Patent ID: 6530481
Filing Date: 2003-03-11
Classification: B07B,D21D

Abstract:
A pressure screen separating a liquid mixture containing undesired coarse contaminants, comprising:a screen housing forming a cylindrical screen chamber having a first diameter, an inlet housing directly connected to said screen housing and forming a cylindrical inlet chamber having a second diameter, said second diameter being less than said first diameter, an inlet member positioned on said inlet housing for supplying the liquid mixture to be separated substantially tangentially into said cylindrical inlet chamber, and at least one outlet member positioned on said inlet housing for discharging the coarse contaminants from said cylindrical inlet chamber, said cylindrical inlet chamber being in fluid communication with said screen chamber by means of an axial passage directly connecting said cylindrical inlet chamber with said screen chamber, said axial passage having a third diameter, said third diameter corresponding to said second diameter.