Exhaust-control device for circuit interrupter

Details Exhaust-control device for circuit interrupter Exhaust-control device for circuit interrupter

H - Electricity

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H01H 85/38 (2006.01) F01N 3/06 (2006.01) H01H 85/43 (2006.01)

Patent

CA 1300032

ABSTRACT An exhaust-control device is provided to absorb the energy of exhaust gases released during operation of a circuit-interrupting device such as a power fuse or an expulsion fuse. The exhaust-control device includes a first heat-absorbing medium through which the exhaust gases pass for reducing the temperature of the exhaust gases below a predeter- mined temperature. The exhaust-control device further includes a second heat-absorbing medium for receiving the exhaust gases exiting from the first heat-absorbing medium. The material, quantity, size distribution, and arrangement of the first heat-absorbing medium is selected so that the predetermined temperature of the exhaust gases does not cause signifi- cant melting of the second heat-absorbing medium that is utilized. In a specific arrangement, the first heat-absorbing medium is a section of ceramic pellets and the second heat-absorbing medium is a roll of woven copper mesh.

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