Labyrinth seal in disk storage drive
US4535373A · kind A · utility
61Cited by
8References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 29, 1981 |
| Grant date | Aug 13, 1985 |
| Priority date | — |
| Expiry date | Dec 29, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K11/014
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic disc storage driving mechanism is provided comprising a DC brushless driving motor having a stator and a rotor, a contaminant-free space without air intake provision for containing storage disks, bearings mounting the rotor for rotation and for driving a hub which receives at least one rigid storage disk within the contaminant-free space, and labyrinth seals arranged between the drive parts of the motor and the contaminant-free space containing the storage disk.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.