Patent · US Active

Seal for rolling bearing used in a wind turbine

US8613557B2 · kind B2 · utility

3Cited by

17References

15Claims

0Family size

Assignee

AKTIEBOLAGET SKF · SE

Inventors

Andreas Gruber · Graz, AT
Wolfgang Swete · Zeltweg, AT
Pascal Ovize · Auxerre, FR
Jesko-Henning Tanke · Schweinfurt, DE
Ake Fick · Landskrona, SE

Key dates

Filing date	Oct 9, 2009
Grant date	Dec 24, 2013
Priority date	—
Expiry date	Feb 19, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49679
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

The rolling bearing comprises an inner ring 1, an outer ring 2, at least one row of rolling elements and at least one seal 7 provided between said outer and inner rings. The seal 7 has, in cross section, the overall shape of a H and comprises internal lips 21, 22 and external lips 23, 24 forming the two substantially parallel branches of said H. The inner and outer rings 1, 2 comprise opposite radial ribs 25, 26 located axially between the internal and external lips 21 to 24 to axially retain the seal.

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