Constant flow fluid pump
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United States of America Patent
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-
May 8, 2001
Grant Date -
N/A
app pub date -
Feb 2, 1999
filing date -
Feb 2, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention is a means and method for providing constant output flow from a fluid pump. The invention does this by controlling the radial speed of the pump motor during discreet segments of the motor's 360.degree. angular/radial path through a revolution of the pump. The electric pump motor is controlled throughout the 360.degree. radial path by employing a control means for controlling the speed of actuation of the radial steps of a stepper motor throughout the 360.degree. path of rotation of the stepper motor. Control means for controlling the speed of the discreet steps of the stepper motor comprises at least a memory means, a counting means and an amplification means.
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