A turbine housing includes a turbine inlet plenum and a turbine housing body. The turbine housing body includes a turbine outlet mounting face, a seal plate mounting face, and a center bore formed between the turbine outlet mounting face and the seal plate mounting face. A first support is formed ab
A turbine housing includes a turbine inlet plenum and a turbine housing body. The turbine housing body includes a turbine outlet mounting face, a seal plate mounting face, and a center bore formed between the turbine outlet mounting face and the seal plate mounting face. A first support is formed about the turbine inlet plenum and in contact with the turbine housing body. A relief pocket is formed in the first support proximate the seal plate mounting face. The relief pocket is formed at a first distance from a turbine housing center axis of the center bore and at a first depth relative to the seal plate mounting face. A ratio of the first distance to the first depth is between 2.66 and 2.90.
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1. A turbine housing, comprising: a turbine inlet plenum;a turbine housing body comprising a turbine outlet mounting face, a seal plate mounting face, and a center bore formed between the turbine outlet mounting face and the seal plate mounting face;a first support formed about the turbine inlet ple
1. A turbine housing, comprising: a turbine inlet plenum;a turbine housing body comprising a turbine outlet mounting face, a seal plate mounting face, and a center bore formed between the turbine outlet mounting face and the seal plate mounting face;a first support formed about the turbine inlet plenum and in contact with the turbine housing body; anda relief pocket formed in the first support proximate the seal plate mounting face, the relief pocket formed at a first distance from a turbine housing center axis of the center bore and at a first depth relative to the seal plate mounting face, wherein a ratio of the first distance to the first depth is between 2.66 and 2.90. 2. The turbine housing according to claim 1, further comprising: a second support formed about the turbine inlet plenum and in contact with the turbine housing body, the second support comprising a casting target having a center hole, wherein a first datum is formed by a plane passing through the turbine housing center axis and the center hole. 3. The turbine housing according to claim 2, wherein the relief pocket is formed at an angle of about 35.5 degrees relative to the first datum. 4. The turbine housing according to claim 3, wherein a relief pocket radius is formed at the first distance extending an offset distance from the angle, and a ratio of the offset distance to the relief pocket radius is between 1.26 and 1.66. 5. The turbine housing according to claim 2, wherein the relief pocket further comprises an inner contour having an inner contour radius, an outer contour having an outer contour radius, and a ratio of the inner contour radius to the outer contour radius is between 1.41 and 2.95. 6. The turbine housing according to claim 5, wherein the second support further comprises an origin of curvature at a second depth from the seal plate mounting face, and a ratio of the first depth to the second depth is between 1.52 and 1.91. 7. The turbine housing according to claim 1, wherein the turbine housing body further comprises an outer perimeter at a second distance from the turbine housing center axis, and a ratio of the first distance to the second distance is between 1.04 and 1.05. 8. An air cycle machine assembly comprising: a turbine housing, comprising: a turbine inlet plenum;a turbine housing body comprising a turbine outlet mounting face, a seal plate mounting face, and a center bore formed between the turbine outlet mounting face and the seal plate mounting face;a first support formed about the turbine inlet plenum and in contact with the turbine housing body; anda relief pocket formed in the first support proximate the seal plate mounting face, the relief pocket formed at a first distance from a turbine housing center axis of the center bore and at a first depth relative to the seal plate mounting face, wherein a ratio of the first distance to the first depth is between 2.66 and 2.90;a compressor housing;a seal plate coupled to the turbine housing; anda fastener installed proximate the relief pocket and configured to couple the seal plate with the compressor housing. 9. The air cycle machine assembly according to claim 8, wherein the turbine housing further comprises a second support formed about the turbine inlet plenum and in contact with the turbine housing body, the second support comprising a casting target having a center hole, wherein a first datum is formed by a plane passing through the turbine housing center axis and the center hole. 10. The air cycle machine assembly according to claim 9, wherein the relief pocket is formed at an angle of about 35.5 degrees relative to the first datum. 11. The air cycle machine assembly according to claim 10, wherein a relief pocket radius is formed at the first distance extending an offset distance from the angle, and a ratio of the offset distance to the relief pocket radius is between 1.26 and 1.66. 12. The air cycle machine assembly according to claim 9, wherein the relief pocket further comprises an inner contour having an inner contour radius, an outer contour having an outer contour radius, and a ratio of the inner contour radius to the outer contour radius is between 1.41 and 2.95. 13. The air cycle machine assembly according to claim 12, wherein the second support further comprises an origin of curvature at a second depth from the seal plate mounting face, and a ratio of the first depth to the second depth is between 1.52 and 1.91. 14. The air cycle machine assembly according to claim 8, wherein the turbine housing body further comprises an outer perimeter at a second distance from the turbine housing center axis, and a ratio of the first distance to the second distance is between 1.04 and 1.05. 15. A method of installing a turbine housing in an air cycle machine, comprising: aligning an outer mounting hole of a seal plate with a relief pocket of the turbine housing, the turbine housing comprising: a turbine inlet plenum;a turbine housing body comprising a turbine outlet mounting face, a seal plate mounting face, and a center bore formed between the turbine outlet mounting face and the seal plate mounting face;a first support formed about the turbine inlet plenum and in contact with the turbine housing body; andthe relief pocket formed in the first support proximate the seal plate mounting face, the relief pocket formed at a first distance from a turbine housing center axis of the center bore and at a first depth relative to the seal plate mounting face, wherein a ratio of the first distance to the first depth is between 2.66 and 2.90;coupling the seal plate to the turbine housing; andinstalling a fastener into the outer mounting hole proximate the relief pocket to couple the seal plate with a compressor housing. 16. The method according to claim 15, wherein the turbine housing further comprises a second support formed about the turbine inlet plenum and in contact with the turbine housing body, the second support comprising a casting target having a center hole, wherein a first datum is formed by a plane passing through the turbine housing center axis and the center hole. 17. The method according to claim 16, wherein the relief pocket is formed at an angle of about 35.5 degrees relative to the first datum. 18. The method according to claim 17, wherein a relief pocket radius is formed at the first distance extending an offset distance from the angle, and a ratio of the offset distance to the relief pocket radius is between 1.26 and 1.66. 19. The method according to claim 16, wherein the relief pocket further comprises an inner contour having an inner contour radius, an outer contour having an outer contour radius, and a ratio of the inner contour radius to the outer contour radius is between 1.41 and 2.95. 20. The method according to claim 19, wherein the second support further comprises an origin of curvature at a second depth from the seal plate mounting face, and a ratio of the first depth to the second depth is between 1.52 and 1.91.
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