Labyrinth seal for minimizing flow gradients leading to aerosoli

Details Labyrinth seal for minimizing flow gradients leading to aerosoli Labyrinth seal for minimizing flow gradients leading to aerosoli

1998-02-17

2000-07-18

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

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277 57, G11B 3314, F02F 1100

Patent

active

060915684

ABSTRACT:
An improved labyrinth seal for minimizing flow gradients leading to aerosoling of contaminants external to the labyrinth seal. The labyrinth seal that uses a pattern of gradient elements formed on a labyrinth plate to direct flow away from the labyrinth seal itself. The gradient elements may be grooves for directing flow gradients away from the labyrinth seal. The grooves may be coined into surface and may have a curvature for drawing the flow gradient away from the labyrinth seal. The gradient elements may alternatively include an outgrowth for directing flow gradients away from the labyrinth seal. The gradient elements may be formed on the surface for directing flow gradients from the outer diameter to the inner diameter or for directing flow gradients from the inner diameter to the outer diameter. The gradient elements control the magnitude of the flow away from the labyrinth seal.

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