An expandable desiccant element for removal of moisture from an air stream. Such expandable desiccant element includes at least one first expandable containment section capable of expanding a first predetermined amount, at least one second expandable containment section capable of expanding a second
An expandable desiccant element for removal of moisture from an air stream. Such expandable desiccant element includes at least one first expandable containment section capable of expanding a first predetermined amount, at least one second expandable containment section capable of expanding a second predetermined amount which is greater than the first predetermined amount connected to the first expandable containment section. Such at least one first expandable containment section and at least one second expandable containment section forming a predetermined shape.
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We claim: 1. An expandable desiccant element for removal of moisture from an air stream, said expandable desiccant element comprising: (a) at least one first expandable containment section capable of expanding a first predetermined amount; (b) at least one second expandable containment section capa
We claim: 1. An expandable desiccant element for removal of moisture from an air stream, said expandable desiccant element comprising: (a) at least one first expandable containment section capable of expanding a first predetermined amount; (b) at least one second expandable containment section capable of expanding a second predetermined amount which is greater than said first predetermined, amount connected to said first expandable containment section and forming a predetermined shape; (c) a means for removing moisture from such air stream disposed within said containment sections. 2. An expandable desiccant element for removal of moisture from an air stream, according to claim 1, wherein said at least one second expandable containment section is made from a material with at least about a 30 percent expansion capability. 3. An expandable desiccant element for removal of moisture from an air stream, according to claim 2, wherein said at least one second expandable containment section is made from at least one of an elastomeric material and an equivalent. 4. An expandable desiccant element for removal of moisture from an air stream, according to claim 1, wherein said at least one first expandable containment section is made from at least one of a breathable felt material and an equivalent. 5. An expandable desiccant element for removal of moisture from an air stream, according to claim 1, wherein said means for removing moisture is a drying agent. 6. An expandable desiccant element for removal of moisture from an air stream, according to claim 5, wherein said drying agent is at least one of a molecular sieve and activated alumina. 7. An expandable desiccant element for removal of moisture from an air stream, according to claim 1, wherein said predetermined shape formed by said at least one first expandable containment section and said at least one second expandable containment section is substantially cylindrical. 8. An expandable desiccant element for removal of moisture from an air stream, according to claim 7, wherein said substantially cylindrical shape has a length of between about 11 inches and about 11.3 inches in an unexpanded state. 9. An expandable desiccant element for removal of moisture from an air stream, according to claim 7, wherein said substantially cylindrical shape has a diameter of between about 4.1 and about 4.25 inches in an unexpanded state. 10. An expandable desiccant element for removal of moisture from an air stream, according to claim 9, wherein a centrally located portion of said substantially cylindrical shape has a diameter of at least about 4.31 inches in an expanded state. 11. An expandable desiccant element for removal of moisture from an air stream, according to claim 1, wherein said at least one first expandable section and said at least one second expandable section are sewn together. 12. In combination with a regenerative desiccant air dryer having a dehydrating dryer, a regenerating dryer, outlet check valves, inlet check valves, solenoid valves, a pre-coalescer, purge valves, and a drain valve, the improvement comprising an expandable desiccant element including: (a) at least one first expandable containment section capable of expanding a first predetermined amount; (b) at least one second expandable containment section capable of expanding a second predetermined amount which is greater than said first predetermined amount connected to said first expandable containment section and forming a predetermined shape; (c) a means for removing moisture from such air stream disposed within said containment sections. 13. The combination according to claim 12, wherein said at least one second expandable containment section is made from a material with at least about a 30 percent expansion capability. 14. The combination according to claim 12, wherein said at least one second expandable containment section is made from at least one of an elastomeric material and an equivalent. 15. The combination according to claim 12, wherein said at least one first expandable containment section is made from at least one of a breathable felt material and an equivalent. 16. The combination according to claim 12, wherein said means for removing moisture is a drying agent. 17. The combination according to claim 16, wherein said drying agent is at least one of a molecular sieve and activated alumina. 18. The combination according to claim 17, wherein said predetermined shape formed by said at least one first expandable section and said at least one second expandable outer section is substantially cylindrical. 19. An expandable desiccant element for removal of moisture from an air stream, according to claim 18, wherein said substantially cylindrical shape has a length of between about 11 inches and about 11.3 inches in an unexpanded state. 20. An expandable desiccant element for removal of moisture from an air stream, according to claim 18, wherein said substantially cylindrical shape has a diameter of between about 4.1 and about 4.25 inches in an unexpanded state. 21. An expandable desiccant element for removal of moisture from an air stream, according to claim 18, wherein a centrally located portion of said substantially cylindrical shape has a diameter of at least about 4.31 inches in an expanded state.
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이 특허에 인용된 특허 (34)
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