EP 1099232 A2 20010516 - ARC EXTINGUISHING AID
Title (en)
ARC EXTINGUISHING AID
Title (de)
LICHTBOGENLÖSCHHILFE
Title (fr)
ORGANE AUXILIAIRE D'EXTINCTION D'ARC ELECTRIQUE
Publication
Application
Priority
- DE 19914773 A 19990331
- EP 0002914 W 20000331
Abstract (en)
[origin: US6683764B1] The invention discloses an arc extinguishing aid with an externally powered magnetic blowout coil 3 for switching low currents in which the current direction in the externally powered magnetic blowout coil 3 is switched based on the detection of the current direction in the primary circuit of a DC power switch.
IPC 1-7
IPC 8 full level
H01H 9/44 (2006.01); H01H 33/59 (2006.01)
CPC (source: EP KR US)
H01H 9/44 (2013.01 - EP US); H01H 33/00 (2013.01 - KR); H01H 33/596 (2013.01 - EP US)
Citation (search report)
See references of WO 0065624A2
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
US 6683764 B1 20040127; AT E370510 T1 20070915; AU 4746200 A 20001110; CN 1199210 C 20050427; CN 1310852 A 20010829; DE 19914773 A1 20001005; DE 19914773 B4 20090430; DE 50014565 D1 20070927; EA 002786 B1 20021031; EA 200001243 A1 20011022; EP 1099232 A2 20010516; EP 1099232 B1 20070815; KR 100694954 B1 20070314; KR 20010052449 A 20010625; PL 197384 B1 20080331; PL 348430 A1 20020520; SK 16622000 A3 20010510; SK 286408 B6 20080905; WO 0065624 A2 20001102; WO 0065624 A3 20010322
DOCDB simple family (application)
US 70159201 A 20010208; AT 00929336 T 20000331; AU 4746200 A 20000331; CN 00800390 A 20000331; DE 19914773 A 19990331; DE 50014565 T 20000331; EA 200001243 A 20000331; EP 0002914 W 20000331; EP 00929336 A 20000331; KR 20007013475 A 20001129; PL 34843000 A 20000331; SK 16622000 A 20000331