Patent ID: 6614339
Filing Date: 2003-09-02
Classification: H01H

Abstract:
An exhaust control device for use in conjunction with a circuit interrupter, the exhaust control device comprising:a casing having an interior and including an inlet and an outlet in flow communication with the interior, the inlet being structured to be connected in fluid communication with the circuit interrupter; a support apparatus disposed within the interior; a wall disposed within the interior of the casing and mounted on the support apparatus; a porous heat sink disposed within the interior of the casing between the inlet and the outlet and extending at least partially around the wall between the wall and the casing, the heat sink being structured to permit the flow of fluid therethrough; a first expansion chamber disposed within the interior at least partially between the inlet and the heat sink, the first expansion chamber having a greater cross-sectional area than the inlet; and a second expansion chamber defined by the wall and in fluid communication with the first expansion chamber, the second expansion chamber having a mouth that is in register with at least a portion of the inlet.