| Patent Number |
Title Of Patent |
Date Issued |
| RE38772 |
Disk storage device having an undercut hub member |
August 9, 2005 |
| A disk memory drive includes a brushless drive outer rotor motor having an internal space and a stator with windings. The outer rotor coaxially encircles the stator and a substantially cylindrical air gap is defined between the stator and the rotor. The rotor includes permanent magnets a |
| RE38673 |
Disk storage device having a hub sealing member feature |
December 21, 2004 |
| A disk memory drive includes a brushless drive outer rotor motor having an internal space and a stator with windings. The outer rotor coaxially encircles the stator and a substantially cylindrical air gap is defined between the stator and the rotor. The rotor includes permanent magnets a |
| RE38662 |
Disk storage device having a sealed bearing tube |
November 30, 2004 |
| A disk memory drive includes a brushless drive outer rotor motor having an internal space and a stator with windings. The outer rotor coaxially encircles the stator and a substantially cylindrical air gap is defined between the stator and the rotor. The rotor includes permanent magnets a |
| RE38601 |
Disk storage device having a radial magnetic yoke feature |
September 28, 2004 |
| A disk memory drive includes a brushless drive outer rotor motor having an internal space and a stator with windings. The outer rotor coaxially encircles the stator and a substantially cylindrical air gap is defined between the stator and the rotor. The rotor includes permanent magnets a |
| RE38179 |
Disk storage device having a three-phase brushless DC underhub configured spindle motor |
July 8, 2003 |
| A disk memory drive includes a brushless drive outer rotor motor having an internal space and a stator with windings. The outer rotor coaxially encircles the stator and a substantially cylindrical air gap is defined between the stator and the rotor. The rotor includes permanent magnets a |
| RE38178 |
Disk storage device having an underhub spindle motor |
July 8, 2003 |
| A disk memory drive includes a brushless drive outer rotor motor having an internal space and a stator with windings. The outer rotor coaxially encircles the stator and a substantially cylindrical air gap is defined between the stator and the rotor. The rotor includes permanent magnets a |
| RE37058 |
Disk storage device having contamination seals |
February 20, 2001 |
| A disk memory drive includes a brushless drive outer rotor motor having an internal space and a stator with windings. The outer rotor coaxially encircles the stator and a substantially cylindrical air gap is defined between the stator and the rotor. The rotor includes permanent magnets a |
| RE35792 |
Disk storage drive |
May 12, 1998 |
| A disk memory drive includes a brushless drive outer rotor motor having an internal space and a stator with windings. The outer rotor coolly encircles the stator and a substantially cylindrical air gap is defined between the stator and the rotor. The rotor includes permanent magnets and |
| 5173814 |
Disk storage drive having internal electrical connection passages and contamination seals at end |
December 22, 1992 |
| A disk memory drive includes a brushless drive outer rotor motor having an internal space and a stator with windings. The outer rotor coaxially encircles the stator and a substantially cylindrical air gap is defined between the stator and the rotor. The rotor includes permanent magnets a |
| 4894738 |
Disk storage drive |
January 16, 1990 |
| A disk memory drive includes a brushless drive outer rotor motor having an internal space and a stator with windings. The outer rotor coaxially encircles the stator and a substantially cylindrical air gap is defined between the stator and the rotor. The rotor includes permanent magnets a |
| 4843500 |
Disk storage drive |
June 27, 1989 |
| A disk memory drive includes a brushless drive outer rotor motor having an internal space and a stator with windings. The outer rotor coaxially encircles the stator and a substantially cylindrical air gap is defined between the stator and the rotor. The rotor includes permanent magnets a |
| 4658312 |
Disk storage drive |
April 14, 1987 |
| Disk storage drive for receiving at least one storage disk provided with a central opening. The disk drive is provided with an outer rotor type driving motor having a rotor casing mounted by means of a shaft in a bearing system so as to rotate relative to a stator and receive the sto |
| 4604665 |
Driving mechanism for magnetic hard disc |
August 5, 1986 |
| A driving mechanism for magnetic hard disc memories includes an isolated space for maximum cleanness from the remainder of the apparatus, a driving motor mounted within the apparatus and having a stator and a rotor, the motor when energized having parts producing magnetic flux, a hub ext |
