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US 5,710,402 AGranted
Arc-resistant switchgear enclosure employing a toggle flap venting system
AssigneeABB Power T&D Company Inc.
InventorsRobert S. Karnbach, David S. Komives, Leo E. Blom
Life of this patent
Estimating the term…
Abstract
An arc resistant enclosure including two compartments having a toggle flap which permits the two compartments to share a single exit path from the enclosure for any pressure and gases produced in either compartment.
Claims7
An arc resistant enclosure for electrical components comprising:
- first and second compartments for housing said electrical components,
- each of said first and second compartments housing one or more of said electrical components,
- said first compartment having an aperture for permitting pressure and gases to flow therefrom and vent from said arc resistant enclosure;
- said second compartment having an aperture for permitting pressure and gases to flow therefrom into said first compartment and having a toggle flap for covering said aperture in said second compartment;
- said toggle flap being movable from a first position covering said aperture of said second compartment to a second position within said first compartment in which it forces any pressure and gases exiting said second compartment to exit through the aperture of said first compartment.
2 more elements
Dependencies are inferred from the claim text.