Goodrich Corporation (Charlotte, NC)

An assembly of transducers that transforms a pyrotechnic spark into an electrical signal could include a magnet, hollow tube and a conductor element. The hollow tube can be wrapped around the magnet in the form of a coil. Thermite can be utilized to fill at least a portion of the hollow tube. An outlet of the hollowtube may be equipped with a conductive component. The hollow tube’s outlet can be sealed by the conductive element.

A battery is utilized to supply current to power electronic. Electronics that use an explosive input may require thermal batteries to supply an ongoing low power supply to power electronic. The cost of thermal batteries is high and heavy components.

This document discloses the transducer assembly. The transducer assembly can consist of the magnet, a hollow tube wrapped around the magnet and creating a coil around the magnet The hollow tube has an inlet and an outlet; a thermite disposed inthe hollow tube and a conductive element disposed at the outlet, the conductor closing the outlet of the hollow tube.

The magnet could be permanent in different configurations. A wire that sends an electrical signal to thermomine in the course of an exothermic reduction/oxidation process may be the conductive element. The transducer assembly may also include an igniter that is connected to the tube’s inlet. The transducer assembly may further include an igniter located close to the inlet of the hollow tube. The transducer assembly could be constructed to convert a pyrotechnic input from the hollow tube’s outlet to an electrical output from the outlet of the hollow tube. The thermite can be designed to generate a brief pulse of high voltage that is in response to undergoing an exothermic reduction-oxidation reaction.

An assembly is disclosed herein. The assembly may include: an igniter that is configured to provide a pyrotechnic input; a transducer assembly, consisting of a magnet; hollow tube that is wrapped around the magnet, forming an indentation around the magnet. The hollow tube containing an inlet as well as an outlet, with the outlet communicating with the igniter; a thermite inside the hollow tube, and a conductive component positioned near the outlet, the element that conducts electricity is used to seal the outlet of the hollow tube.

In various embodiments the assembly could include an electrical device connected to the conductive element. A wire can be utilized as the conductive element. The transducer assembly might be constructed to transmit an electrical signal to the electronic device in response to the thermomine going through an exothermic reduction/oxidation process. The electrical signal may be used to disable internal circuit inside the electronic device. A release mechanism can be attached to the conductive elements. The release mechanism may be connected to an airplane’s seat for ejection. The conductive element could be wire. The transducer assembly could be designed to transmit an electrical signal in response to the thermite going through an exothermic reduction-oxidation reaction, the electrical signal configured to delay the electrical signal to the mechanism for release. The assembly may also comprise the cartridge unit which is in contact with the igniter.

This invention describes a method to manufacture a transducer. The method may comprise: wrapping a hollow tube around a magnet the hollow tube being at least partially filled with thermite; and coupling an electrically conductive element to the outlet in the hollow tube.

The method can also involve partial filling of the hollow tubes using thermite in various embodiments. The method could also include coupling an igniter to an inlet of the hollow tube. The conductive component could be a wire or magnet.

The elements and features described above may be combined in various combinations without restriction unless explicitly stated otherwise. The features and elements mentioned as well as the use of them will be more clear in light of thefollowing description and accompanying drawings. The descriptions and drawings should not be taken as the sole source of information.

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