JPS56113097A - Diffuser for centrifugal hydraulic machine - Google Patents

Diffuser for centrifugal hydraulic machine

Info

Publication number
JPS56113097A
JPS56113097A JP1371880A JP1371880A JPS56113097A JP S56113097 A JPS56113097 A JP S56113097A JP 1371880 A JP1371880 A JP 1371880A JP 1371880 A JP1371880 A JP 1371880A JP S56113097 A JPS56113097 A JP S56113097A
Authority
JP
Japan
Prior art keywords
diffuser
flow
angle
inlet
height
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
JP1371880A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6230320B2 (enExample
Inventor
Yoichi Yoshinaga
Hiromi Kobayashi
Shinjiro Ueda
Yoshihiro Takada
Hideo Nishida
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 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
Priority to JP1371880A priority Critical patent/JPS56113097A/ja
Priority to DE3103595A priority patent/DE3103595C2/de
Priority to CH726/81A priority patent/CH651357A5/de
Priority to IT67156/81A priority patent/IT1143361B/it
Priority to US06/232,007 priority patent/US4421457A/en
Publication of JPS56113097A publication Critical patent/JPS56113097A/ja
Publication of JPS6230320B2 publication Critical patent/JPS6230320B2/ja
Granted 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
    • F04D29/40—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
    • 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
    • F05D2250/52—Outlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
JP1371880A 1980-02-08 1980-02-08 Diffuser for centrifugal hydraulic machine Granted JPS56113097A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1371880A JPS56113097A (en) 1980-02-08 1980-02-08 Diffuser for centrifugal hydraulic machine
DE3103595A DE3103595C2 (de) 1980-02-08 1981-02-03 Schaufelloser Diffusor einer Strömungs-Arbeitsmaschine
CH726/81A CH651357A5 (de) 1980-02-08 1981-02-04 Diffusor eines fliehkraftverdichters.
IT67156/81A IT1143361B (it) 1980-02-08 1981-02-05 Diffusore per turbomacchine particolarmente per compressori centrifughi
US06/232,007 US4421457A (en) 1980-02-08 1981-02-06 Diffuser of centrifugal fluid machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1371880A JPS56113097A (en) 1980-02-08 1980-02-08 Diffuser for centrifugal hydraulic machine

Publications (2)

Publication Number Publication Date
JPS56113097A true JPS56113097A (en) 1981-09-05
JPS6230320B2 JPS6230320B2 (enExample) 1987-07-01

Family

ID=11841019

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1371880A Granted JPS56113097A (en) 1980-02-08 1980-02-08 Diffuser for centrifugal hydraulic machine

Country Status (5)

Country Link
US (1) US4421457A (enExample)
JP (1) JPS56113097A (enExample)
CH (1) CH651357A5 (enExample)
DE (1) DE3103595C2 (enExample)
IT (1) IT1143361B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6232298A (ja) * 1985-05-15 1987-02-12 ドレツサ−・インダストリ−ズ・インコ−ポレ−テツド 遠心コンプレツサあるいはそれに類似の装置用の拡散室
JPH1068398A (ja) * 1996-08-28 1998-03-10 Maruyama Mfg Co Ltd 遠心送風機

