Disk drive lubricant reservoir

Details Disk drive lubricant reservoir Disk drive lubricant reservoir

1991-07-19

1992-08-11

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9702, 428695, G11B 3314, G11B 572

Patent

active

051385066

ABSTRACT:
A lubricant reservoir for a vapor transport type rigid magnetic disk drive lubricant system includes a metal heat sink that presents a finned surface at the side exposed to the outside environment. A second surface within the sealed head-disk enclosure cooperates with a thermal heat transfer resisting wall portion to form a duct. A lubricant reservoir is retained against the heat sink surface within the duct. The reservoir assembly is secured to the head-disk enclosure wall by mounting tape that not only seals the enclosure, but thermally isolates the reservoir assembly from the enclosure wall. The reservoir assembly is further positioned adjacent the disk assembly of the drive such that disk rotation induces an air flow through the reservoir duct and in contact with the lubricant reservoir to effect vapor transport between said reservoir and disks to maintain a proper molecular layer of lubricant on the disk surfaces which are always maintained at a temperature greater than the reservoir during disk drive operation.

REFERENCES:
patent: 3655441 (1972-04-01), Kefalas
patent: 4315288 (1982-02-01), Bernett et al.
patent: 4489356 (1984-12-01), Farmer
patent: 4789913 (1988-12-01), Gregory et al.

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