FR2732460B1 - BISTABLE INDICATOR DEVICE FOR SIGNALING A GAS PRESSURE DROP IN A CHAMBER - Google Patents

BISTABLE INDICATOR DEVICE FOR SIGNALING A GAS PRESSURE DROP IN A CHAMBER

Info

Publication number
FR2732460B1
FR2732460B1 FR9504063A FR9504063A FR2732460B1 FR 2732460 B1 FR2732460 B1 FR 2732460B1 FR 9504063 A FR9504063 A FR 9504063A FR 9504063 A FR9504063 A FR 9504063A FR 2732460 B1 FR2732460 B1 FR 2732460B1
Authority
FR
France
Prior art keywords
signaling
chamber
gas pressure
pressure drop
indicator device
Prior art date
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 - Fee Related
Application number
FR9504063A
Other languages
French (fr)
Other versions
FR2732460A1 (en
Inventor
Louis Chossinand
Bernard Cayoux
Pierre Chaudouard
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.)
Schneider Electric SE
Original Assignee
Schneider Electric SE
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 Schneider Electric SE filed Critical Schneider Electric SE
Priority to FR9504063A priority Critical patent/FR2732460B1/en
Priority to ES96410019T priority patent/ES2161999T3/en
Priority to EP19960410019 priority patent/EP0735558B1/en
Priority to DE1996614293 priority patent/DE69614293T2/en
Publication of FR2732460A1 publication Critical patent/FR2732460A1/en
Application granted granted Critical
Publication of FR2732460B1 publication Critical patent/FR2732460B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
    • H01H33/304—Working fluid supplies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/04—Energy stored by deformation of elastic members
    • H01H5/06—Energy stored by deformation of elastic members by compression or extension of coil springs
FR9504063A 1995-03-31 1995-03-31 BISTABLE INDICATOR DEVICE FOR SIGNALING A GAS PRESSURE DROP IN A CHAMBER Expired - Fee Related FR2732460B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9504063A FR2732460B1 (en) 1995-03-31 1995-03-31 BISTABLE INDICATOR DEVICE FOR SIGNALING A GAS PRESSURE DROP IN A CHAMBER
ES96410019T ES2161999T3 (en) 1995-03-31 1996-03-08 BISTABLE INDICATOR DEVICE FOR SIGNALING A GAS PRESSURE FALL INSIDE A PREPARATION.
EP19960410019 EP0735558B1 (en) 1995-03-31 1996-03-08 Bistable indicator device for signalling a pressure drop of a gas in an enclosure
DE1996614293 DE69614293T2 (en) 1995-03-31 1996-03-08 Bistable indicator to indicate a gas pressure drop in a room

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9504063A FR2732460B1 (en) 1995-03-31 1995-03-31 BISTABLE INDICATOR DEVICE FOR SIGNALING A GAS PRESSURE DROP IN A CHAMBER

Publications (2)

Publication Number Publication Date
FR2732460A1 FR2732460A1 (en) 1996-10-04
FR2732460B1 true FR2732460B1 (en) 1997-05-09

Family

ID=9477792

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9504063A Expired - Fee Related FR2732460B1 (en) 1995-03-31 1995-03-31 BISTABLE INDICATOR DEVICE FOR SIGNALING A GAS PRESSURE DROP IN A CHAMBER

Country Status (4)

Country Link
EP (1) EP0735558B1 (en)
DE (1) DE69614293T2 (en)
ES (1) ES2161999T3 (en)
FR (1) FR2732460B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI100559B (en) * 1996-02-26 1997-12-31 Abb Transmit Oy Method and arrangement for vacuum locking of a gas-filled device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR716249A (en) * 1930-04-30 1931-12-17 Thomson Houston Comp Francaise Improvements to control devices such as automatic contact devices
US2545056A (en) * 1947-08-25 1951-03-13 Honeywell Regulator Co Control device
US2966566A (en) * 1958-10-07 1960-12-27 American District Telegraph Co Signal transmitting apparatus
US3157758A (en) * 1962-03-19 1964-11-17 Illinois Tool Works Snap-action electric switch
FR1364999A (en) * 1962-08-17 1964-06-26 Micro Electric Ag Device forming an electrical switch or switch or the like and its various applications
CH403970A (en) * 1963-03-01 1965-12-15 Landis & Gyr Ag Switch controlled by a quantity counter
DE3142746A1 (en) * 1981-10-28 1983-05-05 Siemens AG, 1000 Berlin und 8000 München GAS DENSITY INDICATOR
DE3238530C2 (en) * 1982-10-18 1986-05-07 Franz Kirsten Elektrotechnische Spezialfabrik, 6530 Bingen Snap switch
FR2637423B1 (en) * 1988-10-04 1991-04-19 Merlin Gerin ELECTRICAL STATION OR CELL WITH GAS INSULATION, EQUIPPED WITH A LOCKING DEVICE WITH LACK OF GAS PRESSURE
DE9106589U1 (en) * 1991-05-29 1991-07-11 Abb Patent Gmbh, 6800 Mannheim, De

Also Published As

Publication number Publication date
ES2161999T3 (en) 2001-12-16
DE69614293D1 (en) 2001-09-13
FR2732460A1 (en) 1996-10-04
DE69614293T2 (en) 2002-05-23
EP0735558A1 (en) 1996-10-02
EP0735558B1 (en) 2001-08-08

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Legal Events

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CA Change of address
CD Change of name or company name
CD Change of name or company name
CJ Change in legal form
ST Notification of lapse

Effective date: 20081125