Page 127 - Fluid Power Engineering
P. 127
Hydraulic Pumps 101
FIGURE 4.11 Classifi cations of hydraulic pumps.
slides on the port plate, which includes two kidney-shaped control
openings (see Fig. 4.13).
The driving shaft rotates around a horizontal axis while the axis of
rotation of the cylinder block is inclined by an angle, α. The cylinder
block inclination forces the pistons, which rotate with the cylinder
1. Drive shaft, 2. Disk, attaching pistons, 3. Cylinder block,
4. Piston, 5. Port plate
FIGURE 4.12 Illustration of a bent axis axial piston pump of conical pistons.

