EP 0069822 A3 19830831 - NOZZLE BODY OF INSULATING MATERIAL FOR AN ELECTRIC COMPRESSED-GAS CIRCUIT BREAKER
Title (en)
NOZZLE BODY OF INSULATING MATERIAL FOR AN ELECTRIC COMPRESSED-GAS CIRCUIT BREAKER
Publication
Application
Priority
CH 457081 A 19810713
Abstract (en)
[origin: EP0069822A2] 1. Insulating nozzle body (1, 2, 9) for an electrical gas blast switch having two matching contact pieces which can be mutually engaged and separated, and one (4) of which shuts off the nozzle when the switch is closed and frees it during its opening movement, and with an insert piece (3, 8) which is resistant to burn-off, characterized in that the insert piece is an insert ring (3, 8) made of graphite, and located in the most constricted region of the nozzle duct (1, 2, 9).
IPC 1-7
IPC 8 full level
H01H 33/70 (2006.01); H01H 33/74 (2006.01)
CPC (source: EP)
H01H 33/7076 (2013.01)
Citation (search report)
- [X] DE 2533506 A1 19770210 - LICENTIA GMBH
- [X] DE 1002058 B 19570207 - LICENTIA GMBH
- [Y] DE 1194949 B
- [AD] DE 7314984 U 19750206
- [A] DE 2039240 A1 19710408 - MERLIN GERIN
- [A] DE 1281528 B 19681031 - HAZEMEIJER CO
- [A] DE 2924994 A1 19810122 - BBC BROWN BOVERI & CIE
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0069822 A2 19830119; EP 0069822 A3 19830831; EP 0069822 B1 19850911; AT E15567 T1 19850915; DE 3266111 D1 19851017
DOCDB simple family (application)
EP 82102088 A 19820315; AT 82102088 T 19820315; DE 3266111 T 19820315