NL7019038A - - Google Patents

Info

Publication number
NL7019038A
NL7019038A NL7019038A NL7019038A NL7019038A NL 7019038 A NL7019038 A NL 7019038A NL 7019038 A NL7019038 A NL 7019038A NL 7019038 A NL7019038 A NL 7019038A NL 7019038 A NL7019038 A NL 7019038A
Authority
NL
Netherlands
Application number
NL7019038A
Other versions
NL158264B (nl
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 filed Critical
Publication of NL7019038A publication Critical patent/NL7019038A/xx
Publication of NL158264B publication Critical patent/NL158264B/xx

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
    • F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
    • F04D15/029—Stopping of pumps, or operating valves, on occurrence of unwanted conditions for pumps operating in parallel
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
NL7019038.A 1970-01-30 1970-12-30 Pompinrichting omvattende ten minste twee gescheiden centrifugaalpompstelsels. NL158264B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2004206A DE2004206C3 (de) 1970-01-30 1970-01-30 Verfahren und Einrichtung zum Aufrechterhalten eines annähernd konstanten Förderstroms beim Umschalten von Kreiselpumpen

Publications (2)

Publication Number Publication Date
NL7019038A true NL7019038A (enrdf_load_stackoverflow) 1971-08-03
NL158264B NL158264B (nl) 1978-10-16

Family

ID=5760965

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7019038.A NL158264B (nl) 1970-01-30 1970-12-30 Pompinrichting omvattende ten minste twee gescheiden centrifugaalpompstelsels.

Country Status (7)

Country Link
BE (1) BE762026A (enrdf_load_stackoverflow)
CH (1) CH513337A (enrdf_load_stackoverflow)
DE (1) DE2004206C3 (enrdf_load_stackoverflow)
FR (1) FR2077132A5 (enrdf_load_stackoverflow)
GB (1) GB1337328A (enrdf_load_stackoverflow)
NL (1) NL158264B (enrdf_load_stackoverflow)
SE (1) SE367044B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4084924A (en) * 1977-02-25 1978-04-18 Alexander Ivanoff Pump-motor assemblage for circulating a coolant
DE2966804D1 (en) * 1979-04-23 1984-04-19 Westinghouse Electric Corp Pump drive assembly for liquid metal reactor
DE3049515A1 (de) * 1980-12-30 1982-07-29 Motan Gmbh, 7972 Isny Brennerantrieb, insbesondere fuer hochdruckreiniger
CN103629105B (zh) * 2013-12-19 2016-08-03 杜培文 一种离心泵停泵水锤防护方法及装置
CN105937498B (zh) * 2016-05-21 2018-10-19 李丽容 一种低启动力水泵装置及其控制方法
EP3428453B1 (en) 2017-07-14 2023-06-07 Grundfos Holding A/S Multi-pump control keeping the head constant while ramping up or down a subset of the pumps

Also Published As

Publication number Publication date
BE762026A (fr) 1971-07-01
DE2004206B2 (de) 1973-08-02
GB1337328A (en) 1973-11-14
DE2004206C3 (de) 1974-02-28
SE367044B (enrdf_load_stackoverflow) 1974-05-13
NL158264B (nl) 1978-10-16
DE2004206A1 (de) 1971-08-05
CH513337A (de) 1971-09-30
FR2077132A5 (enrdf_load_stackoverflow) 1971-10-15

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: HALBERG