EP0964158A3 - Procédé d'opération d'une pompe pour refrigérants - Google Patents

Procédé d'opération d'une pompe pour refrigérants Download PDF

Info

Publication number
EP0964158A3
EP0964158A3 EP99111024A EP99111024A EP0964158A3 EP 0964158 A3 EP0964158 A3 EP 0964158A3 EP 99111024 A EP99111024 A EP 99111024A EP 99111024 A EP99111024 A EP 99111024A EP 0964158 A3 EP0964158 A3 EP 0964158A3
Authority
EP
European Patent Office
Prior art keywords
refrigerant
pump
speed
operating
coolants
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.)
Withdrawn
Application number
EP99111024A
Other languages
German (de)
English (en)
Other versions
EP0964158A2 (fr
Inventor
Uwe Dipl.-Ing. Schierhorn
Janusz Dipl.-Ing. Olejnik
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.)
Linde GmbH
Original Assignee
Linde GmbH
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 Linde GmbH filed Critical Linde GmbH
Publication of EP0964158A2 publication Critical patent/EP0964158A2/fr
Publication of EP0964158A3 publication Critical patent/EP0964158A3/fr
Withdrawn legal-status Critical Current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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/20—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the driving speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2205/00—Fluid parameters
    • F04B2205/01—Pressure before the pump inlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/03—Cavitations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Reciprocating Pumps (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP99111024A 1998-06-12 1999-06-11 Procédé d'opération d'une pompe pour refrigérants Withdrawn EP0964158A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19826292 1998-06-12
DE1998126292 DE19826292A1 (de) 1998-06-12 1998-06-12 Verfahren zum Betreiben einer Pumpe zur Förderung siedender Kältemittel oder Kälteträger

Publications (2)

Publication Number Publication Date
EP0964158A2 EP0964158A2 (fr) 1999-12-15
EP0964158A3 true EP0964158A3 (fr) 2000-08-16

Family

ID=7870739

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99111024A Withdrawn EP0964158A3 (fr) 1998-06-12 1999-06-11 Procédé d'opération d'une pompe pour refrigérants

Country Status (2)

Country Link
EP (1) EP0964158A3 (fr)
DE (1) DE19826292A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004021988A1 (de) * 2004-05-04 2005-11-24 Wilo Ag Verfahren zum Entlüften einer Kreiselpumpe
WO2008112568A2 (fr) * 2007-03-09 2008-09-18 Johnson Controls Technology Company Compresseur
WO2009122455A1 (fr) * 2008-04-04 2009-10-08 Giuseppe Floris Echangeur de chaleur fonctionnant à différentes pressions
JP5806581B2 (ja) * 2011-10-18 2015-11-10 株式会社日立製作所 冷却システム及び冷却方法
DE102020203486A1 (de) 2020-03-18 2021-09-23 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Betrieb einer Fluidfördervorrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4511312A (en) * 1982-07-28 1985-04-16 Institut Cerac S.A. Method of driving the impeller of a liquid pump by means of a brushless a.c. motor; and a liquid pump for carrying out the method
EP0194474A2 (fr) * 1985-03-14 1986-09-17 Klaus Metzger Méthode pour le contrôle de la cavitation
DE3520538A1 (de) * 1985-06-07 1986-12-11 Kraftwerk Union AG, 4330 Mülheim Verfahren und einrichtung zum betrieb einer kreiselpumpe
DE19645129A1 (de) * 1996-11-04 1998-05-07 Abb Patent Gmbh Verfahren zum kavitiationsfreien Betrieb einer drehzahlgeregelten Pumpe

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3520734A1 (de) * 1985-06-10 1986-12-11 Kraftwerk Union AG, 4330 Mülheim Verfahren und einrichtung zum betrieb einer kreiselpumpe
DE8625036U1 (de) * 1986-09-16 1987-01-15 Knoche Gesellschaft für Kälte- und Klimatechnik mbH, 1000 Berlin Kühlvorrichtung
US4913625A (en) * 1987-12-18 1990-04-03 Westinghouse Electric Corp. Automatic pump protection system
DE4010049C1 (en) * 1990-03-29 1991-10-10 Grundfos International A/S, Bjerringbro, Dk Pump unit for heating or cooling circuit - uses frequency regulator to reduce rotation of pump motor upon detected overheating
DE4128032A1 (de) * 1991-08-23 1993-02-25 Zwerschina Alois Vorrichtung zur optimierbaren vorfoerderung siedender fluessigkeiten fuer rotierende pumpen
EP0619432B1 (fr) * 1993-04-08 1996-10-09 Pumpenfabrik Ernst Vogel Gesellschaft m.b.H. Installation avec au moins une pompe de liquide
DE4422297C1 (de) * 1994-06-25 1995-08-31 Viessmann Werke Kg Steuerung von Umwälzpumpen
DE19534464C1 (de) * 1995-09-16 1996-12-05 Rowenta Werke Gmbh Vorrichtung zur Verhinderung des Trockenlaufens bei elektromagnetischen Schwingkolbenpumpen
DE19605312A1 (de) * 1996-02-14 1997-08-21 Zimmermann Wolfgang Maßnahmen zur Vermeidung von Pulsation bei Pumpen und Kompressoren

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4511312A (en) * 1982-07-28 1985-04-16 Institut Cerac S.A. Method of driving the impeller of a liquid pump by means of a brushless a.c. motor; and a liquid pump for carrying out the method
EP0194474A2 (fr) * 1985-03-14 1986-09-17 Klaus Metzger Méthode pour le contrôle de la cavitation
DE3520538A1 (de) * 1985-06-07 1986-12-11 Kraftwerk Union AG, 4330 Mülheim Verfahren und einrichtung zum betrieb einer kreiselpumpe
DE19645129A1 (de) * 1996-11-04 1998-05-07 Abb Patent Gmbh Verfahren zum kavitiationsfreien Betrieb einer drehzahlgeregelten Pumpe

Also Published As

Publication number Publication date
DE19826292A1 (de) 1999-12-23
EP0964158A2 (fr) 1999-12-15

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