IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0759928
(2004-01-15)
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발명자
/ 주소 |
- Nguyen,Ly D.
- Wheeler,Lori M.
- Ockenfels,Greg
- James,Darrell K.
- Zurmehly,George E.
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출원인 / 주소 |
- Honeywell International, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
1 인용 특허 :
2 |
초록
▼
An integral assembly that may improve control over thermal and mechanical behaviors of assembly structures during various transient operation conditions is disclosed. The integral assembly comprises a continuous ring disposed coaxial with, and orthogonal to a central axis, the continuous ring compri
An integral assembly that may improve control over thermal and mechanical behaviors of assembly structures during various transient operation conditions is disclosed. The integral assembly comprises a continuous ring disposed coaxial with, and orthogonal to a central axis, the continuous ring comprising a plurality of surfaces, the plurality of surfaces having a continuous outer surface and a continuous inner surface; the plurality of surfaces being characterized by a continuous cross section having a first cross sectional dimension longitudinally disposed parallel to the central axis; the plurality of surfaces comprising a bell mouth surface in physical communication with a compressor shroud surface; the compressor shroud surface being in physical communication with a diffuser surface; and the diffuser surface being in physical communication with the bell mouth surface. The integral assembly comprising a compressor shroud is also provided. An auxiliary power unit including the integral assembly, and a method of making the integral assembly are also disclosed.
대표청구항
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We claim: 1. An integral assembly, comprising: a continuous ring disposed coaxial with, and orthogonal to a central axis, said continuous ring comprising a plurality of surfaces, said plurality of surfaces having a continuous outer surface and a continuous inner surface; said plurality of surfaces
We claim: 1. An integral assembly, comprising: a continuous ring disposed coaxial with, and orthogonal to a central axis, said continuous ring comprising a plurality of surfaces, said plurality of surfaces having a continuous outer surface and a continuous inner surface; said plurality of surfaces being characterized by a continuous cross section that includes a plurality of cross sectional dimensions including a first cross sectional dimension longitudinally disposed parallel to said central axis, and a second cross sectional dimension disposed orthogonal to said central axis, said plurality of surfaces comprising a bell mouth surface in physical communication with a compressor shroud surface, said compressor shroud surface being in physical communication with a diffuser surface, and said diffuser surface being in physical communication with said bell mouth surface. 2. The integral assembly of claim 1, wherein said bell mouth surface is physically attached to said compressor shroud surface. 3. The integral assembly of claim 2, wherein said bell mouth surface is physically attached to said compressor shroud surface through a lap joint. 4. The integral assembly of claim 1, wherein said compressor shroud surface is physically attached to said diffuser surface. 5. The integral assembly of claim 4, wherein said compressor shroud surface and said diffuser surface are a single piece of material. 6. The integral assembly of claim 1, wherein said diffuser surface is physically attached to said bell mouth surface. 7. The integral assembly of claim 6, wherein said diffuser surface is physically attached to said bell mouth surface using a first mechanical fastener. 8. The integral assembly of claim 1, wherein said bell mouth surface comprises a curved scalloped shaped portion arranged between a first mechanical fastener and said compressor shroud surface. 9. An integral assembly comprising: a continuous ring disposed coaxial with, and orthogonal to a central axis; said continuous ring comprising a plurality of contiguous surfaces; said plurality of contiguous surfaces having a continuous outer surface and a continuous inner surface characterized by a continuous cross-section having a plurality of cross sectional dimensions including a first cross sectional dimension that is longitudinally disposed parallel to said central axis and a second cross sectional dimension disposed orthogonal to said central axis, said plurality of contiguous surfaces comprising a bell mouth surface in physical communication with a compressor shroud surface, said compressor shroud surface in physical communication with a diffuser surface; said diffuser surface in physical communication with said bell mouth surface; said diffuser surface having a diffuser face on a portion of said continuous outer surface radially disposed about said central axis; said diffuser face being perpendicular to said central axis; said diffuser face comprising a plurality of vanes extending longitudinally away from said diffuser face in a direction of said central axis; said integral assembly further including a compressor shroud comprising a compressor shroud ring having a first side separated from a second side; and said first side of said compressor shroud ring being in physical communication with one or more of said vanes. 10. The integral assembly of claim 9, wherein at least one of said vanes includes a top surface that is parallel to said diffuser face, and wherein said first side of said compressor shroud is in physical communication with said top surface, such that said first side is arranged parallel to said diffuser face. 11. The integral assembly of claim 10, wherein a plurality of said vanes each include said top surface that is parallel to said diffuser face, and wherein said first side of said compressor shroud is physically attached to each of said plurality of said top surfaces. 12. The integral assembly of claim 9, wherein said diffuser face and said compressor shroud form a first sub-assembly, said first sub-assembly adapted for attachment to a second sub assembly, said second sub assembly comprising said bell mouth surface. 13. The integral assembly of claim 9, wherein said continuous ring includes a plurality of mounting holes arranged annularly at an outer portion of said continuous ring, said continuous ring comprising a plurality of contiguous surfaces. 