A turbocharger turbine section is disclosed. The turbine may include a first swing vane rotatably coupled with a first pin that may include a first leading edge, a first trailing edge, a first exhaust side edge extending between the first leading edge and the first trailing edge and a first bearing
A turbocharger turbine section is disclosed. The turbine may include a first swing vane rotatably coupled with a first pin that may include a first leading edge, a first trailing edge, a first exhaust side edge extending between the first leading edge and the first trailing edge and a first bearing side edge extending between the first leading edge and the first trailing edge. Furthermore, the turbine may include a second swing vane rotatably coupled with a second pin that may include a second leading edge, a second trailing edge, a second exhaust side edge extending between the second leading edge and the second trailing edge and a second bearing side edge extending between the second leading edge and the second trailing edge. Moreover, the turbine may include an exhaust side nozzle wall, a bearing side nozzle wall opposite the exhaust side nozzle wall and a turbine wheel.
대표청구항▼
1. A turbocharger turbine section, comprising: a first swing vane rotatably coupled with a first pin, the first swing vane including a first leading edge, a first trailing edge, a first exhaust side edge extending between the first leading edge and the first trailing edge and a first bearing side ed
1. A turbocharger turbine section, comprising: a first swing vane rotatably coupled with a first pin, the first swing vane including a first leading edge, a first trailing edge, a first exhaust side edge extending between the first leading edge and the first trailing edge and a first bearing side edge extending between the first leading edge and the first trailing edge;a second swing vane rotatably coupled with a second pin, the second swing vane positioned adjacent the first swing vane and including a second leading edge, a second trailing edge, a second exhaust side edge extending between the second leading edge and the second trailing edge and a second bearing side edge extending between the second leading edge and the second trailing edge;an exhaust side nozzle wall;a bearing side nozzle wall opposite the exhaust side nozzle wall; anda turbine wheel, the first and second swing vanes being rotatable between an open position and a closed position, the exhaust side nozzle wall having a non-sloped portion that diverges away from both the first exhaust side edge and the second exhaust side edge when the first and second swing vanes are in the open position. 2. The turbocharger turbine section according to claim 1, wherein the first swing vane and the second swing vane are rotatable between the closed position wherein the first trailing edge abuts the second leading edge and the open position wherein the first trailing edge and the second trailing edge are oriented towards the turbine wheel, wherein while in the closed position the exhaust side nozzle wall is parallel with the first exhaust side edge and the second exhaust side edge. 3. The turbocharger turbine section according to claim 2, wherein the non-sloped portion of the exhaust side nozzle wall that diverges away from the first exhaust side edge and the second exhaust side edge further includes a first divergence angle, wherein the first divergence angle is equal to 90 degrees and wherein the exhaust side nozzle wall is an internal surface of an exhaust housing. 4. The turbocharger turbine section according to claim 1, wherein the first swing vane and the second swing vane are rotatable between a the closed position wherein the first trailing edge abuts the second leading edge and mi the open position wherein the first trailing edge and the second trailing edge are oriented towards the turbine wheel, wherein while in the closed position the bearing side nozzle wall is parallel with the first bearing side edge and the second bearing side edge, and wherein while in the open position a portion of the bearing side nozzle wall diverges away from the first bearing side edge and the second bearing side edge. 5. The turbocharger turbine section according to claim 4, wherein the portion of the bearing side nozzle wall that diverges away from the first bearing side edge and the second bearing side edge further includes a second divergence angle, and wherein the bearing side nozzle wall is an internal surface of a bearing housing. 6. The turbocharger turbine section according to claim 4, wherein the portion of the bearing side nozzle wall that diverges away from the first bearing side edge and the second bearing side edge is non-sloped and further includes a second divergence angle, wherein the second divergence angle is equal to 90 degrees and wherein the bearing side nozzle wall is an internal surface of a bearing housing. 7. The turbocharger turbine section according to claim 1, wherein the first swing vane and the second swing vane are rotatable between a the closed position wherein the first trailing edge abuts the second leading edge and an the open position wherein the first trailing edge and the second trailing edge are oriented towards the turbine wheel, wherein while in the closed position the exhaust side nozzle wall is parallel with the first exhaust side edge and the second exhaust side edge, wherein while in the closed position the bearing side nozzle wall is parallel with the first bearing side edge and the second bearing side edge, and wherein while in the open position a portion of the bearing side nozzle wall diverges away from the first bearing side edge and the second bearing side edge. 8. The turbocharger turbine section according to claim 7, wherein the portion of the exhaust side nozzle wall that diverges away from the first exhaust side edge and the second exhaust side edge further includes a first divergence angle, wherein the exhaust side nozzle wall is an internal surface of an exhaust housing, wherein the portion of the bearing side nozzle wall that diverges away from the first bearing side edge and the second bearing side edge further includes a second divergence angle, and wherein the bearing side nozzle wall is an internal surface of a bearing housing. 