IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0565322
(2012-08-02)
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등록번호 |
US-8323490
(2012-12-04)
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발명자
/ 주소 |
- Wright, William Scott
- Florin, Bradley J.
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
4 인용 특허 :
11 |
초록
▼
A piston pressurized water filter activated by the user or external source. The water filter assembly includes a hollow cylindrical water reservoir, a hollow cylindrical piston threaded into the top of the water reservoir, and a water filter threaded into the bottom of the water reservoir. The inter
A piston pressurized water filter activated by the user or external source. The water filter assembly includes a hollow cylindrical water reservoir, a hollow cylindrical piston threaded into the top of the water reservoir, and a water filter threaded into the bottom of the water reservoir. The interior of the water reservoir is sealed by the piston and water filter. When the water reservoir is filled with unfiltered water, the piston can be threaded down into the water reservoir to create sufficient pressure on the unfiltered water and force the water into the water filter. The water filter can include any combination of carbon, ceramic or other filtering material in a block or disk form. Water is forced into the water filter, through the carbon or ceramic filter mass, and into a container that may or may not be coupled to the water filter.
대표청구항
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1. A water filter assembly, comprising: a substantially hollow cylindrical water reservoir having a substantially impermeable wall, an open top, and an open bottom;a cylindrical piston at least partially disposed within said water reservoir at said open top, a bottom portion of said piston having se
1. A water filter assembly, comprising: a substantially hollow cylindrical water reservoir having a substantially impermeable wall, an open top, and an open bottom;a cylindrical piston at least partially disposed within said water reservoir at said open top, a bottom portion of said piston having sealing contact with said wall of said water reservoir;a first plurality of threads disposed at least partially along the inner extent of said water reservoir;a second plurality of threads disposed at least partially along the outer extent of said piston and threadably engaging said first plurality of threads; anda water filter adjacent to and fluidly coupled to a bottom edge of said open bottom of said water reservoir,said pressure on said water increased or decreased by engaging said first plurality of threads and said second plurality of threads, said increased water pressure pushing said water downwardly through said water filter. 2. A water filter assembly as in claim 1, further comprising: said water filter including a circular filter frame disposed in underlying relation to said bottom edge of said water reservoir; anda fluid port disposed in the center of said filter frame, said water adapted to flow through said fluid port. 3. A water filter assembly as in claim 2, further comprising: said water filter further including a filter mass disposed in underlying relation to said filter frame, said filter mass coupled to said fluid port of said filter frame via a filter enclosure; andsaid filter enclosure having an additional fluid port disposed on its bottom portion,said water flowing through said fluid port into said filter mass and flowing through said filter mass to exit said water filter through said additional fluid port into a beverage container. 4. A water filter assembly as in claim 3, further comprising: said additional fluid port structurally adapted to stably couple said beverage container. 5. A water filter assembly as in claim 3, further comprising: said filter mass formed of a material selected from the group consisting of carbon, ceramic, hollow fiber membrane, micro-porous plastic, and any combination of carbon, ceramic, hollow fiber membrane, and micro-porous plastic. 6. A water filter assembly as in claim 2, further comprising: said water filter further including a filter disk disposed within said filter frame in overlying relation to said fluid port,said water flowing through said filter disk and exiting said water filter through said fluid port into a beverage container. 7. A water filter assembly as in claim 6, further comprising: said fluid port structurally adapted to stably couple said beverage container. 8. A water filter assembly as in claim 6, further comprising: said filter disk formed of a material selected from the group consisting of carbon, ceramic, and a combination of carbon and ceramic. 9. A water filter assembly as in claim 1, further comprising: said piston being substantially hollow and adapted to store supplementary items. 10. A water filter assembly as in claim 1, further comprising: a covering disposed in overlying relation to said piston and structurally adapted to facilitate manipulation of said piston. 11. A water filter assembly as in claim 1, further comprising: a piston jacket disposed in overlying and outer relation to said piston to enclose said piston and said water reservoir. 12. A water filter assembly as in claim 1, further comprising: said cylindrical water reservoir, said cylindrical piston, said first plurality of threads, and said second plurality of threads being formed of a high quality plastic. 13. A water filter assembly as in claim 1, further comprising: a direct drive motor mechanically coupled to said water filter assembly, said mechanical coupling enabling said engagement between said first plurality of threads and said second plurality of threads; anda power source electrically coupled to said direct drive motor. 14. A water filter assembly as in claim 1, further comprising: a cap structure disposed in outer and overlying relation to said piston, said cap structure including an interstitial space above said piston, a top edge of said piston forming a barrier between said interstitial space of said cap structure and an interior of said piston;a return spring disposed in said interstitial space of said cap structure;a cartridge containing compressed air;a hollow tubing coupling said cartridge to said interstitial space of said cap structure, said compressed air being released from said cartridge and entering said interstitial space to force said engagement between said first plurality of threads and said second plurality of threads; anda pressure release valve disposed in sealable flow communication with said interstitial space of said cap structure. 