Patent ID: 11891921
Assignee: CUMMINS INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 0:
1. A turbine assembly for a turbocharger, the turbine assembly comprising:
a housing which defines a flow path between an inlet and an outlet, the housing extending around an axis, the housing comprising:
first and second volutes which define a respective first and second flow passage, a circumferential outlet portion of each of the first and second volutes being defined by first and second tongues; and
a first aperture in which a vane assembly is received;

the vane assembly comprising:
a plurality of vanes circumferentially distributed about a turbine wheel-receiving bore, each of the plurality of vanes comprising a leading edge and a trailing edge, each of the plurality of vanes having a fixed orientation; and

wherein the plurality of vanes comprises a first vane and a second vane, the first vane being the vane having its leading edge disposed in closest proximity to a tip of the first tongue, the second vane being the vane having its leading edge disposed in closest proximity to a tip of the second tongue, and wherein, for each of the first vane and the second vane, the leading edge is rotationally offset relative to the tip of the proximate tongue and the leading edge overlaps a low pressure side of the proximate tongue circumferentially.