EP4715221A1 - Einachsige mehrstufige zentrifugalfluidmaschine - Google Patents

Einachsige mehrstufige zentrifugalfluidmaschine

Info

Publication number
EP4715221A1
EP4715221A1 EP24810832.6A EP24810832A EP4715221A1 EP 4715221 A1 EP4715221 A1 EP 4715221A1 EP 24810832 A EP24810832 A EP 24810832A EP 4715221 A1 EP4715221 A1 EP 4715221A1
Authority
EP
European Patent Office
Prior art keywords
flow path
introduction nozzle
fluid
suction
centrifugal
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
EP24810832.6A
Other languages
English (en)
French (fr)
Inventor
Kiyotaka HIRADATE
Ryuichi Hashimoto
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.)
Hitachi Industrial Products Ltd
Original Assignee
Hitachi Industrial Products 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 Hitachi Industrial Products Ltd filed Critical Hitachi Industrial Products Ltd
Publication of EP4715221A1 publication Critical patent/EP4715221A1/de
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
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/10—Centrifugal pumps for compressing or evacuating
    • F04D17/12—Multi-stage pumps
    • F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
    • 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
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • 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
    • 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
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid 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
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F04D29/444—Bladed diffusers
    • 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
    • F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D31/00—Pumping liquids and elastic fluids at the same time

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP24810832.6A 2023-05-19 2024-04-25 Einachsige mehrstufige zentrifugalfluidmaschine Pending EP4715221A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2023082834A JP2024166627A (ja) 2023-05-19 2023-05-19 一軸多段遠心形流体機械
PCT/JP2024/016208 WO2024241824A1 (ja) 2023-05-19 2024-04-25 一軸多段遠心形流体機械

Publications (1)

Publication Number Publication Date
EP4715221A1 true EP4715221A1 (de) 2026-03-25

Family

ID=93590046

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24810832.6A Pending EP4715221A1 (de) 2023-05-19 2024-04-25 Einachsige mehrstufige zentrifugalfluidmaschine

Country Status (3)

Country Link
EP (1) EP4715221A1 (de)
JP (1) JP2024166627A (de)
WO (1) WO2024241824A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2026068074A (ja) * 2024-10-10 2026-04-22 株式会社日立インダストリアルプロダクツ １軸多段遠心型流体機械

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60175895U (ja) * 1984-04-28 1985-11-21 株式会社　川本製作所 自動給水装置
GB9315630D0 (en) * 1993-07-28 1993-09-08 Dowty Defence & Air Syst Pumps
JP4573020B2 (ja) * 2004-05-06 2010-11-04 株式会社日立プラントテクノロジー 吸込ケーシング、吸込流路構造および流体機械
JP4940755B2 (ja) 2006-05-17 2012-05-30 株式会社日立プラントテクノロジー 一軸多段形遠心圧縮機
EP3376041A1 (de) * 2017-03-15 2018-09-19 Siemens Aktiengesellschaft Rückführstufe und radialturbofluidenergiemaschine

Also Published As

Publication number Publication date
WO2024241824A1 (ja) 2024-11-28
JP2024166627A (ja) 2024-11-29

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