Water treatment devices and cartridges therefor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-027/00
B01D-035/00
B01D-035/30
B01D-027/04
B01D-039/14
출원번호
US-0209751
(2008-09-12)
등록번호
US-8215492
(2012-07-10)
발명자
/ 주소
Tanner, John D.
Emmons, David James
출원인 / 주소
Pur Water Purification Products, Inc.
대리인 / 주소
Dinsmore & Shohl, LLP
인용정보
피인용 횟수 :
1인용 특허 :
91
초록▼
A cartridge for treating water capable of releasably engaging a water treatment device. The cartridge includes a housing, an inlet for introducing untreated water into the cartridge, an outlet port for egress of treated water from the cartridge, and a treatment media for treating untreated water tha
A cartridge for treating water capable of releasably engaging a water treatment device. The cartridge includes a housing, an inlet for introducing untreated water into the cartridge, an outlet port for egress of treated water from the cartridge, and a treatment media for treating untreated water that is in fluid communication with the inlet and the outlet port. The cartridge includes a first tube and a second tube, wherein each of the tubes comprise an inside surface, an outside surface, a proximal end, and a distal end, where the inside surface and/or the outside surface is a sealing surface. The first tube extends from the housing and surrounds the outlet port. At least a portion of the first tube or the second tube surrounds the other such that a gap is formed between the first tube and the second tube.
대표청구항▼
1. A water treatment cartridge for treating water, said water treatment cartridge comprising: (a) a first end;(b) a second end;(c) a treatment media;(d) a housing comprising: (i) a first cap disposed at said first end of said water treatment cartridge, and(ii) a second cap disposed at said second en
1. A water treatment cartridge for treating water, said water treatment cartridge comprising: (a) a first end;(b) a second end;(c) a treatment media;(d) a housing comprising: (i) a first cap disposed at said first end of said water treatment cartridge, and(ii) a second cap disposed at said second end of said water treatment cartridge, said second cap does not include an opening disposed therein;(e) an inlet disposed between said first cap and said second cap,(f) an outlet disposed in and through said first cap, allowing filtered water to flow from said treatment media and exit said water treatment cartridge;(g) a first tube extending from said first cap and encompassing said outlet, said first tube having an inside surface, outside surface, proximal end and distal end, wherein at least a portion of said inside surface is a sealing surface; and(h) a second tube extending from said first end and surrounding said first tube, said second tube having an inside surface, proximal end, and distal end, wherein at least a portion of said inside surface of said second tube is a non-threaded sealing surface. 2. The water treatment of claim 1, wherein at least one said sealing surface of said second tube and at least one said sealing surface of said first tube are coplanar. 3. The water treatment cartridge of claim 1, wherein said distal end of said first tube extends from said water treatment cartridge housing a greater distance than said distal end of said second tube. 4. The water treatment cartridge of claim 1, wherein said distal ends of said first and second tubes extend from the housing the same distance. 5. The water treatment cartridge of claim 1, wherein said first and second tubes are without o-rings. 6. The water treatment cartridge of claim 1, wherein the diameter of said inside surface of said second tube is from about 1 cm to about 5 cm, and wherein the diameter of said outside surface of said first tube is from about 0.5 cm to about 3 cm. 7. The water treatment cartridge of claim 1, wherein a portion of said outside surface of said second tube is a cam surface. 8. The water treatment cartridge of claim 1, wherein said first and second tubes are concentric. 9. The water treatment cartridge of claim 1, wherein said first tube is coaxial with said second tube. 10. A water treatment cartridge for treating water, said water treatment cartridge comprising: (a) a first end;(b) a second end;(c) a treatment media;(d) a housing comprising: (i) a first cap disposed at said first end of said water treatment cartridge, and(ii) a non-annular second cap disposed at said second end of said water treatment cartridge;(e) an inlet disposed between said first cap and said second cap,(f) an outlet disposed in and through said first cap, allowing filtered water to flow from said treatment media and exit said water treatment cartridge;(g) a first tube extending from said first cap and encompassing said outlet, said first tube having an inside surface, outside surface, proximal end and distal end, wherein at least a portion of said inside surface is a sealing surface; and(h) a second tube extending from said first end, said second tube having an inside surface, outside surface, proximal end and distal end, wherein at least a portion of said second tube encompasses said first tube and at least a portion of said inside surface of said second tube is a non-threaded sealing surface. 11. The water treatment cartridge of claim 10, wherein the most distal said sealing surface of said first tube extends from said water treatment cartridge housing a greater distance than the most distal said sealing surface of said second tube. 12. A water treatment cartridge of claim 10, wherein said sealing surfaces of said first and said second tubes extend from the water treatment cartridge housing about the same distance. 13. The water treatment cartridge of claim 10, wherein said first and second tubes are without o-rings. 14. The water treatment cartridge of claim 10, wherein the diameter of said inside surface of said second tube is from about 1 cm to about 5 cm, and wherein the diameter of said outside surface of said first tube is from about 0.5 cm to about 3 cm. 15. The water treatment cartridge of claim 10, wherein said treatment media comprises a radial flow carbon block. 16. The water treatment cartridge of claim 10, wherein said non-annular second cap extends, uninterrupted, across the diameter of said second end of said water treatment cartridge. 17. A water treatment system comprising: (1) a water treatment cartridge for treating water, said water treatment cartridge comprising: (a) a first end,(b) a second end,(c) a treatment media,(d) a housing comprising: (i) a first cap disposed at said first end of said water treatment cartridge, and(ii) a second cap disposed at said second end of said water treatment cartridge, said second cap does not include an opening disposed therein;(e) a cartridge inlet disposed between said first cap and said second cap,(f) a cartridge outlet disposed in and through said first cap, allowing filtered water to flow from said treatment media and exit said water treatment cartridge,(g) a first tube extending from said first cap and encompassing said outlet, said first tube having an inside surface, outside surface, proximal end and distal end, wherein at least a portion of said inside surface is a sealing surface, and(h) a second tube extending from said first end and surrounding said first tube, said second tube having an inside surface, outside surface, proximal end and distal end, wherein at least a portion of said inside surface of said second tube is a non-threaded sealing surface; and(2) a water treatment device comprising: (a) an annular outlet housing releasably connected to said first tube placing said annular outlet housing in fluid communication with said cartridge outlet, said outlet housing comprising a proximal end, a distal end, an inside surface, an outside surface, and at least one sealing surface disposed on said outside surface, said at least one sealing surface of said outside surface of said annular outlet housing in sealing engagement with said sealing surface of said inside surface of said first tube,(b) a second annular housing separate and distinct from and at least a portion encompassing said outlet housing to form a gap between said outlet housing and said second annular housing, said second annular housing comprising a proximal end, distal end, an inside surface, an outside surface, and at least one sealing surface disposed on said outside surface and in sealing engagement with said sealing surface of said second tube, and(c) a device inlet housing in fluid communication with said cartridge inlet for introducing untreated water into said water treatment cartridge when said water treatment device is sealingly engaged to the water treatment cartridge. 18. The water treatment system of claim 17, wherein said at least one sealing surface of said annular outlet housing is at least one o-ring oriented around said outside surface of said annular outlet housing, and said at least one sealing surface of said second annular housing is at least one o-ring oriented around said outside surface of said second annular housing. 19. The water treatment cartridge of claim 17, wherein said first and second tubes are concentric. 20. The water treatment cartridge of claim 17, wherein said first tube is coaxial with said second tube.
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