System for increasing flow uniformity

Details System for increasing flow uniformity System for increasing flow uniformity

1994-09-12

1998-02-10

Thorpe, Timothy

Pumps

Condition responsive control of pump drive motor

Responsive to change in rate of pump fluid flow

417 53, F04B 4900

Patent

active

057161941

ABSTRACT:
A pumping mechanism moving in movement increments is controlled to space those movement increments in direct proportion to the volume resulting from each movement increment. In a further aspect, movement increments are grouped to result in approximately equal volumes per group. The mechanism moves continuously through the movement increments in each group. Groups are spaced to result in approximately equal flow volumes per group. The number of groups decreases as the flow rate increases. The number of movement increments in each group and the volume of each group increase as the flow rate increases.

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