A deicing method includes the steps of determining a necessary quantity of heat to substantially vaporize an interfacial layer between a solid surface and a layer of ice and applying pulsed heating at the interfacial layer. The pulsed heating is applied with the determined necessary quantity of heat
A deicing method includes the steps of determining a necessary quantity of heat to substantially vaporize an interfacial layer between a solid surface and a layer of ice and applying pulsed heating at the interfacial layer. The pulsed heating is applied with the determined necessary quantity of heat to substantially vaporize the interfacial layer.
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1. A deicing method, comprising: determining, by control circuitry of a deicing apparatus, a necessary quantity of heat to substantially vaporize an interfacial layer between a solid surface and a layer of ice;applying, by the deicing apparatus, pulsed heating to a plurality of separated areas of th
1. A deicing method, comprising: determining, by control circuitry of a deicing apparatus, a necessary quantity of heat to substantially vaporize an interfacial layer between a solid surface and a layer of ice;applying, by the deicing apparatus, pulsed heating to a plurality of separated areas of the interfacial layer, wherein the pulsed heating is applied with the determined necessary quantity of heat to substantially vaporize the interfacial layer;determining, by the deicing apparatus, a thickness of the layer of ice; anddetermining, by the control circuitry, a distance between the plurality of separated areas based on the determined thickness. 2. The method of claim 1, wherein the pulsed heating is applied to a first area of the plurality of separated areas before the pulsed heating is applied to a second area of the plurality of separated areas. 3. The method of claim 1, wherein applying the pulsed heating is performed by applying electromagnetic radiation to the interfacial layer. 4. The method of claim 3, wherein the electromagnetic radiation is emitted from the solid surface into the interfacial layer, wherein a main frequency of the electromagnetic radiation is strongly absorbable in the ice. 5. The method of claim 1, wherein applying the pulsed heating comprises: using a first heat source to apply the pulsed heating to solid ice at the interfacial layer, producing liquid water; andusing a second heat source, different than the first heat source, to apply the pulsed heating to the liquid water in order to substantially vaporize the liquid water. 6. The method of claim 1, wherein the vaporization comprises sublimation of solid ice at the interfacial layer. 7. The method of claim 1, further comprising: detecting, on the interfacial layer, locations where the thickness of the layer of ice is thinner than a predefined threshold thickness; andin response to determining that the thickness of the ice layer is thinner than a predefined thickness threshold, refraining from applying the pulsed heating to the locations where the thickness of the layer of ice is thinner than the predefined threshold thickness. 8. The method of claim 1, further comprising: detecting, on the interfacial layer, locations where the thickness of the layer of ice is at least a predefined threshold thickness; andapplying the pulsed heating to the detected locations on the interfacial layer. 9. The method of claim 1, further comprising: determining a thickness of the layer of ice at one or more locations on the interfacial layer; andvarying, based on the determined thickness at the one or more locations, an amount of the pulsed heating that is applied to the interfacial layer at any of the one or more locations. 10. The method of claim 1, further comprising: sensing a temperature of the interfacial layer at each of one or more locations; andusing each temperature to determine whether to apply the pulsed heating to each of the one or more locations. 11. The method of claim 1, further comprising: determining an ambient force at the layer of ice; anddetermining where to apply the pulsed heating based on the determined ambient force. 12. The method of claim 1, further comprising: applying a mechanical vibration to the solid surface wherein the solid surface comprises topographical features oriented outwardly from a plane of the solid surface, wherein the mechanical vibration is applied in a vibration direction parallel to the plane of the solid surface; andselecting the vibration direction based on the topographical features. 13. The method of claim 1, further comprising applying gas pressure at the interfacial layer. 14. A deicing apparatus for removing a layer of ice from a solid surface, the apparatus comprising: control circuitry operable at least to determine a necessary quantity of heat to substantially vaporize an interfacial layer between the solid surface and the layer of ice;a pulsed heating system configured to apply pulsed heating to a plurality of separated areas of the interfacial layer, wherein the pulsed heating is applied with the determined necessary quantity of heat to substantially vaporize the interfacial layer; andan ice-detection system configured to determine a thickness of the layer of ice;wherein the control circuitry is operable to determine a distance between the plurality of separated areas based on the determined thickness of the layer of ice. 15. The deicing apparatus of claim 1, wherein the pulsed heating is applied to a first area of the plurality of separated areas before the pulsed heating is applied to a second area of the several separated areas. 16. The deicing apparatus of claim 14, wherein the pulsed heating system applies heat by electromagnetic radiation to the interfacial layer. 