Tuesday, December 29, 2020

Gear Pump Closed Loop Pressure Control

 


Using a leftover pendulum motor controller, Moog brushless motor scavenged from the Media Lab years ago, and gear pump from ebay to play with closed-loop pressure control.  Pressure plotted on the computer screen (and shown on the gauge), pressure setpoint stepped up and down, and a needle valve used as a variable load.

Internals of the gear pump:  Food-grade, stainless body with PEEK/CF gears and bushings:



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