Patent ID: 6260678
Filing Date: 2001-07-17
Classification: F16F

Abstract:
A base valve assembly for regulating the flow of fluid through a twin-tube fluid vehicle damper, said assembly comprising:a cylinder end having opposing compression and rebound surfaces;inner and outer annular seats extending from said compression surface defining an annular channel therebetween;at least one fluid passageway connecting said annular channel and said rebound surface for providing fluid communication therebetween;a blow-off valve having a hollow cylindrical portion with a flange extending transversely from an end thereof with said flange adjacent said annular seats when said blow-off valve is in a closed position, said blow-off valve movable to an open position away from said compression surface;a low speed compression bypass valve interposed between said annular channel and said blow-off valve for permitting fluid to exit said annular channel past said blow-off valve when said blow-off valve is in said closed position;a connector for securing said blow-off valve to said cylinder end; anda helical spring interposed between said connector and said blow-off valve for biasing said blow-off valve to said closed position,wherein said cylinder end includes a central bore located interiorly of said inner annular seat, and said connector comprises a rivet partially disposed within said bore and said cylindrical portion for securing said blow-off valve to said cylinder end.