15. A water filter assembly as in claim 1, further comprising: a cap structure disposed in outer and overlying relation to said piston, said cap structure including an interstitial space above said piston, a top edge of said piston forming a barrier between said interstitial space of said cap structure and an interior of said piston;a return spring disposed in said interstitial space of said cap structure; anda pressure relief valve disposed in sealable flow communication with said interstitial space, said pressure relief valve adapted to receive a line pressure source, said line pressure source suitable for the flow of a fluid,said line pressure source engaging said pressure relief valve, said fluid flowing into said interstitial space of said cap structure, forcing said engagement between said first plurality of threads and said second plurality of threads. 16. A water filter assembly, comprising: a substantially hollow cylindrical water reservoir having a substantially impermeable wall, an open top, and an open bottom;a first cylindrical piston at least partially disposed within said water reservoir;a first plurality of threads disposed at least partially along the inner extent of said water reservoir;a second plurality of threads disposed at least partially along the outer extent of said first piston;said first plurality of threads adapted to engage said second plurality of threads;a second cylindrical piston wholly disposed within said water reservoir and in underlying relation to said first piston, said second piston having sealing contact with said wall of said water reservoir;a spring mechanism coupling said first piston and said second piston;a water filter coupled in underlying relation to a bottom edge of said open bottom of said water reservoir,said first plurality of threads engaging said second plurality of threads to compress said spring mechanism, said compression creating a resilient bias that forces said second piston to pressurize water disposed within said water reservoir and to force said water downward through said water filter. 17. A water filter assembly as in claim 16, further comprising: said water filter including a circular filter frame disposed in underlying relation to said bottom edge of said water reservoir; anda fluid port disposed in the center of said filter frame, said water adapted to flow through said fluid port. 18. A water filter assembly as in claim 17, further comprising: said water filter further including a filter mass disposed in underlying relation to said filter frame, said filter mass coupled to said fluid port of said filter frame via a filter enclosure; andsaid filter enclosure having an additional fluid port disposed on its bottom portion,said water adapted to flow through said fluid port into said filter mass and through said filter mass to exit said water filter through said additional fluid port into a beverage container. 19. A water filter assembly as in claim 18, further comprising: said additional fluid port structurally adapted to stably couple said beverage container. 20. A water filter assembly as in claim 18, further comprising: said filter mass formed of a material selected from the group consisting of carbon, ceramic, hollow fiber membrane, and any combination of carbon, ceramic, and hollow fiber membrane. 21. A water filter assembly as in claim 17, further comprising: said water filter further including a filter disk disposed within said filter frame in overlying relation to said fluid port,said water flowing through said filter disk and exiting said water filter through said fluid port into a beverage container. 22. A water filter assembly as in claim 21, further comprising: said fluid port structurally adapted to stably couple said beverage container. 23. A water filter assembly as in claim 21, further comprising: said filter disk formed of a material selected from the group consisting of carbon, ceramic, and a combination of carbon and ceramic. 24. A water filter assembly as in claim 16, further comprising: said piston being substantially hollow and adapted to store supplementary items. 25. A water filter assembly as in claim 16, further comprising: a covering disposed in overlying relation to said piston and structurally adapted to facilitate manipulation of said piston. 26. A water filter assembly as in claim 16, further comprising: a piston jacket disposed in overlying and outer relation to said piston to enclose said piston and said water reservoir. 27. A water filter assembly as in claim 16, further comprising: said cylindrical water reservoir, said cylindrical piston, said first plurality of threads, and said second plurality of threads being formed of a high quality plastic. 28. A water filter assembly as in claim 16, further comprising: a direct drive motor mechanically coupled to said water filter assembly, said mechanical coupling enabling said engagement between said first plurality of threads and said second plurality of threads; anda power source electrically coupled to said direct drive motor. 29. A water filter assembly as in claim 16, further comprising: a cap structure disposed in outer and overlying relation to said first piston, said cap structure including an interstitial space above said first piston, a top edge of said first piston forming a barrier between said interstitial space of said cap structure and an interior of said first piston;a return spring disposed in said interstitial space of said cap structure;a cartridge containing compressed air;a hollow tubing coupling said cartridge to said interstitial space of said cap structure, said compressed air being released from said cartridge and entering said interstitial space toforce said engagement between said first plurality of threads and said second plurality of threads; anda pressure release valve disposed in sealable flow communication with said interstitial space of said cap structure. 30. A water filter assembly as in claim 16, further comprising: a cap structure disposed in outer and overlying relation to said first piston, said cap structure including an interstitial space above said first piston, a top edge of said first piston forming a barrier between said interstitial space of said cap structure and an interior of said first piston;a return spring disposed in said interstitial space of said cap structure; anda pressure relief valve adapted to receive a line pressure source, said line pressure source suitable for the flow of a fluid, said line pressure source engaging said pressure relief valve, said fluid flowing into said interstitial space of said cap structure, forcing said engagement between said first plurality of threads and said second plurality of threads.
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