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US 11,220,908 B2Granted
Turbine wheel for a turbine
AssigneeBorgWarner Inc.
InventorMarc Gugau
Life of this patent
Estimating the term…
Abstract
A turbine wheel for a turbine of an exhaust gas turbocharger. The turbine wheel has a base body comprising a back wall and a plurality of turbine blades, connected to the base body, which each comprise a leading edge. The leading edges are designed to be wave shaped.
Claims14
A turbine wheel (10) for a turbine of an exhaust gas turbocharger comprising
- a base body (100) with a back wall (110);
- and
- a plurality of turbine blades (200), connected to the base body (100), which each have a leading edge (210),
- wherein the leading edge (210) has a wave shape, and
- wherein the leading edges (210) have a curve which, beginning from the back wall (110) of the base body (100) and with a positive direction counter to the direction of rotation of the turbine wheel, satisfies the following conditions:
- (i) the curve has an initial gradient;
- (ii) the curve has at least one extremum (2);
- and
- (iii) the curve has at least one inflection point (3).
6 more elements
A turbine wheel (10) Bar a turbine of an exhaust gas turbocharger comprising a base body (100) with a back wall (110);
- and a plurality of turbine blades (200), connected to the base body (100), which each have a leading edge (210), wherein the leading edge (210) has a wave shape,
- wherein the leading edges (210) have a curve which satisfies the following conditions in a coordinate system having a first axis along an axis of rotation (x) of the turbine wheel (10) with a positive direction beginning from the back wall (110) of the base body (100) in the direction of the turbine blades, and having a second axis along a respective tangent to a direction of rotation of the turbine wheel (10) with a positive direction counter to the direction of rotation of the turbine wheel (10), and wherein
- (i) the curve has an initial gradient;
- (ii) the curve has at least one extremum (2);
- and
- (iii) the curve has at least one inflection point (3).
3 more elements
Dependencies are inferred from the claim text.