Electronic component cooling hood and heat pipe
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H05K-007/20
H01L-023/473
출원번호
US-0693494
(2012-12-04)
등록번호
US-9013879
(2015-04-21)
발명자
/ 주소
Farner, Rachel
Trotman, Kenneth J.
Kokas, Jay W.
Querns, Kerry R.
출원인 / 주소
Hamilton Sundstrand Corporation
대리인 / 주소
Carlson, Gaskey & Olds, PC
인용정보
피인용 횟수 :
0인용 특허 :
17
초록▼
An electronic component and cooling system has a printed wiring board, which is planar. An electrical component is mounted on one side of the planar surface of the printed wiring board. A hood is positioned outwardly of the electronic component. Legs on the hood extend to the printed wiring board, a
An electronic component and cooling system has a printed wiring board, which is planar. An electrical component is mounted on one side of the planar surface of the printed wiring board. A hood is positioned outwardly of the electronic component. Legs on the hood extend to the printed wiring board, and form an inner surface that is positioned away from the one side relative to the electrical component. A chassis has posts connected to the printed wiring board and on an opposed side of the planar surface of the printed wiring board from the electrical component. The chassis extends to a remote portion, beyond the printed wiring board. A heat pipe is generally elongate and positioned on an opposed side of the hood from the electrical component. The heat pipe extends to the remote portion of the chassis to transfer heat from the hood to the chassis.
대표청구항▼
1. An electronic component and cooling system comprising: a printed wiring board, said printed wiring board being generally planar, and with an electrical component mounted on one side of said planar surface of said printed wiring board;a hood positioned on said printed wiring board, and outwardly o
1. An electronic component and cooling system comprising: a printed wiring board, said printed wiring board being generally planar, and with an electrical component mounted on one side of said planar surface of said printed wiring board;a hood positioned on said printed wiring board, and outwardly of said electronic component, said hood having legs extending to be in contact with said printed wiring board, and forming an inner surface which is positioned away from said one side relative to said electrical component;a chassis having posts connected to said printed wiring board and on an opposed side of said planar surface of said printed wiring board from said electrical component, said chassis extending to a remote portion, beyond said printed wiring board; anda heat pipe, said heat pipe being generally elongate and positioned on an opposed side of said hood from said electrical component, said heat pipe extending to said remote portion of said chassis to transfer heat from said hood to said chassis. 2. The system set forth in claim 1, wherein said heat pipe is connected to said remote portion of said chassis through a connection that allows relative movement in at least two directions between said heat pipe and said chassis. 3. The system as set forth in claim 2, wherein one of said heat pipe and said remote portion of said chassis is connected to a mounting bracket having a channel, and the other of said heat pipe and said remote portion of said chassis is connected to a nut plate movable within said channel to allow said relative movement in at least two directions. 4. The system as set forth in claim 3, wherein said heat pipe is connected to said mounting bracket having said channel, and said nut plate is secured to said remote portion of said chassis. 5. The system as set forth in claim 3, wherein said mounting bracket has a pair of ears defining lateral sides, and a bottom retaining feature, and said channel being defined on a remote side of said ears and said bottom retaining feature relative to said remote portion of said chassis. 6. The system as set forth in claim 5, wherein said nut plate receives a nut, and is bolted to said remote portion of said chassis by a bolt extending into said nut. 7. The system as set forth in claim 6, wherein said ears are spaced such that said bolt is free to move within a space between said ears and said bottom retaining feature. 8. The system as set forth in claim 4, wherein there are recesses at each of two opposed sides of said mounting bracket which each receive a heat pipe. 9. The system as set forth in claim 1, wherein said printed wiring board extends for a greater axial distance then does said hood, and said heat pipe extending for a greater axial distance along an elongate axial length of said heat pipe then both said hood and said printed wiring board. 10. The system as set forth in claim 9, wherein a width may be defined perpendicular to said axial length, and both said printed wiring board and said hood having a greater width than said heat pipe. 11. The system as set forth in claim 1, wherein said heat pipe is formed of copper, and said hood is formed of aluminium. 12. The system as set forth in claim 11, wherein said chassis is also formed of aluminium. 13. The system as set forth in claim 1, wherein said hood has an internal cavity receiving a phase transition material that can change phase to support heat transfer during challenging operational points in the operation for said electrical component and cooling system. 14. The system as set forth in claim 1, wherein a compressible thermal pad is positioned between said under-surface of said hood and said electrical component. 15. An electronic component and cooling system comprising: a printed wiring board, said printed wiring board being generally planar, and with an electrical component mounted on one side of said planar surface of said printed wiring board;a hood positioned on said printed wiring board, and outwardly of said electronic component, said hood having legs extending to be in contact with said printed wiring board, and forming an inner surface which is positioned away from said one side relative to said electrical component;a chassis having posts connected to said printed wiring board and on an opposed side of said planar surface of said printed wiring board from said electrical component, said chassis extending to a remote portion, beyond said printed wiring board;a heat pipe, said heat pipe being generally elongate and positioned on an opposed side of said hood from said electrical component, said heat pipe extending to said remote portion of said chassis to transfer heat from said hood to said chassis;said heat pipe being connected to a mounting bracket, and said mounting bracket retains said nut plate having a tip extending into a channel in the mounting bracket allows relative movement in at least two directions between said heat pipe and said chassis;said printed wiring board extending for a greater axial distance then does said hood, and said heat pipe extending for a greater axial distance along an elongate axial length of said heat pipe then both said hood and said printed wiring board;a width may be defined perpendicular to said axial length, and both said printed wiring board and said hood having a greater width than said heat pipe; anda compressible thermal pad being positioned between said under-surface of said hood and said electrical component. 16. The system as set forth in claim 15, wherein said heat pipe is formed of copper, and said hood is formed of aluminium. 17. The system as set forth in claim 16, wherein said chassis is also formed of aluminium.
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