Imperforate bowl: centrifugal separators – Rotatable bowl – Material of bowl wall
Patent
1991-11-18
1994-01-18
Simone, Timothy F.
Imperforate bowl: centrifugal separators
Rotatable bowl
Material of bowl wall
494 16, 494 82, B04B 504
Patent
active
052795381
ABSTRACT:
A centrifuge rotor is characterized by a portion of the undersurface thereof being removed to define a predetermined number of bosses, each with a sample receiving cavity therein. A relatively thin skirt portion extends between at least one pair of adjacent bosses. The skirt portion has defined thereon a localized region which exhibits a stress therein that is greater than the stress present in any other portion of the rotor when the rotor is operating at the predetermined operating speed. The skirt may have a weight thereon. The weight may be either separate from or formed integrally with the skirt. Additionally or alternatively, a stress riser, in the form of one or a pair of hole(s), notch(es) or groove(s), may be defining on the skirt. Over operation time, the probability that rotor failure will occur only in the localized region of the skirt is enhanced.
REFERENCES:
patent: 3101322 (1963-08-01), Stallman et al.
patent: 3662619 (1972-05-01), Seeliger
patent: 3990633 (1976-11-01), Stahl et al.
patent: 4111067 (1978-09-01), Hodson
patent: 4132130 (1979-01-01), Schneider
patent: 4449966 (1984-05-01), Piramoon
patent: 4477226 (1984-10-01), Carreno
patent: 4507047 (1985-03-01), Coons
patent: 4509896 (1985-04-01), Linsker
patent: 4547185 (1985-10-01), Hellekant
patent: 4568325 (1986-02-01), Cheng et al.
patent: 4568325 (1986-02-01), Cheng et al.
patent: 4586918 (1986-05-01), Cole
patent: 4693702 (1987-09-01), Carson et al.
patent: 4753630 (1988-06-01), Romanauskas
patent: 4753631 (1988-06-01), Romanauskas
patent: 4817454 (1989-04-01), Schopf et al.
patent: 4822330 (1989-04-01), Penhasi
patent: 4824429 (1989-04-01), Keunen et al.
Alexander Reginold L.
E. I. Du Pont de Nemours and Company
Simone Timothy F.
LandOfFree
Centrifuge rotor having a predetermined region of failure does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Centrifuge rotor having a predetermined region of failure, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Centrifuge rotor having a predetermined region of failure will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1132651