IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0164523
(2002-06-06)
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발명자
/ 주소 |
- Wyatt,William Gerald
- Schwartz,Gary J.
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
6 인용 특허 :
23 |
초록
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An apparatus includes a thermally conductive section with a side facing approximately parallel to an axis and adapted to be thermally coupled to a circuit component, and includes a fluid supply section which directs a fluid flow along the axis toward an opposite side of the thermally conductive sect
An apparatus includes a thermally conductive section with a side facing approximately parallel to an axis and adapted to be thermally coupled to a circuit component, and includes a fluid supply section which directs a fluid flow along the axis toward an opposite side of the thermally conductive section. The thermally conductive section splits the fluid flow into a plurality of flow portions which each flow through the thermally conductive section in a direction approximately parallel to a plane perpendicular to the axis, the flow portions exiting the thermally conductive section at a plurality of respective locations disposed along a substantial portion of the periphery of the thermally conductive section.
대표청구항
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What is claimed is: 1. An apparatus comprising: a thermally conductive section having a side which faces in a direction approximately parallel to an axis, and which is adapted to be thermally coupled to a circuit component; a fluid supply section disposed on a side of said thermally conductive sec
What is claimed is: 1. An apparatus comprising: a thermally conductive section having a side which faces in a direction approximately parallel to an axis, and which is adapted to be thermally coupled to a circuit component; a fluid supply section disposed on a side of said thermally conductive section opposite from said side facing in said direction and operable to direct a fluid flow along said axis toward said thermally conductive section, said thermally conductive section causing said fluid flow to split into a plurality of flow portions which each flow through said thermally conductive section in a direction approximately parallel to a plane perpendicular to said axis, said flow portions exiting said thermally conductive section at a plurality of respective locations which are disposed along a substantial portion of the periphery of said thermally conductive section; wherein said plural flow portions each flow away from said axis through said thermally conductive section in a respective one of at least three directions that each extend approximately radially of said axis; and wherein said thermally conductive section has a base portion with first and second sides facing in respective first and second directions which are approximately opposite and which are each approximately parallel to said axis, said first side being said which is adapted to be thermally coupled to a circuit component, said thermally conductive section further having a plurality of fins which project outwardly from said second side of said base portion in approximately said second direction, said fins being arranged in at least three groups which are distributed angularly about said axis, the fins in each said group extending approximately parallel to each other, at least one said fin of each said group extending approximately radially of said axis, and said thermally conductive section causing said fluid flow to split so that the number of said flow portions is equal to the number of said groups, each said flow portion flowing away from said axis between and parallel to the fins of a respective said group. 2. An apparatus according to claim 1, wherein said fluid flow directed along said axis is a flow of air. 3. An apparatus according to claim 2, wherein said fluid supply section includes a fan that effects and air flow which is said fluid flow. 4. An apparatus according to claim 3, including a plenum disposed between said fan and said thermally conductive section, said air flow passing through said plenum. 5. An apparatus according to claim 1, wherein there are four said groups of fins, the fins of two of said groups extending approximately parallel to a first line which is perpendicular to said axis, and the fins of the other two of said groups extending approximately parallel to a second line which is perpendicular to each of said axis and said first line. 6. An apparatus according to claim 5, wherein each said group of fins, when viewed in a direction parallel to said axis, defines approximately a square having one corner disposed at said axis. 7. An apparatus according to claim 5, wherein each said group of fins, when viewed in a direction parallel to said axis, defines approximately a right triangle having the 90째 apex disosed at said axis. 8. An apparatus according to claim 5, wherein each said fin of each said group has one end which terminates at an end of a respective said fin from a different said group. 9. An apparatus according to claim 1, wherein said thermally conductive section includes a thermally conductive sheet which is bent to have a plurality of pairs of side portions which are parallel and adjacent, a plurality of first end portions which each extend between the side portions of a respective said pair at one end thereof, and a plurality of second end portions which each extend between two said side portions from different said pairs at the other ends thereof, said second end portions each being substantially longer than each of said first end portions and each defining a respective part of said base portion, and each said first end portion and the associated pair of said side portions defining a respective said fin. 10. An apparatus according to claim 9, wherein said thermally conductive sheet is made of metal. 11. An apparatus according to claim 1, including a circuit which includes a circuit component having a surface thereon, said side of said thermally conductive section being mounted on said component in thermal communication with said surface of said component. 12. A method, comprising the steps of: configuring a thermally conductive section to have a side which faces in direction approximately parallel to an axis and which is adapted to be thermally coupled to a circuit component: directing a fluid flow along said axis approximately in said first direction, said thermally conductive section causing said fluid flow to split into a plurality of flow portions which each flow through said thermally conductive section in a direction approximately parallel to a plane perpendicular to said axis, said flow portions exiting said thermally conductive section at a plurality of respective locations which are disposed along a substantial portion of the periphery of said thermally conductive section; including the step of selecting air as the fluid for said fluid flow; wherein said step of directing said fluid flow includes the step of causing said plural flow portions to each flow away from said axis through said thermally conductive section in a respective one of at least three directions that each extend approximately radially of said axis; and wherein said configuring step includes the step of configuring said thermally conductive section to include a base portion and a plurality of fins, said base portion having first and second sides facing in respective first and second directions which are approximately opposite and which are each approximately parallel to said axis, said first side being said side which is adapted to be thermally coupled to a circuit component, said fins projecting outwardly from said second side of said base portion in approximately said second direction, and being arranged in at least three groups which are distributed angularly about said axis, the fins in each said group extending approximately parallel to each other, and at least one said fin of each said group extending approximately radially of said axis, said thermally conductive section splitting said fluid flow so that the number of said flow portions is equal to the number of said groups, said flow portions each flowing away from said axis between and parallel to the fins of a respective said group. 13. A method according to claim 12, including the step of selecting air as the fluid for said fluid flow. 14. A method according to claim 12, wherein said configuring step includes the step of providing four said groups of fins, the fins of two of said groups extending approximately parallel to a first line which is perpendicular to said axis, and the fins of the other two of said groups extending approximately parallel to a second line which is perpendicular to each of said axis and said first line. 15. A method according to claim 12, wherein said configuring step includes the step of bending a thermally conductive sheet to have a plurality of pairs of side portions which are parallel and adjacent, a plurality of first end portions which each extend between the side portions of a respective said pair at one end thereof, and a plurality of second end portions which each extend between two said side portions from different said pairs at the other ends thereof, said second end portions each being substantially longer than each of said first end portions and each defining a respective part of said base portion, and each said first end portion and the associated pair of said side portions defining a respective said fin. 16. A method according to claim 12, including the steps of: providing a circuit which includes a circuit component having a surface thereon; and mounting said side of said thermally conductive section on said component in thermal communication with said surface of said component.
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