IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0561780
(2012-07-30)
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등록번호 |
US-8888898
(2014-11-18)
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발명자
/ 주소 |
- Rice, Jeremy
- Spaulding, Jeffrey
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출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
8 |
초록
▼
A two-phase working fluid, having a liquid phase and a gas phase, is purged of non-condensable gas prior to being used to charge a closed thermal management system, improving the heat transfer performance of the thermal management system. The liquid phase of the two-phase working fluid is exposed to
A two-phase working fluid, having a liquid phase and a gas phase, is purged of non-condensable gas prior to being used to charge a closed thermal management system, improving the heat transfer performance of the thermal management system. The liquid phase of the two-phase working fluid is exposed to conditions that cause non-condensable gas to separate from the two-phase working fluid. The non-condensable gas is vented, and two-phase working fluid that vaporizes under the conditions is captured.
대표청구항
▼
1. A method of preparing a two-phase working fluid for use in a thermal management system, the two-phase working fluid having a liquid phase and a gas phase, comprising: purging a non-condensable gas from the liquid phase of the two-phase working fluid;purging the non-condensable gas from the gas ph
1. A method of preparing a two-phase working fluid for use in a thermal management system, the two-phase working fluid having a liquid phase and a gas phase, comprising: purging a non-condensable gas from the liquid phase of the two-phase working fluid;purging the non-condensable gas from the gas phase of the two-phase working fluid by condensing the gas phase of the two-phase working fluid;purging the thermal management system of the non-condensable gas; andstoring the purged two-phase working fluid. 2. The method of claim 1, further comprising purging a degasification system of the non-condensable gas and providing the two-phase working fluid to the degasification system. 3. The method of claim 2, further comprising reducing a pressure in the degasification system to purge the degasification system of the non-condensable gas. 4. The method of claim 2, further comprising applying a temperature gradient to the degasification system to control fluid flow within the degasification system. 5. The method of claim 2, further comprising applying a pressure gradient to the degasification system to control fluid flow within the degasification system. 6. The method of claim 2, further comprising maintaining the degasification system at a positive pressure to reduce leakage of the non-condensable gas into the degasification system. 7. The method of claim 1, further comprising charging a thermal management system with the purged two-phase working fluid. 8. The method of claim 1, wherein purging the non-condensable gas from the liquid phase of the two-phase working fluid includes heating the two-phase working fluid. 9. The method of claim 1, wherein purging the non-condensable gas from the liquid phase of the two-phase working fluid includes reducing a pressure in a degasification system. 10. The method of claim 1, wherein purging the non-condensable gas from the liquid phase of the two-phase working fluid includes agitating the liquid phase of the two-phase working fluid. 11. The method of claim 1, further comprising detecting a leak in the thermal management system. 12. The method of claim 1, wherein the two-phase working fluid includes a refrigerant. 13. The method of claim 12, wherein the refrigerant includes a hydrofluorocarbon. 14. A system for preparing a two-phase working fluid for charging a thermal management system, the two-phase working fluid having a liquid phase and a gas phase, comprising: a degasifier for purging a non-condensable gas from the liquid phase of the two-phase working fluid;a condenser for purging the gas phase of the two-phase working fluid by condensing the two-phase working fluid;a pump for purging the system of the non-condensable gas;an apparatus for controlling the flow of two-phase working fluid within the system; anda storage chamber for storing purged two-phase working fluid. 15. The system of claim 14, further comprising a pipe providing a fluid connection to the condenser, the pipe including a degasifier. 16. The system of claim 14, further comprising a charging unit for charging a thermal management system with the purged two-phase working fluid. 17. The system of claim 14, wherein the storage chamber is further configured for measuring a volume of the two-phase working fluid used to charge the thermal management system. 18. The system of claim 14, further comprising an isolation chamber for reducing a loss of two-phase working fluid from the system. 19. The system of claim 14, further comprising a leak detector for detecting a leak in the thermal management system. 20. The system of claim 14, wherein the degasifier comprises a heater. 21. The system of claim 14, wherein the degasifier comprises a pump. 22. The system of claim 14, wherein the degasifier comprises a mechanical agitator. 23. The system of claim 14, wherein the apparatus for controlling the flow of two-phase working fluid within the system comprises a valve. 24. The system of claim 14, wherein the apparatus for controlling the flow of two-phase working fluid within the system comprises a pump. 25. The system of claim 14, wherein the apparatus for controlling the flow of two-phase working fluid within the system comprises a heater. 26. A method of preparing a two-phase working fluid for use in a thermal management system, the two-phase working fluid having a liquid phase and a gas phase, comprising: purging a non-condensable gas from the liquid phase of the two-phase working fluid;purging the non-condensable gas from the gas phase of the two-phase working fluid by condensing the gas phase of the two-phase working fluid;purging a degasification system of the non-condensable gas and providing the two-phase working fluid to the degasification system;applying at least one of a temperature gradient or a pressure gradient to the degasification system to control fluid flow within the degasification system; andstoring the purged two-phase working fluid. 27. A method of preparing a two-phase working fluid for use in a thermal management system, the two-phase working fluid having a liquid phase and a gas phase, comprising: purging a non-condensable gas from the liquid phase of the two-phase working fluid;purging the non-condensable gas from the gas phase of the two-phase working fluid by condensing the gas phase of the two-phase working fluid;purging a degasification system of the non-condensable gas and providing the two-phase working fluid to the degasification system;maintaining the degasification system at a positive pressure to reduce leakage of the non-condensable gas into the degasification system; andstoring the purged two-phase working fluid. 28. A method of preparing a two-phase working fluid for use in a thermal management system, the two-phase working fluid having a liquid phase and a gas phase, comprising: purging a non-condensable gas from the liquid phase of the two-phase working fluid, where the purging comprises at least one of: heating the two-phase working fluid;reducing a pressure in a degasification system; oragitating the liquid phase of the two-phase working fluid; purging the degasification system of the non-condensable gas and providing the two-phase working fluid to the degasification system;purging the non-condensable gas from the gas phase of the two-phase working fluid by condensing the gas phase of the two-phase working fluid; andstoring the purged two-phase working fluid. 29. A system for preparing a two-phase working fluid for charging a thermal management system, the two-phase working fluid having a liquid phase and a gas phase, comprising: a degasifier for purging a non-condensable gas from the liquid phase of the two-phase working fluid;a condenser for purging the gas phase of the two-phase working fluid by condensing the two-phase working fluid;an apparatus for controlling the flow of two-phase working fluid within the system;an isolation chamber for reducing a loss of two-phase working fluid from the system; anda storage chamber for storing purged two-phase working fluid. 30. A system for preparing a two-phase working fluid for charging a thermal management system, the two-phase working fluid having a liquid phase and a gas phase, comprising: a degasifier for purging a non-condensable gas from the liquid phase of the two-phase working fluid, the degasifier comprising at least one of a heater, a pump, or a mechanical agitator;a condenser for purging the gas phase of the two-phase working fluid by condensing the two-phase working fluid;an apparatus for controlling the flow of two-phase working fluid within the system; anda storage chamber for storing purged two-phase working fluid.
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