IT1164299B - MOTOR PUMP GROUP WITH REGULATED NUMBER OF LAPS - Google Patents

MOTOR PUMP GROUP WITH REGULATED NUMBER OF LAPS

Info

Publication number
IT1164299B
IT1164299B IT21939/83A IT2193983A IT1164299B IT 1164299 B IT1164299 B IT 1164299B IT 21939/83 A IT21939/83 A IT 21939/83A IT 2193983 A IT2193983 A IT 2193983A IT 1164299 B IT1164299 B IT 1164299B
Authority
IT
Italy
Prior art keywords
laps
pump group
motor pump
regulated number
regulated
Prior art date
Application number
IT21939/83A
Other languages
Italian (it)
Other versions
IT8321939A1 (en
IT8321939A0 (en
Inventor
Nils Due Jensen
Kurt Frank Nielsen
Bent Larsen
Original Assignee
Grundfos As
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Grundfos As filed Critical Grundfos As
Publication of IT8321939A0 publication Critical patent/IT8321939A0/en
Publication of IT8321939A1 publication Critical patent/IT8321939A1/en
Application granted granted Critical
Publication of IT1164299B publication Critical patent/IT1164299B/en

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
IT21939/83A 1982-07-06 1983-07-05 MOTOR PUMP GROUP WITH REGULATED NUMBER OF LAPS IT1164299B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3225141A DE3225141C2 (en) 1982-07-06 1982-07-06 Speed-controlled pump unit

Publications (3)

Publication Number Publication Date
IT8321939A0 IT8321939A0 (en) 1983-07-05
IT8321939A1 IT8321939A1 (en) 1985-01-05
IT1164299B true IT1164299B (en) 1987-04-08

Family

ID=6167687

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21939/83A IT1164299B (en) 1982-07-06 1983-07-05 MOTOR PUMP GROUP WITH REGULATED NUMBER OF LAPS

Country Status (5)

