EP4310336A4 - Jet pump - Google Patents

Jet pump Download PDF

Info

Publication number
EP4310336A4
EP4310336A4 EP22786258.8A EP22786258A EP4310336A4 EP 4310336 A4 EP4310336 A4 EP 4310336A4 EP 22786258 A EP22786258 A EP 22786258A EP 4310336 A4 EP4310336 A4 EP 4310336A4
Authority
EP
European Patent Office
Prior art keywords
jet pump
jet
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.)
Pending
Application number
EP22786258.8A
Other languages
German (de)
French (fr)
Other versions
EP4310336A1 (en
Inventor
Junbo Zhang
Ke Yang
Hailiang XU
Junwei Bao
Libing Hong
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.)
Ningbo Junhe Intelligent Technology Co Ltd
Original Assignee
Ningbo Junhe Intelligent Technology Co Ltd
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 Ningbo Junhe Intelligent Technology Co Ltd filed Critical Ningbo Junhe Intelligent Technology Co Ltd
Priority claimed from PCT/CN2022/120696 external-priority patent/WO2023236389A1/en
Publication of EP4310336A1 publication Critical patent/EP4310336A1/en
Publication of EP4310336A4 publication Critical patent/EP4310336A4/en
Pending 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
    • 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
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
    • F04D15/0022—Control, e.g. regulation, of pumps, pumping installations or systems by using valves throttling valves or valves varying the pump inlet opening or the outlet opening
    • 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/02—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
    • F04F5/10—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/46—Arrangements of nozzles
    • 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
    • F04D9/007—Preventing loss of prime, siphon breakers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP22786258.8A 2022-06-09 2022-09-23 Jet pump Pending EP4310336A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202221458921 2022-06-09
PCT/CN2022/120696 WO2023236389A1 (en) 2022-06-09 2022-09-23 Jet pump

Publications (2)

Publication Number Publication Date
EP4310336A1 EP4310336A1 (en) 2024-01-24
EP4310336A4 true EP4310336A4 (en) 2024-05-01

Family

ID=89076445

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22786258.8A Pending EP4310336A4 (en) 2022-06-09 2022-09-23 Jet pump

Country Status (3)

Country Link
EP (1) EP4310336A4 (en)
AU (1) AU2022263509A1 (en)
CA (1) CA3181455A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2853014A (en) * 1956-02-28 1958-09-23 Fred A Carpenter Booster attachment for centrifugal pumps
US5474418A (en) * 1993-09-25 1995-12-12 Asv Stubbe Gmbh & Co. Kg Self-priming centrifugal pump
JP2000110797A (en) * 1998-10-05 2000-04-18 Shibaura Mechatronics Corp Parallel pipe jet pump
US20070189908A1 (en) * 2006-02-14 2007-08-16 Denso Corporation Jet pump
CN106194840A (en) * 2016-09-30 2016-12-07 利欧集团浙江泵业有限公司 The runner body structure of Hua Yuanbeng

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2853014A (en) * 1956-02-28 1958-09-23 Fred A Carpenter Booster attachment for centrifugal pumps
US5474418A (en) * 1993-09-25 1995-12-12 Asv Stubbe Gmbh & Co. Kg Self-priming centrifugal pump
JP2000110797A (en) * 1998-10-05 2000-04-18 Shibaura Mechatronics Corp Parallel pipe jet pump
US20070189908A1 (en) * 2006-02-14 2007-08-16 Denso Corporation Jet pump
CN106194840A (en) * 2016-09-30 2016-12-07 利欧集团浙江泵业有限公司 The runner body structure of Hua Yuanbeng

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023236389A1 *

Also Published As

Publication number Publication date
CA3181455A1 (en) 2023-12-09
EP4310336A1 (en) 2024-01-24
AU2022263509A1 (en) 2024-01-04

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