Thermal transfer structure(s) and attachment mechanism(s) facilitating cooling of electronics card(s)
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H05K-007/20
F16L-041/10
F28F-009/02
F28D-015/02
출원번호
US-0778524
(2013-02-27)
등록번호
US-9497888
(2016-11-15)
발명자
/ 주소
Arvelo, Amilcar R.
Campbell, Levi A.
Ellsworth, Jr., Michael J.
McKeever, Eric J.
Snider, Richard P.
출원인 / 주소
INTERNATIONAL BUSINESS MACHINES CORPORATION
대리인 / 주소
McNamara, Esq., Margaret A.
인용정보
피인용 횟수 :
0인용 특허 :
14
초록▼
Cooling apparatuses and coolant-cooled electronic assemblies are provided which include a thermal transfer structure configured to couple to one or more sides of an electronics card having one or more electronic components to be cooled. The thermal transfer structure includes a thermal spreader and
Cooling apparatuses and coolant-cooled electronic assemblies are provided which include a thermal transfer structure configured to couple to one or more sides of an electronics card having one or more electronic components to be cooled. The thermal transfer structure includes a thermal spreader and at least one coolant-carrying channel associated with the thermal spreader to facilitate removal of heat from the thermal spreader to coolant flowing through the coolant-carrying channel(s). The cooling apparatus further includes a coolant manifold structure disposed adjacent to a socket of the electronic system within which the electronics card operatively docks, and a fluidic and mechanical attachment mechanism which facilitates selective, fluidic and mechanical coupling or decoupling the thermal transfer structure and coolant manifold structure, the attachment mechanism facilitating the flow of coolant between the coolant manifold structure and the coolant-carrying channel(s) of the thermal transfer structure.
대표청구항▼
1. A cooling apparatus comprising: a thermal transfer structure configured to couple to at least one side of an electronics card comprising one or more electronic components to be cooled, the electronics card operatively docking within a socket of an electronic system, and the thermal transfer struc
1. A cooling apparatus comprising: a thermal transfer structure configured to couple to at least one side of an electronics card comprising one or more electronic components to be cooled, the electronics card operatively docking within a socket of an electronic system, and the thermal transfer structure comprising: a thermal spreader comprising a plate to couple to the at least one side of the electronics card, the plate comprising an extension at a side edge of the thermal spreader; andat least one coolant-carrying channel associated with the thermal spreader for removing heat from the thermal spreader to liquid coolant flowing through the at least one coolant-carrying channel, the at least one coolant-carrying channel extending into the extension of the thermal spreader;a coolant manifold structure disposed at an end of the socket of the electronic system within which the electronics card is to operatively dock, the coolant manifold structure including an opening in a surface thereof extending into a liquid-coolant-carrying compartment of the coolant manifold structure; andan attachment mechanism which selectively, fluidically and mechanically couples or decouples the thermal transfer structure and the coolant manifold structure, the attachment mechanism facilitating the flow of liquid coolant between the coolant manifold structure and the at least one coolant-carrying channel of the thermal transfer structure, and the attachment mechanism comprising: a fastener extending through the extension in the thermal spreader, including through the at least one coolant-carrying channel within the extension, wherein the fastener extends into the opening in the surface of the coolant manifold structure and facilitates mechanically coupling the thermal transfer structure to the coolant manifold structure, and when mechanically coupled, the at least one coolant-carrying channel of the thermal transfer structure is also in fluid communication with the liquid-coolant-carrying compartment of the coolant manifold structure through the opening in the surface of the coolant manifold structure. 2. The cooling apparatus of claim 1, wherein the coolant manifold structure is a thermally conductive structure. 3. The cooling apparatus of claim 1, wherein the fastener of the attachment mechanism comprises a threaded fastener which couples the thermal transfer structure and coolant manifold structure together. 