Pumps – Condition responsive control of pump drive motor – By control of electric or magnetic drive motor
Reexamination Certificate
2006-12-11
2010-12-21
Kramer, Devon C (Department: 3746)
Pumps
Condition responsive control of pump drive motor
By control of electric or magnetic drive motor
C417S044100, C417S045000, C210S167100, C004S508000, C004S509000
Reexamination Certificate
active
07854597
ABSTRACT:
A pumping system for moving water of a swimming pool includes a water pump, a variable speed motor, and an arrangement for controlling the variable speed motor. The pumping system further includes an auxiliary device operably connected to the arrangement for controlling, and an arrangement for providing two-way communication between the arrangement for controlling and the auxiliary device. The arrangement for controlling is capable of receiving a parameter from the auxiliary device through the arrangement for providing two-way communication. In one example, the arrangement for controlling is capable of independently controlling the variable speed motor without receipt of a parameter from the auxiliary device. In addition or alternatively, the arrangement for controlling is operable to selectively alter operation of the motor based upon the parameter. In addition or alternatively, the arrangement for controlling is configured to optimize a power consumption of the variable speed motor over time based upon the parameters received. A method for controlling the pumping system is also provided.
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“Better, Stronger, Faster;” Pool & SPA News, Sep. 3, 2004; pp. 52-54, 82-84, USA.
Berthelsen Lars Hoffmann
Brown Edward
Clack Kenneth N.
Dunn Dennis
Hruby Daniel J.
Danfoss Low Power Drives
Greenberg & Traurig, LLP
Kramer Devon C
Pentair Water Pool and Spa, Inc.
Weinstein Leonard J
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