In the treatment of water, an end piece is connected to a treatment cartridge housing and inserted into an appliance having bypass, inlet, and outlet valves. The end piece has an end piece wall from which an inlet fitting, outlet fitting, and protrusion extend. The inlet fittings, outlet fittings, p
In the treatment of water, an end piece is connected to a treatment cartridge housing and inserted into an appliance having bypass, inlet, and outlet valves. The end piece has an end piece wall from which an inlet fitting, outlet fitting, and protrusion extend. The inlet fittings, outlet fittings, protrusion, and cartridge housing each have a longitudinal axis. The inlet and outlet fittings have a cam surface for actuating the inlet and outlet valves, respectively. Further, the cam surfaces of the inlet and outlet fittings are angled and vectored in relation to their respective longitudinal axis. The protrusion is shaped for actuating the bypass valve.
대표청구항▼
What is claimed is: 1. A water treatment cartridge for operatively engaging a head assembly, the head assembly comprising one or more valves, for the treatment and control of fluid passing through the head assembly, said cartridge comprising: A. an end piece, said end piece comprising i. an end pie
What is claimed is: 1. A water treatment cartridge for operatively engaging a head assembly, the head assembly comprising one or more valves, for the treatment and control of fluid passing through the head assembly, said cartridge comprising: A. an end piece, said end piece comprising i. an end piece wall; ii. an inlet fitting having a fluid channel running along a longitudinal axis of the inlet fitting and an actuating cam surface arranged in the fluid channel for actuating a valve in the head assembly; iii. an outlet fitting having a cam surface for actuating a valve in the head assembly, said outlet fitting having a longitudinal axis; and iv. a protrusion having a longitudinal axis for actuating said one or more valves; wherein said inlet fitting, said outlet fitting, and said protrusion extend from said end piece wall; and B. a water treatment cartridge housing having a first end, a closed second end, and a longitudinal axis extending therebetween, said cartridge housing comprising a water treatment material in fluid communication with said inlet and said outlet fittings; wherein said end piece wall is connected to said first end of said cartridge housing, and wherein a portion of said cam surface of said inlet fitting is vectored from at least one of said longitudinal axis of said inlet fitting, said longitudinal axis of said outlet fitting, and said longitudinal axis of said cartridge housing, and wherein a portion of said cam surface of said outlet fitting is vectored from at least one of said longitudinal axis of said inlet fitting, said longitudinal axis of said outlet fitting, and said longitudinal axis of said cartridge housing. 2. A unit for use in the treatment of fluid, said unit comprising A. an end piece, said end piece comprising i. an end piece wall; ii. an inlet fitting having a fluid channel running along a longitudinal axis of the inlet fitting and an actuating cam surface arranged in the fluid channel distal a sealing surface for actuating an inlet valve, said inlet valve having a follower disposed orthogonal to said 1ongitudrna1 axis; iii. an outlet fitting for actuating an outlet valve, said outlet fitting having a sealing surface and a longitudinal axis; wherein said inlet fitting and said outlet fitting extend from said end piece wall, and wherein a portion of said cam surface of said inlet fitting is vectored from at least one of said longitudinal axis of said inlet fitting and said longitudinal axis of said outlet fitting; and B. a head assembly, said assembly comprising i. an inlet receiving port housing for receiving said inlet fitting, said inlet receiving port housing containing at least a portion of said follower of said inlet valve; and ii. an outlet receiving port housing for receiving said outlet fitting; wherein said inlet and outlet receiving port housings are so arranged to receive said inlet and outlet fittings, respectively, and said inlet and outlet sealing surfaces seal between said inlet and outlet fittings and said inlet and outlet receiving port housings, respectively, and said follower of said inlet valve is actuated by said cam surface. 3. The unit of claim 2, wherein at least a portion of said cam surface is vectored between about 1 degree and about 90 degrees from said longitudinal axis of said inlet fitting. 4. The unit of claim 2, wherein at least a portion of said cam surface is angled between about 1 degree and about 90 degrees from said longitudinal axis of said inlet fitting. 5. The unit of claim 2, wherein said cam surface comprises an essentially straight surface. 6. The unit of claim 2, wherein said cam surface comprises an essentially curved surface. 7. The unit of claim 2, wherein said cam surface comprises a first essentially straight surface and a second essentially straight surface, each said surface being vectored from said longitudinal axis of said inlet fitting. 8. The unit of claim 7, wherein said first essentially straight surface is vectored about 45 degrees from said longitudinal axis of said inlet fitting and said second essentially straight surface is vectored about 90 degrees from said longitudinal axis of said inlet fitting. 9. The unit of claim 7, wherein at least one of said first essentially straight surface and said second essentially straight surface are angled in relation to said longitudinal axis of said inlet fitting. 10. The unit of claim 2, wherein said cam surface comprises an essentially curved surface and an essentially straight surface, each said surface being vectored from said longitudinal axis of said inlet fitting. 11. The unit of claim 10, wherein said essentially straight surface is vectored about 90 degrees from said longitudinal axis of said inlet fitting. 12. The unit of claim 10, wherein said essentially straight surface is angled in relation to said longitudinal axis of said inlet fitting. 13. The unit of claim 2, wherein said outlet fitting has a cam surface distal from the sealing surface, wherein a portion of said cam surface of said outlet fitting is vectored from at least one of said longitudinal axis of said outlet fitting or said longitudinal axis of said inlet fitting. 14. The unit of claim 2, further comprising a protrusion having a longitudinal axis, said protrusion extending from said end piece wall. 15. The unit of claim 14, wherein said protrusion is positioned between said inlet and said outlet fittings. 16. The unit of claim 15, wherein the distance from said longitudinal axis of said inlet to said a longitudinal axis of said outlet is less than the distance from said longitudinal axis of said inlet to said longitudinal axis of said protrusion, and wherein the distance from said inlet to said longitudinal axis of said protrusion is greater than the distance from said longitudinal axis of said outlet to said longitudinal axis of said protrusion. 17. The unit of claim 14, wherein the most distal portion of said protrusion is closer to said end piece wall than the most distal portions of said inlet and said outlet fittings. 18. The unit of claim 2, wherein said cam surface is positioned on a wall extending from the base of a channel of said inlet fitting. 19. The unit of claim 2, wherein said end piece is capable of being connected to a cartridge housing. 20. The unit of claim 2, wherein said outlet valve is actuated by pressure. 21. The unit of claim 2, wherein said outlet valve comprises a follower, and wherein said outlet receiving port housing contains at least a portion of a follower of said outlet valve, and wherein said outlet fitting further comprises a cam surface distal said sealing surface for actuating said follower of said outlet valve, and wherein a portion of said cam surface of said outlet fitting is vectored from at least one of said longitudinal axis of said inlet fitting and said longitudinal axis of said outlet fitting.
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