Patent ID: 7264019

Claim:
A controlled-flow hydraulic distributor, comprising: a cylindrical internally hollow body ( 2 ), exhibiting an inlet chamber ( 3 ) for a fluid and an outlet chamber ( 4 ); a cursor ( 7 ) associated to the hollow body ( 2 ) and mobile therein between a non-operative position in which the cursor ( 7 ) interrupts passage of the fluid from the inlet chamber ( 3 ) to the outlet chamber ( 4 ) and at least an operative position in which the cursor ( 7 ) allows passage of the fluid; a linear actuator ( 8 ), operatively associated to the cursor ( 7 ), for moving the cursor ( 7 ) in a direction (A) between the operative position and the non-operative position; elastic means ( 11 ) associated to the cursor ( 7 ); and a closing element ( 12 ) mobile in the inlet chamber ( 3 ); characterized in that the closing element ( 12 ) is associated to the elastic means ( 11 ) and is mobile between a first position in which it closes off the inlet chamber ( 3 ) and a second position in which it permits passage of fluid from the inlet chamber ( 3 ) to a second opening ( 3 b ); the inlet chamber ( 3 ) comprising the second opening ( 3 b ), which is connected directly or indirectly to a second inlet chamber ( 20 ), and an antechamber ( 3 a ) into which fluid is supplied via an external organ; the closing element ( 12 ) being interpositioned between the antechamber ( 3 a ) and the second opening ( 3 b ).