HK1031414A1 - A centrifugal pump unit - Google Patents

A centrifugal pump unit

Info

Publication number
HK1031414A1
HK1031414A1 HK01102107A HK01102107A HK1031414A1 HK 1031414 A1 HK1031414 A1 HK 1031414A1 HK 01102107 A HK01102107 A HK 01102107A HK 01102107 A HK01102107 A HK 01102107A HK 1031414 A1 HK1031414 A1 HK 1031414A1
Authority
HK
Hong Kong
Prior art keywords
pump unit
centrifugal pump
centrifugal
unit
pump
Prior art date
Application number
HK01102107A
Other languages
English (en)
Inventor
Niels Due Jensen
Carsten Norgaard
Jorgen Schmidt
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7903058&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1031414(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Grundfos As filed Critical Grundfos As
Publication of HK1031414A1 publication Critical patent/HK1031414A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/40—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane
    • H01H35/405—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane the switch being of the reed switch type
    • 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
    • F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
    • F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
    • 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
    • F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
    • F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
    • F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply
    • F04D15/0227—Lack of liquid level being detected using a flow transducer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
HK01102107A 1999-03-31 2001-03-23 A centrifugal pump unit HK1031414A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19914581A DE19914581A1 (de) 1999-03-31 1999-03-31 Kreiselpumpenaggregat

Publications (1)

Publication Number Publication Date
HK1031414A1 true HK1031414A1 (en) 2001-06-15

Family

ID=7903058

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01102107A HK1031414A1 (en) 1999-03-31 2001-03-23 A centrifugal pump unit

Country Status (7)

Country Link
US (1) US6273684B1 (fr)
EP (1) EP1041595B2 (fr)
CN (1) CN1133012C (fr)
AR (1) AR022941A1 (fr)
DE (2) DE19914581A1 (fr)
HK (1) HK1031414A1 (fr)
TW (1) TW440656B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10053248A1 (de) * 2000-10-26 2002-05-08 Kaercher Gmbh & Co Alfred Hochdruckreinigungsgerät
DE10064708A1 (de) * 2000-12-22 2002-07-11 Grundfos As Hauswasserwerk
DE102004048557A1 (de) * 2004-10-04 2006-04-06 Aweco Appliance Systems Gmbh & Co. Kg Flüssigkeitspumpe
CN101523051B (zh) * 2006-08-25 2013-07-10 滨特尔泵集团公司 具有泵启动装置的流体系统
US8152458B2 (en) * 2009-04-28 2012-04-10 Mp Pumps, Inc. Centrifugal pump with improved drive shaft and heat exchanger
EP2639943B1 (fr) * 2012-03-15 2015-02-25 Grundfos Holding A/S Moteur électrique
EP2808547B1 (fr) * 2013-05-31 2016-07-20 Grundfos Holding A/S Dispositif d'actionnement pour un module de pompe
US10385859B2 (en) 2013-12-10 2019-08-20 Franklin Electric Company, Inc. In-line pressure boosting system and method
DE102015119832A1 (de) 2015-11-17 2017-05-18 Xylem Ip Management Sàrl Förderpumpe zur Druckerhöhung in einer Leitung und Verfahren zum Betreiben einer Förderpumpe

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH499018A (de) * 1968-09-03 1970-11-15 Troesch Hans A Dr Ing Umwälzpumpe für Heizungsanlagen
US3819297A (en) * 1972-09-11 1974-06-25 Gen Gas Light Co Centrifugal pump assembly
US3992598A (en) * 1974-12-04 1976-11-16 Afton Incorporated Airflow velocity switch
US4085336A (en) * 1976-08-09 1978-04-18 Paul F. Walters Liquid flow activated switch
GB1545447A (en) † 1977-11-05 1979-05-10 Pektron Ltd Arrangement for dispensing liquids
US4213745A (en) * 1978-09-11 1980-07-22 Roberts Samuel A Pump for central heating system
US4499347A (en) † 1982-01-25 1985-02-12 Richards Gary H Fluid-flow-control-switch valve
DE3210762A1 (de) * 1982-03-24 1983-10-13 Grundfos A/S, 8850 Bjerringbro Pumpenaggregat fuer heizungs- und brauchwasseranlagen
DE3220448C1 (de) * 1982-05-29 1983-08-11 Grundfos A/S, 8850 Bjerringbro Pumpenaggregat fuer Heizungs- und Brauchwasseranlagen
GB8506527D0 (en) † 1985-03-13 1985-04-17 Brightplan Ltd Fluid supply device
DE3701562C2 (de) * 1986-03-12 1996-02-08 Wilo Gmbh Kreiselpumpe mit Spaltrohrmotor
JPH081537B2 (ja) 1986-05-31 1996-01-10 大日本印刷株式会社 カード及びその情報読み取り方法
GB8616106D0 (en) † 1986-07-02 1986-08-06 Pektron Ltd Liquid dispensing arrangement
US4818177A (en) * 1986-12-10 1989-04-04 Dresser Industries, Inc. Centrifugal pump with integral suction valve
US4924069A (en) * 1987-11-19 1990-05-08 Teledyne Industries, Inc. Hot water supply for tubs
US4791254A (en) * 1987-12-09 1988-12-13 Hydrolevel Company Flow switch
JPH03175195A (ja) * 1989-09-26 1991-07-30 Ebara Corp 水中ポンプ
GB2238664B (en) * 1989-12-02 1994-06-22 Powered Showers Plc Flow switch assembly
GB2247920B (en) † 1990-08-28 1994-07-27 Whitbread And Company Public L A pump controller
DE4201100A1 (de) * 1992-01-17 1993-07-22 Klein Schanzlin & Becker Ag Einrichtung zur regelung des foerderstroms einer kreiselpumpe in geschlossenem rohrnetz
US5183983A (en) * 1992-03-20 1993-02-02 Dwyer Instruments, Inc. Flow switch assembly for fluid flow monitoring
US5624245A (en) * 1994-10-26 1997-04-29 Mp Pumps, Inc. Centrufugal pump with thermally isolated and dynamically air cooled shaft seal assembly
DE29503806U1 (de) * 1995-03-06 1996-07-04 Sihi GmbH & Co KG, 25524 Itzehoe Pumpe zur Förderung heißer Medien
US5737041A (en) * 1995-07-31 1998-04-07 Image Quest Technologies, Inc. TFT, method of making and matrix displays incorporating the TFT
JP3144326B2 (ja) * 1996-12-17 2001-03-12 松下電器産業株式会社 電気湯沸かし器
JPH1116491A (ja) * 1997-06-26 1999-01-22 Dainippon Printing Co Ltd プラズマディスプレイパネル用厚膜パターンの形成方法

Also Published As

Publication number Publication date
CN1270280A (zh) 2000-10-18
AR022941A1 (es) 2002-09-04
EP1041595A2 (fr) 2000-10-04
DE19914581A1 (de) 2000-10-12
TW440656B (en) 2001-06-16
CN1133012C (zh) 2003-12-31
DE50008180D1 (de) 2004-11-18
US6273684B1 (en) 2001-08-14
EP1041595B2 (fr) 2011-08-31
EP1041595A3 (fr) 2002-02-13
EP1041595B1 (fr) 2004-10-13

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Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20200327