Filter canister, system containing filter canister, and their use
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-037/00
B01D-039/08
출원번호
US-0287859
(2002-11-04)
등록번호
US-7338607
(2008-03-04)
발명자
/ 주소
Dreyer,Harold B.
Nottingham,Dennis
출원인 / 주소
Gunderboom, Inc.
대리인 / 주소
Nixon Peabody LLP
인용정보
피인용 횟수 :
2인용 특허 :
39
초록▼
A filter canister including a frame; a sheet of flexible fabric material that allows the flow of water therethrough, the sheet of flexible fabric material being connected to the frame in a manner defining an internal zone whereby substantially all fluid entering the internal zone from an opposite si
A filter canister including a frame; a sheet of flexible fabric material that allows the flow of water therethrough, the sheet of flexible fabric material being connected to the frame in a manner defining an internal zone whereby substantially all fluid entering the internal zone from an opposite side of the sheet of flexible fabric material passes therethrough; and a conduit having a first end located externally of the frame and a second end located within the internal zone defined by the sheet of flexible fabric material; wherein, upon connection of the first end of the conduit to a fluid intake system, fluid is drawn through the sheet of flexible fabric material into the internal zone, thereby filtering the fluid, and filtered fluid is drawn through the second end of the conduit for delivery into the fluid intake system. A system and method for filtering fluid intake water are disclosed.
대표청구항▼
What is claimed is: 1. A filter canister for use in a fluid intake system, the filter canister comprising: a frame; a sheet of flexible fabric material that allows a flow of fluid therethrough, the sheet of flexible fabric material being connected to the frame in a manner defining an internal zone
What is claimed is: 1. A filter canister for use in a fluid intake system, the filter canister comprising: a frame; a sheet of flexible fabric material that allows a flow of fluid therethrough, the sheet of flexible fabric material being connected to the frame in a manner defining an internal zone whereby substantially all fluid entering the internal zone from an opposite side of the sheet of flexible fabric material passes therethrough, wherein the sheet of flexible fabric is disposed at least partially internally of the frame; and a conduit having a first end located externally of the frame and a second end located within the internal zone defined by the sheet of flexible fabric material; wherein, upon connection of the first end of the conduit to a fluid intake system, fluid is drawn through the sheet of flexible fabric material into the internal zone, thereby filtering the fluid, and filtered fluid is drawn through the second end of the conduit for delivery into the fluid intake system. 2. The filter canister according to claim 1, wherein the fluid is water. 3. The filter canister according to claim 1 wherein the sheet of flexible fabric material is a multi-layered sheet of flexible fabric material. 4. The filter canister according to claim 3 wherein the multi-layered sheet of flexible material comprises two layers of flexible fabric material. 5. The filter canister according to claim 4 further comprising: a gas injection system comprising a source of compressed gas in fluid communication with at least one outlet positioned between the two layers of flexible fabric material. 6. The filter canister according to claim 5 wherein the multi-layered sheet of flexible fabric material is segmented into at least two panels. 7. The filter canister according to claim 6 wherein the gas injection comprises at least two outlets each in fluid communication with the compressed gas source, with one or more of the at least two outlets being positioned between the two layers of flexible fabric material for each of the at least two panels. 8. The filter canister according to claim 1 wherein the conduit is connected to the frame. 9. The filter canister according to claim 8 wherein a portion of the conduit within the internal zone is perforated. 10. The filter canister according to claim 1 wherein the sheet of flexible fabric material is removably connected to the frame. 11. The filter canister according to claim 10 further comprising: a plurality of connectors which removably connect the sheet of flexible fabric material to the frame. 12. The filter canister according to claim 1 wherein the sheet of flexible fabric material is in the form of a sleeve having a first end which is sealed to a portion of the frame and a second end that is open, wherein upon placement of the filter canister into a body of water the second end extends above the surface of the body of water. 13. The filter canister according to claim 12 wherein the sleeve is suspended internally of the frame. 14. The filter canister according to claim 1 wherein the frame is segmented into two or more sections, at least two of the two or more sections having a sheet of flexible fabric material connected thereto, with the two or more sections defining the internal zone. 15. The filter canister according to claim 14 wherein each of the at least two sections is bordered by a frame member and a clamp member attached to the frame member. 16. The filter canister according to claim 15 wherein along each edge of the at least two sections, the frame member and clamp member define a recess having an opening through which an edge of the sheet of flexible fabric material passes. 17. The filter canister according to claim 16 further comprising: retaining means for retaining the edge of the sheet of flexible material between the frame member and clamp member. 18. The filter canister according to claim 17 wherein the sheet of flexible material is multi-layered and the retaining means is rod positioned within the multiple layers of the sheet of flexible material, with the rod having a thickness that is greater than the dimension of the opening to the recess. 19. The filter canister according to claim 14 wherein the frame has a box-shaped configuration segmented into six sections. 20. The filter canister according to claim 15 wherein one of the two or more sections is substantially fluid impervious and the conduit passes therethrough. 21. A system for filtering fluid intake comprising: a fluid intake system comprising at least one inlet in fluid communication with a fluid intake pump; and at least one filter canister according to claim 1 with the first end of the conduit in fluid communication with the at least one inlet. 22. The system according to claim 21, wherein the fluid intake system comprises two or more inlets and two or more filter canisters, with each inlet being in fluid communication with the first end of the conduit on exactly one filter canister. 23. The system according to claim 21, wherein the filter canister is removable from the water intake system. 24. A method of filtering water entering a water intake system comprising: installing a filter canister according to claim 1 into a water intake system with the first end of the conduit in fluid communication with an inlet to the water intake system; and drawing water through the water intake system, whereby water entering the water intake system is drawn through the sheet of flexible fabric material into the internal zone, thereby filtering the water, prior to passing through the second end of the conduit for delivery into the water intake system. 