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US 11,685,187 B2Granted
Light-weight wheel hub for a wheel hub assembly
AssigneeAktiebolaget Skf
InventorsAlberto Carlevaris, Giorgio Missiaggia, Stefano Richaud
Life of this patent
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Abstract
Wheel hubs for a motor-vehicle wheel hub assemblies provided with a bearing unit in turn which include at least one row of rolling bodies, the wheel hub being provided with at least two sheet-metal elements which are rigidly joined together, wherein a first sheet-metal element forms a raceway for the at least one row of rolling bodies.
Claims11
A wheel hub for a wheel hub assembly for motor vehicles provided with a bearing unit, comprising:
- at least one row of rolling bodies,
- a flanged portion comprising a plurality of axial holes,
- at least two sheet-metal elements rigidly joined together, the at least two sheet-metal elements comprising a first sheet-metal element defining a raceway for the at least one row of rolling bodies, and a second sheet metal element,
- wherein the first sheet-metal element comprises:
- a radially outer annular portion configured to form the flanged portion;
- and
- an axially inner cylindrical portion;
- wherein the second sheet-metal element comprises:
- a radially outer annular portion configured to form the flanged portion, and
- an axially inner cylindrical portion directly contacting the axially inner cylindrical portion of the first sheet metal element.
7 more elements
A method of forming a bearing unit comprising:
- providing a first sheet metal element defining a raceway and comprising an axially inner cylindrical portion, and a flange portion comprising a plurality of axial holes;
- providing a second sheet metal element comprising an axially inner cylindrical portion, and a flange portion comprising a plurality of axial holes;
- providing a third sheet metal element comprising an axially outer cylindrical portion, and a flange portion comprising a plurality of axial holes;
- directly joining the flange portion of the first sheet metal element to the flange portion of the second sheet metal element;
- directly joining the axially inner cylindrical portion of the first sheet metal element to the axially inner cylindrical portion of the second sheet metal element;
- and
- directly joining the flange portion of the second sheet metal element to the flange portion of the third sheet metal element.
4 more elements
Dependencies are inferred from the claim text.