1. Advanced Hydraulics Don Gilliland

2. Hydraulic Components Reservoirs Accumulators Pumps Valves Actuators Conductors

3. Hydraulic Components Pump Functions Create Flow Maintain Flow against Load Load  Flow = Pressure Volume Under Pressure Per Unit of Time  GPM@PSI

4. Hydraulic Components Pump Construction Types Gear Piston Vane Rotor Lobe

5. Pump Construction Types Gear Pump Types External Gear w/o glands External Gear w/ glands Internal Gear (Crescent) Maybe w/ or w/o glands Gerotor (Modified Int. Gear/Rotor) Note 1: 2 nd ½ of this video is Gerotor Note 2: Click on each brown type above for demos

6. Pump Construction Types Gear Pump Types External Gear w/ glands

7. Hydraulic Components Pump Construction Types Gear Piston Vane Rotor Lobe

8. Pump Construction Types Piston Pump Types Radial (John Deere and Massey) Radial (Push In) Axial (Bent Axis) Axial (Swash Plate) Axial (Wobble Plate) Note: Click on each brown type above for demos

9. Pump Construction Types Piston Pump Types Radial (John Deere and Massey) High Capacity (GPM) Double Pump for: Construction Equipment

10. Pump Construction Types Piston Pump Types Axial (Pressure Compensated) Axial (Cylindrical Energy Module) (Scroll down for live animation) Axial (Wolfhart Principle) Notes: 1. Click on each brown type above for demos 2. Click On: Animated Pump Glossary for reference Click On: Animated Pump Glossary for reference

11. Hydraulic Components Pump Construction Types Gear Piston Vane Rotor Lobe

12. Pump Construction Types Vane Pump Types Unbalanced Geometry Balanced Geometry (Dual/Triple Element) Balanced Geometry Balanced Pressure Unbalanced Pressure Variable Displacement Note: Click on each brown type above for demos Summary of Vane pump Advantages Pressure ports leading under vanes to balance pressure

13. Vane Balanced Pressure Pressure ports leading under vanes to balance pressure

14. Vane Unbalanced Pressure

15. Hydraulic Components Pump Construction Types Gear Piston Vane Rotor (Gerotor) click on brown type Rotor (Gerotor) Lobe (External)

16. Hydraulic Components Pump Construction Types Gear Piston Vane Rotor Lobe (Not Gear Teeth) click on brown type Lobe (Not Gear Teeth)

17. Hydraulic Components Pumps Review Next Valves THE END