Electric high-tension circuit breaker

Details Electric high-tension circuit breaker Electric high-tension circuit breaker

H - Electricity

01

H

H01H 33/91 (2006.01) H01H 33/90 (2006.01)

Patent

CA 2133330

A self-blow-out switch having a compression device has a pressure chamber heated by electric arc energy connected to a compression space, optionally with valve control. The compression space is connected to a low-pressure space via a pressure relief valve and a refill valve. Two valve disks of the relief and refill valves, which are located between the compression space and the low-pressure space are designed as two concentric washers of different diameters, lying in direct contact with each other and partly overlapping each other, and integrated to form a single valve unit.

Dans un disjoncteur de soufflage automatique muni d'un dispositif de compression, une chambre de compression chauffée par l'énergie de l'arc électrique est reliée à un espace de compression éventuellement par commande à soupapes. L'espace de compression est relié à l'espace de basse pression par l'intermédiaire d'une soupape de surpression et d'une soupape de recharge. Selon l'invention, les deux disques des soupapes disposés entre l'espace de compression (8) et l'espace de basse pression (10) sont conçues comme deux disques annulaires (12, 13) concentriques situés directement l'un contre l'autre et de diamètre différent, se recouvrant partiellement et regroupés pour ne former qu'un seul dispositif de soupapes.

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