Country Link
JP (1) JPS5974392A (en)
DE (1) DE3225141C2 (en)
FR (1) FR2529965B1 (en)
GB (1) GB2124304B (en)
IT (1) IT1164299B (en)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2551804B1 (en) * 1983-09-12 1988-02-05 Inst Francais Du Petrole DEVICE FOR USE IN PARTICULAR FOR PUMPING A VERY VISCOUS FLUID AND / OR CONTAINING A SIGNIFICANT PROPORTION OF GAS, PARTICULARLY FOR THE PRODUCTION OF OIL
JPH0684758B2 (en) * 1984-05-18 1994-10-26 株式会社日立製作所 Water supply control method
DE3508049A1 (en) * 1985-03-07 1986-09-11 Ewald 3000 Hannover Hennel Circuit arrangement for adjusting the feed power of a circulation pump
DE3704756A1 (en) * 1987-01-29 1988-08-11 Ewald Hennel Method for adjusting the capacity of a circulating pump
DE3828207A1 (en) * 1988-08-19 1990-02-22 Oplaender Wilo Werk Gmbh DIAGNOSTIC PLUG
DE4006186C2 (en) * 1990-02-28 1996-09-26 Ewald Hennel Method for controlling the speed of a pump driven by a speed-controlled electric motor
US5240380A (en) * 1991-05-21 1993-08-31 Sundstrand Corporation Variable speed control for centrifugal pumps
DE4312150C2 (en) * 1993-04-14 1998-12-24 Ewald Hennel Method for adjusting the delivery rate of a circulation pump
DE19504232A1 (en) * 1995-02-09 1996-08-22 Grundfos As Method for limiting the performance of electrically driven heating circulation pumps
FR2730767B1 (en) * 1995-02-21 1997-04-18 Inst Francais Du Petrole METHOD AND DEVICE FOR REGULATING A POLYPHASIC PUMPING ASSEMBLY
DE19525887C2 (en) * 1995-07-15 2002-06-27 Grundfos As Process for adapting the hydraulic performance field of a centrifugal pump unit to the requirements of a heating system
DE19710675B8 (en) † 1997-03-14 2012-03-29 Wilo Se Double pump with single and synchronous operation
US8337166B2 (en) 2001-11-26 2012-12-25 Shurflo, Llc Pump and pump control circuit apparatus and method
DE10163987A1 (en) * 2001-12-24 2003-07-10 Grundfos As Method for controlling a variable speed heating circulation pump
JP4438281B2 (en) * 2002-11-15 2010-03-24 ダイキン工業株式会社 Pump driving method and apparatus
US8540493B2 (en) 2003-12-08 2013-09-24 Sta-Rite Industries, Llc Pump control system and method
US7686589B2 (en) 2004-08-26 2010-03-30 Pentair Water Pool And Spa, Inc. Pumping system with power optimization
US8469675B2 (en) 2004-08-26 2013-06-25 Pentair Water Pool And Spa, Inc. Priming protection
US8043070B2 (en) 2004-08-26 2011-10-25 Pentair Water Pool And Spa, Inc. Speed control
US8602745B2 (en) 2004-08-26 2013-12-10 Pentair Water Pool And Spa, Inc. Anti-entrapment and anti-dead head function
US7874808B2 (en) 2004-08-26 2011-01-25 Pentair Water Pool And Spa, Inc. Variable speed pumping system and method
US8480373B2 (en) 2004-08-26 2013-07-09 Pentair Water Pool And Spa, Inc. Filter loading
US8019479B2 (en) * 2004-08-26 2011-09-13 Pentair Water Pool And Spa, Inc. Control algorithm of variable speed pumping system
US7845913B2 (en) 2004-08-26 2010-12-07 Pentair Water Pool And Spa, Inc. Flow control
MX2011003708A (en) 2008-10-06 2011-06-16 Pentair Water Pool & Spa Inc Method of operating a safety vacuum release system.
US8436559B2 (en) 2009-06-09 2013-05-07 Sta-Rite Industries, Llc System and method for motor drive control pad and drive terminals
US9556874B2 (en) 2009-06-09 2017-01-31 Pentair Flow Technologies, Llc Method of controlling a pump and motor
US8564233B2 (en) 2009-06-09 2013-10-22 Sta-Rite Industries, Llc Safety system and method for pump and motor
DE102009050083B4 (en) 2009-10-20 2016-08-18 Viessmann Werke Gmbh & Co Kg Method for determining a volume flow in a closed flow system provided with a turbomachine and with a control unit
CA2820887C (en) 2010-12-08 2019-10-22 Pentair Water Pool And Spa, Inc. Discharge vacuum relief valve for safety vacuum release system
DE102011012211A1 (en) * 2011-02-23 2012-08-23 Wilo Se Optimized operation of an electric motor driven pump by positive feedback
RU2476728C1 (en) * 2011-06-28 2013-02-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный университет" Control method of turbine unit for pumping of liquids and gases
WO2013067206A1 (en) 2011-11-01 2013-05-10 Pentair Water Pool And Spa, Inc. Flow locking system and method
DE102012006444A1 (en) * 2012-03-30 2013-10-02 Wilo Se Method for operating a pump set
US9885360B2 (en) 2012-10-25 2018-02-06 Pentair Flow Technologies, Llc Battery backup sump pump systems and methods
EP2910788B1 (en) * 2014-02-25 2018-04-04 TACO ITALIA S.r.l. Method for controlling a pumping station within a fluid circulation system, related circulation system and pumping station for realizing said method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR493962A (en) * 1918-04-18 1919-08-27 Brown Method of regulating centrifugal compressors
GB189740A (en) * 1921-11-28 1923-03-08 Aktiengesellschaft Brown, Boveri & Cie
FR545942A (en) * 1922-01-16 1922-10-24 Control device for compressors and centrifugal pumps
DE2718868A1 (en) * 1977-04-28 1978-11-09 Walter Nicolai Liquid or gas pressure regulating system - uses measurement of power absorbed by compressor motor to indicate instantaneous pressure of fluid
DE2920313C2 (en) * 1979-05-19 1983-02-03 Grundfos Pumpenfabrik GmbH, 2362 Wahlstedt Temperature-controlled circulating pump for heating systems

Also Published As

Publication number Publication date
GB2124304B (en) 1985-06-05
GB2124304A (en) 1984-02-15
DE3225141C2 (en) 1984-12-20
IT8321939A1 (en) 1985-01-05
DE3225141A1 (en) 1984-02-16
GB8318212D0 (en) 1983-08-03
FR2529965B1 (en) 1989-12-22
FR2529965A1 (en) 1984-01-13
JPS5974392A (en) 1984-04-26
IT8321939A0 (en) 1983-07-05

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950616