IT1166619B - COMPRESSED GAS SELF-PNEUMATIC SWITCH - Google Patents

COMPRESSED GAS SELF-PNEUMATIC SWITCH

Info

Publication number
IT1166619B
IT1166619B IT19997/79A IT1999779A IT1166619B IT 1166619 B IT1166619 B IT 1166619B IT 19997/79 A IT19997/79 A IT 19997/79A IT 1999779 A IT1999779 A IT 1999779A IT 1166619 B IT1166619 B IT 1166619B
Authority
IT
Italy
Prior art keywords
compressed gas
pneumatic switch
gas self
self
pneumatic
Prior art date
Application number
IT19997/79A
Other languages
Italian (it)
Other versions
IT7919997A0 (en
Original Assignee
Licentia 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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of IT7919997A0 publication Critical patent/IT7919997A0/en
Application granted granted Critical
Publication of IT1166619B publication Critical patent/IT1166619B/en

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
    • H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
    • H01H33/7023—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle
    • H01H33/703—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle having special gas flow directing elements, e.g. grooves, extensions
IT19997/79A 1978-02-08 1979-02-07 COMPRESSED GAS SELF-PNEUMATIC SWITCH IT1166619B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2805289A DE2805289C2 (en) 1978-02-08 1978-02-08 Auto-pneumatic pressure gas switch

Publications (2)

Publication Number Publication Date
IT7919997A0 IT7919997A0 (en) 1979-02-07
IT1166619B true IT1166619B (en) 1987-05-05

Family

ID=6031427

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19997/79A IT1166619B (en) 1978-02-08 1979-02-07 COMPRESSED GAS SELF-PNEUMATIC SWITCH

Country Status (5)

Country Link
JP (1) JPS54120871A (en)
CH (1) CH639797A5 (en)
DE (1) DE2805289C2 (en)
FR (1) FR2417173B1 (en)
IT (1) IT1166619B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5889736A (en) * 1981-11-25 1983-05-28 株式会社東芝 Buffer type gas breaker
JPS61188825A (en) * 1985-02-15 1986-08-22 株式会社日立製作所 Buffer type gas breaker

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3291948A (en) * 1964-08-06 1966-12-13 Westinghouse Electric Corp Orifice structure for compressed gas-circuit interrupter
DE2336684A1 (en) * 1973-07-19 1975-01-30 Bbc Brown Boveri & Cie Gas-blast cct. breaker with two nozzle contacts - has both contacts moving over different paths for arc extinguishing

Also Published As

Publication number Publication date
DE2805289A1 (en) 1979-08-09
JPS54120871A (en) 1979-09-19
IT7919997A0 (en) 1979-02-07
DE2805289C2 (en) 1984-06-07
FR2417173B1 (en) 1985-07-26
FR2417173A2 (en) 1979-09-07
CH639797A5 (en) 1983-11-30

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