Current interrupter device having a double compression chamber

Details Current interrupter device having a double compression chamber Current interrupter device having a double compression chamber

H - Electricity

01

H

H01H 33/90 (2006.01)

Patent

CA 2627916

The invention relates to a current interrupter device (1) filled with a dielectric fluid (3) comprising a mobile assembly (10) that axially moves between a starting position and a final position of operation of opening the circuit-breaker, comprising at least one first compression chamber (5) whose volume diminishes between the starting position and an open position of the first chamber (5), at least one first arcing contact (8) intended for interacting with a second arcing contact (7), at least one second compression chamber (13), communicating with the first chamber (5) whose volume diminishes between the starting position and the final position, intended for injecting a fluid (3) into the first chamber (5), between the open position and the final position when the pressure inside the first chamber (5) is less than the pressure inside the second chamber (13).

La présente invention concerne une chambre de coupure de courant (1) remplie d'un fluide diélectrique (3) comportant un ensemble mobile (10), se déplaçant axialement entre une position de début et une position de fin d'opération d'ouverture du disjoncteur, comprenant au moins une première chambre de compression (5) dont le volume diminue entre la position de début et une position d'ouverture de la première chambre (5), au moins un premier contact d'arc (8), destiné à coopérer avec un second contact d'arc (7), au moins une seconde chambre de compression (13), communiquant avec la première chambre (5) , dont le volume diminue entre la position de début et la position de fin, destinée à injecter du fluide (3) dans la première chambre (5) , entre la position d'ouverture et la position de fin, lorsque la pression dans la première chambre (5) est inférieure à la pression dans la seconde chambre (13) .

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