| Pumping Principles | 178-183 | Fixed Displacement Vane | 190 | | Displacement | 180 | Variable Displacement Vane | 191-193 | | Fixed and Variable | 180 | Piston Type Pumps | 194-205 | | Pump Volumetric Efficiency | 181 | In-Line Axial Piston | 194-200 | | Mechanical Efficiency | 181,182 | Fixed In-Line Axial | 196-198 | | Overall Efficiency | 182 | Variable In-Line Axial | 198-200 | | Pump Pressure Rating | 183 | Bent Axis Axial | 201,202 | | Gear Type Pumps | 184-187 | Radial Piston Pump | 202-205 | | External Gear Pump | 184-186 | Radial-Rotating Block | 202,203 | | Internal Gear Pump | 186,187 | Radial-Rotating Cam | 204,205 | | Sliding Vane Pump | 188,189 | | | |
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