CH426497A - Multi-stage pump - Google Patents

Multi-stage pump

Info

Publication number
CH426497A
CH426497A CH1374564A CH1374564A CH426497A CH 426497 A CH426497 A CH 426497A CH 1374564 A CH1374564 A CH 1374564A CH 1374564 A CH1374564 A CH 1374564A CH 426497 A CH426497 A CH 426497A
Authority
CH
Switzerland
Prior art keywords
stage pump
pump
stage
Prior art date
Application number
CH1374564A
Other languages
German (de)
Inventor
Karol Pilarczyk
Original Assignee
Laval Turbine
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 Laval Turbine filed Critical Laval Turbine
Publication of CH426497A publication Critical patent/CH426497A/en

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
    • F04D15/0072—Installation or systems with two or more pumps, wherein the flow path through the stages can be changed, e.g. series-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
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06—Multi-stage pumps
    • F04D1/063—Multi-stage pumps of the vertically split casing type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Multiple-Way Valves (AREA)
  • Details Of Reciprocating Pumps (AREA)
CH1374564A 1963-10-25 1964-10-23 Multi-stage pump CH426497A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US318866A US3232235A (en) 1963-10-25 1963-10-25 Pump

Publications (1)

Publication Number Publication Date
CH426497A true CH426497A (en) 1966-12-15

Family

ID=23239880

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1374564A CH426497A (en) 1963-10-25 1964-10-23 Multi-stage pump

Country Status (5)

Country Link
US (1) US3232235A (en)
CH (1) CH426497A (en)
DE (1) DE1528742B1 (en)
GB (1) GB1043757A (en)
NL (1) NL6411968A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH669979A5 (en) * 1986-04-30 1989-04-28 Sulzer Ag
ITFI20120272A1 (en) * 2012-12-05 2014-06-06 Nuovo Pignone Srl "BACK-TO-BACK CENTRIFUGAL PUMP"
ITUB20153032A1 (en) * 2015-08-10 2017-02-10 Nuovo Pignone Tecnologie Srl CENTRIFUGAL PUMP
US11441577B2 (en) * 2020-02-06 2022-09-13 Curtiss-Wright Electro-Mechanical Corporation Apparatus for transferring pressurized fluid in a back-to-back multi-stage pump
EP3929445A1 (en) * 2020-06-22 2021-12-29 Grundfos Holding A/S Centrifugal pump device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE295133C (en) *
DE275292C (en) *
DE340447C (en) * 1920-07-04 1921-09-15 Sulzer Ag Multi-stage centrifugal pump in which the stages can be switched individually or in groups, either in parallel or in series
FR554326A (en) * 1922-07-21 1923-06-08 Rateau Sa Device for placing the pump wheels in series or in parallel
DE460986C (en) * 1926-02-20 1928-06-09 Walter Kropf Multi-stage centrifugal pump, in which switching stages consisting of at least one impeller each can be switched one behind the other or in parallel by means of a switching element arranged outside the circumference of the wheel body
FR873127A (en) * 1941-06-17 1942-06-30 Condensation Application Mec Centrifugal pump with two wheels that can be put, at will, in parallel or in series

Also Published As

Publication number Publication date
GB1043757A (en) 1966-09-28
NL6411968A (en) 1965-04-26
US3232235A (en) 1966-02-01
DE1528742B1 (en) 1969-09-11

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