EP3821131A4 - Centrifugal pump - Google Patents

Centrifugal pump Download PDF

Info

Publication number
EP3821131A4
EP3821131A4 EP19834912.8A EP19834912A EP3821131A4 EP 3821131 A4 EP3821131 A4 EP 3821131A4 EP 19834912 A EP19834912 A EP 19834912A EP 3821131 A4 EP3821131 A4 EP 3821131A4
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.)
Withdrawn
Application number
EP19834912.8A
Other languages
German (de)
French (fr)
Other versions
EP3821131A1 (en
Inventor
Andrey Yurievich YAZYKOV
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.)
YAZYKOV, ANDREY YURIEVICH
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 EP3821131A1 publication Critical patent/EP3821131A1/en
Publication of EP3821131A4 publication Critical patent/EP3821131A4/en
Withdrawn legal-status Critical Current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
    • F04D29/42—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
    • F04D29/4273—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps suction eyes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
    • F04D9/06—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock of jet 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
    • F04D15/0027—Varying behaviour or the very pump
    • 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
    • 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
    • F04D29/4293—Details of fluid inlet or outlet
    • 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
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
    • 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
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/51—Inlet
    • 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
    • F05D2260/601—Fluid transfer using an ejector or a jet pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
EP19834912.8A 2018-07-10 2019-05-13 Centrifugal pump Withdrawn EP3821131A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2018125187A RU2683062C1 (en) 2018-07-10 2018-07-10 Centrifugal pump
PCT/RU2019/000331 WO2020013729A1 (en) 2018-07-10 2019-05-13 Centrifugal pump

Publications (2)

Publication Number Publication Date
EP3821131A1 EP3821131A1 (en) 2021-05-19
EP3821131A4 true EP3821131A4 (en) 2022-03-30

Family

ID=65858704

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19834912.8A Withdrawn EP3821131A4 (en) 2018-07-10 2019-05-13 Centrifugal pump

Country Status (4)

Country Link
EP (1) EP3821131A4 (en)
EA (1) EA038211B1 (en)
RU (1) RU2683062C1 (en)
WO (1) WO2020013729A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112555137A (en) * 2020-12-14 2021-03-26 宁波君禾智能科技有限公司 Water pump control system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2457388A (en) * 1945-06-27 1948-12-28 Flint & Walling Mfg Co Inc Injector-impeller pump
DE2504292A1 (en) * 1975-02-01 1976-08-05 Ewald Bous Automatic by pass regulator controlling circulating pump pressure - has cut off device which operates in relation to mass flow of heating medium
EP0645541A1 (en) * 1993-09-25 1995-03-29 ASV Stübbe GmbH & Co. KG Self-priming centrifugal pump

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2435053A (en) * 1944-08-05 1948-01-27 Shasta Pump Company Valve and air charger for pumpstorage systems
US2524770A (en) * 1945-05-11 1950-10-10 F E Myers & Bro Company Centrifugal ejector pump
US2484105A (en) 1945-11-13 1949-10-11 Mcdonald Mfg Co A Y Ejector pump
US2630069A (en) * 1946-05-20 1953-03-03 Thaddeus S Harris Automatic control unit for deep well jet pumps
SU108211A1 (en) * 1956-11-29 1956-11-30 В.В. Иванов Self-priming centrifugal pump
IT1225596B (en) 1988-09-26 1990-11-22 Calpeda A Spa SELF-PRIMING EJECTOR PUMP.
IT1234116B (en) 1989-06-07 1992-04-29 Novax S R L SELF-PRIMING CENTRIFUGAL PUMP.
IT1257704B (en) * 1991-12-05 1996-02-01 Nocchi Pompe Spa MULTI-FUNCTIONAL WATER PUMP: CENTRIFUGAL, FOR DEEP SUCTION, SELF-PRIMING, CENTRIFUGAL WITH PRESSURE REGULATION, SELF-PRIMING WITH PRESSURE REGULATION, WITH STARTING DEVICE AND / OR AUTOMATIC STOP
CN101644272A (en) * 2009-07-20 2010-02-10 江苏大学 Fast self-priming jet-type centrifugal pump
CN102734177A (en) * 2012-06-08 2012-10-17 李冬庆 Direct-connection self-sucking pump

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2457388A (en) * 1945-06-27 1948-12-28 Flint & Walling Mfg Co Inc Injector-impeller pump
DE2504292A1 (en) * 1975-02-01 1976-08-05 Ewald Bous Automatic by pass regulator controlling circulating pump pressure - has cut off device which operates in relation to mass flow of heating medium
EP0645541A1 (en) * 1993-09-25 1995-03-29 ASV Stübbe GmbH & Co. KG Self-priming centrifugal pump

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020013729A1 *

Also Published As

Publication number Publication date
RU2683062C1 (en) 2019-03-26
EP3821131A1 (en) 2021-05-19
WO2020013729A1 (en) 2020-01-16
EA202000217A1 (en) 2020-10-20
EA038211B1 (en) 2021-07-23

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