EP2784327A3 - Centrifugal compressor - Google Patents

Centrifugal compressor Download PDF

Info

Publication number
EP2784327A3
EP2784327A3 EP13174085.4A EP13174085A EP2784327A3 EP 2784327 A3 EP2784327 A3 EP 2784327A3 EP 13174085 A EP13174085 A EP 13174085A EP 2784327 A3 EP2784327 A3 EP 2784327A3
Authority
EP
European Patent Office
Prior art keywords
centrifugal compressor
inlet
outlet
blades
fluid
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
EP13174085.4A
Other languages
German (de)
French (fr)
Other versions
EP2784327B1 (en
EP2784327A2 (en
Inventor
Kyung Kook Kim
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.)
Doosan Heavy Industries and Construction Co Ltd
Original Assignee
Doosan Heavy Industries and Construction 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 Doosan Heavy Industries and Construction Co Ltd filed Critical Doosan Heavy Industries and Construction Co Ltd
Publication of EP2784327A2 publication Critical patent/EP2784327A2/en
Publication of EP2784327A3 publication Critical patent/EP2784327A3/en
Application granted granted Critical
Publication of EP2784327B1 publication Critical patent/EP2784327B1/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
    • F04D29/44—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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/162—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of a centrifugal flow wheel
    • 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
    • F04D29/08—Sealings
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Disclosed is a centrifugal compressor capable of minimizing leakage of fluid while realizing high aerodynamic performance in the process of compressing the fluid. The centrifugal compressor includes an impeller (100) having blades (120), a housing (200) formed with an inlet (220) and an outlet (230), a sealing unit (300) disposed adjacent to one of the inlet (220) and the outlet (230), and a partial shroud (310) disposed adjacent to the sealing unit (300) and formed at one of the inlet (220) and the outlet (230) to partially surround outer peripheral portions of outer ends of the blades (120).
EP13174085.4A 2013-03-25 2013-06-27 Centrifugal compressor Active EP2784327B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020130031410A KR101501477B1 (en) 2013-03-25 2013-03-25 Centrifugal Compressor

Publications (3)

Publication Number Publication Date
EP2784327A2 EP2784327A2 (en) 2014-10-01
EP2784327A3 true EP2784327A3 (en) 2015-04-22
EP2784327B1 EP2784327B1 (en) 2018-05-16

Family

ID=48703212

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13174085.4A Active EP2784327B1 (en) 2013-03-25 2013-06-27 Centrifugal compressor

Country Status (3)

Country Link
US (2) US20140286761A1 (en)
EP (1) EP2784327B1 (en)
KR (1) KR101501477B1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016148308A (en) * 2015-02-13 2016-08-18 三菱重工業株式会社 Centrifugal compressor and geared centrifugal compressor
MX2017014579A (en) * 2015-05-15 2018-03-16 Nuovo Pignone Tecnologie Srl Centrifugal compressor impeller and compressor comprising said impeller.
DE102016001484A1 (en) * 2016-02-11 2017-08-17 Ebm-Papst St. Georgen Gmbh & Co. Kg fan unit
US10227879B2 (en) * 2016-02-11 2019-03-12 General Electric Company Centrifugal compressor assembly for use in a turbine engine and method of assembly
JP6419748B2 (en) * 2016-04-05 2018-11-07 ミネベアミツミ株式会社 Centrifugal fan
IT201600106889A1 (en) * 2016-10-24 2018-04-24 Nuovo Pignone Tecnologie Srl Diaphragm for centrifugal compressor
FR3060672A1 (en) * 2016-12-21 2018-06-22 Valeo Systemes De Controle Moteur ELECTRICAL COMPRESSOR WITH IMPROVED WHEEL
KR102347638B1 (en) * 2017-08-08 2022-01-05 한화파워시스템 주식회사 Semi-shrouded impeller
DE102017007860A1 (en) * 2017-08-23 2019-02-28 Wilo Se Sealing at the suction mouth of a pump impeller
KR101876161B1 (en) * 2018-04-04 2018-07-06 서울대학교산학협력단 Leakage Flow Reduced Centrifugal Pump
KR102172654B1 (en) * 2018-11-27 2020-11-02 한국가스공사 Wear ring assembly of impeller for nlg pump
US11598347B2 (en) * 2019-06-28 2023-03-07 Trane International Inc. Impeller with external blades
NL2024911B1 (en) * 2020-02-14 2021-09-15 Mi Partners B V Device with contactless heat transfer
KR20220065922A (en) * 2020-11-13 2022-05-23 엘지전자 주식회사 Compressor and Chiller including the same
KR102642363B1 (en) * 2021-07-23 2024-03-04 엘지전자 주식회사 Turbo compressor
CN113864211A (en) * 2021-08-19 2021-12-31 青岛海尔智能技术研发有限公司 Magnetic suspension pump, refrigeration equipment with same and air conditioner outdoor unit
US11486498B1 (en) * 2021-09-10 2022-11-01 Hamilton Sundstrand Corporation Dynamic sealing labyrinth seals
CN118008859B (en) * 2024-04-10 2024-06-25 浙江金盾风机股份有限公司 Nuclear-grade emergency exhaust fan with low vibration and low leakage

