Hydraulic ComponentsPump FunctionsCreate FlowMaintain Flow
against LoadLoad Flow = PressureVolume Under Pressure PerUnit of
Time GPM@PSI
Hydraulic ComponentsPump Construction TypesGear
PistonVaneRotorLobe
Pump Construction TypesGear Pump TypesExternal Gear w/o
glandsExternal Gear w/ glandsInternal Gear (Crescent)Maybe w/ or
w/o glandsGerotor (Modified Int. Gear/Rotor)Note 1: 2nd of this
video is GerotorNote 2: Click on each brown type above for
demos
Pump Construction TypesGear Pump TypesExternal Gear w/
glands
Hydraulic ComponentsPump Construction TypesGear
PistonVaneRotorLobe
Pump Construction TypesPiston Pump TypesRadial (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
Pump Construction TypesPiston Pump TypesRadial (John Deere and
Massey)High Capacity (GPM) Double Pump for: Construction
Equipment
Pump Construction TypesPiston Pump TypesAxial (Pressure
Compensated)Axial (Cylindrical Energy Module)(Scroll down for live
animation)Axial (Wolfhart Principle)Notes: Click on each brown type
above for demosClick On: Animated Pump Glossary for reference
Hydraulic ComponentsPump Construction TypesGear
PistonVaneRotorLobe
Pump Construction TypesVane Pump TypesUnbalanced
GeometryBalanced Geometry (Dual/Triple Element)Balanced
PressureUnbalanced PressureVariable DisplacementNote: Click on each
brown type above for demosSummary of Vane pump AdvantagesPressure
ports leading under vanes to balance pressure
Vane Balanced PressurePressure ports leading under vanes to
balance pressure
Vane Unbalanced Pressure
Hydraulic ComponentsPump Construction TypesGear PistonVaneRotor
(Gerotor) click on brown typeLobe (External)
Hydraulic ComponentsPump Construction TypesGear
PistonVaneRotorLobe (Not Gear Teeth) click on brown type
