Storage vessel

Details Storage vessel Storage vessel

1990-12-26

1993-07-13

Brittain, James R.

Supports: cabinet structure

With movable components

Continuously housed

2482065, 384446, A47B 9500

Patent

active

052267130

ABSTRACT:
A storage vessel maintaining clean environment for storing articles such as semiconductor wafers includes a plurality of receiver fixed to a shaft for horizontal rotation. The receivers support carriers having the articles therein. Both thrust and radial bearings supporting the shaft are of a non-contacting magnetic type. The shaft is driven by a motor with a rotor fixed to the shaft and a stator facing the rotor. The vessel may have a vacuum or be charged with inert gas.

REFERENCES:
patent: 2044518 (1936-06-01), Thorstensen
patent: 2346914 (1944-04-01), Drucker
patent: 3000379 (1961-09-01), Viers
patent: 3650039 (1972-03-01), Harding
patent: 3811740 (1974-05-01), Sacerdoti et al.
patent: 4250666 (1981-02-01), Rakestraw
Technische Rundschau, vol. 80, No. 22, May 27, 1988, pp. 64-66; Traxler & Salm; `Aktive magnetische Rotorlagerung`.

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