Imperforate bowl: centrifugal separators – Including plurality of miniature bowls distrubuted about... – Having bowls – or holders therefor – pivotaby attached to...
Patent
1985-12-11
1987-06-02
Simone, Timothy F.
Imperforate bowl: centrifugal separators
Including plurality of miniature bowls distrubuted about...
Having bowls, or holders therefor, pivotaby attached to...
494 16, B04B 502
Patent
active
046700048
ABSTRACT:
A swinging bucket centrifuge rotor including seating surfaces having shapes which cause buckets seating thereon to be relieved of side loading forces. Each bucket is symmetrical and is pivotally supported by bucket pins that rest in respective spring-loaded carrier assemblies. The spring constants of the springs of the carrier assemblies are selected so that the leading edge of each bucket bottom rests upon a curved surface and clears the respective seating surface before the trailing edge thereof contacts the same. The resulting bucket orientation assures that, upon seating, each bucket rotates until its bucket pins lift slightly off of the surfaces of the respective carrier assemblies.
REFERENCES:
patent: 4193536 (1980-03-01), Kubota
patent: 4226669 (1980-10-01), Vilardi
patent: 4342419 (1982-08-01), Conway
patent: 4435168 (1984-03-01), Kennedy
Piramoon Alireza
Sharples Thomas D.
Beckman Instruments Inc.
Harder P. R.
May W. H.
Simone Timothy F.
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