Grooved seat for hydraulic or pneumatic valve or flap valve and system equipped with such a seat

摘要

The hydraulic or pneumatic valve or flap valve seat includes a plurality of grooves passing through it and forming paths for the penetration of the fluid when the flap valve or the valve is in the closed state, the cross-section of each said groove being sufficiently small to allow only a negligible flow of the fluid through the seat (2). Application to hydraulic or pneumatic systems such as a damper for a vehicle. <IMAGE>