Patent ID: 7694786

Claim:
A damping valve comprising: a damping valve body with at least one though channel having an outlet area; a first cover disk covering the outlet area and having at least one hole; a nonreturn valve disk supported on the first cover disk and having a clamping surface with at least one notch and a cover area which extends over the at least one hole and is deformable with respect to the clamping surface in a direction away from the first cover disk such that flow of damping medium is enabled in one direction though said at least one hole and flow of damping medium is blocked in the opposite direction though said at least one hole, wherein the nonreturn valve disk comprises a central opening and a plurality of centering webs extending radially into said opening, said centering webs centering said nonreturn valve disk with respect to said damping valve body; and a second cover disk formed as a disk spring which loads the nonreturn valve disk toward the first cover disk, the disk spring and the cover area of the nonreturn valve disk forming a ring-shaped space, the notch forming an outlet connection of the ring-shaped space, wherein the enabled flow of damping medium flows through the though channel, the at least one hole, the ring-shaped space, and the notch, while the disk spring holds the clamping surface.