Replaceable integrated water filtration and sterilization cartridge and assembly therefor
First Claim
1. An integrated water filtration and sterilization cartridge which comprises:
- a first end plate and a second end plate;
.a filtration member disposed between said first and second end plates, said filtration member being securely affixed to both said first and second end plates; and
an ultraviolet lamp affixed to said first end plate and disposed within the interior of said filtration member such that a permeate chamber is formed between said ultraviolet lamp and the inner surface of said filtration member, wherein said first and second end plates, said filtration member and said ultraviolet lamp form an integrated unit that is removable and replaceable as a single cartridge.
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Accused Products
Abstract
A filtration/sterilization assembly which comprises: a filtration housing comprising a base unit and an outer housing, the base unit comprises a permeate channel, a port for removing permeate from the permeate channel, a feed channel disposed about the permeate channel, and a port for feeding a feed stream into the feed channel; and an integrated filtration and sterilization cartridge replaceably disposed within the filtration housing; wherein the outer housing is disposed about the cartridge so as to form a feed chamber between the inner surface of the outer housing and the outer surface of the filtration member and wherein the feed chamber is in contact with the feed channel of the base unit, and wherein permeate from the cartridge is passed through to the permeate channel for discharging from the assembly.
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Citations
27 Claims
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1. An integrated water filtration and sterilization cartridge which comprises:
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a first end plate and a second end plate;
.a filtration member disposed between said first and second end plates, said filtration member being securely affixed to both said first and second end plates; and an ultraviolet lamp affixed to said first end plate and disposed within the interior of said filtration member such that a permeate chamber is formed between said ultraviolet lamp and the inner surface of said filtration member, wherein said first and second end plates, said filtration member and said ultraviolet lamp form an integrated unit that is removable and replaceable as a single cartridge. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A filtration/sterilization assembly which comprises:
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a filtration housing comprising a base unit and an outer housing, said base unit comprises a permeate channel, a means for removing permeate from said permeate channel, a feed channel disposed about said permeate channel, and a means for feeding a feed stream into said feed channel; and a replaceable and integrated water filtration and sterilization cartridge which comprises;
a first end plate and a second end plate;
a filtration membrane disposed between said first and second end plates, said filtration member being securely affixed to both said and second end plates; and
an ultraviolet lamp affixed to said first end plate and disposed within the interior of said filtration member such that a permeate chamber is formed between said ultraviolet lamp and the inner surface of said filtration member, wherein said first and second end plates, said filtration member and said ultraviolet lamp form an integrated unit that is removable and replaceable as a single cartridge, and wherein said first end plate comprises at least one permeate through-hole disposed therein and in contact with both said permeate chamber and said permeate channel;said outer housing is disposed about said integrated water filtration and sterilization cartridge so as to form a feed chamber between the inner surface of said outer housing and the outer surface of said filtration member and wherein said feed chamber is in contact with said feed channel of said base unit. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. An in-line filtration/sterilization assembly which is capable of being replaceably mounted directly within a feed stream, said assembly comprises:
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a filtration housing comprising a base unit and an outer housing, said base unit comprises a means for removing permeate from said assembly, and said outer housing comprises means for feeding said feed stream into said assembly; a replaceable and integrated water filtration and sterilization cartridge which comprises;
a first end plate and a second end plate;
a filtration membrane disposed between said first and second end plates, said filtration member being securely affixed to both said and second end plates; and
an ultraviolet lamp affixed to said first end plate and disposed within the interior of said filtration member such that a permeate chamber is formed between said ultraviolet lamp and the inner surface of said filtration member, wherein said first and second end plates, said filtration member and said ultraviolet lamp form an integrated unit that is removable and replaceable as a single cartridge;said outer housing is disposed about said integrated filtration and sterilization cartridge so as to form a feed chamber between the inner surface of said outer housing and the outer surface of said filtration member and wherein said feed chamber is in contact with said means for feeding said feed stream into said assembly, and wherein said base unit is disposed at the opposite end of said cartridge as said outer housing so as to form a permeate compartment between the inner surface of said base unit and the outer surface of said first end plate, and wherein said permeate compartment is in contact with said means for removing permeate from said assembly and said first end plate comprises at least one permeate through-hole disposed therein and in contact with both said permeate chamber and said permeate compartment. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27)
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Specification