US Government As Represented by the Secretary of the Army

Ryan R Knight

Robert H Wood

Thinh Q Hoang

Oliver M Barham

Charles H Robinson

Apparatus for generating energy and a method of operating the apparatus to generate energy, where the apparatus comprises a coil assembly of a pair of coils circumscribing a magnet assembly that is held in a first position until, upon an acceleration event, the magnet moves from the first position to a second position, which imparts inductive energy into the coils.

Dual coil inductive energy generator

A safety fuze includes a magneto striker generator (MSG) as its a power generation source. The MSG provides energy to energize an electronic unit and a safety and arming device. The safety fuze allows safety and arming of military hand grenades, with a fully out-of-line explosive initiator and an integrated power generation means, for improving safety and performance. The MSG includes a striker and a receiving bobbin that houses a conductive coil. The striker comprises a permanent magnet that is mounted on a pivot mechanism for allowing a rotational displacement of the permanent magnet, into the bobbin, in order to generate an electrical current. As the permanent magnet is being inserted inside the bobbin, the magnetic flux change induces an electric current in the coil, creating the necessary energy for the fuze operation.

Electro-mechanical fuze for hand grenades

A safety and arming device may include a substrate and a frame fixed to the substrate. The frame may include a travel slot, a head socket, first and second gas expansion chambers having respective first and second nozzles, and first and second safety catch surfaces disposed adjacent to the respective first and second nozzles. A slider may be translatably disposed in the travel slot in the frame. The slider may include a latching head operable to latch in the head socket in an armed position of the device, a storage cavity for storing an explosive charge, first and second cantilevered arms disposed axially apart from each other and angled outwardly from the slider, and first and second deactivation cavities disposed adjacent to the respective first and second cantilevered arms. A spring may bias the slider away from the head socket.

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Bethesda, MD, United States of America

Ryan R Knight