4. The cooling apparatus of claim 3, wherein the threaded fastener comprises a hollow shaft and at least one lateral opening, the hollow shaft and at least one lateral opening facilitating the flow of coolant through the threaded fastener and between the coolant manifold structure and the at least one coolant-carrying channel associated with the thermal spreader of the thermal transfer structure. 5. The cooling apparatus of claim 4, wherein at least one of the thermal transfer structure or the attachment mechanism comprises a chamber in fluid communication with the at least one coolant-carrying channel and the at least one lateral opening in the threaded fastener, the chamber facilitating a consistent pressure drop through the at least one channel independent of orientation of the at least one lateral opening in the threaded fastener of the attachment mechanism relative to the at least one coolant-carrying channel. 6. The cooling apparatus of claim 3, wherein the attachment mechanism is configured to facilitate an annular flow of coolant about the threaded fastener between the at least one coolant-carrying channel of the thermal transfer structure and the coolant manifold structure. 7. The cooling apparatus of claim 1, wherein the surface of the coolant manifold structure is an upper surface of the coolant manifold structure, the extension of the thermal spreader contacting the upper surface of the coolant manifold structure with operative insertion of the electronics card into the socket of the electronic system. 8. The cooling apparatus of claim 7, wherein the opening in the surface of the coolant manifold structure is a threaded opening, and wherein the fastener threadably couples to the threaded opening to couple the thermal transfer structure and coolant manifold structure together. 9. The cooling apparatus of claim 1, wherein the coolant manifold structure comprises one of a coolant supply manifold structure or a coolant return manifold structure. 10. The cooling apparatus of claim 9, wherein the coolant manifold structure comprises an elongate rail extending transverse to the socket. 11. A cooling apparatus comprising: a thermal transfer structure configured to couple to at least one side of an electronics card comprising one or more electronic components to be cooled, the electronics card operatively docking within a socket of an electronic system, and the thermal transfer structure comprising: a thermal spreader configured to couple to the at least one side of the electronics card; andat least one coolant-carrying channel associated with the thermal spreader for removing heat from the thermal spreader to coolant flowing through the at least one coolant-carrying channel;a coolant manifold structure disposed adjacent to the socket of the electronic system within which the electronics card is to operatively dock; anda fluidic and mechanical attachment mechanism which selectively, fluidically and mechanically couples or decouples the thermal transfer structure and coolant manifold structure, the fluidic and mechanical attachment mechanism facilitating the flow of coolant between the coolant manifold structure and the at least one coolant-carrying channel of the thermal transfer structure; andwherein the thermal spreader comprises a first thermal spreader, and wherein the thermal transfer structure further comprises a second thermal spreader, the first thermal spreader and the second thermal spreader being configured to couple to opposite sides of the electronics card and each comprising at least one thermally conductive extension extending past the electronics card when the first and second thermal spreaders are coupled together with the electronics card sandwiched between the first and second thermal spreaders, the thermally conductive extensions being configured to thermally couple together to facilitate thermal conduction of heat from the second thermal spreader to the first thermal spreader with the at least one coolant-carrying channel associated therewith. 12. A coolant-cooled electronic assembly comprising: an electronic system, the electronic system comprising: an electronics card comprising one or more electronic components to be cooled;a socket operatively receiving the electronics card; anda cooling apparatus comprising: a thermal transfer structure coupled to at least one side of the electronics card, the thermal transfer structure comprising: a thermal spreader comprising a plate to couple to the at least one side of the electronics card, the plate comprising an extension at a side edge of the thermal spreader; andat least one coolant-carrying channel associated with the thermal spreader for removing heat from the thermal spreader to liquid coolant flowing through the at least one coolant-carrying channel, the at least one coolant-carrying channel extending into the extension of the thermal spreader;a coolant