[특허]Axle vent

W. L. Gore & Associates, Inc.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Axle vent

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16H-057/027 F16K-024/04 F01M-001/10 B01D-046/00 B01D-053/14
출원번호	US-0406582 (2006-04-17)
등록번호	US-9845862 (2017-12-19)
발명자 / 주소	Basham, Daniel
출원인 / 주소	W. L. Gore & Associates, Inc.
대리인 / 주소	Miller, Amy L.
인용정보	피인용 횟수 : 0 인용 특허 : 17

초록

A vent for a machinery enclosure such as an automotive axle comprises a vent body having passageway between the interior of the enclosure and the exterior of the enclosure and an ePTFE membrane covering the passageway. The membrane and a fibrous sorbent are disposed within the passageway between the interior of the enclosure and the membrane.

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1. An improved vent for a machinery enclosure of the type containing a passageway for the passage of a gas between an interior of the enclosure and an ambient air and a porous, gas permeable membrane covering the passageway, the improvement comprising fibrous sorbent comprising natural fibers disposed within the passageway between the membrane and the interior of the enclosure for at least sorption by absorption of lubricant aerosols into the natural fibers of the fibrous sorbent and gas passage therebetween. 2. A vent for a machinery enclosure, the machinery enclosure having an interior containing a lubricant and machinery which applies a shearing force to said lubricant to generate lubricant aerosol, the vent comprising: a. a body having a passageway there through,b. gas permeable, water impermeable, oleophobic membrane covering the passageway, andc. fibrous sorbent comprising natural fibers disposed within the passageway between the machinery enclosure interior and the membrane at least for sorption by absorption of the lubricant aerosols into the natural fibers of the fibrous sorbent and gas passage therebetween. 3. The vent of claim 2 in which the membrane comprises ePTFE. 4. The vent of claim 2 in which the membrane is less than 6 inches (15.24 cm) from the interior of the enclosure. 5. The vent of claim 2 in which the natural fibers comprise cotton. 6. The vent of claim 2 in which the natural fibers comprise kapok. 7. The vent of claim 2 in which the natural fibers comprise milkweed. 8. The vent of claim 2 in which the fibrous sorbent comprises wool. 9. The vent of claim 2 in which the fibrous sorbent further comprises synthetic fibers. 10. The vent of claim 9 in which the synthetic fibers are selected from the group comprising polypropylene, polyethylene, rayon, nylon 6 and nylon 6,6. 11. The vent of claim 9 in which the synthetic fibers comprise polyethylene. 12. The vent of claim 2 in which the fibrous sorbent comprises fibers having internal void space for said absorption of the lubricant aerosols into the internal void space of the fibers. 13. The vent of claim 2 in which the fibrous sorbent comprises hollow fibers for said absorption of the lubricant aerosols into the hollow fibers. 14. The vent of claim 2 in which the fibrous sorbent comprises fibers having surface features. 15. The vent of claim 2 in which the fibrous sorbent is hydrophobic. 16. The vent of claim 2 in which the fibrous sorbent is oleophilic. 17. The vent of claim 2 further comprising a support material laminated to the membrane. 18. A vented machinery enclosure, comprising: a. a fluid tight housing defining an interior space and an exterior space, the interior space containing lubricant, said lubricant subject to shearing force to generate lubricant aerosols,b. a vent comprising a body having a passageway therethrough,c. gas permeable, water impermeable, oleophobic membrane covering the passageway, andd. fibrous sorbent comprising natural fibers disposed within the passageway, adjacent to a first side of said membrane between the membrane and the interior space at least for sorption by absorption of the lubricant aerosols and gas passage therebetween, the natural fibers of said fibrous sorbent having voids for said absorption of the lubricant aerosols into the voids of the natural fibers. 19. The vented machinery enclosure of claim 18 in which the membrane comprises ePTFE. 20. The vented machinery enclosure of claim 18 in which the membrane is less than 6 inches (15.24 cm) from the interior space of the enclosure. 21. The vented machinery enclosure of claim 18 in which the natural fibers comprise cotton. 22. The vented machinery enclosure of claim 18 in which the natural fibers comprise kapok. 23. The vented machinery enclosure of claim 18 in which the natural fibers comprise milkweed. 