A compressor that includes an impeller, a diffuser and a shroud. The diffuser includes vanes and one or more projections, each of which extends from a top of a vane. The shroud includes one or more holes. The shroud covers the impeller and the diffuser such that each projection protrudes through one
A compressor that includes an impeller, a diffuser and a shroud. The diffuser includes vanes and one or more projections, each of which extends from a top of a vane. The shroud includes one or more holes. The shroud covers the impeller and the diffuser such that each projection protrudes through one of the holes. The shroud is then secured to the projections by an adhesive.
대표청구항▼
1. A compressor comprising an impeller, a diffuser and a shroud, wherein the diffuser comprises a plurality of vanes and one or more projections, each projection extends from a top of a vane, the shroud comprises one or more holes, the shroud covers the impeller and the diffuser such that each proje
1. A compressor comprising an impeller, a diffuser and a shroud, wherein the diffuser comprises a plurality of vanes and one or more projections, each projection extends from a top of a vane, the shroud comprises one or more holes, the shroud covers the impeller and the diffuser such that each projection protrudes through a respective hole, and the shroud is secured to the projections by an adhesive; wherein the shroud comprises a pair of concentric walls that delimit a trough within which the holes are located, and the adhesive is located around the trough. 2. The compressor of claim 1, wherein each projection extends from a first part of a vane, and the shroud rests on a second part of the vane. 3. The compressor of claim 1, wherein the compressor comprises a sealing ring that covers the holes and projections, the sealing ring is secured to the shroud by the adhesive, and the adhesive creates a seal between the shroud and the sealing ring around the inner perimeter and the outer perimeter of the sealing ring. 4. A compressor comprising an impeller, a diffuser and a shroud, wherein the diffuser comprises a plurality of vanes and one or more projections, the shroud comprises one or more holes, the shroud covers the impeller and the diffuser such that each projection protrudes through a respective hole, each projection extends from a first part of a vane, the shroud rests on a second part of the vane, and the shroud is secured to the projections by an adhesive; wherein the shroud comprises a pair of concentric walls that delimit a trough within which the holes are located, and the adhesive is located around the trough. 5. The compressor of claim 4, wherein the compressor comprises a sealing ring that covers the holes and projections, the sealing ring is secured to the shroud by the adhesive, and the adhesive creates a seal between the shroud and the sealing ring around the inner perimeter and the outer perimeter of the sealing ring. 6. A method of assembling a compressor comprising: providing an impeller, a diffuser and a shroud, wherein the diffuser comprises a plurality of vanes and one or more projections, each projection extends from a top of a vane, and the shroud comprises one or more holes;covering the impeller and the diffuser with the shroud such that each projection protrudes through a respective hole; andapplying an adhesive between the shroud and each projection so as to secure the shroud to the diffuser;wherein the shroud comprises a pair of concentric walls that delimit a trough within which the holes are located, and the adhesive is located around the trough. 7. The method of claim 6, wherein the method comprises covering the holes and projections with a sealing ring, and the adhesive forms a seal around the inner perimeter and the outer perimeter of the sealing ring. 8. The method of claim 7, wherein the sealing ring comprises an annulus and lips that extend downwardly from the inner perimeter and the outer perimeter of the annulus, and the method comprises pressing the sealing ring into the adhesive such that adhesive is driven towards the projections by the lips. 9. The method of claim 7, wherein the adhesive is applied as a first annular bead and a second annular bead, and the sealing ring contacts the first bead around its outer perimeter and contacts the second bead around its inner perimeter.
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이 특허에 인용된 특허 (6)
Zinsmeyer Thomas M. (Pennellville NY), Calibrating apparatus and method for a movable diffuser wall in a centrifugal compressor.
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