Patent ID: 6645379
Filing Date: 2003-11-11
Classification: B01D

Abstract:
A filter element comprising a cylindrical support element which is permeable to a fluid to be filtered, and a filter medium fixed to said support element which retains oversize particles contained in the fluid to be filtered, wherein the filter medium is fixed to the support element in such a way that relative movement between the filter medium and support element due to fluid flow through the filter element is prevented, and wherein the filter medium:contacts without play at least 3% of a support area provided by the support element, said 3% of the support area being composed of support regions uniformly distributed over said support area; has a radial clearance tolerance with respect to a lateral surface formed by the support element and containing the support area which exceeds 0.2 mm over not more than 15% of the support area, and has a radial clearance tolerance with respect to said lateral surface which is at most 0.2 mm over at least 85% of the support area.