Patent · US Expired

Hydrodynamic pivot bearing

US7125169B2 · kind B2 · utility

0Cited by

11References

7Claims

0Family size

Assignee

Minebea Co., Ltd. · JP

Inventors

Andreas Kull · Hüfingen, DE
Olaf Winterhalter · Epfendorf, DE
Joerg Hoffmann · Mettlach, DE
Martin Hafen · Colmar, FR

Key dates

Filing date	Dec 21, 2005
Grant date	Oct 24, 2006
Priority date	—
Expiry date	Dec 21, 2025

Classification

Technology area (CPC H)Electricity
CPC primaryH02K7/09
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The present invention provides a bearing comprised of a hydrodynamic bearing and a pivot bearing, which can be used with a spindle motor. It also provides a spindle motor utilizing a hydrodynamic bearing and a pivot bearing.

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