9. The turbocharger turbine section according to claim 7, wherein the non-sloped portion of the exhaust side nozzle wall that diverges away from the first exhaust side edge and the second exhaust side edge further includes a first divergence angle and further wherein the first divergence angle is equal to 90 degrees, wherein the exhaust side nozzle wall is an internal surface of an exhaust housing, wherein the portion of the bearing side nozzle wall that diverges away from the first bearing side edge and the second bearing side edge is non-sloped and further includes a second divergence angle, wherein the second divergence angle is equal to 90 degrees and wherein the bearing side nozzle wall is an internal surface of a bearing housing. 10. An engine system, comprising: an engine;an exhaust conduit downstream of and fluidly coupled with the engine configured to transport an exhaust stream away from the engine; anda turbocharger including a turbine section, the turbine section fluidly coupled with the exhaust conduit and configured to extract work from the exhaust stream,the turbine section including a nozzle, the nozzle including a first swing vane rotatably coupled with a first pin and a second swing vane rotatably coupled with a second pin positioned adjacent the first swing vane, the first swing vane including a first leading edge, a first trailing edge, a first exhaust side edge extending between the first leading edge and the first trailing edge and a first bearing side edge extending between the first leading edge and the first trailing edge, the second swing vane including a second leading edge, a second trailing edge, a second exhaust side edge extending between the second leading edge and the second trailing edge and a second bearing side edge extending between the second leading edge and the second trailing edge, the nozzle further including an exhaust side nozzle wall and a bearing side nozzle wall opposite the exhaust side nozzle wall and a turbine wheel, the first and second swing vanes being rotatable between an open position and a closed position, the exhaust side nozzle wall having a non-sloped portion that diverges away from both the first exhaust side edge and the second exhaust side edge by a divergence angle of 90 degrees when the first and second swing vanes are in the open position. 11. The engine system according to claim 10, wherein the first swing vane and the second swing vane are rotatable between the closed position wherein the first trailing edge abuts the second leading edge and the open position wherein the first trailing edge and the second trailing edge are oriented towards the turbine wheel, wherein while in the closed position the exhaust side nozzle wall is parallel with the first exhaust side edge and the second exhaust side edge, and wherein the exhaust side nozzle wall is an internal surface of an exhaust housing. 12. The engine system according to claim 10, wherein the first swing vane and the second swing vane are rotatable between a the closed position wherein the first trailing edge abuts the second leading edge and an the open position wherein the first trailing edge and the second trailing edge are oriented towards the turbine wheel, wherein while in the closed position the bearing side nozzle wall is parallel with the first bearing side edge and the second bearing side edge, and wherein the bearing side nozzle wall is an internal surface of a bearing housing. 13. The engine system according to claim 10, wherein the first swing vane and the second swing vane are rotatable between a the closed position wherein the first trailing edge abuts the second leading edge and an die open position wherein the first trailing edge and the second trailing edge are oriented towards the turbine wheel, wherein while in the closed position the exhaust side nozzle wall is parallel with the first exhaust side edge and the second exhaust side edge, wherein while in the closed position the bearing side nozzle wall is parallel with the first bearing side edge and the second bearing side edge, wherein the exhaust side nozzle wall is an internal surface of an exhaust housing and the bearing side nozzle wall is an internal surface of a bearing housing. 14. The engine system according to claim 10, wherein the first swing vane and the second swing vane are rotatable between a the closed position wherein the first trailing edge abuts the second leading edge and an the open position wherein the first trailing edge and the second trailing edge are oriented towards the turbine wheel, wherein while in the closed position the exhaust side nozzle wall is parallel with the first exhaust side edge and the second exhaust side edge, wherein while in the closed position the bearing side nozzle wall is parallel with the first bearing side edge and the second bearing side edge, wherein while in the open position a portion of the exhaust-side nozzle wall diverges away from both the first exhaust side edge and the second exhaust side edge at first divergence equal to 90 degrees, wherein while in the open position a non-sloped portion of the bearing side nozzle wall diverges away from the first bearing side edge and the second bearing side edge at a second divergence angle equal to 90 degrees, and wherein the exhaust side nozzle wall is an internal surface of an exhaust housing and the bearing side nozzle wall is an internal surface of a bearing housing.
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