Patent · US Active

Bearing assembly

US8569918B2 · kind B2 · utility

0Cited by

5References

11Claims

0Family size

Assignee

ABB AB · SE

Inventors

Peter Isberg · Lund, SE
Per-Olof Lindberg · Hagfors, SE

Key dates

Filing date	Sep 26, 2011
Grant date	Oct 29, 2013
Priority date	—
Expiry date	Oct 21, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH02K7/083
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A bearing assembly for an electrical motor, including a shaft, a housing, and a main bearing between the shaft and the housing, the shaft being surrounded by a rigid sleeve for functioning as an auxiliary bearing in case of a breakdown of the main bearing and as a grease sealing under normal operation.

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