Heat units using a solid fuel capable of undergoing an exothermic metal oxidation-reduction reaction propagated without an igniter
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United States of America Patent
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Nov 1, 2022
Grant Date -
Jan 14, 2021
app pub date -
Sep 28, 2020
filing date -
Aug 26, 2010
priority date (Note) -
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Abstract
A heating unit comprising an electrically conductive substrate. A solid fuel layer comprising a metal reducing agent, a metal containing oxidizing agent and a binder is coated on a surface of the substrate, the solid fuel layer having a solid fuel surface spaced from the substrate. A first electrode coupled to the substrate. A second electrode coupled to the solid fuel surface. A power supply is configured to be selectively coupled to the first and second electrodes to provide a voltage between the metallic substrate and the solid fuel surface. The voltage acts to propagate an exothermic metal oxidation-reduction reaction without the use of an igniter.
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