EP3810314A4 - Centrifugal pump - Google Patents

Centrifugal pump Download PDF

Info

Publication number
EP3810314A4
EP3810314A4 EP19803929.9A EP19803929A EP3810314A4 EP 3810314 A4 EP3810314 A4 EP 3810314A4 EP 19803929 A EP19803929 A EP 19803929A EP 3810314 A4 EP3810314 A4 EP 3810314A4
Authority
EP
European Patent Office
Prior art keywords
centrifugal pump
centrifugal
pump
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.)
Granted
Application number
EP19803929.9A
Other languages
German (de)
French (fr)
Other versions
EP3810314B1 (en
EP3810314A1 (en
Inventor
Tore Hystad
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3810314A1 publication Critical patent/EP3810314A1/en
Publication of EP3810314A4 publication Critical patent/EP3810314A4/en
Application granted granted Critical
Publication of EP3810314B1 publication Critical patent/EP3810314B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps 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
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal 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
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/04—Helico-centrifugal 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
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/14—Pumps raising fluids by centrifugal force within a conical rotary bowl with vertical axis
    • 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
    • F04D29/18—Rotors
    • F04D29/181—Axial flow rotors
    • 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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal 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
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/60—Fluid transfer
    • F05D2260/604—Vortex non-clogging type pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP19803929.9A 2018-05-16 2019-05-16 Centrifugal pump Active EP3810314B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20180691A NO344723B1 (en) 2018-05-16 2018-05-16 Centrifugal pump
PCT/NO2019/050109 WO2019221610A1 (en) 2018-05-16 2019-05-16 Centrifugal pump

Publications (3)

Publication Number Publication Date
EP3810314A1 EP3810314A1 (en) 2021-04-28
EP3810314A4 true EP3810314A4 (en) 2022-01-19
EP3810314B1 EP3810314B1 (en) 2024-06-26

Family

ID=68540653

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19803929.9A Active EP3810314B1 (en) 2018-05-16 2019-05-16 Centrifugal pump

Country Status (3)

Country Link
EP (1) EP3810314B1 (en)
NO (1) NO344723B1 (en)
WO (1) WO2019221610A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE572787C (en) * 1932-03-17 1933-03-23 Koester Friedrich Submersible propeller pump
US6533622B1 (en) * 1999-01-07 2003-03-18 Hendrik Johannes Zwaan Jet propulsion pump
DE202006005067U1 (en) * 2006-03-29 2007-08-09 Liebherr-Machines Bulle S.A. Hydraulic pump for providing pressure for operation of hydraulic system, has main pump and loading pump that are formed as separate units, where main pump is designed as tandem pump, and loading pump is arranged in suction pipe of main pump

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190313384A (en) * 1903-06-15 1903-07-30 Louis Ross Alberger An Improved Steam Condenser System.
US1720333A (en) * 1928-08-25 1929-07-09 James T Ketchum Circulator for hot-water systems
US2791406A (en) * 1955-06-28 1957-05-07 Chemineer Fluid agitating devices
US3904714A (en) * 1973-09-26 1975-09-09 Rexnord Inc Low-speed mechanical aerator impeller
BE884216A (en) * 1980-07-08 1980-11-03 Haegeman Johny H APPARATUS FOR MIXING GAS WITH LIQUID OR REVERSE AND FOR DEGASSIFICATION OF A LIQUID
US6964511B2 (en) * 2002-02-21 2005-11-15 The Maitland Company Mixing apparatus and method
SE0302752L (en) * 2003-10-20 2005-02-15 Itt Mfg Enterprises Inc Centrifugal pump

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE572787C (en) * 1932-03-17 1933-03-23 Koester Friedrich Submersible propeller pump
US6533622B1 (en) * 1999-01-07 2003-03-18 Hendrik Johannes Zwaan Jet propulsion pump
DE202006005067U1 (en) * 2006-03-29 2007-08-09 Liebherr-Machines Bulle S.A. Hydraulic pump for providing pressure for operation of hydraulic system, has main pump and loading pump that are formed as separate units, where main pump is designed as tandem pump, and loading pump is arranged in suction pipe of main pump

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019221610A1 *

Also Published As

Publication number Publication date
EP3810314B1 (en) 2024-06-26
NO344723B1 (en) 2020-03-23
NO20180691A1 (en) 2019-11-18
WO2019221610A1 (en) 2019-11-21
EP3810314A1 (en) 2021-04-28

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