Mass flow rate control system and method
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United States of America Patent
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Apr 13, 1993
Grant Date -
N/A
app pub date -
Jun 5, 1991
filing date -
Jun 5, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method of controlling an electronically commutated motor (ECM) driving a blower to maintain the mass flow rate of the blower at a desired value. A microprocessor-based controller unit derives a motor control signal from just two inputs, namely the desired mass flow rate and a speed feedback signal representing the actual shaft speed of the ECM.
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