14. An integral assembly, comprising: a continuous ring disposed coaxial with, and orthogonal to a central axis; said continuous ring comprising a plurality of contiguous surfaces; said continuous ring having a plurality of mounting holes arranged annularly at an outer portion of said continuous ring; said plurality of contiguous surfaces having a continuous outer surface characterized by a continuous cross-section longitudinally disposed parallel to said central axis; said plurality of contiguous surfaces comprising a bell mouth surface in physical communication with a compressor shroud surface, said compressor shroud surface in physical communication with a diffuser surface; said diffuser surface in physical communication with said bell mouth surface; said bell mouth surface comprising a curved scalloped shaped portion arranged between said diffuser surface and said compressor shroud surface; said diffuser surface having a diffuser face on a portion of said continuous outer surface radially disposed about said central axis; said diffuser face being perpendicular to said central axis; said diffuser face comprising a plurality of vanes extending longitudinally away from said diffuser face in a direction of said central axis; said plurality of vanes each including a top surface that is parallel to said diffuser face, said integral assembly further including a compressor shroud comprising a compressor shroud ring having a first side separated from a second side; and said first side of said compressor shroud ring being in physical communication with each of said top surfaces of said plurality of vanes such that said first side of said compressor shroud ring is arranged parallel to said diffuser face. 15. An auxiliary power unit, comprising: a compressor module; said compressor module comprising an inlet in fluid communication with a bell mouth surface and with a compressor wheel; said compressor wheel being able to rotate, about a central axis, between a compressor housing and a compressor shroud surface; said compressor wheel having a trailing edge in fluid communication with a leading edge of a diffuser surface; wherein said bell mouth surface, said compressor shroud surface, and said diffuser surface comprise an integral assembly; said integral assembly comprising: a continuous ring disposed coaxial with, and orthogonal to said central axis; said continuous ring comprising a plurality of surfaces; said plurality of surfaces having a continuous outer surface and a continuous inner surface being characterized by a continuous cross section having a plurality of cross sectional dimensions including a first cross sectional dimension that is longitudinally disposed parallel to said central axis and a second cross sectional dimension disposed orthogonal to said central axis; said plurality of surfaces comprising said bell mouth surface in physical communication with said compressor shroud surface; said compressor shroud surface being in physical communication with said diffuser surface; and said diffuser sin-face being in physical communication with said bell mouth surface. 16. The auxiliary power unit of claim 15, wherein said diffuser surface includes a diffuser face on a portion of said continuous outer surface radially disposed about said central axis; said diffuser face being perpendicular to said central axis; said diffuser face comprising a plurality of vanes extending longitudinally away from said diffuser face in a direction of said central axis; said auxiliary power unit further including a compressor shroud comprising a compressor shroud ring having a first side separated from a second side; and said first side of said compressor shroud ring being in physical communication with one or more of said vanes. 17. An aircraft comprising the auxiliary power unit of claim 16. 18. A method of making an integral assembly, comprising the steps of: forming a first sub-assembly having a first end and a second end; forming a second sub-assembly having a first end and a second end; attaching said first end of said first sub-assembly to said first end of said second sub assembly; and attaching said second end of said first sub-assembly to said second end of said second sub-assembly, to produce said integral assembly, wherein said integral assembly comprises: a continuous ring disposed coaxial with, and orthogonal to a central axis; said continuous ring comprising a plurality of surfaces; said plurality of surfaces having a continuous outer surface and a continuous inner surface; said plurality of surfaces being characterized by a continuous cross section having a plurality of cross sectional dimensions including a first cross sectional dimension that is longitudinally disposed parallel to said central axis and a second cross sectional dimension disposed orthogonal to said central axis; said plurality of surfaces comprising a bell mouth surface in physical communication with a compressor shroud surface, said compressor shroud surface being in physical communication with a diffuser surface; and said diffuser surface being in physical communication with said bell mouth surface. 19. The method of claim 18, wherein said first sub-assembly is machined from a single piece of material. 20. The method of claim 19, wherein said diffuser surface comprises a diffuser face having a plurality of vanes extending longitudinally away from said diffuser face in a direction of said central axis; and said diffuser face and said vanes being machined into said single piece of material to produce said first sub-assembly. 21. The method of claim 20, further comprising the steps of forming a compressor shroud; and attaching a compressor shroud to one or more of said vanes disposed on said diffuser surface; said compressor shroud comprising: a compressor shroud ring having a first side and a second side; and said first side of said compressor shroud ring being in physical communication with one or more of said vanes. 22. The method of claim 18, wherein said first end of said first sub-assembly is located adjacent to said diffuser surface, and said second end of said first sub-assembly is located opposite said diffuser surface and adjacent to said compressor shroud surface; and said first end of said first sub-assembly being attached to said first end of said second sub-assembly using a first mechanical fastener. 23. The method of claim 22, wherein said second end of said first sub-assembly is attached to said second end of said second sub-assembly using a lap joint. 24. The method of claim 23, wherein said lap joint is welded or brazed.
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