[특허]High capacity heat sink

Lockheed Martin Corporation

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High capacity heat sink

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B64D-033/08 F28C-003/04
미국특허분류(USC)	244/053R; 244/117R; 165/041
출원번호	US-0685578 (2010-01-11)
등록번호	US-8496201 (2013-07-30)
발명자 / 주소	Norton, Daniel G. Perry, Robert J.
출원인 / 주소	Lockheed Martin Corporation
대리인 / 주소	Bracewell & Giuliani LLP
인용정보	피인용 횟수 : 1 인용 특허 : 19

초록

A heat sink is used to absorb heat produced by a vehicle. The heat sink uses a steam reformer to create an endothermic reaction between two fluids. Excess heat from the vehicle's engine is used to heat the reactor to facilitate the endothermic reaction. In some embodiments, the reactant fluids are pre-heated by absorbing heat from various components of the vehicle. Excess heat from the various components or from the vehicle engine is used to vaporize the fluids before the fluids enter the reactor.

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1. An apparatus for cooling a vehicle, the apparatus comprising: a first fluid initially located in a first vessel, the first fluid initially being a liquid and comprising dimethyl ether;a second fluid initially located in a second vessel, the second fluid initially being a liquid and comprising water;a steam reforming reactor adapted to absorb heat from a first component of the vehicle;wherein the first fluid and the second fluid chemically react in an endothermic reaction in the steam reforming reactor; andwherein the heat from the first component provides the heat necessary for the endothermic reaction. 2. The apparatus according to claim 1, wherein the first fluid and the second fluid are each transformed to a gas before entering the steam reforming reactor. 3. The apparatus according to claim 1, wherein the vehicle is an aircraft. 4. The apparatus according to claim 1, wherein the first component is an engine. 5. The apparatus according to claim 4, wherein an output from the endothermic reaction is combusted in the engine. 6. The apparatus according to claim 1, wherein the first fluid flows through a first cooling system, the first cooling system being adapted to absorb heat from a first plurality of heat producing components. 7. The apparatus according to claim 6, wherein the second fluid flows through a second cooling system, the second cooling system being adapted to absorb heat from a second plurality of heat producing components. 8. The apparatus according to claim 6, wherein the first plurality of heat producing components comprises avionics. 9. A method for removing excess heat from a vehicle, the method comprising: (a) placing a steam reforming thermal reactor on the vehicle;(b) flowing a first fluid and a second fluid into the reactor, the first fluid comprising dimethyl ether;(c) heating the steam reforming thermal reactor with excess heat from a first heat source of the vehicle;(d) causing an endothermic reaction in the reactor between the first fluid and the second fluid; and(e) wherein at least a portion of the heat required to sustain the endothermic reaction is provided by the first heat source. 10. The method according to claim 9, wherein each of the first fluid and the second fluid is initially in a liquid state. 11. The method according to claim 9, wherein the vehicle is an aircraft. 12. The method according to claim 9, wherein the vehicle is an aircraft, the first heat source is an engine of the aircraft, and the excess heat comprises heat from the engine. 13. The method of claim 12, wherein at least a portion of a vapor produced by the reactor flows to the engine and is combusted within the engine. 14. The method according to claim 9, wherein step (b) comprises conducting heat from a second heat source into the first fluid before the first fluid enters the reactor. 15. The method according to claim 14, wherein step (b) comprises conducting heat from a third heat source into the second fluid before the second fluid enters the reactor. 16. The method according to claim 9, wherein step (b) comprises flowing the first fluid through a first plurality of heat exchangers to absorb heat from a first plurality of heat sources within the vehicle. 17. The method according to claim 16, wherein step (b) comprises flowing the second fluid through a second plurality of heat exchangers to absorb heat from a second plurality of heat sources within the vehicle. 18. The method according to claim 16, wherein step (b) comprises flowing the first fluid through a metering valve and controlling a rate of flow of the first fluid by using a controller to adjust the valves responsive to a temperature sensor. 19. An aircraft having a system for removing heat from the aircraft, comprising: a first cooling subsystem, the first cooling subsystem adapted to flow a first fluid through a first plurality of heat exchangers to absorb heat from a plurality of electronic components on the aircraft;a second cooling subsystem, the second cooling subsystem adapted to flow a second fluid through a surface heat exchanger to absorb heat from a surface of the aircraft;a first vaporizer in communication with the first cooling subsystem, the first vaporizer being adapted to vaporize the first fluid by absorbing heat from an engine of the aircraft;a second vaporizer in communication with the second cooling subsystem, the second vaporizer being adapted to vaporize the second fluid by absorbing heat from the engine of the aircraft;a steam reforming reactor in fluid communication with the first vaporizer and the second vaporizer, the steam reforming reactor being adapted to facilitate an endothermic reaction between the vaporized first fluid and the vaporized second fluid, wherein the steam reforming reactor is heated by heat from the engine of the aircraft; andwherein an output fluid from the reaction between the first fluid and the second fluid is combusted by the aircraft engine.

이 특허에 인용된 특허 (19)

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Landre, Eric G.; Karnofski, Kent E.; Washio, Derek T.; Hould, Daniel Patrick Wehry; Brown, Kevin S.. Methods and apparatus to increase a payload capacity of an aircraft. USP2017089738393.

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