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61171899A (en) * 1985-01-28 1986-08-02 Hitachi Ltd Turbo-hydraulic machine
JPH11280694A (en) * 1998-03-27 1999-10-15 Mitsubishi Heavy Ind Ltd Centrifugal compressor
US6039535A (en) * 1997-06-23 2000-03-21 Hitachi, Ltd. Labyrinth sealing device, and fluid machine providing the same
JP2003293993A (en) * 2002-03-29 2003-10-15 Mitsubishi Heavy Ind Ltd Structure of compressor
JP2009156122A (en) * 2007-12-26 2009-07-16 Mitsubishi Heavy Ind Ltd Impeller for centrifugal compressor
WO2012033192A1 (en) * 2010-09-09 2012-03-15 三菱重工業株式会社 Sealing structure and centrifugal compressor

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1090073A (en) * 1911-01-07 1914-03-10 Gen Electric Centrifugal pump.
US3966351A (en) * 1974-05-15 1976-06-29 Robert Stanley Sproule Drag reduction system in shrouded turbo machine
US4472107A (en) * 1982-08-03 1984-09-18 Union Carbide Corporation Rotary fluid handling machine having reduced fluid leakage
SU1373883A1 (en) * 1986-01-17 1988-02-15 Производственное объединение "Невский завод" им.В.И.Ленина Centrifugal compressor impeller
US4978278A (en) * 1989-07-12 1990-12-18 Union Carbide Corporation Turbomachine with seal fluid recovery channel
EP0601227B1 (en) * 1992-12-08 1997-09-03 Asea Brown Boveri Ag Stabilizing device for the increase of the surge margin of a compressor
GB2359863B (en) * 2000-03-04 2003-03-26 Alstom Turbocharger
KR100745507B1 (en) 2001-08-21 2007-08-02 삼성테크윈 주식회사 Turbo compressor
ITMI20021876A1 (en) 2002-09-03 2004-03-04 Nuovo Pignone Spa IMPROVED PROCEDURE FOR MAKING A ROTOR OF ONE
US7775763B1 (en) * 2007-06-21 2010-08-17 Florida Turbine Technologies, Inc. Centrifugal pump with rotor thrust balancing seal
JP2009019564A (en) * 2007-07-11 2009-01-29 Ihi Corp Centrifugal compressor
JP2010121612A (en) 2008-10-23 2010-06-03 Mitsubishi Heavy Ind Ltd Impeller, compressor, and method of manufacturing the impeller
JP2012007592A (en) * 2010-06-28 2012-01-12 Mitsubishi Heavy Ind Ltd Seal device, and fluid machine provided with the same
US8727729B2 (en) 2010-06-29 2014-05-20 Turbocam, Inc. Method for producing a shrouded impeller from two or more components
KR101207218B1 (en) * 2010-12-21 2012-12-03 두산중공업 주식회사 Hybrid type centrifugal compressor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61171899A (en) * 1985-01-28 1986-08-02 Hitachi Ltd Turbo-hydraulic machine
US6039535A (en) * 1997-06-23 2000-03-21 Hitachi, Ltd. Labyrinth sealing device, and fluid machine providing the same
JPH11280694A (en) * 1998-03-27 1999-10-15 Mitsubishi Heavy Ind Ltd Centrifugal compressor
JP2003293993A (en) * 2002-03-29 2003-10-15 Mitsubishi Heavy Ind Ltd Structure of compressor
JP2009156122A (en) * 2007-12-26 2009-07-16 Mitsubishi Heavy Ind Ltd Impeller for centrifugal compressor
WO2012033192A1 (en) * 2010-09-09 2012-03-15 三菱重工業株式会社 Sealing structure and centrifugal compressor

Also Published As

Publication number Publication date
US20180202451A1 (en) 2018-07-19
KR20140116628A (en) 2014-10-06
KR101501477B1 (en) 2015-03-12
EP2784327B1 (en) 2018-05-16
EP2784327A2 (en) 2014-10-01
US20140286761A1 (en) 2014-09-25

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