CA2856447C - Dynamic linear control methods and apparatus for variable speed pump control - Google Patents

Dynamic linear control methods and apparatus for variable speed pump control Download PDF

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Publication number
CA2856447C
CA2856447C CA2856447A CA2856447A CA2856447C CA 2856447 C CA2856447 C CA 2856447C CA 2856447 A CA2856447 A CA 2856447A CA 2856447 A CA2856447 A CA 2856447A CA 2856447 C CA2856447 C CA 2856447C
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Canada
Prior art keywords
set point
control
flow rate
adaptive
partly
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CA2856447A
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English (en)
French (fr)
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CA2856447A1 (en
Inventor
Andrew A. CHENG
James J. GU
Graham A. Scott
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Fluid Handling LLC
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Fluid Handling LLC
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Publication of CA2856447A1 publication Critical patent/CA2856447A1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1012—Arrangement or mounting of control or safety devices for water heating systems for central heating by regulating the speed of a pump
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Feedback Control In General (AREA)
  • Flow Control (AREA)
CA2856447A 2011-12-16 2012-12-17 Dynamic linear control methods and apparatus for variable speed pump control Active CA2856447C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161576737P 2011-12-16 2011-12-16
US61/576,737 2011-12-16
PCT/US2012/070138 WO2013090907A1 (en) 2011-12-16 2012-12-17 Dynamic linear control methods and apparatus for variable speed pump control

Publications (2)

Publication Number Publication Date
CA2856447A1 CA2856447A1 (en) 2013-06-20
CA2856447C true CA2856447C (en) 2019-06-04

Family

ID=48613272

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2856447A Active CA2856447C (en) 2011-12-16 2012-12-17 Dynamic linear control methods and apparatus for variable speed pump control

Country Status (7)

Country Link
US (1) US10048701B2 (enExample)
EP (1) EP2791750B1 (enExample)
CN (1) CN104024965B (enExample)
CA (1) CA2856447C (enExample)
IN (1) IN2014CN04206A (enExample)
RU (1) RU2611071C2 (enExample)
WO (1) WO2013090907A1 (enExample)

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Also Published As

Publication number Publication date
US10048701B2 (en) 2018-08-14
EP2791750A4 (en) 2015-10-21
WO2013090907A1 (en) 2013-06-20
RU2611071C2 (ru) 2017-02-21
CA2856447A1 (en) 2013-06-20
CN104024965B (zh) 2018-02-13
RU2014121778A (ru) 2016-02-10
IN2014CN04206A (enExample) 2015-07-17
CN104024965A (zh) 2014-09-03
US20140005841A1 (en) 2014-01-02
EP2791750B1 (en) 2020-05-06
EP2791750A1 (en) 2014-10-22

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