24. The vented machinery enclosure of claim 18 in which the fibrous sorbent comprises wool. 25. The vented machinery enclosure of claim 18 in which the fibrous sorbent further comprises synthetic fibers. 26. The vented machinery enclosure of claim 25 in which the synthetic fibers are selected from the group comprising polypropylene, polyethylene, rayon, nylon 6 and nylon 6,6. 27. The vented machinery enclosure of claim 25 in which the synthetic fibers comprise polyethylene. 28. The vented machinery enclosure of claim 18 in which the fibrous sorbent comprises fibers having internal void space for said absorption of the lubricant aerosols into the internal void space of the fibers. 29. The vented machinery enclosure of claim 18 in which the fibrous sorbent comprises hollow fibers for said absorption of the lubricant aerosols into the hollow fibers. 30. The vented machinery enclosure of claim 18 in which the fibrous sorbent comprises fibers having surface features. 31. The vented machinery enclosure of claim 18 in which the fibrous sorbent is hydrophobic. 32. The vented machinery enclosure of claim 18 in which the fibrous sorbent is oleophilic. 33. The vented machinery of claim 18 further comprising a support material laminated to the membrane. 34. A vented machinery enclosure comprising: a. gear assembly disposed within an interior of the enclosure,b. lubricant disposed within the interior of the enclosure, said lubricant subject to shearing by said gear assembly to generate lubricant aerosols,c. passageway providing fluid communication between the interior of the enclosure and an exterior,d. gas permeable, water impermeable, oleophobic membrane covering the passageway, ande. fibrous sorbent comprising natural fibers disposed within the passageway between said interior and said membrane at least for sorption by absorption of the lubricant aerosols into the natural fibers of the fibrous sorbent and gas passage therebetween. 35. The vented machinery enclosure of claim 34 in which the membrane comprises ePTFE. 36. The vented machinery enclosure of claim 34 in which the membrane is less than 6 inches (15.24 cm) from the interior of the enclosure. 37. The vented machinery enclosure of claim 34 in which the natural fibers comprise cotton. 38. The vented machinery enclosure of claim 34 in which the natural fibers comprise kapok. 39. The vented machinery enclosure of claim 34 in which the natural fibers comprise milkweed. 40. The vented machine enclosure of claim 34 in which the fibrous sorbent comprises wool. 41. The vented machinery enclosure of claim 34 in which the fibrous sorbent further comprises synthetic fibers. 42. The vented machinery enclosure of claim 41 in which the synthetic fibers are selected from the group comprising polypropylene, polyethylene, rayon, nylon 6, nylon 6,6. 43. The vented machinery enclosure of claim 41 in which the synthetic fibers comprise polyethylene. 44. The vented machinery enclosure of claim 34 in which the fibrous sorbent comprises fibers having internal void space for said absorption of the lubricant aerosols into the internal void space of the fibers. 45. The vented machinery enclosure of claim 34 in which the fibrous sorbent comprises hollow fibers for said absorption of the lubricant aerosols into the hollow fibers. 46. The vented machinery enclosure of claim 34 in which the fibrous sorbent comprises fibers having surface features. 47. The vented machinery enclosure of claim 34 in which the fibrous sorbent is hydrophobic. 48. The vented machinery enclosure of claim 34 in which the fibrous sorbent is oleophilic. 49. The vented machinery enclosure of claim 34 further comprising a support material laminated to the membrane. 50. In an improved method of venting a machinery space containing a lubricant that is subject to a shearing force of machinery within the machinery space to generate lubricant aerosols, said method comprising: a. providing a passageway for venting a gas from an interior of the machinery space andb. providing a porous, gas permeable membrane covering the passageway, the improvement comprising providing a fibrous sorbent comprising natural fibers in the passageway between the membrane and the interior of the machinery space for at least sorption by absorption of the lubricant aerosols into the natural fibers of the fibrous sorbent and gas passage therebetween.

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Axle vent

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Axle vent

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