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 control system for controlling the removal of a layer of ice from a solid surface, the control system comprising: control circuitry operable to determine a necessary quantity of heat to substantially vaporize an interfacial layer between the solid surface and the layer of ice; anda heating syst
1. A control system for controlling the removal of a layer of ice from a solid surface, the control system comprising: control circuitry operable to determine a necessary quantity of heat to substantially vaporize an interfacial layer between the solid surface and the layer of ice; anda heating system interface communicatively coupling the control circuitry to a heating system that is configured to apply pulsed heating at the interfacial layer, wherein the control circuitry is configured to instruct the heating system to apply the pulsed heating with the determined necessary quantity of heat to substantially vaporize the interfacial layer so as to separate the layer of ice from the solid surface. 2. The control system of claim 1, wherein the control circuitry is configured to instruct the heating system to apply pulsed heating to a plurality of separated areas of the interfacial layer. 3. The control system of claim 2, wherein the control circuitry is configured to: determine a thickness of the layer of ice; anddetermine a distance between the plurality of separated areas, based on the determined thickness of the layer of ice. 4. The control system of claim 2, 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. 5. The control system of claim 1, wherein the control circuitry is configured to control an electromagnetic radiation source of the heating system. 6. The control system of claim 5, 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. 7. The control system of claim 1, wherein the control circuitry is configured to: instruct a first heating subsystem to melt the layer of ice at the interfacial layer to produce a liquid; andinstruct a second heating subsystem operable to vaporize the liquid water. 8. The control system of claim 1, wherein the control circuitry is configured to determine a necessary quantity of heat to sublimate a portion of the interfacial layer. 9. The control system of claim 1, wherein the control circuitry is configured to instruct an ice detection system to determine the thickness of the ice using electrical techniques. 10. The control system of claim 1, wherein the control circuitry is configured to determine, based on received indications, 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. 11. The control system of claim 1, further comprising an ice detector interface, communicatively connecting the control circuitry to an ice detection system, wherein the control circuitry is configured to: (i) receive, via ice detector interface, indications of a thickness of the layer of ice at each of one or more locations on the interfacial layer, and(ii) vary, based on the indicated thickness of the layer of ice any of the one or more locations, an amount of the pulsed heating that is applied to the interfacial layer at the one or more locations. 12. The control system of claim 1, 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 at a location, determine whether to apply the pulsed heating to each of the one or more locations. 13. A deicing method comprising: detecting a layer of ice on a solid surface;determining whether to initiate vaporization of an interfacial layer between the solid surface and the layer of ice based at least in part on a sensed temperature of the interfacial layer; andusing pulsed heating to vaporize the interfacial layer between the solid surface and the layer of ice in response to determining that the sensed temperature is below a threshold temperature. 14. The method of claim 13, wherein the pulsed heating is applied to a plurality of separated areas of the interfacial layer. 15. The method of claim 14, further comprising: determining a thickness of the layer of ice; anddetermining a distance between the plurality of separated areas, based on the determined thickness of the layer of ice. 16. The method of claim 13, wherein the pulsed heating is applied using electromagnetic induction. 17. The method of claim 13, wherein applying the pulsed heating is performed by applying electromagnetic radiation to the interfacial layer. 18. The method of claim 17, wherein the electromagnetic radiation is produced by a laser source. 19. The method of claim 17, wherein the electromagnetic radiation is emitted from the solid surface into the interfacial layer, and wherein a main frequency of the electromagnetic radiation is strongly absorbable in the ice. 20. The method of claim 13, wherein using pulsed heating to vaporize a majority of the interfacial layer comprises: initially using a first heating technique to melt the interfacial layer, producing a liquid; andsubsequently using a second heating technique, different than the first heating technique, to substantially vaporize the liquid. 21. The method of claim 13, further comprising: determining a thickness of the layer of ice at each of one or more locations on the interfacial layer; anddetermining which portions of the interfacial layer to vaporize, based on the determined thicknesses. 22. The method of claim 21, wherein determining where to apply the pulsed heat comprises: detecting, on the interfacial layer, locations where the thickness of the layer of ice is thinner than a predefined threshold thickness; andrefraining from vaporizing the interfacial layer at the detected locations. 23. The method of claim 21, wherein determining which portions of the interfacial layer to vaporize comprises: detecting, on the interfacial layer, locations where the thickness of the layer of ice is at least a predefined threshold thickness; andvaporizing the interfacial layer at the detected locations. 24. The method of claim 13, further comprising: sensing a temperature of the interfacial layer at each of one or more locations; andusing each temperature to determine whether to vaporize the interfacial layer at each of the one or more locations. 25. The method of claim 24, further comprising: using at least one of the sensed temperatures to determine a temperature at an additional location on the interfacial layer; andusing the determined temperature at the additional location to determine whether to vaporize the interfacial layer at the additional location. 26. A deicing method comprising: detecting a layer of ice on a solid surface using a sensor;determining a necessary quantity of heat to substantially vaporize an interfacial layer between the solid surface and the layer of ice; andcausing pulsed heating to be applied at the interfacial layer, wherein the pulsed heating is applied with the determined necessary quantity of heat to substantially vaporize the interfacial layer so as to separate the layer of ice from the solid surface. 27. The method of claim 26, wherein the pulsed heating is applied to a plurality of separated areas of the interfacial layer. 28. The method of claim 27, further comprising: determining a thickness of the layer of ice; anddetermining a distance between the plurality of separated areas, based on the determined thickness of the layer of ice. 29. The method of claim 27, wherein the pulsed heating is applied to a second area of the plurality of separated areas after the pulsed heating is applied to a first area of the plurality of separated areas. 30. The method of claim 26, wherein applying the pulsed heating is performed by applying electromagnetic radiation to the interfacial layer. 31. The method of claim 30, 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. 32. The method of claim 26, wherein causing the pulsed heating to be applied comprises: initially causing a first heating technique to apply the pulsed heating to solid ice at the interfacial layer, producing liquid water; andsubsequently causing a second heating technique, different than the first heating technique, to apply the pulsed heating to the liquid water in order to substantially vaporize the liquid water. 33. The method of claim 26, further comprising: receiving indications of a thickness of the layer of ice at each of one or more locations on the interfacial layer; anddetermining where to apply the pulsed heating based on the indicated thicknesses. 34. The method of claim 33, wherein determining where to apply the pulsed heat comprises: determining, based on the received indications, 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 causing the pulsed heating to be applied. 35. The method of claim 33, wherein determining where to apply the pulsed heat comprises: determining, based on the received indications, locations where the thickness of the layer of ice is at least a predefined threshold thickness; andcausing the pulsed heat to be applied to the detected locations on the interfacial layer.
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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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