DE9106589U1 - - Google Patents

Info

Publication number
DE9106589U1
DE9106589U1 DE9106589U DE9106589U DE9106589U1 DE 9106589 U1 DE9106589 U1 DE 9106589U1 DE 9106589 U DE9106589 U DE 9106589U DE 9106589 U DE9106589 U DE 9106589U DE 9106589 U1 DE9106589 U1 DE 9106589U1
Authority
DE
Germany
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 - Lifetime
Application number
DE9106589U
Other languages
German (de)
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.)
ABB Patent GmbH
Original Assignee
ABB Patent GmbH
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 ABB Patent GmbH filed Critical ABB Patent GmbH
Priority to DE9106589U priority Critical patent/DE9106589U1/de
Publication of DE9106589U1 publication Critical patent/DE9106589U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • G01L19/08—Means for indicating or recording, e.g. for remote indication
    • G01L19/12—Alarms or signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/26—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring pressure differences
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/26—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring pressure differences
    • G01N2009/263—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring pressure differences using vertically-movable pressure transducer
DE9106589U 1991-05-29 1991-05-29 Expired - Lifetime DE9106589U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9106589U DE9106589U1 (en) 1991-05-29 1991-05-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9106589U DE9106589U1 (en) 1991-05-29 1991-05-29

Publications (1)

Publication Number Publication Date
DE9106589U1 true DE9106589U1 (en) 1991-07-11

Family

ID=6867757

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9106589U Expired - Lifetime DE9106589U1 (en) 1991-05-29 1991-05-29

Country Status (1)

Country Link
DE (1) DE9106589U1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0735558A1 (en) * 1995-03-31 1996-10-02 Schneider Electric Sa Bistable indicator device for signalling a pressure drop of a gas in an enclosure
ITBG20130011A1 (en) * 2013-04-24 2014-10-25 Md Electronsystem Srl DENSITY SENSOR OF A FLUID
WO2015101442A1 (en) * 2013-12-31 2015-07-09 Trafag Ag Gas density monitor comprising a transmission element, and gas density monitoring method
DE102016214198A1 (en) * 2016-08-02 2018-02-08 Siemens Aktiengesellschaft Monitoring a gas pressure in a gas space

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0735558A1 (en) * 1995-03-31 1996-10-02 Schneider Electric Sa Bistable indicator device for signalling a pressure drop of a gas in an enclosure
FR2732460A1 (en) * 1995-03-31 1996-10-04 Schneider Electric Sa BISTABLE INDICATOR DEVICE FOR SIGNALING A GAS PRESSURE DROP IN AN ENCLOSURE
ITBG20130011A1 (en) * 2013-04-24 2014-10-25 Md Electronsystem Srl DENSITY SENSOR OF A FLUID
EP2796852A1 (en) * 2013-04-24 2014-10-29 Electronsystem MD S.r.l. Temperature-compensated fluid density sensor
WO2015101442A1 (en) * 2013-12-31 2015-07-09 Trafag Ag Gas density monitor comprising a transmission element, and gas density monitoring method
DE102016214198A1 (en) * 2016-08-02 2018-02-08 Siemens Aktiengesellschaft Monitoring a gas pressure in a gas space

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