NL7210901A - - Google Patents

Info

Publication number
NL7210901A
NL7210901A NL7210901A NL7210901A NL7210901A NL 7210901 A NL7210901 A NL 7210901A NL 7210901 A NL7210901 A NL 7210901A NL 7210901 A NL7210901 A NL 7210901A NL 7210901 A NL7210901 A NL 7210901A
Authority
NL
Netherlands
Application number
NL7210901A
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 filed Critical
Publication of NL7210901A publication Critical patent/NL7210901A/xx

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
    • H01H33/92—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 arc-extinguishing fluid being liquid, e.g. oil
    • 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
    • H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
    • H01H33/75—Liquid-break switches, e.g. oil-break

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Circuit Breakers (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
NL7210901A 1971-08-12 1972-08-09 NL7210901A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1189671A CH534421A (en) 1971-08-12 1971-08-12 Low-liquid circuit breaker

Publications (1)

Publication Number Publication Date
NL7210901A true NL7210901A (en) 1973-02-14

Family

ID=4377938

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7210901A NL7210901A (en) 1971-08-12 1972-08-09

Country Status (8)

Country Link
JP (1) JPS4827274A (en)
CH (1) CH534421A (en)
DE (2) DE7132913U (en)
FR (1) FR2148621B1 (en)
IT (1) IT963575B (en)
NL (1) NL7210901A (en)
PL (1) PL78234B1 (en)
SE (1) SE384424B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013108154A1 (en) * 2013-07-30 2015-02-05 Abb Technology Ag breakers

Also Published As

Publication number Publication date
FR2148621A1 (en) 1973-03-23
PL78234B1 (en) 1975-04-30
DE7132913U (en) 1973-06-20
JPS4827274A (en) 1973-04-10
DE2143168A1 (en) 1973-02-22
FR2148621B1 (en) 1977-12-23
SE384424B (en) 1976-05-03
CH534421A (en) 1973-02-28
IT963575B (en) 1974-01-21

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Legal Events

Date Code Title Description
BV The patent application has lapsed