Patent ID: 6401755
Filing Date: 2002-06-11
Classification: F16F,Y10T

Abstract:
A damping valve comprising a damping valve body having opposed first and second sides, and a valve disk on one of said sides, said damping valve body comprisinga plurality of first axial through passages for flow in a first direction between said opposed sides, each of said first though passages lying on a circle having a first pitch and having an outlet opening on one of said sides and an inflow opening on the other of said sides, said outlet openings each having a trapezoidal cross section, said outlet openings being at least partially covered by said valve disk, and a plurality of second axial through passages for flow in a second direction between said opposed sides, said second direction being opposite to said first direction, each of said second through passages lying on a circle having a second pitch which is smaller than the first pitch and having a radial inflow opening on said one of said sides and an outlet opening on the other of said sides, each of said outlet openings of the second through passages opening into an annular channel in the other of said sides.