adjustable pump vane的用法和样例：
- Flexible set cycloid gear pump rotor pump vane pump with the advantages of a similar volume than pump more than 10% efficiency.
- High load applied to the piston pump vane pump and the hydraulic system, as well as middle - and high-load of construction machinery, equipment and vehicles imported hydraulic system lubrication.
- The inlet to the pump is located near the center so that fluid returning from the radiator hits the pump vanes.
- This device operates similarly to the vane pump.