In an embodiment there is provided a fluid separation assembly. The assembly has a hollow fiber bundle with a plurality of hollow fiber membranes. The assembly further has a first tubesheet and a second tubesheet encapsulating respective ends of the hollow fiber bundle, wherein one of the tubesheets
In an embodiment there is provided a fluid separation assembly. The assembly has a hollow fiber bundle with a plurality of hollow fiber membranes. The assembly further has a first tubesheet and a second tubesheet encapsulating respective ends of the hollow fiber bundle, wherein one of the tubesheets has a plurality of radial through openings formed in the tubesheet. The assembly further has a housing surrounding the hollow fiber bundle and the first and second tubesheets, the housing having a feed inlet port, a permeate outlet port, and a non-permeate outlet port. The feed gas, permeate gas, or non-permeate gas are introduced into or removed from the hollow fiber membranes via the plurality of radial through openings formed in the tubesheet, such that the radial through openings of the tubesheet intersect each or substantially each of the hollow fiber membranes.
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1. A fluid separation assembly comprising: a hollow fiber bundle comprising a plurality of hollow fiber membranes;a first tubesheet and a second tubesheet encapsulating respective ends of the hollow fiber bundle, wherein one or both of the first and second tubesheets has a plurality of radial throug
1. A fluid separation assembly comprising: a hollow fiber bundle comprising a plurality of hollow fiber membranes;a first tubesheet and a second tubesheet encapsulating respective ends of the hollow fiber bundle, wherein one or both of the first and second tubesheets has a plurality of radial through openings formed in one or both of the first and second tubesheets; and,a housing surrounding the hollow fiber bundle and the first and second tubesheets, the housing having a feed inlet port, a permeate outlet port, and a non-permeate outlet port;wherein feed gas, permeate gas, or non-permeate gas are introduced into or removed from the hollow fiber membranes via the plurality of radial through openings formed in one or both of the first and second tubesheets, and further wherein the radial through openings of one or both of the first and second tubesheets are formed along a circumference of and radially through a body portion of one or both of the first and second tubesheets, and intersect each or substantially each of the hollow fiber membranes. 2. The assembly of claim 1, further comprising at least one first seal adjacent the first tubesheet and at least one second seal adjacent the second tubesheet, wherein the first and second seals are fluid tight. 3. The assembly of claim 1, wherein the housing further comprises a first end cap and a second end cap, wherein the first and second end caps are closed. 4. The assembly of claim 1, wherein the feed inlet port is in flow communication with at least a portion of the radial through openings on the first tubesheet, so that the feed gas can flow into the intersected hollow fiber membranes. 5. The assembly of claim 1, wherein the non-permeate outlet port is in flow communication with the second tubesheet, so that the non-permeate gas can flow out of the hollow fiber membranes and out of the housing. 6. The assembly of claim 1, wherein the permeate outlet port is in flow communication with an interior of the housing, so that the permeate gas can permeate out of the intersected hollow fiber membranes and out of the housing. 7. The assembly of claim 1, wherein the feed gas comprises air, the non-permeate gas comprises nitrogen enriched air, and the permeate gas comprises one or more of oxygen, carbon dioxide, and water. 8. The assembly of claim 1, wherein the radial through openings are formed in a repeating four opening pattern comprising four openings in a substantially square configuration. 9. The assembly of claim 1, wherein the radial through openings minimize pressure loads and bending moments on the tubesheet. 10. The assembly of claim 1, wherein the assembly is part of an inert gas generating system in a transport vehicle, wherein the transport vehicle is selected from the group comprising an aircraft, an aerospace vehicle, a space launch vehicle, a rocket, a satellite, a rotorcraft, a watercraft, a boat, a ship, a train, an automobile, a truck, and a bus. 11. A fluid separation assembly comprising: a hollow fiber bundle comprising a plurality of hollow fiber membranes;a first tubesheet and a second tubesheet encapsulating respective ends of the hollow fiber bundle, wherein at least one tubesheet has a plurality of radial through openings formed in the at least one tubesheet, the radial through openings being in a repeating four opening pattern comprising four openings in a substantially square configuration; and,a housing surrounding the hollow fiber bundle and the first and second tubesheets, the housing having a feed inlet port, a permeate outlet port, and a non-permeate outlet port;wherein feed gas, permeate gas, or non-permeate gas are introduced into or removed from the hollow fiber membranes via the plurality of radial through openings formed in the at least one tubesheet, and further wherein the radial through openings of the at least one tubesheet are formed along a circumference of and radially through a body portion of the at least one tubesheet, and intersect each or substantially each of the hollow fiber membranes. 12. The assembly of claim 11, wherein both the first tubesheet and the second tubesheet have radial through openings. 13. The assembly of claim 11, wherein the feed inlet port is in flow communication with at least a portion of the radial through openings on the first tubesheet, so that the feed gas comprising air can flow into the intersected hollow fiber membranes. 