A system, in certain embodiments, includes an impeller having a plurality of impeller blades coupled to an impeller hub body, wherein each impeller blade is sculpted having a nonlinear profile extending from a hub intersect surface of the impeller blade to a shroud intersect surface of the impeller
A system, in certain embodiments, includes an impeller having a plurality of impeller blades coupled to an impeller hub body, wherein each impeller blade is sculpted having a nonlinear profile extending from a hub intersect surface of the impeller blade to a shroud intersect surface of the impeller blade.
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1. An impeller, comprising: a hub body; anda plurality of impeller blades extending from the hub body, wherein a first portion of each impeller blade of the plurality of impeller blades is sculpted having a nonlinear, curved profile extending from a hub intersect surface of the impeller blade to a s
1. An impeller, comprising: a hub body; anda plurality of impeller blades extending from the hub body, wherein a first portion of each impeller blade of the plurality of impeller blades is sculpted having a nonlinear, curved profile extending from a hub intersect surface of the impeller blade to a shroud intersect surface of the impeller blade, wherein the nonlinear, curved profile has a radius of curvature that varies from a leading edge of the impeller blade to a trailing edge of the impeller blade, and wherein a location of a maximum of a thickness between the hub intersect surface and the shroud intersect surface of each impeller blade of the plurality of impeller blades varies from a leading edge to a trailing edge of each impeller blade of the plurality of impeller blades. 2. The impeller of claim 1, wherein the nonlinear, curved profile of each impeller blade of the plurality of impeller blades comprises a nonlinear pressure surface extending from the hub intersect surface to the shroud intersect surface. 3. The impeller of claim 2, wherein the nonlinear, curved profile of each impeller blade of the plurality of impeller blades comprises a linear suction surface extending from the hub intersect surface to the shroud intersect surface. 4. The impeller of claim 1, wherein the nonlinear, curved profile of each impeller blade of the plurality of impeller blades comprises a nonlinear suction surface extending from the hub intersect surface to the shroud intersect surface. 5. The impeller of claim 4, wherein the nonlinear, curved profile of each impeller blade of the plurality of impeller blades comprises a linear pressure surface extending from the hub intersect surface to the shroud intersect surface. 6. The impeller of claim 1, wherein the nonlinear, curved profile of each impeller blade of the plurality of impeller blades comprises a nonlinear leading edge surface extending from the hub intersect surface to the shroud intersect surface. 7. The impeller of claim 1, wherein the nonlinear, curved profile of each impeller blade of the plurality of impeller blades comprises a nonlinear trailing edge surface extending from the hub intersect surface to the shroud intersect surface. 8. The impeller of claim 1, wherein the nonlinear, curved profile of each impeller blade of the plurality of impeller blades comprises a non-constant thickness extending between the hub intersect surface and the shroud intersect surface. 9. The impeller of claim 1, wherein a second portion of each impeller blade of the plurality of impeller blades is non-sculpted having a linear profile extending from the hub intersect surface of the impeller blade to the shroud intersect surface of the impeller blade. 10. The impeller of claim 1, wherein the radius of curvature varies from the hub intersect surface to the shroud intersect surface. 11. An impeller, comprising: a hub having a hub body; anda plurality of impeller blades extending from the hub body, each impeller blade of the plurality of impeller blades comprising: a hub intersect surface proximate to the hub body;a shroud intersect surface opposite the hub intersect surface;a pressure surface extending between the hub intersect surface and the shroud intersect surface; anda suction surface extending between the hub intersect surface and the shroud intersect surface, wherein the suction surface and the pressure surface are separated by a thickness, wherein a first cross-section of the thickness normal to the pressure and suction surfaces comprises a nonlinear profile,wherein a location of a maximum of the thickness between the hub intersect surface and the shroud intersect surface of each impeller blade of the plurality of impeller blades varies from a leading edge to a trailing edge of each impeller blade of the plurality of impeller blades. 12. The impeller of claim 11, wherein a second cross-section of the thickness normal to the pressure and suction surfaces comprises a linear profile. 13. The impeller of claim 11, wherein a suction side boundary portion of the first cross-section of the thickness defined by the suction surface is nonlinear. 14. The impeller of claim 11, wherein a pressure side boundary portion of the first cross-section of the thickness defined by the pressure surface is nonlinear. 15. The impeller of claim 11, wherein the thickness is non-uniform from the hub intersect surface to the shroud intersect surface. 16. The impeller of claim 11, wherein the thickness is uniform from the hub intersect surface to the shroud intersect surface. 17. The impeller of claim 11, wherein a dimension of the maximum of the thickness between the hub intersect surface and the shroud intersect surface of each impeller blade of the plurality of impeller blades varies from the leading edge to the trailing edge of each impeller blade of the plurality of impeller blades. 18. A system, comprising: a centrifugal gas compressor, comprising: an impeller;a diffuser configured to convert a high-velocity fluid flow from the impeller into a high-pressure fluid flow; anda scroll configured to direct the fluid flow from the diffuser out of the centrifugal gas compressor;wherein the impeller comprises a plurality of impeller blades, wherein each impeller blade of the plurality of impeller blades comprises: a sculpted portion having a nonlinear, curved profile extending from a hub intersect surface of the impeller blade to a shroud intersect surface of the respective impeller blade, wherein the nonlinear, curved profile has a radius of curvature that varies from a leading edge of the impeller blade to a trailing edge of the impeller blade; anda thickness separating a suction surface and a pressure surface of the respective impeller blade, wherein a location of a maximum of the thickness between the hub intersect surface and the shroud intersect surface of the respective impeller blade varies from a leading edge to a trailing edge of each impeller blade of the plurality of impeller blades. 19. The system of claim 18, wherein the nonlinear profile of each impeller blade of the plurality of impeller blades comprises a nonlinear pressure surface. 20. The system of claim 18, wherein the nonlinear profile of each impeller blade of the plurality of impeller blades comprises a nonlinear suction surface. 21. The system of claim 18, wherein each impeller blade of the plurality of impeller blades comprises a ruled mean portion having a linear profile extending from the hub intersect surface of the impeller blade to the shroud intersect surface of the respective impeller blade. 22. The system of claim 18, wherein the thickness of the impeller blade is non-uniform from the leading edge to the trailing edge. 23. The system of claim 18, wherein the radius of curvature varies from the hub intersect surface to the shroud intersect surface, and wherein a dimension of the maximum of the thickness between the hub intersect surface and the shroud intersect surface of each impeller blade of the plurality of impeller blades varies from the leading edge to the trailing edge of each impeller blade of the plurality of impeller blades.
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이 특허에 인용된 특허 (9)
Gravelle ; Homer E., Compressor impeller and method of manufacture.
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