Getter device for vacuum circuit breaker

Details Getter device for vacuum circuit breaker Getter device for vacuum circuit breaker

H - Electricity

01

H

H01H 33/66 (2006.01) H01H 33/668 (2006.01)

Patent

CA 2479221

Getter device for positioning in a vacuum interior space (12) of a vacuum circuit breaker (10). The getter device comprises at least one tablet (2) of getter material. The interior space (12) comprises a metal wall (13, 16, 11, 17, 19, 21) with a groove (4) in which the at least one tablet (2) can be placed, and the at least one tablet (2) can be fixed by at least one depression in an edge (7; 9) of the groove (4). The metal wall may be formed by a contact pin (13, 16) of one of the contacts (14, 15) or a wall of the enclosure, which comprises an end cap (11), a first shielding (17), a second shielding (19) or a second end cap (21).

L'invention concerne un dispositif de dégazage devant être placé dans un espace intérieur sous vide (12) d'un disjoncteur à vide (10). Ce dispositif de dégazage comprend au moins une pastille (2) de matériau dégazeur. L'espace intérieur (12) comprend une paroi métallique (13, 16, 11, 17, 19, 21) dotée d'une rainure (4) qui peut loger au moins une pastille (2) éventuellement retenue par le bord (7, 9) d'un creux de la rainure (4). La paroi métallique peut être formée par une broche de contact (13, 16) d'un des contacts (14, 15) ou par une paroi de l'enceinte, qui comprend un capuchon d'extrémité (11), un premier blindage (17), un second blindage (19) ou un second capuchon d'extrémité (21).

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