H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/115
H01H 33/92 (2006.01) H01H 33/82 (2006.01) H01H 35/38 (2006.01) H01H 39/00 (2006.01)
Patent
CA 1115754
FLUID BLAST CIRCUIT INTERRUPTER INCLUDING OBSTRUCTION-FREE FLUID RELEASE FACILITY ABSTRACT: An improved circuit interrupting device includes a pair of relatively movable contacts between which an arc is established. As the contacts are moved apart to elongate the arc, a container of pressurized dielectric fluid directs a flow of the fluid from a port at the arc. A diaphragm which normally closes the port to prevent fluid flow is mechanically attached to one of the contacts. When the contacts are moved apart, the container and the one contact also move apart tearing or cutting open the diaphragm to permit the fluid to flow at the arc. The tearing or cutting of the diaphragm is performed in the direction taken by the fluid when it flows. Thus, there is nothing at the former location of the diaphragm to obstruct its flow. Both relative contact movement and the relative movement of the container and the one contact are effected by the action of the ignition products of a power cartridge on a piston-cylinder.
324572
Meister Otto
Tobin Thomas J.
Osler Hoskin & Harcourt Llp
S&c Electric Company
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