GB2124304B - Rotary pumps - Google Patents

Rotary pumps

Info

Publication number
GB2124304B
GB2124304B GB08318212A GB8318212A GB2124304B GB 2124304 B GB2124304 B GB 2124304B GB 08318212 A GB08318212 A GB 08318212A GB 8318212 A GB8318212 A GB 8318212A GB 2124304 B GB2124304 B GB 2124304B
Authority
GB
United Kingdom
Prior art keywords
rotary pumps
pumps
rotary
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB08318212A
Other versions
GB8318212D0 (en
GB2124304A (en
Inventor
Nils Due Jensen
Kurt Frank Nielsen
Bent Larsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Grundfos AS
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 GB8318212D0 publication Critical patent/GB8318212D0/en
Publication of GB2124304A publication Critical patent/GB2124304A/en
Application granted granted Critical
Publication of GB2124304B publication Critical patent/GB2124304B/en
Expired legal-status Critical Current

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
GB08318212A 1982-07-06 1983-07-05 Rotary pumps Expired GB2124304B (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
GB8318212D0 GB8318212D0 (en) 1983-08-03
GB2124304A GB2124304A (en) 1984-02-15
GB2124304B true GB2124304B (en) 1985-06-05

Family

ID=6167687

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08318212A Expired GB2124304B (en) 1982-07-06 1983-07-05 Rotary pumps

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)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8444394B2 (en) 2003-12-08 2013-05-21 Sta-Rite Industries, Llc Pump controller system and method
US8465262B2 (en) 2004-08-26 2013-06-18 Pentair Water Pool And Spa, Inc. Speed control
US8480373B2 (en) 2004-08-26 2013-07-09 Pentair Water Pool And Spa, Inc. Filter loading
US8500413B2 (en) 2004-08-26 2013-08-06 Pentair Water Pool And Spa, Inc. Pumping system with power optimization
US8564233B2 (en) 2009-06-09 2013-10-22 Sta-Rite Industries, Llc Safety system and method for pump and motor
US8573952B2 (en) 2004-08-26 2013-11-05 Pentair Water Pool And Spa, Inc. Priming protection
US8602745B2 (en) 2004-08-26 2013-12-10 Pentair Water Pool And Spa, Inc. Anti-entrapment and anti-dead head function
US8602743B2 (en) 2008-10-06 2013-12-10 Pentair Water Pool And Spa, Inc. Method of operating a safety vacuum release system
US8801389B2 (en) 2004-08-26 2014-08-12 Pentair Water Pool And Spa, Inc. Flow control
US9404500B2 (en) 2004-08-26 2016-08-02 Pentair Water Pool And Spa, Inc. Control algorithm of variable speed pumping system
US9556874B2 (en) 2009-06-09 2017-01-31 Pentair Flow Technologies, Llc Method of controlling a pump and motor
US9568005B2 (en) 2010-12-08 2017-02-14 Pentair Water Pool And Spa, Inc. Discharge vacuum relief valve for safety vacuum release system

Families Citing this family (24)

* 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
US7874808B2 (en) 2004-08-26 2011-01-25 Pentair Water Pool And Spa, Inc. Variable speed pumping system and method
US8436559B2 (en) 2009-06-09 2013-05-07 Sta-Rite Industries, Llc System and method for motor drive control pad and drive terminals
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
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
CA2854162C (en) 2011-11-01 2019-12-24 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

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9328727B2 (en) 2003-12-08 2016-05-03 Pentair Water Pool And Spa, Inc. Pump controller system and method
US8540493B2 (en) 2003-12-08 2013-09-24 Sta-Rite Industries, Llc Pump control system and method
US9399992B2 (en) 2003-12-08 2016-07-26 Pentair Water Pool And Spa, Inc. Pump controller system and method
US8444394B2 (en) 2003-12-08 2013-05-21 Sta-Rite Industries, Llc Pump controller system and method
US8602745B2 (en) 2004-08-26 2013-12-10 Pentair Water Pool And Spa, Inc. Anti-entrapment and anti-dead head function
US8465262B2 (en) 2004-08-26 2013-06-18 Pentair Water Pool And Spa, Inc. Speed control
US8573952B2 (en) 2004-08-26 2013-11-05 Pentair Water Pool And Spa, Inc. Priming protection
US9551344B2 (en) 2004-08-26 2017-01-24 Pentair Water Pool And Spa, Inc. Anti-entrapment and anti-dead head function
US8480373B2 (en) 2004-08-26 2013-07-09 Pentair Water Pool And Spa, Inc. Filter loading
US8801389B2 (en) 2004-08-26 2014-08-12 Pentair Water Pool And Spa, Inc. Flow control
US9051930B2 (en) 2004-08-26 2015-06-09 Pentair Water Pool And Spa, Inc. Speed control
US8840376B2 (en) 2004-08-26 2014-09-23 Pentair Water Pool And Spa, Inc. Pumping system with power optimization
US8500413B2 (en) 2004-08-26 2013-08-06 Pentair Water Pool And Spa, Inc. Pumping system with power optimization
US9404500B2 (en) 2004-08-26 2016-08-02 Pentair Water Pool And Spa, Inc. Control algorithm of variable speed pumping system
US8602743B2 (en) 2008-10-06 2013-12-10 Pentair Water Pool And Spa, Inc. Method of operating a safety vacuum release system
US8564233B2 (en) 2009-06-09 2013-10-22 Sta-Rite Industries, Llc Safety system and method for pump and motor
US9556874B2 (en) 2009-06-09 2017-01-31 Pentair Flow Technologies, Llc Method of controlling a pump and motor
US10590926B2 (en) 2009-06-09 2020-03-17 Pentair Flow Technologies, Llc Method of controlling a pump and motor
US9568005B2 (en) 2010-12-08 2017-02-14 Pentair Water Pool And Spa, Inc. Discharge vacuum relief valve for safety vacuum release system

Also Published As

Publication number Publication date
FR2529965B1 (en) 1989-12-22
DE3225141C2 (en) 1984-12-20
JPS5974392A (en) 1984-04-26
IT8321939A0 (en) 1983-07-05
IT8321939A1 (en) 1985-01-05
DE3225141A1 (en) 1984-02-16
GB8318212D0 (en) 1983-08-03
GB2124304A (en) 1984-02-15
IT1164299B (en) 1987-04-08
FR2529965A1 (en) 1984-01-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960705