Analysis of the Hydrodynamic Lubrication Characteristics of the External Return Spherical Bearing Pair of an Axial Piston Pump/Motor

Figure 1

Structure of the balanced double-row axial piston pump.1: external slipper pair; 2: external swash plate; 3: pump shaft; 4: framework oil seal; 5: internal swash plate; 6: internal retainer plate; 7: internal piston pump; 8: external spherical hinge; 9: external retainer plate; 10: juncture; 11: compressed spring; 12: external piston pump; 13: cylinder block; 14: valve plate.

(a)

(b)