Turbine
AssigneeCummins Inc.
InventorsCraig S. T. Hasler, Robert Dewhirst
Life of this patent
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Abstract
There is provided a turbine housing comprising a housing dividing wall circumferentially extending around a central axis of the turbine housing. The housing dividing wall axially separates a first inlet volute and a second inlet volute. The housing dividing wall comprises a circumferentially extending tip configured to receive a nozzle ring. The tip is shaped to impart a tortuous geometry upon a leakage passage defined between the first inlet volute and the second inlet volute.
Claims39
A turbine housing comprising:
- a housing dividing wall circumferentially extending around a central axis of the turbine housing, the housing dividing wall axially separating a first inlet volute and a second inlet volute;
- wherein the housing dividing wall comprises a circumferentially extending tip configured to receive a nozzle ring, the tip being shaped to impart a tortuous geometry upon a leakage passage defined between the first inlet volute and the second inlet volute.
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A nozzle ring for a twin-entry turbine comprising a first inlet volute and a second inlet volute separated by a housing dividing wall, the nozzle ring comprising:
- a nozzle ring dividing wall circumferentially extending around a central axis of the nozzle ring;
- at least one nozzle vane extending from the nozzle ring dividing wall;
- wherein the nozzle ring dividing wall comprises a circumferentially extending tip configured to be received by the housing dividing wall, the tip being shaped to impart a tortuous geometry upon a leakage passage defined between the first inlet volute and the second inlet volute.
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Dependencies are inferred from the claim text.