Rotor having frangible projections thereon

Details Rotor having frangible projections thereon Rotor having frangible projections thereon

1986-08-04

1987-09-15

Jenkins, Robert W.

Imperforate bowl: centrifugal separators

Rotatable bowl

Including housing for bowl

494 1384, B04B 702, B04B 1502, B04B 910

Patent

active

046937021

ABSTRACT:
A centrifuge rotor is provided with a pair of projections frangibly connected thereto. As the rotor reaches a predetermined speed the projections simultaneously fracture forming projectiles which puncture the evacuated chamber in which the rotor is mounted. Ambient air is drawn into the chamber, thereby windage limiting the speed of the rotor. The projections are each sized and positioned to impart a total unbalance less than the multiplication product of 0.5 gram-inches times the weight of the rotor.

REFERENCES:
patent: 3961745 (1976-06-01), Wright
patent: 3990633 (1976-11-01), Stahl et al.
patent: 4054243 (1977-10-01), Volkov et al.
patent: 4226669 (1980-10-01), Vilardi
patent: 4244513 (1981-01-01), Fayer
patent: 4568325 (1986-02-01), Cheng et al.

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