17. The deicing apparatus of claim 16, wherein the electromagnetic radiation is emitted from the solid surface into the interfacial layer, wherein a main frequency of the electromagnetic radiation is strongly absorbable in ice. 18. The deicing apparatus of claim 14, wherein the pulsed heating system comprises: a first heating subsystem operable to melt the layer of ice at the interfacial layer to produce a liquid; anda second heating subsystem operable to vaporize the liquid water. 19. The deicing apparatus of claim 14, wherein the heating system is configured to sublimate a portion of the interfacial layer. 20. The deicing apparatus of claim 14, further comprising an ice detection system configured to detect, on the interfacial layer, locations where the thickness of the layer of ice is thinner than a threshold thickness, and wherein the heating system is configured to apply the pulsed heating to the detected locations on the interfacial layer. 21. The deicing apparatus of claim 14, further comprising an ice detection system configured to detect, on the interfacial layer, locations where the thickness of the layer of ice is at least a predefined threshold thickness, and wherein the heating system is configured to apply the pulsed heating to the detected locations on the interfacial layer. 22. The deicing apparatus of claim 14, further comprising: an ice detection system configured to determine a thickness of the layer of ice at each of one or more locations on the interfacial layer, wherein the control circuitry is configured to vary, based on the determined thickness of the layer of ice at the one or more locations, an amount of the pulsed heating that is applied to the interfacial layer at any of the one or more locations. 23. The deicing apparatus of claim 14, further comprising a temperature detection system configured to determine a temperature at each of one or more locations on the interfacial layer, wherein the control circuitry is configured to use each temperature to determine whether to apply the pulsed heating to each of the one or more locations. 24. The deicing apparatus of claim 14, further comprising a vibration system configured to cause a mechanical vibration at the interfacial layer, wherein the solid surface comprises topographical features oriented outwardly from a plane of the solid surface, wherein the vibration system is configured to cause the vibration in a vibration direction parallel to the plane of the solid surface, and wherein the control circuitry is configured to (i) determine the vibration direction based on the topographical features and (ii) instruct the vibration system to apply the vibrations in the determined vibration direction. 25. An ice detection system comprising a first plurality of sensors for detecting a layer of ice on a solid surface;a second plurality of sensors operable to determine a thickness of the layer of ice;control circuitry operable at least to determine a necessary quantity of heat to substantially vaporize an interfacial layer between the solid surface and the detected layer of ice and to determine a distance between a plurality of separated areas of the interfacial layer, based on the determined thickness of the layer of ice; anda heating system interface communicatively coupling the ice detection system to a heating system that is configured to apply pulsed heating at the interfacial layer, wherein the pulsed heating is applied with the determined necessary quantity of heat to substantially vaporize the interfacial layer;wherein the control circuitry is further configured to instruct the heating system to apply pulsed heating to the plurality of separated areas of the interfacial layer. 26. The ice detection system of claim 25, wherein the control circuitry is configured to: (i) after the heating system applies the pulsed heating, using the sensors to determine whether the layer of ice remains attached to the solid surface; and(ii) in response to determining that the layer of ice remains attached to the solid surface, signal the pulsed heating system to apply additional pulsed heating at the interfacial layer. 27. The ice detection system of claim 25, wherein the ice sensors are configured to determine a thickness of the layer of ice at each of one or more locations on the interfacial layer, and wherein the control circuitry is configured to determine where to apply the pulsed heating based on the determined thickness of the layer of ice. 28. The control system of claim 27, wherein the ice sensors determine the thickness of the ice using optical techniques. 29. The control system of claim 27, wherein the ice sensors determine the thickness of the ice using mechanical vibrations. 30. The control system of claim 27, wherein the ice sensors are configured to detect locations where the thickness of the layer of ice is thinner than a threshold thickness, and wherein the control circuitry is configured to instruct the heating system to apply pulsed heating to the detected locations. 31. The ice detection system of claim 25, further comprising a thermometer interface, communicatively connecting the control circuitry to a temperature detection system, wherein the control circuitry is configured to: (i) receive, via thermometer interface, indications of a temperature at each of one or more locations on the interfacial layer, and(ii) based on the indicated temperature of at a location, determine whether to apply the pulsed heating to each of the one or more locations.
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이 특허에 인용된 특허 (11)
Graber Daryl J. (North Palm Beach FL) Mack Gregory J. (Palm Beach Gardens FL), Acoustical anti-icing system.
Broussoux Dominique (Marcoussis FRX) Ceccaldi Michel C. (Verrieres le Buisson FRX) Leclerc Pierre (Voisins-le-Bretonneux FRX), Device for the removal of the ice formed on the surface of a wall, notably an optical or radio-electrical window.
Gerardi Joseph J. (81 Crystal Dr. Dryden NY 13053) Dahl Philip R. (16919 Strawberry Dr. Encino CA 91436) Hickman Gail A. (81 Crstal Dr. Dryden NY 13053), Smart skin ice detection and de-icing system.
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