IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0972537
(2010-12-20)
|
등록번호 |
US-8480775
(2013-07-09)
|
발명자
/ 주소 |
- Peterson, Eric C.
- Belady, Christian L.
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
12 |
초록
▼
This patent pertains to self-cleaning fan assemblies. One implementation includes electronic components positioned in an enclosure. This implementation also includes a fan assembly that is configured to impart rotational force on air to move the air from outside the enclosure to inside the enclosure
This patent pertains to self-cleaning fan assemblies. One implementation includes electronic components positioned in an enclosure. This implementation also includes a fan assembly that is configured to impart rotational force on air to move the air from outside the enclosure to inside the enclosure and around the electronic components. The fan assembly is further configured to separate contaminants from the air based upon differences in density between the contaminants and the air.
대표청구항
▼
1. A system, comprising: an enclosure;electronic components positioned in the enclosure;a fan assembly mounted in the enclosure so that an axis of rotation of the fan assembly is horizontal, the fan assembly configured to: impart rotational force on air to move the air from outside the enclosure to
1. A system, comprising: an enclosure;electronic components positioned in the enclosure;a fan assembly mounted in the enclosure so that an axis of rotation of the fan assembly is horizontal, the fan assembly configured to: impart rotational force on air to move the air from outside the enclosure to inside the enclosure and around the electronic components,separate contaminants from the air based upon differences in density between the separated contaminants and the air; anda centrifugal separation structure positioned at a bottom of the fan assembly, wherein the positioning of the centrifugal separation structure is configured to leverage gravity so that the separated contaminants fall away from the fan assembly. 2. The system of claim 1, wherein the enclosure further includes a sacrificial space in gas flowing relation to the centrifugal separation structure and configured to receive the separated contaminants. 3. The system of claim 2, further comprising a contaminant passageway leading from the centrifugal separation structure to the sacrificial space, wherein the contaminant passageway and the sacrificial space are configured to provide backpressure that decreases a percentage of the air that travels with the contaminants and increases a percentage of the air delivered to the electronic components, such that a majority of the air is directed towards the electronic components. 4. The system of claim 1, further comprising an opening in a bottom surface of the enclosure, the opening being in gas flowing relation to the centrifugal separation structure and configured so that separated contaminants are directed outside the enclosure. 5. The system of claim 1, wherein the centrifugal separation structure comprises an elongate aperture oriented parallel to the axis of rotation of the fan assembly. 6. The system of claim 5, wherein a length of the elongate aperture of the centrifugal separation structure is generally a same measurement as a width of a housing of the fan assembly measured parallel to the axis of rotation of the fan assembly. 7. The system of claim 1, wherein the centrifugal separation structure comprises an elongate aperture oriented transverse to the axis of rotation of the fan assembly. 8. The system of claim 1, wherein the centrifugal separation structure comprises an elongate aperture that extends along less than an entirety of a length of a housing of the fan assembly. 9. A fan assembly, comprising: a housing with a first portion and a second portion, wherein the first portion of the housing is continuous to prevent air loss;a fan unit configured to draw air through the first portion of the housing toward the second portion;an air guidance structure located in the second portion of the housing, wherein the air guidance structure is configured to guide the air along an axis; and,a centrifugal separation structure comprising an elongate aperture that is generally parallel to the axis, the centrifugal separation structure configured to allow contaminants in the air to escape the air guidance structure by moving transverse to the axis,wherein the elongate aperture is longer than a height of fan blades measured parallel to the axis. 10. The fan assembly of claim 9, wherein the fan unit includes multiple fan blades that rotate around an axis of rotation and wherein the axis is co-extensive with the axis of rotation. 11. The fan assembly of claim 9, wherein the fan assembly is mounted in an enclosure and configured to move the air from outside the enclosure to inside the enclosure and around electronic components inside the enclosure. 12. The fan assembly of claim 11, wherein the centrifugal separation structure is configured to direct separated contaminants outside the enclosure. 13. A system, comprising: an electronic component positioned in an enclosure;a housing that defines a first air pathway toward the electronic component and a second air pathway away from the electronic component; and,a fan unit positioned relative to the housing and configured to move air relative to the first air pathway and the second air pathway, wherein the fan unit causes relatively dense contaminants in the air to be separated and follow the second air pathway away from the electronic component while a majority of the air follows the first pathway towards the electronic component,wherein the second air pathway comprises a contaminant passageway configured to lead the separated contaminants away from the fan unit such that the separated contaminants are: directed out of the housing,directed away from the electronic component, anddirected away from an air intake of the fan unit. 14. The system of claim 13, wherein: the housing comprises an air guidance structure that defines the first air pathway, andthe fan unit rotates around an axis and imparts a force on the contaminants that is transverse to the axis, and the force causes the separated contaminants to follow the second air pathway. 15. The system of claim 13, wherein the housing comprises an air guidance structure that defines the first air pathway and a centrifugal separation structure that defines the second air pathway. 16. The system of claim 13, wherein the contaminant passageway is angled away from the air intake of the fan unit. 17. The system of claim 14, wherein a centrifugal separation structure allows the contaminants to resume moving transverse to an axis of rotation of the fan unit so that the separated contaminants follow the second air pathway. 18. The system of claim 13, wherein the housing is positioned within the enclosure. 19. The system of claim 13, wherein the housing is positioned within the enclosure and further comprising a sacrificial space defined within the enclosure and configured to receive the separated contaminants from the contaminant passageway. 20. The system of claim 13, wherein the housing is positioned within the enclosure and wherein the contaminant passageway leads outside the enclosure and is configured to create backpressure on the second pathway.
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