Water treatment devices and cartridges therefor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-035/00
B01D-035/28
B01D-027/00
출원번호
US-0665948
(2003-09-18)
등록번호
US-7441664
(2008-10-28)
발명자
/ 주소
Tanner,John D.
Emmons,David James
출원인 / 주소
PUR Water Purification Products Inc.
대리인 / 주소
Alexander,Richard L.
인용정보
피인용 횟수 :
6인용 특허 :
319
초록▼
A cartridge for treating water, the cartridge 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 untr
A cartridge for treating water, the cartridge 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 The treatment media is in fluid communication with the inlet and the outlet port. The cartridge further includes a first tube having 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 cartridge further includes a second tube having 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 part. 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▼
What is claimed is: 1. A water treatment cartridge for treating water, said water treatment cartridge capable of sealingly and releasably engaging a water treatment device, said water treatment cartridge comprising: (a) a housing, an inlet for introducing water into said water treatment cartridge,
What is claimed is: 1. A water treatment cartridge for treating water, said water treatment cartridge capable of sealingly and releasably engaging a water treatment device, said water treatment cartridge comprising: (a) a housing, an inlet for introducing water into said water treatment cartridge, an outlet port for egress of treated water from said water treatment cartridge, and a treatment media for treating water, said treatment media being in fluid communication with said inlet and said outlet port; (b) a first tube comprising an inside surface, an outside surface, a proximal end, and a distal end, wherein at least one of said inside surface and said outside surface comprises a sealing surface; and (c) a second tube comprising an inside surface, an outside surface, a proximal end, and a distal end, wherein at least one of said inside surface and said outside surface comprises a sealing surface; wherein said first tube extends from said housing and surrounds said outlet port forming a treated water passageway; wherein said second tube surrounds said first tube such that a gap is formed between said first tube, said second tube, and an outer surface of said housing; and wherein said gap is disposed between said inlet and said outlet port; and wherein said second tube extends from said first tube, and said first tube extends from said water treatment cartridge housing. 2. The water treatment cartridge 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 at least a portion of said inside surface of said first tube and at least a portion of said inside surface of said second tube are sealing surfaces. 4. The water treatment cartridge of claim 1, wherein said distal end of said second tube extends from said water treatment cartridge housing a greater distance than said distal end of said first tube. 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.
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