Patent ID: 7581562
Filing Date: 2009-09-01
Classification: F15B,Y10T

Abstract:
1. A hydraulic distributor comprising: a distributor body ( an intake port (P) for pressurized hydraulic fluid which port is intended to be connected to a source of pressurized hydraulic fluid, a return port (T) for returning fluid to a reservoir, at least two working ports (A, B) each of which is intended to be connected to at least one hydraulic receiver to supply and return the fluid, a slide ( a passage ( regulating means ( a supply bridge ( two main nonreturn valves ( characterized in that the distributor ( 1 ) further comprises two secondary nonreturn valves ( 40 , 41 ) which are respectively mounted in the longitudinal channels ( 33 , 34 ) upstream of the heads ( 31 , 32 ) of the main nonreturn valves ( 25 , 26 ), and in that the secondary valves are connected to torque slits ( 50 , 51 ) which open into the bore ( 4 ) in which the slide ( 8 ) moves, each of these slits being connected, at least in one position of the slide ( 8 ), to one branch of the supply bridge ( 20 ).