Patent ID: 7767086
Filing Date: 2010-08-03
Classification: B01D,F02B,Y02T

Abstract:
1. A filter element, comprising: a filter medium with opposite first and second end areas surrounding a longitudinal axis; first and second end caps coupled to said first and second end areas, respectively, by cement beds forming an insulating layer between each said end cap and the respective end area, said end caps having major planes extending generally perpendicularly to said longitudinal axis; a support tube supporting said filter medium on one side of said filter medium; and contact pins on at least said first end cap for dissipating electrostatic charges occurring in filter element operation, said contact pins penetrating the respective cement bed making dissipative contact with said filter medium, each of said contact pins having opposite end portions with one end portion penetrating the respective cement bed and fixedly connected to said first end cap separately from the respective cement bed and the other end portion being a free end portion extending generally parallel to said longitudinal axis from said first end cap.