Aircraft galley refrigeration system with multi-circuit heat exchanger
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F25D-011/00
F25D-017/02
F28F-003/08
출원번호
US-0033996
(2008-02-20)
등록번호
US-8607586
(2013-12-17)
발명자
/ 주소
Lu, Qiao
출원인 / 주소
B/E Aerospace, Inc.
대리인 / 주소
Drinker Biddle & Reath LLP
인용정보
피인용 횟수 :
0인용 특허 :
47
초록▼
An aircraft galley refrigeration system is provided which, in one embodiment, includes: first and second galleys; a first chiller for providing a first heat transfer fluid to the first galley; a second chiller for providing a second heat transfer fluid to the second galley; and a heat exchanger incl
An aircraft galley refrigeration system is provided which, in one embodiment, includes: first and second galleys; a first chiller for providing a first heat transfer fluid to the first galley; a second chiller for providing a second heat transfer fluid to the second galley; and a heat exchanger including a first circuit and a second circuit, the first circuit connecting the first galley with the first chiller, and the second circuit connecting the second galley with the second chiller. In another embodiment, the system includes a first cooling subsystem with a first heat transfer fluid, a second cooling subsystem with a second heat transfer fluid, and a heat exchanger that thermally couples the first and second cooling subsystems for distributing heat between the first and second heat transfer fluids.
대표청구항▼
1. An aircraft galley refrigeration system comprising: a first galley including a first galley inlet and a first galley outlet;a first chiller including a first chiller inlet and a first chiller outlet, the first chiller inlet being in fluid communication with the first galley outlet;a second galley
1. An aircraft galley refrigeration system comprising: a first galley including a first galley inlet and a first galley outlet;a first chiller including a first chiller inlet and a first chiller outlet, the first chiller inlet being in fluid communication with the first galley outlet;a second galley including a second galley inlet and a second galley outlet;a second chiller including a second chiller inlet and a second chiller outlet, the second chiller inlet being in fluid communication with the second galley outlet; anda multi-circuit fluid heat exchanger including a first exchanger inlet, a first exchanger outlet, a second exchanger inlet, a second exchanger outlet, a first circuit defined between the first exchanger inlet and the first exchanger outlet, a second circuit defined between the second exchanger inlet and the second exchanger outlet, a first fluid circulating through the first circuit, and a second fluid circulating through the second circuit, the first and second circuits being distinct and separated such that the first and second circuits are not in fluid communication with each other and such that the first and second fluids do not mix with each other, the first exchanger inlet being in fluid communication with the first chiller outlet, the second exchanger inlet being in fluid communication with the second chiller outlet, the first exchanger outlet being in fluid communication with the first galley inlet, and the second exchanger outlet being in fluid communication with the second galley inlet, such that the first fluid circulates through the first circuit, the first galley and the first chiller to form a first closed loop, and the second fluid circulates through the second circuit, the second galley and the second chiller to form a second closed loop,wherein the first and second circuits are first and second channels haying a common wall separating the first and second fluids, the first and second circuits being in thermal communication with each other for distributing heat between the first and second fluids. 2. The system of claim 1 wherein the first and second circuits are interconnected parallel first and second channels. 3. The system of claim 1 wherein the heat exchanger further comprises a fluid accumulator that is integral with the heat exchanger. 4. The system of claim 1 wherein the first chiller and the second chiller each include a chiller inlet, a chiller outlet, and a recirculation device that circulates heat transfer fluid between the chiller inlet and the chiller outlet. 5. The system of claim 3 wherein the first and second circuits are immersed in heat transfer fluid within the fluid accumulator to facilitate transfer of heat among the first and second circuits. 6. An aircraft galley refrigeration system comprising: a first galley including a first galley inlet and a first galley outlet;a first chiller including a first chiller inlet and a first chiller outlet, the first chiller outlet being in fluid communication with the first galley inlet;a second galley including a second galley inlet and a second galley outlet;a second chiller including a second chiller inlet and a second chiller outlet, the second chiller outlet being in fluid communication with the second galley inlet; anda multi-circuit fluid heat exchanger including a first exchanger inlet, a first exchanger outlet, a second exchanger inlet, a second exchanger outlet, a first circuit defined between the first exchanger inlet and the first exchanger outlet, a second circuit defined between the second exchanger inlet and the second exchanger outlet, a first fluid circulating through the first circuit, and a second fluid circulating through the second circuit, the first and second circuits being distinct and separated such that the first and second circuits are not in fluid communication with each other and such that the first and second fluids do not mix with each other, the first exchanger outlet being in fluid communication with the first chiller inlet, the second exchanger outlet being in fluid communication with the second chiller inlet, the first exchanger inlet being in fluid communication with the first galley outlet, and the second exchanger inlet being in fluid communication with the second galley outlet, such that the first fluid circulates through the first circuit, the first galley and the first chiller to form a first closed loop, and the second fluid circulates through the second circuit, the second galley and the second chiller to form a second closed loop,wherein the first and second circuits are first and second channels having a common wall separating the first and second fluids, the first and second circuits being in thermal communication with each other for distributing heat between the first and second fluids. 7. The system of claim 6 wherein the first and second circuits are interconnected parallel first and second channels. 8. The system of claim 6 wherein the first chiller and the second chiller each include a chiller inlet, a chiller outlet, and a recirculation device that circulates heat transfer fluid between the chiller inlet and the chiller outlet. 9. The system of claim 6 wherein the heat exchanger further comprises a fluid accumulator that is integral with the heat exchanger. 10. The system of claim 9 wherein the first and second circuits are immersed in heat transfer fluid within the fluid accumulator to facilitate transfer of heat among the first and second circuits.
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