IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0177679
(2011-07-07)
|
등록번호 |
US-8257473
(2012-09-04)
|
발명자
/ 주소 |
- McCombs, Norman R.
- Bosinski, Robert
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
19 |
초록
▼
A sieve bed including an inlet end, an outlet end, a retainer disposed toward the inlet end and including an interior portion, an exterior portion, a plurality of openings disposed toward the exterior portion, and a passage disposed toward the interior portion, an inlet cap and an inlet port configu
A sieve bed including an inlet end, an outlet end, a retainer disposed toward the inlet end and including an interior portion, an exterior portion, a plurality of openings disposed toward the exterior portion, and a passage disposed toward the interior portion, an inlet cap and an inlet port configured to receive a feed stream, wherein the inlet cap includes at least a portion spaced from the retainer thereby defining an inlet chamber in fluid communication with the inlet port and the plurality of openings, an outlet lid disposed toward the outlet end, an exterior wall extending from the inlet cap to the outlet lid, an intermediate wall spaced from the exterior wall and extending from the retainer toward and terminating short of the outlet lid and an interior wall spaced from the intermediate wall and extending from the retainer proximate the passage to at least the outlet lid.
대표청구항
▼
1. A sieve bed for use in an oxygen concentrator system, comprising: an inlet end;an outlet end;a retainer disposed toward the inlet end and including an interior portion, an exterior portion, a plurality of openings disposed toward the exterior portion, and a passage disposed toward the interior po
1. A sieve bed for use in an oxygen concentrator system, comprising: an inlet end;an outlet end;a retainer disposed toward the inlet end and including an interior portion, an exterior portion, a plurality of openings disposed toward the exterior portion, and a passage disposed toward the interior portion;an inlet cap disposed proximate the retainer and an inlet port disposed proximate the inlet cap and configured to receive a feed stream, wherein the inlet cap includes at least a portion spaced from the retainer to thereby define an inlet chamber wherein the inlet chamber is in fluid communication with the inlet port and the plurality of openings;an outlet lid disposed toward the outlet end;an exterior wall extending at least from the inlet cap to at least the outlet lid;an intermediate wall spaced from the exterior wall and extending from about the retainer toward and terminating short of the outlet lid; andan interior wall spaced from the intermediate wall and extending at least from the retainer proximate the passage to at least the outlet lid. 2. The sieve bed of claim 1 wherein the exterior, intermediate, and interior walls are annular structures. 3. The sieve bed of claim 2 wherein the diameter of the intermediate wall is less than the diameter of the exterior wall and the diameter of the interior wall is less than the diameter of the intermediate wall. 4. The sieve bed of claim 1 wherein the retainer further includes at least one recessed portion disposed proximate the passage wherein the recessed portion is configured to receive at least a portion of the interior wall. 5. The sieve bed of claim 1 wherein each of the plurality of opening are evenly distributed. 6. The sieve bed of claim 1 further including: a spring retainer disposed proximate the outlet lid and toward the outlet end;a spring;an outlet cap disposed proximate the spring retainer;an outlet port disposed proximate the outlet cap and configured to communicate a product gas;wherein the outlet cap includes at least a portion spaced from the spring retainer and configured to receive the spring; andwherein the spring retainer and outlet lid are configured to be movable longitudinally with respect to the exterior wall. 7. The sieve bed of claim 1 further including an inlet lid disposed proximate the interior portion of the retainer. 8. The sieve bed of claim 1 wherein the intermediate wall is configured to extend from a portion of the exterior portion of the retainer toward the interior portion from the plurality of openings. 9. The sieve bed of claim 1 further including a first O-ring, a second O-ring, and a third O-ring disposed proximate the exterior wall and the inlet cap, the intermediate wall and the retainer, and the exterior wall and the outlet cap, respectively. 10. A sieve bed, comprising: an outlet lid;an outlet port;a retainer including an interior portion, an exterior portion, and a plurality of openings disposed toward the exterior portion;an annular exterior wall defining a bed area in fluid communication with the plurality of openings;an annular interior wall including an interior portion in fluid communication with the outlet port;an first set of annular intermediate walls and a second set of annular intermediate walls wherein each of the first set of annular intermediate walls extends from the retainer toward and short of the outlet lid and each of the second set of annular intermediate walls extends from the outlet lid toward and short of the retainer;wherein each of the first set of annular intermediate walls and each of the second set of annular intermediate walls are alternately disposed and spaced apart; andwherein the retainer includes a passage proximate the interior wall and extending outwardly beyond the intersection of the interior wall and the retainer. 11. The sieve bed of claim 10 wherein the passage does not extend beyond the intersection of the annular intermediate wall immediately proximate the interior wall and the retainer. 12. The sieve bed of claim 10 wherein each of the exterior wall, intermediate walls, and interior wall is an annular structure. 13. The sieve bed of claim 10 wherein the interior wall intersects the retainer at about the center of the interior portion of the retainer. 14. The sieve bed of claim 10 wherein the retainer further includes at least one recessed portion disposed proximate the passage wherein the recessed portion is configured to receive at least a portion of the interior wall. 15. The sieve bed of claim 10 wherein the annular intermediate wall immediately proximate the interior wall is one of the first set of annular intermediate walls. 16. The sieve bed of claim 10 wherein the annular intermediate wall immediately proximate the exterior wall is one of the first set of annular intermediate walls and wherein the annular intermediate wall immediately proximate the exterior wall is configured to extend from a portion of the exterior portion of the retainer inward of the plurality of openings. 17. The sieve bed of claim 10 further including an inlet cap disposed proximate the retainer and an inlet port disposed proximate the inlet cap, wherein the inlet cap includes at least a portion spaced from the retainer to thereby define an inlet chamber wherein the inlet chamber is in fluid communication with the inlet port and the plurality of openings. 18. A sieve bed apparatus, comprising: an outlet lid;a retainer including an interior portion, an exterior portion, a plurality of openings disposed toward the exterior portion, and a passage disposed toward the interior portion;an exterior wall extending at least from the exterior portion of the retainer to at least the outlet lid;an intermediate wall spaced from the exterior wall and extending from about the retainer toward and terminating short of the outlet lid; andan interior wall spaced from the intermediate wall and extending from the retainer proximate the passage and through the outlet lid; anda bed area defined at least by the outlet lid and the retainer and having an effective length greater than the length of the exterior wall. 19. The sieve bed of claim 18 further including an inlet cap disposed proximate the retainer and an inlet port disposed proximate the inlet cap, wherein the inlet cap includes at least a portion spaced from the retainer to thereby define an inlet chamber wherein the inlet chamber is in fluid communication with the inlet port and the plurality of openings. 20. The sieve bed of claim 18 further including: a spring retainer disposed proximate the outlet lid;a conical spring;an outlet port disposed proximate the outlet cap and in communication with the interior wall;an outlet cap disposed proximate the spring retainer and attached to the outlet port;wherein the outlet cap includes at least a portion spaced from the spring retainer and configured to receive the conical spring; andwherein at least the spring retainer and outlet lid are configured to be movable axially with respect to the exterior wall.
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