25. The filter canister according to claim 1, wherein the filter canister is portable. 26. A filter canister for use in a fluid intake system, the filter canister comprising: a frame; a multi-layered sheet of flexible fabric material that allows a flow of fluid therethrough, the sheet of flexible fabric material being connected to the frame in a manner defining an internal zone whereby substantially all fluid entering the internal zone from an opposite side of the sheet of flexible fabric material passes therethrough; a conduit extending, with a substantially fluid tight seal, through the frame, with a first end located externally of the frame and a second end located within the internal zone; and a gas injection system comprising a source of compressed gas in fluid communication with at least one outlet positioned between two layers of the sheet of flexible fabric material; wherein, upon connection of the first end of the conduit to a fluid intake system, fluid is drawn through the sheet of flexible fabric material into the internal zone, thereby filtering the fluid, and filtered fluid is drawn through the second end of the conduit for delivery into the fluid intake system. 27. A system for filtering fluid intake comprising: a fluid intake system comprising at least one inlet in fluid communication with a fluid intake pump; and at least one filter canister according to claim 26 with the first end of the conduit in fluid communication with the at least one inlet. 28. The system according to claim 27, wherein the fluid delivery system comprises two or more inlets and two or more filter canisters, with each inlet being in fluid communication with the first end of the conduit on exactly one filter canister. 29. A method of filtering water entering a water intake system comprising: installing a filter canister according to claim 26 into a water intake system with the filter canister substantially submerged and the first end of the conduit in fluid communication with an inlet to the water intake system; and drawing water through the water intake system, whereby water entering the water intake system is drawn through the sheet of flexible fabric material into the internal zone, thereby filtering the water, prior to passing through the second end of the conduit for delivery into the water intake system. 30. A filter canister for use in a fluid intake system, the filter canister comprising: a frame comprising horizontal and vertical support members and an upper end; a sleeve formed of multi-layers of flexible fabric material that allow a flow of fluid therethrough, the sleeve having a closed end and an open end and being connected internally of the frame with the open end adjacent the upper end of the frame, the sleeve defining an internal zone whereby substantially all fluid entering the internal zone from an opposite side of the sleeve passes through the multi-layers flexible fabric material; a conduit passing through the open end of the sleeve with a first end located externally of the frame and a second end located within the internal zone; and a gas injection system comprising a source of compressed gas in fluid communication with at least one outlet positioned between two layers of the flexible fabric material that form the sleeve; wherein, upon connection of the first end of the conduit to a fluid intake system, fluid is drawn through the multi-layers of flexible fabric material into the internal zone, thereby filtering the fluid, and filtered fluid is drawn through the second end of the conduit for delivery into the fluid intake system. 31. A system for filtering fluid intake comprising: a fluid intake system comprising at least one inlet in fluid communication with a fluid intake pump; and at least one filter canister according to claim 30 with the first end of the conduit in fluid communication with the at least one inlet. 32. The system according to claim 31, wherein the fluid delivery system comprises two or more inlets and two or more filter canisters, with each inlet being in fluid communication with the first end of the conduit on exactly one filter canister. 33. A method of filtering water entering a water intake system comprising: installing a filter canister according to claim 30 into a water intake system with the upper end of the frame and the open end of the sleeve above the water level and the second end of the conduit below the water level, and the first end of the conduit in fluid communication with an inlet to the water intake system; and drawing water through the water intake system, whereby water entering the water intake system is drawn through the sheet of flexible fabric material into the internal zone, thereby filtering the water, prior to passing through the second end of the conduit for delivery into the water intake system. 34. A filter canister for use in a fluid intake system, the filter canister comprising: a frame; a filter formed of exactly two layers of a geosynthetic fabric, the filter being connected to the frame in a manner defining an internal zone whereby substantially all fluid entering the internal zone from an opposite side of the filter passes through the geosynthetic fabric; a gas injection system comprising a source of compressed gas in fluid communication with at least one outlet positioned between the two layers of geosynthetic fabric; and a conduit in fluid communication with the internal zone defined by the filter, and having an end located externally of the frame; wherein, upon connection of the end of the conduit to a fluid intake system, fluid is drawn through the filter into the internal zone, thereby filtering the fluid, and filtered fluid is drawn through the conduit for delivery into the fluid intake system. 35. A system for filtering fluid intake comprising: a fluid intake system comprising at least one inlet in fluid communication with a fluid intake pump; and at least one filter canister comprising: a frame a filter formed of two or more layers of geosynthetic fabric, the filter being connected to the frame in a manner defining an internal zone whereby substantially all fluid entering the internal zone from an opposite side of the filter passes through the geosynthetic fabric; a conduit in fluid communication with the internal zone defined by the filter, and having an end located externally of the frame with the end of the conduit in fluid communication with the at least one inlet; wherein, upon connection of the end of the conduit to the fluid intake system, fluid is drawn through the filter into the internal zone, thereby filtering the fluid, and filtered fluid is drawn through the conduit for delivery into the fluid intake system. 36. The system according to claim 35, wherein the fluid intake system comprises two or more inlets and two or more filter canisters, with each inlet being in fluid communication with the end of the conduit on exactly one filter canister.
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