manifold structure disposed at an end of the socket of the electronic system within which the electronics card is to operatively dock, the coolant manifold structure including an opening in a surface thereof extending into a liquid-coolant-carrying compartment of the coolant manifold structure; andan attachment mechanism which selectively, fluidically and mechanically couples or decouples the thermal transfer structure and the coolant manifold structure, the attachment mechanism facilitating the flow of liquid coolant between the coolant manifold structure and the at least one coolant-carrying channel of the thermal transfer structure, and the attachment mechanism comprising: a fastener extending through the extension in the thermal spreader, including through the at least one coolant-carrying channel within the extension, wherein the fastener extends into the opening in the surface of the coolant manifold structure and facilitates mechanically coupling the thermal transfer structure to the coolant manifold structure, and when mechanically coupled, the at least one coolant-carrying channel of the thermal transfer structure is also in fluid communication with the liquid-coolant-carrying compartment of the coolant manifold structure through the opening in the surface of the coolant manifold structure. 13. The coolant-cooled electronic assembly of claim 12, wherein the coolant manifold structure comprises one of a coolant supply manifold structure or a coolant return manifold structure. 14. The coolant-cooled electronic assembly of claim 13, wherein the coolant manifold structure is thermally conductive. 15. The coolant-cooled electronic assembly of claim 13, wherein the fastener of the attachment mechanism comprises a threaded fastener which couples the thermal transfer structure and coolant manifold structure together. 16. The cooling apparatus of claim 15, wherein the threaded fastener comprises a hollow shaft and at least one lateral opening, the hollow shaft and at least one lateral opening facilitating the flow of coolant through the threaded fastener and between the coolant manifold structure and the at least one coolant-carrying channel associated with the thermal spreader of the thermal transfer structure. 17. The cooling apparatus of claim 16, wherein at least one of the thermal transfer structure or the attachment mechanism comprises a chamber in fluid communication with the at least one coolant-carrying channel and the at least one lateral opening in the threaded fastener, the chamber facilitating a consistent pressure drop through the at least one channel independent of orientation of the at least one lateral opening in the threaded fastener of the attachment mechanism relative to the at least one coolant-carrying channel. 18. The coolant-cooled electronic assembly of claim 15, wherein the attachment mechanism is configured to facilitate an annular flow of coolant about the threaded fastener between the at least one coolant-carrying channel of the thermal transfer structure and the coolant manifold structure. 19. The coolant-cooled electronic assembly of claim 12, wherein the surface of the coolant manifold structure is an upper surface of the coolant manifold structure, the extension of the thermal spreader contacting the upper surface of the coolant manifold structure with operative insertion of the electronics card into the socket of the electronic system. 20. The coolant-cooled electronic assembly of claim 19, wherein the opening in the surface of the coolant manifold structure is a threaded opening, and wherein the fastener threadably couples to the threaded opening to couple the thermal transfer structure and coolant manifold structure together.
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이 특허에 인용된 특허 (14)
Pikovsky, Anatoly; Roemer, Andrew, Apparatus and method for circuit board liquid cooling.
Arvelo, Amilcar R.; Campbell, Levi A.; Ellsworth, Jr., Michael J.; McKeever, Eric J.; Snider, Richard P., Fabricating thermal transfer and coolant-cooled structures for cooling electronics card(s).
Campbell, Levi A.; Chu, Richard C.; Ellsworth, Jr., Michael J.; Holahan, Maurice F.; Iyengar, Madhusudan K.; Simons, Robert E.; Wagner, Rebecca N., High performance dual-in-line memory (DIMM) array liquid cooling assembly and method.
Arvelo, Amilcar R.; Campbell, Levi A.; Ellsworth, Jr., Michael J.; McKeever, Eric J.; Snider, Richard P., Methods of fabricating a coolant-cooled electronic assembly.
Arvelo, Amilcar R.; Campbell, Levi A.; Ellsworth, Jr., Michael J.; McKeever, Eric J.; Snider, Richard P., Thermal transfer and coolant-cooled structures facilitating cooling of electronics card(s).
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