Monitoring systems and methods thereof

Data processing: measuring – calibrating – or testing – Measurement system – Remote supervisory monitoring

Reexamination Certificate

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C702S047000, C702S182000

Reexamination Certificate

active

07127377

ABSTRACT:
A monitoring method to monitor efficiency of air-blowing devices in a ventilation system. First, an optimal system curve is provided. Then, the air-blowing devices are activated with a first current frequency to obtain a first fan performance curve of the air-blowing devices according to the first current frequency and a test record. Next, first flow rates of the air-blowing devices are detected, and first system curves and efficiencies of the air-blowing devices are obtained by comparing the first flow rates with the first fan performance curve.

REFERENCES:
patent: 5551419 (1996-09-01), Froehlich et al.
patent: 5938527 (1999-08-01), Oshima et al.

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