Patent · US Active

Wheel bearing unit

US11965554B2 · kind B2 · utility

0Cited by

8References

10Claims

0Family size

Assignee

Schaeffler Technologies AG & Co. KG · DE

Inventors

Lukas Schraut · Werneck, DE
Bernd Barthel · Herborn, DE
Branko Katana · Herzogenaurach, DE

Key dates

Filing date	Sep 2, 2020
Grant date	Apr 23, 2024
Priority date	—
Expiry date	Sep 2, 2040

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16C2326/02
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A wheel bearing unit includes an outer ring, a first inner ring with a first axial end face, first rolling elements arranged between the outer ring and the first inner ring, a second inner ring with a second axial end face, facing the first axial end face, second rolling elements arranged between the outer ring and the second inner ring, and a sealing device for sealing an interface of the first inner ring and the second inner ring. The sealing device includes an annular retaining element and a sealing element provided on the annular retaining element. The sealing element is a sealing ring that includes first and second contact points contacting the annular retaining element, a third contact point contacting the first inner ring, and a fourth contact point contacting the second inner ring. At least one of the contact points has a flat face.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.