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    Pump cloud-based management and control technique customized hydronic components
    11.
    发明授权
    Pump cloud-based management and control technique customized hydronic components 有权

    公开(公告)号：US10920769B2

    公开(公告)日：2021-02-16

    申请号：US15812555

    申请日：2017-11-14

    Applicant: FLUID HANDLING LLC.

    Inventor： Florin Rosca ,  James J. Gu ,  Taifur Rahman

    IPC: F04B49/20 ,  F04D15/00 ,  F04D13/06 ,  G05B19/05 ,  F04B49/06 ,  F04B51/00 ,  G05B23/02

    Abstract: A pumping system featuring a pump, motor, a bearing assembly, integrated data acquisition system and combined programmable logic controller (PLC), data acquisition and modem. The pump couples to a pump shaft that responds to a pump shaft force to pump a liquid. The motor couples to the pump shaft, responds to VFD/VSD control signaling and provides the pump shaft force to drive the pump shaft. The bearing assembly includes a bearing with the pump shaft arranged therein and couples the pump and the motor. The variable frequency/speed drive (VFD/VSD) receives PLC control signaling and provides the VFD/VSD control signaling to drive the motor. The integrated data acquisition system responds to PLC data acquisition signaling, and provides integrated data acquisition system signaling containing information about an integrated set of pumping system parameters related to the pump, the bearing assembly, the motor and the VFD/VSD in the pump system. The combined programmable logic controller (PLC), data acquisition and modem provides the PLC data acquisition signaling and receive the integrated data acquisition signaling, provides PLC data acquisition modem signaling that exports performance data to the Internet to allow remote manual monitoring of the pump system, and provides the PLC control signaling to control the VFD/VSD and operate the pumping system as a controlled, closed loop system.

    Variable speed pumping control system with active temperature and vibration monitoring and control means
    12.
    发明授权
    Variable speed pumping control system with active temperature and vibration monitoring and control means 有权

    公开(公告)号：US10823176B2

    公开(公告)日：2020-11-03

    申请号：US16535773

    申请日：2019-08-08

    Applicant: FLUID HANDLING LLC

    Inventor： James J. Gu ,  Andrew A. Cheng

    IPC: F04B49/20 ,  F04D15/00 ,  F04D15/02

    Abstract: Apparatus, including a pump system, features a controller having a signal processor or processing module configured to: receive signaling containing information about a relationship between frequencies of pump vibration resonances detected around critical pump speeds and a 3-dimensional pump vibration power spectrum in the frequency domain with respect to pump speed and pump temperature change differences; and determine corresponding signaling containing information to adjust the pump speed to avoid the pump vibration resonances around the critical pump speeds, based upon the signaling received. The signal processor or processing module is also configured to provide the corresponding signaling as control signaling to adjust the pump speed.

    Smart algorithm to determine “steam boiler water condition”
    13.
    发明授权
    Smart algorithm to determine “steam boiler water condition” 有权

    公开(公告)号：US10429063B2

    公开(公告)日：2019-10-01

    申请号：US15417612

    申请日：2017-01-27

    Applicant: Fluid Handling LLC

    Inventor： Pratik N. Shah ,  James J. Gu

    IPC: F22B35/18

    Abstract: A technique for determining a boiler water condition includes a boiler controller (aka PSE unit) having a signal processor that implements a boiler control algorithm to receive signaling containing information about sets of N consecutive probe data samples related to a boiler water condition; determine stable average signaling containing information about a stable average by averaging a set of N consecutive probe data samples in the signaling received; determine present stable average signaling containing information about a present stable average by averaging a present set of N consecutive probe data samples in the signaling received; and determine corresponding signaling containing information about the boiler water condition, based upon whether the present stable average is within an allowable limit and a comparison of the present and previous stable average signaling determined.

    Dynamic linear control methods and apparatus for variable speed pump control
    15.
    发明授权
    Dynamic linear control methods and apparatus for variable speed pump control 有权

    公开(公告)号：US10048701B2

    公开(公告)日：2018-08-14

    申请号：US13717086

    申请日：2012-12-17

    Applicant: Fluid Handling LLC

    Inventor： Andrew A. Cheng ,  James J. Gu ,  Graham A. Scott

    IPC: G06F19/00 ,  G05D7/06 ,  F04D15/00

    Abstract: Apparatus, such as a pump controller, features a signal processor configured at least to: receive signaling containing information about a linear set point control curve based at least partly on an adaptive set point control curve related to fluid being pumped by a pump in a pumping system, and determine a control set point based at least partly on the signaling received. The signal processor may be configured to provide a control signal containing information to control the pump based on the control set point determined.

    Mixed theoretical and discrete sensorless converter for pump differential pressure and flow monitoring
    17.
    发明授权
    Mixed theoretical and discrete sensorless converter for pump differential pressure and flow monitoring 有权

    公开(公告)号：US09611856B2

    公开(公告)日：2017-04-04

    申请号：US14187817

    申请日：2014-02-24

    Applicant: Fluid Handling LLC.

    Inventor： Andrew A. Cheng ,  Graham A. Scott ,  James J. Gu

    IPC: G05B19/00 ,  F04D15/00

    CPC classification number: F04D15/0066 ,  F04D15/0088

    Abstract: The present invention provides apparatus featuring a signal processor or processing module that may be configured at least to: process signaling containing information about an equilibrium point of pump differential pressure and system pressure formulated in a hydronic domain by utilizing pump and system characteristic curve equations so as to yield system pressure and flow rate at any particular load and time in a pump hydronic system, including using a multi-dimensional sensorless conversion technique; and determine equivalent hydronic system characteristics associated with the pump differential pressure and flow rate to their corresponding motor power and speed reconstructed and remapped by using a discrete numerical approach, based at least partly on the signaling received. The signal processor or processing module may provide corresponding signaling containing information about the system pumping flow rate and pressure determined.

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