Disk spacer ring having air pumps

Details Disk spacer ring having air pumps Disk spacer ring having air pumps

G - Physics

11

B

352/24.31

G11B 17/038 (2006.01) G11B 17/02 (2006.01) G11B 23/00 (2006.01) G11B 33/14 (2006.01)

Patent

CA 1321643

ABSTRACT OF THE DISCLOSURE A disk pack spacer ring has formed thereon a plurality of pairs of intercommunicating scoop/pump channels which prevent formation of solid body rotation of air between closely spaced disk surfaces so that the entire space between the disk surfaces is ventilated. A scoop channel angled into the direction of rotation scoops air into the channel, and a intercommunicating pump channel angled away from the direction of rotation pumps the scooped air out in a direction opposite to disk rotation. In one embodiment, the scoop and pump channels are disposed on upper and lower surfaces of the ring and a flow through channel disposed on the inner surface of the ring connects the two.

584670

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