Spindle motor for hard disk drives having a hydrodynamic...

Details Spindle motor for hard disk drives having a hydrodynamic... Spindle motor for hard disk drives having a hydrodynamic...

2005-01-11

2005-01-11

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S06700R

Reexamination Certificate

active

06841907

ABSTRACT:
A spindle motor for hard disk drives having a hydrodynamic bearing arrangement. The arrangement has a shaft and a bearing sleeve including an upper sleeve part, a lower sleeve part and a spacer. The upper and lower sleeve parts are axially separated by the spacer. The shaft is positioned within the upper and lower parts. An annular cavity is formed by the upper sleeve part, lower sleeve part and the spacer where a thrust plate, attached to a central position along the longitudinal axis of the shaft, is located.

REFERENCES:
patent: 5264748 (1993-11-01), Ootsuka et al.
patent: 5433529 (1995-07-01), Hensel
patent: 5516212 (1996-05-01), Titcomb
patent: 5822846 (1998-10-01), Moritan et al.
patent: 5847479 (1998-12-01), Wang et al.
patent: 62140271 (1987-06-01), None
patent: 11-27894 (1999-01-01), None
patent: 2000-175400 (2000-06-01), None
German Search Report dated Nov. 4, 2003.

Affiliated with

Also associated with

Rating

Spindle motor for hard disk drives having a hydrodynamic... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Spindle motor for hard disk drives having a hydrodynamic..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spindle motor for hard disk drives having a hydrodynamic... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3380867