Initiator with a bridgewire configured in an enhanced heat-sinking relationship
AssigneeSpecial Devices, Inc.
InventorVahan Avetisian
Life of this patent
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Abstract
A pyrotechnic initiator having a bridgewire configured in an enhanced heat-sinking relationship with the adjacent ignition charge and/or header glass surface without the necessity of a consolidation force.
Claims20
An initiator comprising:
- a) a header assembly including an eyelet, a glass insulator and a first pin defining a top surface, and an exposed electrical initiating element in intimate contact with said glass insulator;
- and,
- b) an ignition charge adjacent to said top surface of said header assembly, said ignition charge being adjacent to and in heat-transferring relationship with said electrical initiating element, said ignition charge not being pressed against said top surface of said header assembly by a pressure of more than 1000 psi.
A header assembly for use in an initiator, said header assembly comprising an eyelet, a first pin, and a glass insulator having a convex annular top surface, and an exposed electrical initiating element in intimate contact with said convex annular top surface of said glass insulator along substantially the major portion of said initiating element.
A bridgewire for use in the header assembly of an initiator, said bridgewire being flattened to a thickness of no more than 75% of its width.
Dependencies are inferred from the claim text.