EP 0082801 B1 19860730 - VACUUM SWITCH WITH A RING TO CREATE AN AXIAL MAGNETIC FIELD
Title (en)
VACUUM SWITCH WITH A RING TO CREATE AN AXIAL MAGNETIC FIELD
Publication
Application
Priority
DE 3151907 A 19811223
Abstract (en)
[origin: US4445015A] A vacuum switching tube with a ring to generate an axial magnetic field. A vacuum switching tube is provided with a switching device member 12, which includes a conventional switching device 14 and an immediately adjacent axial field coil, which essentially consists of a galvanic open ring 20 with radially branching off conductor devices 22, 23 for current sink and drain. The inner diameter of the ring 20 approximates the outer diameter of the switching device 14. In this manner, an axially directed magnetic field is generated in the area of the contact surface of the switching device. The axially magnetic field counteracts the contraction of the switching light arcs.
IPC 1-7
IPC 8 full level
H01H 33/66 (2006.01); H01H 33/664 (2006.01)
CPC (source: EP US)
H01H 33/6644 (2013.01 - EP US); H01H 33/6642 (2013.01 - EP US)
Designated contracting state (EPC)
CH DE GB IT LI
DOCDB simple family (publication)
EP 0082801 A1 19830629; EP 0082801 B1 19860730; DE 3151907 A1 19830630; DE 3272374 D1 19860904; JP S58111231 A 19830702; US 4445015 A 19840424
DOCDB simple family (application)
EP 82730139 A 19821123; DE 3151907 A 19811223; DE 3272374 T 19821123; JP 21455982 A 19821207; US 45190982 A 19821221