[특허]Turbo charger housing

Consolidated Metco, Inc.

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특허 상세정보

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Turbo charger housing

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01D-025/28
미국특허분류(USC)	415/206; 415/214.1
출원번호	US-0124835 (2008-11-07)
등록번호	US-8696310 (2014-04-15)
국제출원번호	PCT/US2008/082839 (2008-11-07)
§371/§102 date	20110418 (20110418)
국제공개번호	WO2010/053491 (2010-05-14)
발명자 / 주소	Dillon, Ryan Gabriel deGlee, James Jacob Edstrom, Robert C.
출원인 / 주소	Consolidated Metco, Inc.
대리인 / 주소	Klarquist Sparkman, LLP
인용정보	피인용 횟수 : 1 인용 특허 : 8

초록
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A turbocharger compressor housing apparatus comprises a compressor housing and diffuser. These components are configured to provide an interference fit when assembled. An annular projection extends outwardly from one of such components toward the other of the components and engages the other of the components to form an annular joint. One of the compressor housing and diffuser comprises a recess positioned to collect debris generated during the interference fit to prevent the debris from reaching the annular joint. A second recess can be provided at the ...

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1. A turbocharger compressor housing apparatus comprising: a compressor housing comprising a diffuser receiving opening bounded at least in part by a compressor housing wall that comprises a first mating surface;a diffuser comprising an exterior diffuser wall that comprises a second mating surface, the exterior diffuser wall being sized and shaped for insertion into the diffuser receiving opening to a fully inserted position;the first and second mating surfaces being configured to provide an interference fit of the compressor housing wall and the exterior diffuser wall at least when the exterior diffuser wall is inserted into the diffuser receiving opening to the fully inserted position, the diffuser comprising a distal end positioned within the diffuser receiving opening;one of the compressor housing wall and the exterior diffuser wall comprising an annular projection extending outwardly from the said one of the compressor housing wall and the exterior diffuser wall and toward the other of the compressor housing wall and the exterior diffuser wall;the projection being positioned to engage said other of the compressor housing wall and the exterior diffuser wall to form an annular joint between the projection and engaged said other of the compressor housing wall and exterior diffuser wall at least when the exterior diffuser wall is at the fully inserted position; andone of the compressor housing wall and the exterior diffuser wall comprising a recess positioned adjacent to a first side portion of the projection, the recess being nearer to the distal end portion than the first side portion of the projection and positioned to prevent debris generated by the interference fitting of the first and second mating surfaces from reaching the annular joint. 2. An apparatus according to claim 1 wherein said one of the compressor housing wall and the exterior diffuser wall comprises a second recess positioned adjacent to a second side of the projection, the projection being positioned between the second recess and the distal end portion. 3. An apparatus according to claim 2 wherein the projection, the first recess, and the second recess all comprise portions of the exterior diffuser wall. 4. An apparatus according to claim 1 wherein there is only one projection. 5. An apparatus according to claim 1 wherein the first and second recesses are annular. 6. An apparatus according to claim 1 wherein the first and second mating surfaces comprise cylindrical mating surfaces. 7. An apparatus according to claim 1 wherein the first and second mating surfaces comprise right cylindrical mating surfaces. 8. An apparatus according to claim 1 wherein the said one of the compressor housing wall and the exterior diffuser housing wall is the exterior diffuser housing wall. 9. An apparatus according to claim 1 wherein the compressor housing comprises a longitudinal axis, the first mating surface comprising a right cylindrical mating surface portion of the compressor housing wall that is coaxial with the longitudinal axis, the compressor housing wall comprising an annular projection engaging wall portion adjacent to the diffuser receiving opening, the annular projection engaging wall portion having a first radius from the longitudinal axis at a first location adjacent to the diffuser receiving opening and a second radius from the longitudinal axis at a second location spaced further from the diffuser receiving opening than the first location, the second radius being greater than the first radius, the annular projection engaging wall portion having a first slope from the first location to the second location, wherein the diffuser comprises the projection and wherein the projection comprises an annular compressor housing wall engaging surface portion at a first side portion of the projection that has a second slope, the first side portion of the projection being nearest to the distal end, the compressor housing wall engaging surface portion of the projection engaging the projection engaging wall portion to form the annular joint at least when the exterior diffuser wall is at the fully inserted position. 