202995 ⎘
High-tension or heavy-current switches with arc-extinguishing or arc-preventing means; Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism characterised by the transmission between operating mechanism and piston or movable contact
Circuit breaker comprising an improved compression chamber
#2Circuit breaker equipped with an extensible exhaust cover
#3Electrical apparatus with dual movement of contacts comprising a return device with two levers
#4Electrical switching device with a triple motion contact arrangement
#5Gas circuit breaker
#6Medium voltage circuit breaker
#7Circuit breaker with two aligned breaker chambers, a common transmission, and reduced size
#8High voltage gas circuit breaker
#9PUFFER TYPE GAS CIRCUIT BREAKER
#10Transmission for an electrical circuit breaker
#11Circuit breaker with a double acting circuit-breaking chamber and an inverted structure
#12Circuit breaker with a gear having a dead point
#13Actuating the contacts of an interrupting chamber in opposite directions via an insulating tube
#14Actuating the oppositely-moving contacts of an interrupting chamber by a cylindrical cam
#15Rack gear for electrical circuit breaker
#16Switching chamber and heavy-duty circuit breaker
#17Heavy-duty circuit breaker with movement reversal
#18Method of current interruption using puffer type gas circuit breaker with combined-action of cylinder and piston