Nutating pump, control system and method of control thereof

Details Nutating pump, control system and method of control thereof Nutating pump, control system and method of control thereof

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 49/00 (2006.01) F04B 13/00 (2006.01) F04C 14/00 (2006.01)

Patent

CA 2435869

A fluid dispense system having a computer control system that operatively controls a stepper motor driving a pump. The stepper motor actuates the pump piston through partial revolutions. The computer control system determines flee number of stepper motor steps required to pump a desired amount of fluid by the pump by rotating the piston through segments which are less than a full revolution. Further, the controller varies the speed of the stepper motor to avoid splashing of the dispense fluid and motor stalling.

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