ID=6020598

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28395/78A IT1100835B (it) 1977-10-04 1978-10-04 Dispositivo per il controllo della densita' di un gas all'interno di un serbatoio a pressione

Country Status (10)

Country Link
US (1) US4214474A (it)
JP (2) JPS5463877A (it)
CA (1) CA1117784A (it)
CH (1) CH633886A5 (it)
DE (1) DE2744549C2 (it)
FR (1) FR2405481A1 (it)
GB (1) GB2008763B (it)
IT (1) IT1100835B (it)
NL (1) NL7809999A (it)
SE (1) SE7810319L (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3110305C2 (de) * 1981-03-17 1985-11-07 Alexander Wiegand Gmbh U. Co Armaturen- U. Manometerfabrik, 8763 Klingenberg Vorrichtung zur Überwachung der Dichte eines Gases innerhalb eines Anlagebehälters
US4408484A (en) * 1981-06-04 1983-10-11 Gas Service Energy Corporation Temperature compensated gauge for pressurized gas such as natural gas fuel for vehicles
IT1153489B (it) * 1982-04-15 1987-01-14 Nunzio Paviglianiti Manodensostato compensato
US4538458A (en) * 1983-08-26 1985-09-03 Rockwell International Corporation Temperature compensated gas meters
DE3505809A1 (de) * 1985-02-20 1986-08-21 Haenni & Cie Mbh, 7000 Stuttgart Vorrichtung zum ueberwachen der dichte eines gases in einem druckbehaelter
US4935346A (en) 1986-08-13 1990-06-19 Lifescan, Inc. Minimum procedure system for the determination of analytes
DE4302076C2 (de) * 1993-01-27 1996-09-05 Daimler Benz Ag Dichtemeßgerät
US6458326B1 (en) 1999-11-24 2002-10-01 Home Diagnostics, Inc. Protective test strip platform
US6541266B2 (en) 2001-02-28 2003-04-01 Home Diagnostics, Inc. Method for determining concentration of an analyte in a test strip
US6562625B2 (en) 2001-02-28 2003-05-13 Home Diagnostics, Inc. Distinguishing test types through spectral analysis
US6525330B2 (en) 2001-02-28 2003-02-25 Home Diagnostics, Inc. Method of strip insertion detection
SE527448C2 (sv) * 2003-03-06 2006-03-07 Avure Technologies Ab Isostatpress med ett mätelement för indikering av tryckets uppnådda maxvärde
WO2014074878A1 (en) * 2012-11-09 2014-05-15 Franklin Fueling Systems, Inc. Method and apparatus for electrically indicating a gas characteristic
ITBG20130011A1 (it) * 2013-04-24 2014-10-25 Md Electronsystem Srl Sensore di densita' di un fluido
DE102013115007B4 (de) * 2013-12-31 2016-07-14 Trafag Ag Dichtewächter mit Getriebeelement und Verfahren zur Überwachung einer Gasdichte
DE102016006771A1 (de) * 2015-08-24 2017-03-02 Wika Alexander Wiegand Se & Co. Kg Temperaturkompensiertes Manometer mit Schaltausgang
CN105338774B (zh) * 2015-11-17 2019-05-14 上海乐研电气有限公司 一种表玻璃与表壳一体化的sf6气体密度表
DE102016123588B4 (de) 2016-07-20 2025-02-20 Trafag Ag Überwachungsvorrichtung und Überwachungsverfahren für Schaltanlagen mit einer Ventileinrichtung sowie Verwendung der Ventilvorrichtung
EP4027152B1 (en) * 2019-09-04 2026-01-28 Shanghai Roye Electric Co., Ltd. Method for modifying a gas density relay with online self-calibration function and calibration method therefof
CN110987724B (zh) * 2019-12-23 2022-04-26 朗松珂利(上海)仪器仪表有限公司 密度继电器、弹簧管和温度补偿元件的匹配、测试方法
US11254479B2 (en) * 2020-03-10 2022-02-22 High & Mighty Enterprises, Llp Lid for a storage container

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE224213C (it) *
DE374730C (de) * 1918-09-21 1923-04-27 Optische Anstalt C P Goerz Akt Durch Gasdruck gesteuerte Anzeigevorrichtung
US2491548A (en) * 1945-07-24 1949-12-20 Robertshaw Fulton Controls Co Device responsive to variable density
FR1106317A (fr) * 1953-06-22 1955-12-16 Bendix Aviat Corp Perfectionnements aux manomètres de bourdon
US2989863A (en) * 1958-05-15 1961-06-27 Gen Electric Gas leakage detecting means
US3075390A (en) * 1959-06-18 1963-01-29 Ametek Inc Temperature compensating connecting linkage
US3269186A (en) * 1963-07-22 1966-08-30 Specialties Dev Corp Temperature compensated pressure indicator
DE2321957C2 (de) * 1973-05-02 1975-06-05 Alexander Wiegand Armaturen- U. Manometerfabrik, 8763 Klingenberg Vorrichtung zur Temperaturkompensation federelastischen MeSelementen
JPH114271A (ja) * 1997-06-12 1999-01-06 Hitachi Denshi Ltd 多値振幅位相変調方式の伝送装置

Also Published As

Publication number Publication date
JPS5463877A (en) 1979-05-23
CA1117784A (en) 1982-02-09
GB2008763A (en) 1979-06-06
JPS6258744U (it) 1987-04-11
IT1100835B (it) 1985-09-28
FR2405481B3 (it) 1981-07-31
DE2744549A1 (de) 1979-04-05
CH633886A5 (de) 1982-12-31
US4214474A (en) 1980-07-29
SE7810319L (sv) 1979-04-05
DE2744549C2 (de) 1984-03-29
FR2405481A1 (fr) 1979-05-04
NL7809999A (nl) 1979-04-06
GB2008763B (en) 1982-04-15

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961029