Patent ID: 7866963

Claim:
A variable delivery vane pump, for oil, the pump comprising: a rotor, said rotor being mounted to turn about a determined longitudinal axis, of its, and to present a plurality of grooves outwardly radially open at a surface coaxial to said axis; a stator, said stator extending about the rotor, and being eccentrically mounted with respect to the rotor itself; a plurality of vanes each of said vanes being slidingly mounted inside a respective one of said groove, each of said vanes presenting an outer edge facing the stator; an adjustor said adjustor selectively controlling the eccentricity between the rotor and the stator; and at least one sliding element, said sliding element being arranged between the stator and the outer edges of the vanes, and extending about the axis according to an angle smaller than 360°; and said sliding element having a projection, said projection being disposed to engage one of said vanes.