BR7604310A - PERFECT CUTTING APPLIANCE - Google Patents

PERFECT CUTTING APPLIANCE

Info

Publication number
BR7604310A
BR7604310A BR7604310A BR7604310A BR7604310A BR 7604310 A BR7604310 A BR 7604310A BR 7604310 A BR7604310 A BR 7604310A BR 7604310 A BR7604310 A BR 7604310A BR 7604310 A BR7604310 A BR 7604310A
Authority
BR
Brazil
Prior art keywords
cutting appliance
perfect cutting
perfect
appliance
cutting
Prior art date
Application number
BR7604310A
Other languages
Portuguese (pt)
Inventor
D Nicoloso
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
Publication of BR7604310A publication Critical patent/BR7604310A/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
    • H01H33/88—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
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/52—Driving mechanisms, i.e. for transmitting driving force to the contacts with means to ensure stopping at intermediate operative positions
    • 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
BR7604310A 1975-07-02 1976-07-01 PERFECT CUTTING APPLIANCE BR7604310A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7520833A FR2316713A1 (en) 1975-07-02 1975-07-02 Contact breaker with gas blow out - has movable arc contact travel limited by roller and ramp engaging connecting rod

Publications (1)

Publication Number Publication Date
BR7604310A true BR7604310A (en) 1977-07-26

Family

ID=9157421

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7604310A BR7604310A (en) 1975-07-02 1976-07-01 PERFECT CUTTING APPLIANCE

Country Status (5)

Country Link
BR (1) BR7604310A (en)
CH (1) CH601911A5 (en)
ES (1) ES448504A1 (en)
FR (1) FR2316713A1 (en)
IT (1) IT1074169B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101702388B (en) * 2009-11-18 2012-08-22 中国西电电气股份有限公司 Variable-speed moving device of main contact and arc contact in arc extinguishing chamber
CN102306566B (en) * 2011-08-26 2013-10-02 中国西电电气股份有限公司 Contact asynchronous double-speed movement actuating mechanism for generator breaker

Also Published As

Publication number Publication date
IT1074169B (en) 1985-04-17
FR2316713B1 (en) 1980-04-11
FR2316713A1 (en) 1977-01-28
ES448504A1 (en) 1977-07-01
CH601911A5 (en) 1978-07-14

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