IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0482295
(2006-06-26)
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등록번호 |
US-7651543
(2010-02-24)
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발명자
/ 주소 |
- Marple, Virgil A.
- Olson, Bernard A.
- Hall, Alan W.
- Lustig, Jr., Edward A.
|
출원인 / 주소 |
- The United States of America as represented by the Secretary of the Navy
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대리인 / 주소 |
Thielman, Esq., Gerhard W.
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인용정보 |
피인용 횟수 :
1 인용 특허 :
16 |
초록
▼
A planar omni-directional inlet assembly is provided for installing on a device, such as a dry filter unit, that draws a fluid medium, such as ambient air, to collect particulate matter suspended in the fluid medium onto a filter. The inlet assembly includes an annular platform removably positionabl
A planar omni-directional inlet assembly is provided for installing on a device, such as a dry filter unit, that draws a fluid medium, such as ambient air, to collect particulate matter suspended in the fluid medium onto a filter. The inlet assembly includes an annular platform removably positionable on the device; an annular nozzle to direct the air from the platform; an annular impactor disposed downstream of the nozzle; a housing that disposes the filter downstream of the impactor; and an exit for passing the air from the filter to the device. The impactor presents a flow obstacle for a portion of the particulate matter. The housing directs the air through the filter. The housing includes a base with a first cavity and a lid with a second cavity such that the filter is disposable between the first and second cavities.
대표청구항
▼
What is claimed is: 1. A planar omni-directional inlet assembly for installing on a device that draws a fluid medium to collect particulate matter suspended in the fluid medium onto a filter, the inlet assembly comprising: a platform forming an annular inlet to receive the fluid medium, the platfor
What is claimed is: 1. A planar omni-directional inlet assembly for installing on a device that draws a fluid medium to collect particulate matter suspended in the fluid medium onto a filter, the inlet assembly comprising: a platform forming an annular inlet to receive the fluid medium, the platform being disposable on the device and including opposing plates disposable to be parallel to each other, an annular nozzle to direct the fluid medium from the platform and the annular nozzle comprises a pair of nozzle portions, each of the pair of nozzle portions is respectively disposed on a corresponding member of the opposing plates; an annular impactor disposed downstream of the annular nozzle, the impactor presenting a flow obstacle for a portion of the particulate matter; a housing that disposes the filter downstream of the impactor, the housing directing the fluid medium through the filter, the housing being removably disposable on the platform; and an exit for passing the fluid medium from the filter to the device, the exit being disposed downstream of the housing. 2. The inlet assembly according to claim 1, wherein the platform comprises opposing plates disposable to be substantially parallel to each other. 3. The inlet assembly according to claim 2, wherein the platform further comprises a plate hinge to pivotably connect the opposing plates to be closed while substantially parallel in an operating configuration and open while at least one plate of the opposing plates swings on the hinge away from the other plate. 4. The inlet assembly according to claim 2, wherein the platform further comprises a plate latch to releasably attach the opposing plates. 5. The inlet assembly according to claim 1, wherein the platform includes at least one indicator for aligning the housing for disposal on the platform, the indicator being discernable by at least tactile sensation. 6. The inlet assembly according to claim 1, wherein the platform includes a clamp to releasably attach the housing to the platform. 7. The inlet assembly according to claim 1, wherein the annular nozzle comprises a pair of nozzle portions disposable to be parallel to each other on the platform. 8. The inlet assembly according to claim 1, wherein the housing comprises hinged members positionable to open and closed positions. 9. The inlet assembly according to claim 8, wherein the hinged members comprise a complimentary pair of members that oppose each other, each member including a recess that contains a magnet therein, such that the magnet exposes a magnetized surface, the magnets being disposed opposite each other while the hinged members are in the closed position, the magnetized surfaces having opposite polarity to each other. 10. The planar omni-directional inlet assembly in accordance with claim 1 wherein the fluid medium is air and the device is a dry filter unit (DFU). 11. A filter holder for securing a particulate filter in the inlet assembly according to claim 1 for installing on a device that draws a fluid medium to collect particulate matter suspended in the fluid medium onto a filter, the filter holder comprising: a base having a first cavity that communicates with the device, the base being removably disposable on the inlet assembly along a sealable surface of the base; a lid having a second cavity that communicates with the inlet assembly, the lid being disposable against the base opposite the sealable surface in a closed position; and a hinge that pivotably connects the base and the lid to enable an edge of the lid opposite the hinge to swing away from the base in an open position, wherein the filter is disposable between the first and second cavities. 12. The filter holder according to claim 11, wherein the base further includes an annular groove for receiving an O-ring to seal an interface between the base and the inlet assembly. 13. The filter holder according to claim 11, wherein the base and the lid each further includes a recess that contains a magnet therein, such that the magnet exposes a magnetized surface, the magnets being disposed opposite each other while the base and the lid are in the closed position, the magnetized surfaces having opposite polarity to each other. 14. A planar omni-directional inlet assembly for installing on a device that draws a fluid medium to collect particulate matter suspended in the fluid medium onto a filter, the inlet assembly comprising: a platform forming an annular inlet to receive the fluid medium, the platform being disposable on the device and including opposing plates disposable to be parallel to each other, an annular nozzle to direct the fluid medium from the platform and the annular nozzle comprises a pair of nozzle portions each of the pair of nozzle portions is respectively disposed on a corresponding member of the opposing plates; a plurality of annular impactors disposed downstream of the annular nozzle; a housing that disposes the filter downstream of at least one of the annular impactors, the housing directing the fluid medium through the filter, the housing being removably disposable on the platform; and an exit for passing the fluid medium from the filter to the device, the exit being disposed downstream of the housing. 15. The inlet assembly according to claim 14, wherein the annular impactors include outer and inner impactors, the outer impactor being disposed downstream of the annular nozzle, the inner impactor being disposed downstream of the outer impactor. 16. The inlet assembly according to claim 15, wherein the housing is disposed downstream of the outer impactor and upstream of the inner impactor. 17. The inlet assembly according to claim 14, wherein the platform includes at least one indicator for aligning the housing for disposal on the platform, the indicator being discernable by at least tactile sensation. 18. The inlet assembly according to claim 14, wherein the platform includes a clamp to releasably attach the housing to the platform. 19. The inlet assembly according to claim 1, wherein each portion of the pair of nozzle portions opposes the other in tandem symmetrically to a plane perpendicular to an axis of symmetry of the opposing plates.
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