SE7412280L - - Google Patents
Info
- Publication number
- SE7412280L SE7412280L SE7412280A SE7412280A SE7412280L SE 7412280 L SE7412280 L SE 7412280L SE 7412280 A SE7412280 A SE 7412280A SE 7412280 A SE7412280 A SE 7412280A SE 7412280 L SE7412280 L SE 7412280L
- Authority
- SE
- Sweden
- Prior art keywords
- contact member
- cylinder
- piston
- switch
- movable contact
- Prior art date
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
Landscapes
- Circuit Breakers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732349331 DE2349331A1 (de) | 1973-10-01 | 1973-10-01 | Elektrischer schalter |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7412280L true SE7412280L (cs) | 1975-04-02 |
Family
ID=5894261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7412280A SE7412280L (cs) | 1973-10-01 | 1974-09-30 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3955057A (cs) |
JP (1) | JPS5061667A (cs) |
DE (1) | DE2349331A1 (cs) |
FR (1) | FR2246964A1 (cs) |
IT (1) | IT1019444B (cs) |
NL (1) | NL7412437A (cs) |
SE (1) | SE7412280L (cs) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4044211A (en) * | 1975-08-07 | 1977-08-23 | Westinghouse Electric Corporation | Puffer-type compressed-gas circuit-interrupter |
CH590552A5 (cs) * | 1975-09-26 | 1977-08-15 | Sprecher & Schuh Ag | |
US4112276A (en) * | 1976-09-28 | 1978-09-05 | Westinghouse Electric Corp. | Compressed-gas circuit-interrupter having a sleeve-valve for temporarily blocking the orifice throat |
JP2519237Y2 (ja) * | 1990-07-06 | 1996-12-04 | 東洋アルミホイルプロダクツ株式会社 | ゴミ箱 |
FR2756413B1 (fr) * | 1996-11-28 | 1998-12-31 | Gec Alsthom T & D Sa | Disjoncteur a piston semi-mobile |
FR2906642B1 (fr) * | 2006-09-29 | 2008-12-19 | Areva T & D Sa | Actionnement par came cylindrique des contacts d'une chambre de coupure a double mouvement. |
FR2906929B1 (fr) * | 2006-10-09 | 2009-01-30 | Areva T & D Sa | Actionnement par des contacts d'une chambre de coupure a double mouvement par un tube isolant |
WO2016165733A1 (en) | 2015-04-13 | 2016-10-20 | Abb Technology Ag | Device for interrupting non-short circuit currents only, in particular disconnector or earthing switch |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3659065A (en) * | 1970-03-06 | 1972-04-25 | Westinghouse Electric Corp | Fluid-blast circuit interrupter with delayed moving contact travel |
US3739125A (en) * | 1972-04-27 | 1973-06-12 | Gen Electric | Puffer type gas blast circuit breaker |
-
1973
- 1973-10-01 DE DE19732349331 patent/DE2349331A1/de active Pending
-
1974
- 1974-08-30 JP JP49099089A patent/JPS5061667A/ja active Pending
- 1974-09-20 NL NL7412437A patent/NL7412437A/xx unknown
- 1974-09-30 IT IT53281/74A patent/IT1019444B/it active
- 1974-09-30 FR FR7432932A patent/FR2246964A1/fr not_active Withdrawn
- 1974-09-30 US US05/510,558 patent/US3955057A/en not_active Expired - Lifetime
- 1974-09-30 SE SE7412280A patent/SE7412280L/ not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPS5061667A (cs) | 1975-05-27 |
FR2246964A1 (cs) | 1975-05-02 |
US3955057A (en) | 1976-05-04 |
IT1019444B (it) | 1977-11-10 |
NL7412437A (nl) | 1975-04-03 |
DE2349331A1 (de) | 1975-04-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
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