US 7,445,125 B2
Method and apparatus for separating fluid components
James R. Ellsworth, Marshfield, Mass. (US); Paul McGovern, Hanson, Mass. (US); and Mark L. Kibbe, Carver, Mass. (US)
Assigned to Harvest Technologies Corporation, Plymouth, Mass. (US)
Appl. No. 10/538,323
PCT Filed May 19, 2004, PCT No. PCT/US2004/015654
§ 371(c)(1), (2), (4) Date Jun. 10, 2005,
PCT Pub. No. WO2004/104553, PCT Pub. Date Dec. 02, 2004.
Claims priority of provisional application 60/471352, filed on May 19, 2003.
Prior Publication US 2006/0151384 A1, Jul. 13, 2006
Int. Cl. B04B 1/00 (2006.01)
U.S. Cl. 210—518  [494/67; 422/101] 23 Claims
OG exemplary drawing
 
1. A disk assembly for use in centrifugation comprising first and second elements arranged for relative movement and made of materials having respective densities such that said first element floats above said second element in a fluid, and said second element assumes a predetermined position in said fluid, and a pin extending from said first element and carrying said second element.