IT1027567B - Apparecchio elettrico di interruzione a soffiatura mediante autocompressione - Google Patents

Apparecchio elettrico di interruzione a soffiatura mediante autocompressione

Info

Publication number
IT1027567B
IT1027567B IT2733774A IT2733774A IT1027567B IT 1027567 B IT1027567 B IT 1027567B IT 2733774 A IT2733774 A IT 2733774A IT 2733774 A IT2733774 A IT 2733774A IT 1027567 B IT1027567 B IT 1027567B
Authority
IT
Italy
Prior art keywords
blower
compression
self
electrical device
interruption
Prior art date
Application number
IT2733774A
Other languages
English (en)
Italian (it)
Original Assignee
Alsthom Cgee
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 Alsthom Cgee filed Critical Alsthom Cgee
Application granted granted Critical
Publication of IT1027567B publication Critical patent/IT1027567B/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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/905—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the compression volume being formed by a movable cylinder and a semi-mobile piston
    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/904—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism characterised by the transmission between operating mechanism and piston or movable contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/62—Lubricating means structurally associated with the switch
    • 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
    • H01H33/565—Gas-tight sealings for moving parts penetrating into the reservoir
IT2733774A 1973-09-17 1974-09-17 Apparecchio elettrico di interruzione a soffiatura mediante autocompressione IT1027567B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7333278A FR2244248A1 (en) 1973-09-17 1973-09-17 Circuit breaker spark extinction device - uses two compression chambers arranged in line to give self compression

Publications (1)

Publication Number Publication Date
IT1027567B true IT1027567B (it) 1978-12-20

Family

ID=9125128

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2733774A IT1027567B (it) 1973-09-17 1974-09-17 Apparecchio elettrico di interruzione a soffiatura mediante autocompressione

Country Status (3)

Country Link
CH (1) CH582420A5 (enrdf_load_stackoverflow)
FR (1) FR2244248A1 (enrdf_load_stackoverflow)
IT (1) IT1027567B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH622378A5 (enrdf_load_stackoverflow) * 1977-12-12 1981-03-31 Sprecher & Schuh Ag

Also Published As

Publication number Publication date
FR2244248A1 (en) 1975-04-11
CH582420A5 (enrdf_load_stackoverflow) 1976-11-30
FR2244248B1 (enrdf_load_stackoverflow) 1976-05-14

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