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다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0211248 (2011-08-16) |
등록번호 | US-10099028 (2018-10-16) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 642 |
A portable liquid oxygen system may provide an average flow rate of oxygen gas at approximately 6-approximately 20 lpm using a rapid gas conversion mode. The rapid gas conversion mode utilizes a Stirling engine that harnesses the heat differential between the ambient temperature and the liquid oxyge
A portable liquid oxygen system may provide an average flow rate of oxygen gas at approximately 6-approximately 20 lpm using a rapid gas conversion mode. The rapid gas conversion mode utilizes a Stirling engine that harnesses the heat differential between the ambient temperature and the liquid oxygen store to drive a fan. The fan operates to blow ambient air across a heat exchanger, which allows the heat exchanger to more rapidly evaporate liquid oxygen into oxygen gas.
1. A portable liquid oxygen system providing an average flow rate of oxygen gas at approximately 6 lpm to approximately 20 lpm using a rapid gas conversion mode, the portable liquid oxygen system comprising: a liquid oxygen store;a heat exchanger for evaporating liquid oxygen from the liquid oxygen
1. A portable liquid oxygen system providing an average flow rate of oxygen gas at approximately 6 lpm to approximately 20 lpm using a rapid gas conversion mode, the portable liquid oxygen system comprising: a liquid oxygen store;a heat exchanger for evaporating liquid oxygen from the liquid oxygen store into oxygen gas;a Stirling engine having a heat source and a heat sink, wherein the heat source is an opening to ambient air and wherein the heat sink is proximal to the liquid oxygen store; anda fan, wherein during the rapid gas conversion mode, the Stirling engine drives the fan to blow ambient air from the heat source across the heat exchanger to more rapidly evaporate liquid oxygen from the liquid oxygen store into oxygen gas. 2. The portable liquid oxygen system of claim 1, wherein the portable liquid oxygen system weighs less than 10 pounds. 3. The portable liquid oxygen system of claim 1, wherein the heat sink is in thermal communication with the liquid oxygen store. 4. The portable liquid oxygen system of claim 1, further comprising one or more respiration sensors, wherein the rapid gas conversion mode is activated based upon signals received from the one or more respiration sensors. 5. The portable liquid oxygen system of claim 1, further comprising one or more pulse oximeters, wherein the rapid gas conversion mode is activated based upon signals received from the one or more pulse oximeters. 6. A ventilation system comprising: a portable ventilator; anda portable liquid oxygen (LOX) system providing a flow rate of oxygen gas evaporated from a liquid oxygen store to the portable ventilator at approximately 6 lpm to approximately 20 lpm using a rapid gas conversion mode, the portable LOX system comprising: a heat exchanger for evaporating the liquid oxygen from the liquid oxygen store into oxygen gas;a Stirling engine having a heat source and a heat sink, wherein the heat source is an opening to ambient air and wherein the heat sink is proximal to the liquid oxygen store; anda fan, wherein during the rapid gas conversion mode, the Stirling engine drives the fan to blow ambient air from the heat source across the heat exchanger to more rapidly evaporate liquid oxygen from the liquid oxygen store into oxygen gas. 7. The ventilation system of claim 6, wherein the portable ventilator and the portable liquid oxygen system are integrated into a single portable or wearable unit. 8. The ventilation system of claim 6, wherein the portable liquid oxygen system weighs less than 10 pounds. 9. The ventilation system of claim 6, further comprising a patient interface, wherein the patient interface is a nasal interface, a mask, an endotracheal tube, a tracheostomy tube, or a transoral tube. 10. The ventilation system of claim 6, wherein the ventilator is wearable. 11. The ventilation system of claim 6, further comprising a blender for titrating an amount of oxygen gas output to the ventilator. 12. The ventilation system of claim 6, wherein the heat sink is in thermal communication with the liquid oxygen store. 13. The ventilation system of claim 6, further comprising one or more respiration sensors, wherein the rapid gas conversion mode is activated based upon signals received from the one or more respiration sensors. 14. The ventilation system of claim 6, further comprising one or more pulse oximeters, wherein the rapid gas conversion mode is activated based upon signals received from the one or more pulse oximeters. 15. A liquid oxygen system having a rapid gas conversion mode, the liquid oxygen system comprising: a liquid oxygen store;a heat exchanger for evaporating liquid oxygen from the liquid oxygen store into oxygen gas;a Stirling engine having a heat source and a heat sink, wherein the heat source is an opening to ambient air and wherein the heat sink is proximal to the liquid oxygen store; anda fan, wherein during the rapid gas conversion mode, the Stirling engine drives the fan to blow ambient air from the heat source across the heat exchanger to more rapidly evaporate liquid oxygen from the liquid oxygen store into oxygen gas. 16. The liquid oxygen system of claim 15, wherein the liquid oxygen system is portable. 17. The liquid oxygen system of claim 15, wherein the heat sink is in thermal communication with the liquid oxygen store. 18. The liquid oxygen system of claim 15, further comprising one or more respiration sensors, wherein the rapid gas conversion mode is activated based upon signals received from the one or more respiration sensors. 19. The liquid oxygen system of claim 15, further comprising one or more pulse oximeters, wherein the rapid gas conversion mode is activated based upon signals received from the one or more pulse oximeters.
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