Global Patent Index - EP 1064663 A1

EP 1064663 A1 2001-01-03 - BLOW-OUT COIL FOR GAS-INSULATED LOAD-BREAK SWITCHES

Title (en)

BLOW-OUT COIL FOR GAS-INSULATED LOAD-BREAK SWITCHES

Title (de)

LÖSCHSPULE FÜR GASISOLIERTE LASTTRENNSCHALTER

Title (fr)

BOBINE DE SOUFFLAGE POUR SECTIONNEURS SOUS CHARGE ISOLES DES GAZ

Publication

EP 1064663 A1 (DE)

Application

EP 99910366 A

Priority

  • DE 19813217 A
  • EP 9901828 W

Abstract (en)

[origin: WO9949488A1] The invention relates to a blow-out coil for gas-insulated load-break switches whose phases have one fixed and one mobile contact, comprising a winding body supporting a single- or multi-layer winding connected to a fixed contact potential, and a field-control electrode. According to the invention the blow-out coil is configured in such a way that it can be used at lower cost and almost universally in load-break switches or switches requiring a load switching capacity. To this end the turn (9; 24) of the winding (6; 19) facing the contacts (2/4; 2a/4a; 15/25) is uninsulated, the end section (10; 23) of said turn (9; 24) is pointed towards the fixed-contact-side base of the electric arc and the free end of the end section (10; 23) is positioned at a minimum distance to said base and to the mobile contact (4; 4a; 25) which can be moved past said end.

IPC 1-7 (main, further and additional classification)

H01H 33/18

IPC 8 full level (invention and additional information)

H01H 9/44 (2006.01); H01H 33/18 (2006.01)

IPC 8 main group level (invention and additional information)

H01H (2006.01)

CPC (invention and additional information)

H01H 33/187 (2013.01)

Citation (search report)

See references of WO 9949488A1

Designated contracting state (EPC)

AT CH DE ES FR GB IT LI SE

EPO simple patent family

WO 9949488 A1 19990930; AT 210886 T 20011215; BR 9908370 A 20001121; CN 1120511 C 20030903; CN 1274468 A 20001122; CZ 20000918 A3 20000712; CZ 296224 B6 20060215; DE 19813217 C1 19991125; EP 1064663 A1 20010103; EP 1064663 B1 20011212; ES 2168857 T3 20020616; NO 20000646 A 20000926; NO 20000646 D0 20000209; NO 317375 B1 20041018; PL 191260 B1 20060428; PL 341863 A1 20010507

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