Patent ID: 8813542
Filing Date: 2014-08-26
Classification: G01N

Abstract:
1. A pressurized device comprising: (a) a pressure vessel, (b) a movable piston without fluid passing through its center inside of said pressure vessel dividing said pressure vessel into at least one chamber filled with a pressurization fluid and one chamber filled with a sample, (c) a seal means in contact with said movable piston and said pressure vessel, (d) a rotating shaft at least partially located inside of said pressure vessel, (e) a hole in said movable piston allowing said rotating shaft to pass through said movable piston, (f) another seal in contact with said movable piston and said rotating shaft that prevents fluid exchange between said chamber filled with a pressurization fluid and said chamber filled with a sample, (g) a magnetic drive means to drive said rotating shaft to rotate, whereas wherein at least one magnet of said magnetic drive means is located inside said chamber filled with said pressurization fluid.