ATE373175T1 - Turbomaschinen - Google Patents

Turbomaschinen

Info

Publication number
ATE373175T1
ATE373175T1 AT00114868T AT00114868T ATE373175T1 AT E373175 T1 ATE373175 T1 AT E373175T1 AT 00114868 T AT00114868 T AT 00114868T AT 00114868 T AT00114868 T AT 00114868T AT E373175 T1 ATE373175 T1 AT E373175T1
Authority
AT
Austria
Prior art keywords
impeller
groove
grooves
casing
ratio
Prior art date
Application number
AT00114868T
Other languages
English (en)
Inventor
Junichi Kurokawa
Hitoharu Kimura
Tomoyoshi Okamura
Takahide Nagahara
Sumio Sudo
Original Assignee
Hitachi Plant Technologies Ltd
Junichi Kurokawa
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 Plant Technologies Ltd, Junichi Kurokawa filed Critical Hitachi Plant Technologies Ltd
Application granted granted Critical
Publication of ATE373175T1 publication Critical patent/ATE373175T1/de

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)
AT00114868T 1999-07-15 2000-07-11 Turbomaschinen ATE373175T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE373175T1 true ATE373175T1 (de) 2007-09-15

Family

ID=16438754

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00114868T ATE373175T1 (de) 1999-07-15 2000-07-11 Turbomaschinen

Country Status (4)

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

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1247991B1 (de) * 2001-04-05 2005-10-12 Hitachi, Ltd. Kreiselpumpe
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 (de) * 2007-08-31 2009-03-04 Siemens Aktiengesellschaft Drallbrecher für eine Strömungsmaschine
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
WO2015130522A1 (en) * 2014-02-25 2015-09-03 Siemens Aktiengesellschaft Turbine ring segment with abradable surface having ridges with inclined lateral walls
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
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
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

Family Cites Families (5)

* 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
GB2146707B (en) * 1983-09-14 1987-08-05 Rolls Royce Turbine
GB2245312B (en) * 1984-06-19 1992-03-25 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
CZ48394A3 (en) * 1993-03-04 1994-09-14 Abb Management Ag Radial-flow compressor with a flow-stabilizing casing

Also Published As

Publication number Publication date
EP1069315A2 (de) 2001-01-17
CN1281953A (zh) 2001-01-31
DE60036336D1 (de) 2007-10-25
EP1069315A3 (de) 2002-05-29
DE60036336T2 (de) 2008-06-12
CN1221741C (zh) 2005-10-05
EP1069315B1 (de) 2007-09-12

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