A modular heating system and method is presented that automatically dissipates thermal energy from a heater or heated package if the energy cannot be assimilated without excessive temperature increase. A heater containing reactants that generate heat when combined is placed in thermal contact with a
A modular heating system and method is presented that automatically dissipates thermal energy from a heater or heated package if the energy cannot be assimilated without excessive temperature increase. A heater containing reactants that generate heat when combined is placed in thermal contact with a passive thermal control material which is in thermal contact with a container configured to contain a substance to be heated. The passive thermal control material allows the transmission of heat between the heater and the container as long as the temperature of the heat passing through the passive thermal control material does not exceed the activation temperature of the material. If the temperature of the heat passing through the passive thermal control material exceeds the material's decomposition temperature, the passive thermal control material decomposes and thereby dissipates heat.
대표청구항▼
1. A thermally-regulated container, comprising: a container configured to contain a substance to be heated;a reaction chamber containing reactants that generate heat when combined;a passive thermal control material positioned between the reaction chamber and the container, wherein the reaction chamb
1. A thermally-regulated container, comprising: a container configured to contain a substance to be heated;a reaction chamber containing reactants that generate heat when combined;a passive thermal control material positioned between the reaction chamber and the container, wherein the reaction chamber is in thermal contact with the passive thermal control material and the passive thermal control material is in thermal contact with the container;wherein the passive thermal control material allows heat to pass therethrough prior to reaching the passive thermal control material's decomposition temperature and, if a heater exceeds the passive thermal control material's decomposition temperature, the passive thermal control material decomposes and thereby dissipates heat, andwherein at least a portion of the reaction chamber is located inside the container and the passive thermal control materials is positioned between the container and at least some of the portion of the reaction chamber that is located inside the container. 2. The container of claim 1, wherein the passive thermal control material has a higher total specific heat absorption capacity than the substance to be heated. 3. The container of claim 1, wherein the passive thermal control material is potassium alum. 4. The container of claim 1, wherein the passive thermal control material comprises potassium alum and calcium hydroxide. 5. The container of claim 1, wherein the reactants are solid state reactants. 6. The container of claim 1, wherein the substance to be heated is a food product. 7. The container of claim 1, wherein a byproduct of the decomposition is water and heat is dissipated through the formation of steam. 8. A method of controlling heat in a container, comprising: locating a heater in thermal contact with a passive thermal control material;placing the passive thermal control material in thermal contact with a container configured to contain a substance to be heated, wherein the passive thermal control material allows the transmission of heat from the heater to the container until such time as the passive thermal control material reaches its decomposition temperature and, if the passive thermal control material exceeds its decomposition temperature, the passive thermal control material decomposes and thereby dissipates heat, a reaction chamber containing reactants that generate heat when combined, andwherein at least a portion of the reaction chamber is located inside the container and the passive thermal control materials is positioned between the container and at least some of the portion of the reaction chamber that is located inside the container. 9. The method of claim 8, wherein the passive thermal control material has a higher total specific heat absorption capacity than the substance to be heated. 10. The method of claim 8, wherein the passive thermal control material is potassium alum. 11. The method of claim 8, wherein the passive thermal control material comprises potassium alum and calcium hydroxide. 12. The method of claim 8, wherein the substance to be heated is a food product. 13. The method of claim 8, wherein a byproduct of the decomposition is water and heat is dissipated through the formation of steam. 14. A container, comprising: a container configured to contain a substance to be heated;a heater in thermal contact with a passive thermal control material, the passive thermal control material being in thermal contact with the container;wherein the passive thermal control material allows the transmission of heat from the heater to the container until such time as the passive thermal control material reaches its decomposition temperature and, if the passive thermal control material exceeds its decomposition temperature, the passive thermal control material decomposes and thereby dissipates heat, a reaction chamber containing reactants that generate heat when combined, andwherein at least a portion of the reaction chamber is located inside the container and the passive thermal control materials is positioned between the container and at least some of the portion of the reaction chamber that is located inside the container. 15. The container of claim 14, wherein the passive thermal control material has a higher total specific heat absorption capacity than the substance to be heated. 16. The container of claim 14, wherein the passive thermal control material is potassium alum. 17. The container of claim 14, wherein the passive thermal control material comprises potassium alum and calcium hydroxide. 18. The container of claim 14, wherein the substance to be heated is a food product. 19. The container of claim 14, wherein a byproduct of the decomposition is water and heat is dissipated through the formation of steam.
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이 특허에 인용된 특허 (4)
Tenenboum Mordehay,ILX ; Mandler Daniel,ILX ; Tal Reuven,ILX ; Meir Yoel,ILX, Disposable heating unit for food containers.
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