EP 0061992 B1 19861120 - HIGH-VOLTAGE GAS-BLAST PUFFER TYPE CIRCUIT-BREAKER
Title (en)
HIGH-VOLTAGE GAS-BLAST PUFFER TYPE CIRCUIT-BREAKER
Publication
Application
Priority
- DE 3113325 A 19810330
- DE 3124075 A 19810616
- DE 3201646 A 19820118
Abstract (en)
[origin: EP0061992A2] A gas-blast puffer type SF6 circuit-breaker exhibiting essentially features as follows: Dual-blast nozzle arrangement wherein a first nozzle being made of electrically conductive material, and a second nozzle being made of electrically insulating material; a movable compression cylinder of electrically insulating material bearing a tube-shaped contact piece intended for carrying mainly continuous current; a nozzle-shaped arcing contact piece connected mechanically rigid and electrically suitable for carrying current with said movable contact piece. The further improvement to said inventive concept characterize: A first compression cylinder of electrically insulating material surrounding temporarilly the nozzle arrangement and being engaged with a first fixed piston; a second compression cylinder of metal being engaged with a temporarilly catchable compression piston, both cylinders and pistons establishing a first and a second volume, said volumes communicating pneumatically with each other in a controllable manner, representing during an opening operation a high-performance gas compression system. In a third step of this systematic development the high-performance compression system is further improved to an impulse compression system by speeding up the movable constructural components of the circuit-breaker and setting in the main gas compression successively.
IPC 1-7
IPC 8 full level
H01H 33/88 (2006.01); H01H 33/90 (2006.01); H01H 33/91 (2006.01); H01H 33/915 (2006.01); H01H 33/24 (2006.01); H01H 33/70 (2006.01)
CPC (source: EP)
H01H 33/884 (2013.01); H01H 33/901 (2013.01); H01H 33/91 (2013.01); H01H 33/24 (2013.01); H01H 33/7015 (2013.01); H01H 33/905 (2013.01); H01H 2033/907 (2013.01)
Designated contracting state (EPC)
CH FR GB LI SE
DOCDB simple family (publication)
EP 0061992 A2 19821006; EP 0061992 A3 19830817; EP 0061992 B1 19861120
DOCDB simple family (application)
EP 82730040 A 19820323