EP1069315A3 - Turbomachines - Google Patents

Turbomachines Download PDF

Info

Publication number
EP1069315A3
EP1069315A3 EP00114868A EP00114868A EP1069315A3 EP 1069315 A3 EP1069315 A3 EP 1069315A3 EP 00114868 A EP00114868 A EP 00114868A EP 00114868 A EP00114868 A EP 00114868A EP 1069315 A3 EP1069315 A3 EP 1069315A3
Authority
EP
European Patent Office
Prior art keywords
impeller
groove
grooves
casing
ratio
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
EP00114868A
Other languages
German (de)
English (en)
Other versions
EP1069315B1 (fr
EP1069315A2 (fr
Inventor
Junichi Kurokawa
Hitoharu Kimura
Tomoyoshi Okamura
Takahide Nagahara
Sumio Sudo
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.)
KUROKAWA, JUNICHI
Hitachi Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Publication of EP1069315A2 publication Critical patent/EP1069315A2/fr
Publication of EP1069315A3 publication Critical patent/EP1069315A3/fr
Application granted granted Critical
Publication of EP1069315B1 publication Critical patent/EP1069315B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/688—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers 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
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/009—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by bleeding, by passing or recycling fluid
    • 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
    • F04D29/426—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
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • F04D29/685—Inducing localised fluid recirculation in the stator-rotor interface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/96—Preventing, counteracting or reducing vibration or noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP00114868A 1999-07-15 2000-07-11 Turbomachines Expired - Lifetime EP1069315B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20130299 1999-07-15
JP20130299 1999-07-15

Publications (3)

Publication Number Publication Date
EP1069315A2 EP1069315A2 (fr) 2001-01-17
EP1069315A3 true EP1069315A3 (fr) 2002-05-29
EP1069315B1 EP1069315B1 (fr) 2007-09-12

Family

ID=16438754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00114868A Expired - Lifetime EP1069315B1 (fr) 1999-07-15 2000-07-11 Turbomachines

Country Status (4)

Country Link
EP (1) EP1069315B1 (fr)
CN (1) CN1221741C (fr)
AT (1) ATE373175T1 (fr)
DE (1) DE60036336T2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108050074A (zh) * 2017-11-09 2018-05-18 西安理工大学 一种能提高轴流泵性能稳定性的进口锥管

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1247991B1 (fr) * 2001-04-05 2005-10-12 Hitachi, Ltd. Pompe centrifugale
DE10258922A1 (de) * 2002-12-17 2004-07-01 Ksb Aktiengesellschaft Saugkanal
CN1323225C (zh) * 2003-07-16 2007-06-27 沈阳黎明航空发动机(集团)有限责任公司 一种利用涡轮风扇发动机改制成工业燃机的方法
KR100568183B1 (ko) * 2004-01-08 2006-04-05 삼성전자주식회사 터보압축기
FR2912789B1 (fr) * 2007-02-21 2009-10-02 Snecma Sa Carter avec traitement de carter, compresseur et turbomachine comportant un tel carter.
EP2031184A1 (fr) * 2007-08-31 2009-03-04 Siemens Aktiengesellschaft Dispositif de rupture de tourbillon pour turbomachine
DE102008052401A1 (de) 2008-10-21 2010-04-22 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit Laufspalteinzug
FR2961564B1 (fr) * 2010-06-17 2016-03-04 Snecma Compresseur et turbomachine a rendement optimise
CN102817873B (zh) * 2012-08-10 2015-07-15 势加透博（北京）科技有限公司 航空发动机压气机的梯状间隙结构
CN102927052B (zh) * 2012-11-12 2015-03-04 西安交通大学 径向槽机匣处理方法
US9243511B2 (en) 2014-02-25 2016-01-26 Siemens Aktiengesellschaft Turbine abradable layer with zig zag groove pattern
CN106030045B (zh) * 2014-02-25 2017-10-03 西门子公司 具有带有复合角、不对称表面面积密度脊和槽样式的耐磨层的涡轮环形节段
CN104279181B (zh) * 2014-09-26 2017-06-06 清华大学 离心泵叶轮
CN104389800B (zh) * 2014-10-15 2017-04-12 陈远进 航空发动机混流压气机
CN105134659B (zh) * 2015-08-25 2017-10-31 浙江理工大学 基于能量梯度理论的离心压缩机弯道改进方法
CN106438475A (zh) * 2016-09-18 2017-02-22 江苏大学 一种抑制叶顶泄漏流的斜流泵
CN109882448B (zh) * 2019-02-25 2020-06-26 江苏大学 一种具有圆弧形泵送槽的混流泵转轮室
CN113217458B (zh) * 2021-05-28 2022-09-02 宁波方太厨具有限公司 一种叶轮、应用有该叶轮的风机系统和吸油烟机
DE102023127949A1 (de) * 2023-10-12 2025-04-17 Oase Gmbh Strömungspumpe

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4714406A (en) * 1983-09-14 1987-12-22 Rolls-Royce Plc Turbines
US4781530A (en) * 1986-07-28 1988-11-01 Cummins Engine Company, Inc. Compressor range improvement means
US5137419A (en) * 1984-06-19 1992-08-11 Rolls-Royce Plc Axial flow compressor surge margin improvement
US5466118A (en) * 1993-03-04 1995-11-14 Abb Management Ltd. Centrifugal compressor with a flow-stabilizing casing

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4212585A (en) 1978-01-20 1980-07-15 Northern Research And Engineering Corporation Centrifugal compressor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4714406A (en) * 1983-09-14 1987-12-22 Rolls-Royce Plc Turbines
US5137419A (en) * 1984-06-19 1992-08-11 Rolls-Royce Plc Axial flow compressor surge margin improvement
US4781530A (en) * 1986-07-28 1988-11-01 Cummins Engine Company, Inc. Compressor range improvement means
US5466118A (en) * 1993-03-04 1995-11-14 Abb Management Ltd. Centrifugal compressor with a flow-stabilizing casing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108050074A (zh) * 2017-11-09 2018-05-18 西安理工大学 一种能提高轴流泵性能稳定性的进口锥管

Also Published As

Publication number Publication date
DE60036336T2 (de) 2008-06-12
CN1281953A (zh) 2001-01-31
EP1069315B1 (fr) 2007-09-12
ATE373175T1 (de) 2007-09-15
DE60036336D1 (de) 2007-10-25
CN1221741C (zh) 2005-10-05
EP1069315A2 (fr) 2001-01-17

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