14. The assembly of claim 11, wherein the non-permeate outlet port is in flow communication with at least a portion of the radial through openings on the second tubesheet, so that the non-permeate gas comprising nitrogen enriched air can flow out of the intersected hollow fiber membranes and out of the housing. 15. The assembly of claim 11, wherein the permeate outlet port is in flow communication with an interior of the housing, so that the permeate gas comprising one or more of oxygen, carbon dioxide, and water can permeate out of the intersected hollow fiber membranes and out of the housing. 16. The assembly of claim 11, wherein the housing further comprises a first end cap and a second end cap, wherein the first and second end caps are closed. 17. The assembly of claim 11, further comprising at least one first seal adjacent the first tubesheet and at least one second seal adjacent the second tubesheet, wherein the first and second seals are fluid tight. 18. The assembly of claim 11, wherein the assembly is part of an inert gas generating system in a transport vehicle wherein the transport vehicle is selected from the group comprising an aircraft, an aerospace vehicle, a space launch vehicle, a rocket, a satellite, a rotorcraft, a watercraft, a boat, a ship, a train, an automobile, a truck, and a bus. 19. An aircraft comprising: an airframe;at least one fuel tank mounted on the airframe;at least one fuel tank vent operatively connected to the fuel tank; and,an inert gas generating system for generating inert gas on-board the aircraft, the inert gas generating system comprising: a gas separation assembly comprising: a hollow fiber bundle comprising a plurality of hollow fiber membranes;a first tubesheet and a second tubesheet encapsulating respective ends of the hollow fiber bundle, wherein one or both of the first and second tubesheets has a plurality of radial through openings formed in one or both of the first and second tubesheets; and,a housing surrounding the hollow fiber bundle and the first and second tubesheets, the housing having a feed inlet port, a permeate outlet port, and a non-permeate outlet port;wherein feed gas, permeate gas, or non-permeate gas are introduced into or removed from the hollow fiber membranes via the plurality of radial through openings formed in one or both of the first and second tubesheets, and further wherein the radial through openings of one or both of the first and second tubesheets are formed along a circumference of and radially through a body portion of one or both of the first and second tubesheets, and intersect each or substantially each of the hollow fiber membranes. 20. The aircraft of claim 19, wherein the radial through openings are formed in a repeating four opening pattern comprising four openings in a substantially square configuration. 21. A method for supplying nitrogen enriched air from a fluid separation assembly to at least one fuel tank of a transport vehicle, the method comprising: providing a fluid separation assembly comprising: a hollow fiber bundle comprising a plurality of hollow fiber membranes;a first tubesheet and a second tubesheet encapsulating respective ends of the hollow fiber bundle, wherein the first tubesheet has a plurality of radial through openings formed along a circumference of and radially through a body portion of the first tubesheet, and that intersect each or substantially each of the hollow fiber membranes; and,a housing surrounding the hollow fiber bundle and the first and second tubesheets, the housing having a feed inlet port, a permeate outlet port, and a non-permeate outlet port;introducing air through the feed inlet port and through the radial through openings to induce air flow through the hollow fiber membranes;removing non-nitrogen permeate gases from the hollow fiber membranes along the fiber bundle and out through the permeate outlet port;removing nitrogen enriched air out through the non-permeate outlet port; and,supplying the nitrogen enriched air to at least one fuel tank of a transport vehicle. 22. The method of claim 21, wherein the radial through openings are formed in a repeating four opening pattern comprising four openings in a substantially square configuration. 23. A method for minimizing pressure loads and bending moments in a fluid separation assembly, the method comprising: providing a fluid separation assembly comprising: a hollow fiber bundle comprising a plurality of hollow fiber membranes;a first tubesheet and a second tubesheet encapsulating respective ends of the hollow fiber bundle; and,a housing surrounding the hollow fiber bundle and the first and second tubesheets, the housing having a feed inlet port, a permeate outlet port, and a non-permeate outlet port;forming a plurality of radial through openings in one or both of the first and second tubesheets, wherein the radial through openings are formed along a circumference of and radially through a body portion of one or both of the first and second tubesheets, and intersect each or substantially each of the hollow fiber membranes; and,introducing or removing feed gas, permeate gas, or non-permeate gas into and out of the hollow fiber membranes via the radial through openings, thereby minimizing pressure loads and bending moments on one or both of the first and second tubesheets. 24. The method of claim 23, wherein the radial through openings are formed in a repeating four opening pattern comprising four openings in a substantially square configuration.
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이 특허에 인용된 특허 (12)
Clark George B. (Clayton CA), Assembly of permeable hollow fibers and a tubesheet supportable at its face and opened by bores parallel thereto.
Young Thomas C. (Walnut Creek CA) Caskey Terrence L. (Concord CA) Trimmer Johnny L. (Antioch CA) Mahley ; III George E. (Berkeley CA) Yoshisato Randall A. (Vallejo CA) Jensvold John A. (Benicia CA), Boreside feed hollow fiber membrane device.
Anand Joginder N. (Clayton CA) Revak Timothy T. (Concord CA) Tsang Floris Y. (Walnut Creek CA), Helium-tight tubesheet for hollow fiber type battery cells and method of fabricating the same.
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