DE3460283D1 - Back flow preventing device in the outlet pipe of a pump - Google Patents

Back flow preventing device in the outlet pipe of a pump

Info

Publication number
DE3460283D1
DE3460283D1 DE8484850036T DE3460283T DE3460283D1 DE 3460283 D1 DE3460283 D1 DE 3460283D1 DE 8484850036 T DE8484850036 T DE 8484850036T DE 3460283 T DE3460283 T DE 3460283T DE 3460283 D1 DE3460283 D1 DE 3460283D1
Authority
DE
Germany
Prior art keywords
pump
outlet pipe
back flow
preventing device
flow preventing
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
DE8484850036T
Other languages
German (de)
English (en)
Inventor
Roland Svensson
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.)
Xylem Water Solutions AB
Original Assignee
Flygt AB
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 Flygt AB filed Critical Flygt AB
Application granted granted Critical
Publication of DE3460283D1 publication Critical patent/DE3460283D1/de
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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/066—Floating-units
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Check Valves (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Jet Pumps And Other Pumps (AREA)
DE8484850036T 1983-02-15 1984-02-02 Back flow preventing device in the outlet pipe of a pump Expired DE3460283D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8300797A SE449897B (sv) 1983-02-15 1983-02-15 Anordning for forhindrande av aterstromning genom utloppsroret till en pump vilket mynnar i en recipient innehallande pumpat medium

Publications (1)

Publication Number Publication Date
DE3460283D1 true DE3460283D1 (en) 1986-08-21

Family

ID=20350038

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484850036T Expired DE3460283D1 (en) 1983-02-15 1984-02-02 Back flow preventing device in the outlet pipe of a pump

Country Status (4)

Country Link
EP (1) EP0118403B1 (enrdf_load_stackoverflow)
JP (1) JPS59205075A (enrdf_load_stackoverflow)
DE (1) DE3460283D1 (enrdf_load_stackoverflow)
SE (1) SE449897B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4320422A1 (de) * 1993-04-08 1994-10-13 Klein Schanzlin & Becker Ag Rückflußverhinderer für Pumpenauslaufrohre
EP0623751B1 (de) * 1993-04-08 1996-10-30 KSB Aktiengesellschaft Pumpe mit Rückflussverhinderer
DE10034174A1 (de) * 2000-07-14 2002-01-24 Ksb Ag Pumpstation
DE102008010360B4 (de) * 2008-02-15 2020-02-27 Flux-Geräte GmbH Pumpeneinrichtung
EP2733358A1 (en) 2012-11-15 2014-05-21 ABB Oy Method for approximating the static head downstream of a pump
CN111675328A (zh) * 2020-06-01 2020-09-18 上海市城市建设设计研究总院（集团）有限公司 节能型内回流系统及其使用方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1528665A1 (de) * 1966-07-29 1971-01-21 Ewald Burger Schmutzwasserpumpe
US4030859A (en) * 1975-09-02 1977-06-21 Lake Aid Inc. Floating aerator having means to vary the length of the draft pipe

Also Published As

Publication number Publication date
EP0118403A1 (en) 1984-09-12
SE8300797L (sv) 1984-08-16
SE449897B (sv) 1987-05-25
EP0118403B1 (en) 1986-07-16
JPS59205075A (ja) 1984-11-20
SE8300797D0 (sv) 1983-02-15
JPH0143188B2 (enrdf_load_stackoverflow) 1989-09-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee