IT1092138B - Interruttori elettrico - Google Patents
Interruttori elettricoInfo
- Publication number
- IT1092138B IT1092138B IT19646/78A IT1964678A IT1092138B IT 1092138 B IT1092138 B IT 1092138B IT 19646/78 A IT19646/78 A IT 19646/78A IT 1964678 A IT1964678 A IT 1964678A IT 1092138 B IT1092138 B IT 1092138B
- Authority
- IT
- Italy
- Prior art keywords
- electric switches
- switches
- electric
- Prior art date
Links
Classifications
-
- 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
- H01H33/91—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 air or gas
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2703550A DE2703550C2 (de) | 1977-01-27 | 1977-01-27 | Elektrischer Schalter |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7819646A0 IT7819646A0 (it) | 1978-01-26 |
IT1092138B true IT1092138B (it) | 1985-07-06 |
Family
ID=5999811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19646/78A IT1092138B (it) | 1977-01-27 | 1978-01-26 | Interruttori elettrico |
Country Status (11)
Country | Link |
---|---|
US (1) | US4258239A (it) |
JP (1) | JPS5393375A (it) |
BR (1) | BR7800469A (it) |
CH (1) | CH620046A5 (it) |
DE (1) | DE2703550C2 (it) |
FR (1) | FR2379149A1 (it) |
GB (1) | GB1545192A (it) |
IT (1) | IT1092138B (it) |
NL (1) | NL7713742A (it) |
SE (1) | SE421091B (it) |
SU (1) | SU694105A3 (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8119801U1 (de) * | 1981-07-02 | 1984-11-29 | Siemens AG, 1000 Berlin und 8000 München | Kontaktsystem für Druckgas-Leistungsschalter |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3588407A (en) * | 1967-07-31 | 1971-06-28 | Westinghouse Electric Corp | Puffer piston gas blast circuit interrupter with insulating nozzle member and valve acting hollow contacts |
US3659065A (en) * | 1970-03-06 | 1972-04-25 | Westinghouse Electric Corp | Fluid-blast circuit interrupter with delayed moving contact travel |
DE2347605A1 (de) * | 1973-09-18 | 1975-03-20 | Siemens Ag | Elektrischer druckgasschalter |
DE2406143C3 (de) * | 1974-02-07 | 1978-04-20 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Elektrischer Druckgas-Leistungsschalter mit zwei feststehenden Schaltstücken und einem Brückenschaltstück |
FR2273362A1 (en) * | 1974-05-31 | 1975-12-26 | Alsthom Cgee | High voltage circuit breaker - has fixed contact with semi-mobile contact movable from mobile contact by spring |
FR2327626A1 (fr) * | 1975-10-09 | 1977-05-06 | Alsthom Cgee | Appareil de coupure electrique a soufflage d'arc |
-
1977
- 1977-01-27 DE DE2703550A patent/DE2703550C2/de not_active Expired
- 1977-10-28 CH CH1313377A patent/CH620046A5/de not_active IP Right Cessation
- 1977-12-12 NL NL7713742A patent/NL7713742A/xx not_active Application Discontinuation
-
1978
- 1978-01-04 FR FR7800172A patent/FR2379149A1/fr active Granted
- 1978-01-06 GB GB577/78A patent/GB1545192A/en not_active Expired
- 1978-01-10 SE SE7800263A patent/SE421091B/sv unknown
- 1978-01-17 US US05/870,067 patent/US4258239A/en not_active Expired - Lifetime
- 1978-01-23 SU SU782569349A patent/SU694105A3/ru active
- 1978-01-25 JP JP713078A patent/JPS5393375A/ja active Pending
- 1978-01-26 BR BR7800469A patent/BR7800469A/pt unknown
- 1978-01-26 IT IT19646/78A patent/IT1092138B/it active
Also Published As
Publication number | Publication date |
---|---|
IT7819646A0 (it) | 1978-01-26 |
CH620046A5 (it) | 1980-10-31 |
DE2703550B1 (de) | 1978-07-13 |
JPS5393375A (en) | 1978-08-16 |
SE7800263L (sv) | 1978-07-28 |
FR2379149A1 (fr) | 1978-08-25 |
DE2703550C2 (de) | 1980-06-19 |
US4258239A (en) | 1981-03-24 |
BR7800469A (pt) | 1978-09-26 |
FR2379149B1 (it) | 1982-03-12 |
SE421091B (sv) | 1981-11-23 |
GB1545192A (en) | 1979-05-02 |
NL7713742A (nl) | 1978-07-31 |
SU694105A3 (ru) | 1979-10-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1094377B (it) | Interruttore elettrico | |
IT1174396B (it) | Interuttore elettrico | |
FI64222B (fi) | Elektriskt hopvikbar mellanvaegg | |
TR20756A (tr) | Elektrik salterleri | |
IT1105795B (it) | Interruttore elettrico | |
DK266678A (da) | Elektrisk tidsomskifter | |
SE7801407L (sv) | Stromstellare | |
IT1098688B (it) | Pressostato elettrico | |
IT1094382B (it) | Interruttore elettrico modulare | |
IT1102126B (it) | Complesso di interruttori elettrici | |
IT1151044B (it) | Interruttore elettrico | |
SE7811370L (sv) | Elektrisk stromstellare | |
ES235071Y (es) | Conmutador electrico. | |
BR7802001A (pt) | Comutador otico eletrico | |
IT1133447B (it) | Interruttore elettrico | |
IT1102116B (it) | Interruttore elettrico | |
AT374048B (de) | Elektrischer schalter | |
IT1096417B (it) | Pressostato elettrico | |
IT1102042B (it) | Interruttore elettrico | |
IT1121230B (it) | Interruttore elettrico | |
IT1105986B (it) | Complesso di interruttori elettrici | |
DK353078A (da) | Elektrisk snapafbryder | |
IT1092138B (it) | Interruttori elettrico | |
BR7801876A (pt) | Comutador eletrico | |
IT1101542B (it) | Pressostato elettrico |