10. An apparatus according to claim 9 wherein the second slope is differs by no more than plus or minus twenty-five degrees from the first slope. 11. An apparatus according to claim 9 wherein the second slope is greater than the first slope. 12. An apparatus according to claim 9 wherein the second slope is the same as the first slope. 13. An apparatus according to claim 9 wherein the first slope is about forty-five degrees. 14. An apparatus according to claim 9 wherein the diffuser comprises a second recess positioned adjacent to a second side portion of the projection spaced further from the distal end than the first side portion of the projection. 15. An apparatus according to claim 14 wherein both the first and second recesses are annular and are included on the diffuser. 16. An apparatus according claim 9 wherein the diffuser is press fit into the diffuser receiving opening with the projection being inserted into the diffuser receiving opening from 0.2 mm to 1 mm beyond the initial contact between the projection engaging wall portion and the compressor housing wall engaging surface portion when the exterior diffuser wall is at the fully inserted position. 17. An apparatus according to claim 1 wherein the compressor housing comprises a stop surface and the diffuser comprises a stop engaging surface, the stop surface and stop engaging surfaces being positioned to engage one another when the exterior diffuser wall is at the fully inserted position to limit the extent of insertion of the diffuser into the diffuser receiving opening of the compressor housing and to limit the extent of insertion of the projection into the diffuser receiving opening. 18. An apparatus according to claim 1 wherein there are no o-ring seals between the compressor housing and the diffuser. 19. A turbocharger compressor housing apparatus comprising: a diffuser comprising a diffuser body with an exterior wall, the exterior wall comprising a compressor housing mating surface and a distal end;an annular at least partially deformable projection extending outwardly from the exterior wall; andthe mating surface defining a first recess positioned adjacent to the projection, the recess being positioned between the projection and mating surface and sized to span the mating surface so as to shield the projection from the mating surface. 20. An apparatus according to claim 19 wherein the diffuser body defines a second recess positioned further from the distal end than the projection. 21. An apparatus according to claim 20 wherein the first and second recesses are each annular. 22. An apparatus according to claim 19 wherein the diffuser comprises a longitudinal axis and wherein the mating surface is of a right cylindrical shape having a longitudinal axis aligned with the longitudinal axis of the diffuser. 23. An apparatus according to claim 19 wherein the projection is generally triangular in cross section with an apex of the triangle being spaced from the exterior wall. 24. An apparatus according claim 23 wherein the apex is truncated. 25. An apparatus according to claim 23 wherein the projection comprises a sloping surface portion at a side of the projection nearest to the distal end. 26. An apparatus according to claim 25 wherein the sloping surface portion has a slope of from twenty degrees to seventy degrees. 27. A method of engaging a turbocharger compressor housing and a diffuser comprising: sliding the compressor housing and diffuser relative to one another to insert the diffuser into the compressor housing and to form an interference fit of the diffuser to the compressor housing;at least partially deforming an annular projection included in one of the compressor housing and diffuser during sliding of the compressor housing and diffuser relative to one another to form an annular joint between the housing and diffuser; andcollecting debris generated during the interference fit and preventing the debris from reaching the annular joint. 28. The method of claim 27 wherein the act of at least partially deforming the annular projection comprises collapsing at least a portion of the annular projection into an annular recess. 29. A turbocharger compressor housing apparatus comprising: a compressor housing having a first cylindrical region comprising a first mating surface;a diffuser comprising a distal end, the diffuser also comprising a second cylindrical region comprising a second mating surface matingly engaged with the first mating surface to form an interference fit therebetween; andan at least partially collapsed annular projection extending outwardly from one of the compressor housing and diffuser and positioned so as to engage the other of the compressor housing and diffuser to form an annular metal gasket to at least partially seal the joint between the first and second mating surfaces, wherein at least one of the first mating surface and the second mating surface defines a first annular recess between the projection and the distal end and a second annular recess adjacent to the projection and further from the distal end than the projection.

이 특허에 인용된 특허 (8)

이 특허를 인용한 특허 피인용횟수: 1

Isogai, Tomoyuki. Turbocharger and method of producing thereof. USP2016089404509.

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Turbo charger housing

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Turbo charger housing

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