H - Electricity – 01 – H
Patent
H - Electricity
01
H
H01H 79/00 (2006.01) H01H 3/30 (2006.01) H01H 33/66 (2006.01) H01H 33/666 (2006.01) H01H 39/00 (2006.01) H02H 1/00 (2006.01)
Patent
CA 2489531
A shorting switch (2) includes a vacuum switch (4) having fixed and movable contact assemblies (8, 10) and a driven member (26). A spring cover tube (38) and bushing (36) mount the driven member (26) for linear movement along a path substantially parallel to a longitudinal axis of the movable contact assembly (10). The driven member (26) moves the movable contact assembly (10) between open and closed circuit positions. A compression spring (40) has a compressed state and a released state, which moves the driven member (26) and movable contact assembly (10) to the closed circuit position. A release bolt (32) has an opening (68) therein and is coupled to the driven member (26) to normally maintain the compression spring (40) in the compressed state. A charge (60) is disposed in the opening of the release bolt (32) and is actuated to fracture the release bolt and release the compression spring (40) to the released state. First and second terminals (16, 22) are respectively electrically interconnected with the fixed and movable contact assemblies (8, 10).
Cette invention concerne un commutateur de court-circuit (2) comprenant un interrupteur sous vide (4) comprenant des ensembles de contact (8, 10) fixe et mobile et un organe commandé (26). Un tube de protection (38) de ressort et un embout (36) montent l'organe commandé (26) pour lui imprimer un mouvement linéaire sur une trajectoire sensiblement parallèle à un axe longitudinal de l'ensemble de contact (19) mobile. L'organe commandé (26) fait passer l'ensemble de contact (10) mobile d'une position circuit ouvert à une position circuit fermé. Un ressort (40) de compression présente une position compressée et une position détendue permettant de faire passer l'organe commandé (26) et l'ensemble de contact (10) mobile en position circuit fermé. Un boulon de débrayage (32) comportant une ouverture (68) est couplé à l'organe commandé (26) afin que le ressort (40) de compression soit maintenu en position compressée. Une charge (60) est placée dans l'orifice du boulon de débrayage (32), ladite charge étant actionnée pour rompre le boulon de débrayage et libérer le ressort (40) de compression pour qu'il passe en position détendue. Une première et une seconde borne (16, 22) sont interconnectées électriquement respectivement avec les ensembles de contact (8, 10) fixe et mobile.
Miller Jeffrey Allen
Shea John Joseph
Bereskin & Parr
Corporation Eaton
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