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USA As Represented by Secretary of the Navy

Ian Avalon Hall

Kevin Genson

Edward A Russo

A thermomechanical safety device includes a body and a capsule valve mounted in the body. A volume of auto-ignition material is disposed in the capsule valve, which is moveable between a rest position and a firing position. A spring engages the capsule valve and the body, and biases the capsule valve towards the rest position. A temperature sensitive actuator engages the capsule valve and the body. The temperature sensitive actuator moves the capsule valve between the rest position and the firing position in response to a change in temperature. The temperature to cause the temperature sensitive actuator to move the capsule valve between the rest position and the firing position is less than the ignition temperature of the auto-ignition material.

Thermomechanical active hazard mitigation capsule

A fragmentation casing includes a monolithic tube defined by an alternating axial arrangement of first and second rings. Each first ring is a contiguous ring of fused powder defining spaced-apart first elements of the fused powder and at least one second element of the fused powder joining adjacent ones of the first elements. Each second ring is a contiguous lattice of the fused powder. Each of the first elements is contiguous with a portion of the lattice associated with at least one of the second rings.

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Rockville, MD, United States of America

Ian Avalon Hall