[특허]Silencer

Veritas AG; Borgwarner Inc.

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특허 상세정보

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Silencer

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01N-001/02 F01N-001/04 F01N-001/24
미국특허분류(USC)	181/249; 181/250; 181/252
출원번호	US-0150175 (2005-06-13)
등록번호	US-7448469 (2008-11-11)
우선권정보	DE-10 2004 028 744(2004-06-14)
발명자 / 주소	Seyler,Andreas L��we,Hans Joachim Von Der Hagen,Joachim St��nner,Helmut
출원인 / 주소	Veritas AG Borgwarner Inc.
대리인 / 주소	Buchanan Ingersoll & Rooney PC
인용정보	피인용 횟수 : 10 인용 특허 : 9

초록
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The invention relates to a silencer comprising an inner component and an outer component surrounding said inner component, said inner component defining an inner wall provided with openings and said outer component defining an outer wall extending along said inner wall. For improving the silencing characteristics as well as the flexibility of the silencer, the outer wall is implemented as a bellows which defines together with the inner wall individual cavities, the openings of the inner wall opening into said cavities. Furthermore, the outer wall is pro...

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The invention claimed is: 1. A silencer comprising an inner component and an outer component surrounding said inner component, said inner component defining an inner wall provided with openings and said outer component defining an outer wall extending along said inner wall, the outer wall comprising an elastomeric bellows which defines together with the inner wall individual cavities which are sealed from one another, the openings of the inner wall are associated with the individual cavities and opening into said cavities, and wherein at least one of the outer wall and the inner wall are formed from a material having a density of at least about 1.5 g/cm3. 2. A silencer according to claim 1, wherein the density does not exceed about 2.5 g/cm3. 3. A silencer according to claim 1, wherein at least one of the outer wall and the inner wall are produced from a plastic material comprising salts or oxides of at least one metal having an atomic number of at least 20. 4. A silencer according to claim 1, wherein at least one of the outer wall and the inner wall are produced from acrylate rubber (ACM). 5. A silencer comprising an inner component and an outer component surrounding said inner component, said inner component defining an inner wall provided with openings and said outer component defining an outer wall extending along said inner wall, wherein the outer wall comprises a bellows which defines together with the inner wall individual cavities, the openings of the inner wall opening into said cavities, and wherein a sound-absorbing outer skin is provided on said outer wall. 6. A silencer according to claim 5, wherein the outer skin is fixedly connected to the outer wall. 7. A silencer according to claim 5, wherein the outer skin has a patterned surface. 8. A silencer according to claim 5, wherein the outer skin has a density which is higher than about 1.5 g/cm3. 9. A silencer according to claim 8, wherein the density is not higher than about 2.5 g/cm3. 10. A silencer according to claim 5, wherein the outer skin has a foam-like nature. 11. A silencer according to claim 5, wherein the outer skin is stretched over the outer wall and fixed to said outer wall at the ends thereof. 12. A silencer according to claim 11, wherein the outer skin is produced from a smooth or corrugated plastic material. 13. A silencer according to claim 11, wherein a seal is formed between the outer skin and the outer wall. 14. A silencer comprising an inner component and an outer component surrounding said inner component, said inner component defining an inner wall provided with openings and said outer component defining an outer wall extending along said inner wall, wherein the outer wall comprises a bellows which defines together with the inner wall individual cavities, the openings of the inner wall opening into said cavities, and wherein means for stiffening the outer wall are provided. 15. A silencer according to claim 14, wherein the stiffening means comprises a braid of metal or plastic, which is applied to the outer wall. 16. A silencer according to claim 14, wherein the stiffening means comprises external ring elements which are arranged on wave bodies of the bellows, said wave bodies being profiled so as to fix said external ring elements. 17. A silencer according to claim 14, wherein the stiffening means comprises interior ring elements which are arranged in the interior of the bellows on the wave bodies. 18. A silencer comprising an inner component and an outer component surrounding said inner component, said inner component defining an inner wall provided with openings and said outer component defining an outer wall extending along said inner wall, wherein the outer wall comprises a bellows which defines together with the inner wall individual cavities, the openings of the inner wall opening into said cavities, and wherein at least one of the inner wall and the outer wall have a patterned surface. 19. A silencer according to claim 18, wherein the inner wall and/or the outer wall are produced from a material having a density of at least about 1.5 g/cm3. 20. A silencer according to claim 19, wherein the density is not higher than about 2.5 g/cm3. 21. A silencer according to claim 18, wherein the patterned surface is sound absorbing. 22. A silencer according to claim 1, wherein the bellows extends over the whole inner wall area provided with said openings. 23. A silencer according to claim 1, wherein the inner component comprises a tube or a pipe, which each have radial openings provided therein. 24. A silencer according to claim 1, wherein the inner component comprises tube or pipe segments which each have radial openings provided therein. 25. A silencer according to claim 1, wherein the inner component is thermally formed on the outer component. 26. A silencer according to claim 1, wherein the inner component is mechanically connected to the outer component. 27. A silencer according to claim 1, wherein the inner component is integrated in a quick coupling. 28. A silencer according to claim 1, wherein the outer component is flexible over the whole length of the inner component. 29. A silencer according to claim 1, wherein the outer wall is arranged concentrically with the inner wall. 30. A silencer according to claim 1, characterized wherein the outer wall is conical in shape. 31. A silencer according to claim 1, wherein the materials of the inner component and/or of the outer component comprise NBR, CR, ECO, AEM, ACM, silicone and FPM. 32. A silencer according to claim 1, wherein the inner component is produced from plastic material. 33. A silencer according to claim 1, wherein the outer component and/or the inner component comprise a pressure carrier. 34. A silencer according to claim 1, wherein the bellows extends in the longitudinal direction of the silencer beyond the inner component. 35. A silencer according to claim 1, wherein the density is at least about 2.0 g/cm3. 36. A silencer according to claim 2, wherein the density is at least about 2.2 g/cm3. 37. A silencer according to claim 3, wherein the plastic material comprises salts or oxides of at least one metal having an atomic number of at least 50. 38. A silencer according to claim 3, wherein the plastic material comprises a carbon black as a filler. 39. A silencer according to claim 8, wherein the density is greater than about 2.0 g/cm3. 40. A silencer according to claim 9, wherein the density is not higher than about 2.2 g/cm3. 41. A silencer according to claim 11, wherein the outer skin is formed from an elastomer. 42. A silencer according to claim 11, wherein the outer skin is formed from a corrugated metal. 43. A silencer according to claim 19, wherein the density is at least about 2.0 g/cm3. 44. A silencer according to claim 20, wherein the density is not higher than about 2.2 g/cm3. 45. A silencer comprising an inner component and an outer component surrounding the inner component, the inner component defining an inner wall provided with openings and the outer component defining an outer wall extending a long said inner wall, the outer wall comprising an elastomeric bellows which defines together with the inner wall individual cavities which are sealed from one another, the openings of the inner wall are associated with, and open into the cavities, at least one of the outer and inner walls formed from a material having a density of at least about 1.5 g/cm3, but does not exceed about 2.5 g/cm3, and at least one of the outer wall and the inner wall are formed from a plastic material comprising salts or oxides at least one metal having an atomic number of at least 20. 46. A silencer according to claim 45, wherein the plastic material comprises salts or oxides of at least one metal having an atomic number of at least 50. 47. A silencer according to claim 45, wherein the plastic material comprises carbon black as a filler.

이 특허에 인용된 특허 (9)

이 특허를 인용한 특허 피인용횟수: 10

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Silencer

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이 특허에 인용된 특허 (9)

이 특허를 인용한 특허 피인용횟수: 10

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