Crescent Pump Design:

A Positive Displacement Pump (PDP) with one rotating gear set inside another, separated by a crescent shaped island.

Advantages:

Positive displacement, Good suction performance, Reduced pressure ripple.

Application:

Fluid transfer, hydraulics.

PumpLinx: Solve Flows, Pressures, Cavitation, and Loads:

Discriminators:

• Able to handle complex “island” geometry
• Models cavitation
• Accurate tip leakage
• Superior treatment of rotating-stationary interfaces
• Ease-of-use
• Fast turn-around

Design Issues/Benefits:

• Gear Design
• Island Design
• Port design
• Leakage reduction
• Reduce Cavitation effects on efficiency and pump life
• Reduce Pressure ripple and noise