Patent ID: 6520343
Filing Date: 2003-02-18
Classification: B01D,G01N

Abstract:
A filtering device for preventing passing and blocking of unwanted particles in a suspension, intended to be arranged in a sampling chamber constituting a defined space and comprising an inlet arranged to the sampling chamber for allowing entry of a sample of the suspension and an outlet arranged to the sampling chamber for allowing withdrawal of the sample, which filtering device comprises a filter means arranged in the outlet, that the filter means is arranged with at least one opening, that the size of the at least one opening permits particles of a size smaller than the at least one opening to pass through, and at least one nozzle connected to a pressurized liquid source, capable of delivering a liquid jet, and arranged adjacent said outlet, wherein the said at least one nozzle is arranged, directed and operable such that particles that engage said filter means are removed from the filter means by the liquid jet during withdrawal of the sample from the sample chamber.