Hydrostatic radial pocket bearing for a servo cylinder

Details Hydrostatic radial pocket bearing for a servo cylinder Hydrostatic radial pocket bearing for a servo cylinder

F - Mech Eng,Light,Heat,Weapons

16

C

F16C 32/06 (2006.01)

Patent

CA 2067073

A B S T R A C T Hydrostatic radial pocket bearing for a servo cylinder A hydrostatic radial pocket bearing for a servo cylinder is des- cribed, particularly for a high performance testing cylinder, of the kind as used, for example, in test rig or simulation technology. The radial pocket bearing is suitable for the highly precise regu- lation of the piston and for receiving large transverse forces acting on the piston rod. An even number of bearing pockets is uniformly distributed over the bearing periphery and fed from a source of pressure fluid by way of associated preliminary throttles connected to pressure supply conduits and by way of an associated connecting conduit. The preliminary throttles are formed by the bearing gap between a supply orifice and at least one outlet groove in an oppo- site bearing pocket, the bearing pocket being in the form of a re- entrant depression either in the fixed or in the moving bearing portion. To reduce loss energy caused by leakage and at the same time increase the force carrying capacity of the bearing, the pressure drop of the pressure fluid flow axially away from the bearing pocket is different on both sides.

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