| 摘要 |
PROBLEM TO BE SOLVED: To provide a vane pump capable of controlling a discharge amount by a single device itself.SOLUTION: A vane pump 10 according to this invention includes a first driveshaft 101, a second driveshaft 105 connected via a torsion bar 103 to the first driveshaft 101, a rotor 22 connected to the second driveshaft 105 and adapted to be rotated with the second driveshaft 105, a plurality of vanes 24 provided on the rotor 22, a cam ring 30 arranged encircling the rotor 22 and the plurality of vanes 24, and a sleeve 107 using the torsion of the torsion bar 103 for changing the amount of operating oil to be carried by the vanes 24.SELECTED DRAWING: Figure 2 |
