Thermally stabilized enclosure for magnetic disk
CA 1059622 A · Owner: Control Data Corporation · Inventors: Elsing, John W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a magnetic memory storage device an enclosure is provided to contain the disk pack assembly and the recording head carrying arms the, enclosure being adapted for supplying filtered cooling air thus eliminating, heat generated in the operation of the equipment; and for reducing temperature gradients between the components within the enclosure. The spinning disks of the disk pack act as a centrifugal air pump and a shroud forming part of the enclosure is spirally shaped to increase the air flow through a sized air inlet thus reducing warmup time. This basic flow pattern is enhanced by the addition of two lesser air flow patterns from above the, pack and from below the pack around the drive …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted July 31, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 31, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.