Patent ID: 6223809
Filing Date: 2001-05-01
Classification: F28G

Abstract:
Apparatus for eliminating balls (B) for cleaning the tubes of a heat exchanger, condenser or the like from a coolant line(7), comprisingthe coolant line (7) having a wall (7a),a screen (2) being fixed to the wall (7a) of the coolant line (7) and being located in an outlet area of the heat exchanger,the screen (2) being able to cover a free cross-section of the coolant line (7) for collecting the balls (6) andprogressively restricting the free cross-section of the coolant line (7) for the collection of the balls (6) in a cooling medium flow direction anda removal line (3),positioned in the flow direction of the cooling medium behind the screen (2) in such a way thatthe balls (6) collected by the screen (2) are passed into the removal line (3) and leave the coolant line (7) via the removal line (3),the screen (2) passing in funnel-shaped manner from the wall (7a) of the coolant line (7) to an open end of the removal line (3),openings (4) for the outlet of the cooling medium being located in the removal line (3) in the coolant line (7),characterized in thatthe openings (4) in the removal line (3) extend from the open end of the removal line (3),the openings (4) are formed in a circular wall of the open end of the removal line(3) andthe openings (4) extend in an axial direction of the removal line (3).