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL143757B1 (en) * 1984-03-27 1988-03-31 Inst Lotnictwa Ultrasonic channel-type diffuser in particular a radial one
US4877373A (en) * 1988-02-08 1989-10-31 Dresser-Rand Company Vaned diffuser with small straightening vanes
US4824325A (en) * 1988-02-08 1989-04-25 Dresser-Rand Company Diffuser having split tandem low solidity vanes
US4850795A (en) * 1988-02-08 1989-07-25 Dresser-Rand Company Diffuser having ribbed vanes followed by full vanes
US4902200A (en) * 1988-04-25 1990-02-20 Dresser-Rand Company Variable diffuser wall with ribbed vanes
US5062766A (en) * 1988-09-14 1991-11-05 Hitachi, Ltd. Turbo compressor
US4932835A (en) * 1989-04-04 1990-06-12 Dresser-Rand Company Variable vane height diffuser
US5316441A (en) * 1993-02-03 1994-05-31 Dresser-Rand Company Multi-row rib diffuser
JP3488718B2 (ja) 1996-03-06 2004-01-19 株式会社日立インダストリイズ 遠心圧縮機および遠心圧縮機用ディフューザ
JPH11117898A (ja) * 1997-10-09 1999-04-27 Ebara Corp ターボ機械
RU2243417C2 (ru) * 2001-08-10 2004-12-27 Открытое Акционерное Общество "Сумское Машиностроительное Научно-Производственное Объединение Им. М.В.Фрунзе" Ступень центробежной турбомашины
US7001140B2 (en) * 2003-12-30 2006-02-21 Acoustiflo, Ltd. Centrifugal fan diffuser
US7326027B1 (en) 2004-05-25 2008-02-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Devices and methods of operation thereof for providing stable flow for centrifugal compressors
KR101271065B1 (ko) * 2007-12-06 2013-06-05 삼성전자주식회사 송풍기 및 이를 구비하는 공기조화기
DE102008036633B4 (de) * 2008-08-06 2019-06-19 Continental Mechanical Components Germany Gmbh Turbolader mit einem Einlegeblech
RU2403453C1 (ru) * 2009-03-23 2010-11-10 Лев Константинович Чернявский Ступень центробежной турбомашины
RU2414629C2 (ru) * 2009-03-31 2011-03-20 Анатолий Никонорович Примак Ступень центробежного компрессора
RU2469214C2 (ru) * 2010-07-14 2012-12-10 Общество с ограниченной ответственностью "ТурбоЗАР" Диффузор
DE102011109535B4 (de) * 2011-08-05 2013-08-08 Sew-Eurodrive Gmbh & Co. Kg Lüfteranordnung und Motor
US9695826B1 (en) * 2012-06-28 2017-07-04 James Harmon Pitot tube pump and related methods
CN108425704B (zh) 2013-01-23 2020-05-22 概创机械设计有限责任公司 含有导流结构的涡轮机
DE102013018286A1 (de) * 2013-10-31 2015-04-30 Man Diesel & Turbo Se Radialverdichter
JP6866019B2 (ja) 2014-06-24 2021-04-28 コンセプツ エヌアールイーシー，エルエルシー ターボ機械の流動制御構造及びその設計方法
CN112814945B (zh) * 2015-04-30 2023-09-01 概创机械设计有限责任公司 扩散器中的偏置通路以及对应的设计该扩散器的方法
CN104819166B (zh) * 2015-05-11 2018-09-18 山东赛马力发电设备有限公司 一种减少增压器压气机漏油的装置及方法
RU2631848C1 (ru) * 2016-11-22 2017-09-26 федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский университет "МЭИ" (ФГБОУ ВО "НИУ "МЭИ") Диффузор
US11828188B2 (en) 2020-08-07 2023-11-28 Concepts Nrec, Llc Flow control structures for enhanced performance and turbomachines incorporating the same
CN112797030A (zh) * 2020-09-29 2021-05-14 宁波威孚天力增压技术股份有限公司 一种具有改进型扩压器的压气机
CN113175439A (zh) * 2021-05-20 2021-07-27 珠海格力电器股份有限公司 蜗壳及压缩机
CN120140274B (zh) * 2025-05-15 2025-09-05 华北电力大学（保定） 离心压气机及其无叶扩压器、参数寻优方法及相关产品

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU419639A1 (ru) * 1972-04-30 1974-03-15 Николаевский ордена Трудового Красного Знамени кораблестроительный институт имени адмирала С. О. Макарова Лопаточный диффузор центробежного компрессора
JPS53119411A (en) * 1977-03-28 1978-10-18 Yasutoshi Senoo Guide vane apparatus for centrifugal blower* compressor and pump*and method of producing the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1937395A1 (de) * 1969-07-23 1971-02-11 Dettmering Prof Dr Ing Wilhelm Gitter zur Vermeidung der Sekundaerstroemung
GB1307312A (en) * 1970-03-31 1973-02-21 Weir Pumps Ltd Pump and a diffuser for the pump
FR2187031A5 (enExample) * 1972-05-29 1974-01-11 Onera (Off Nat Aerospatiale)
SE376051B (enExample) * 1973-05-09 1975-05-05 Stenberg Flygt Ab
SU522343A1 (ru) * 1974-01-18 1976-07-25 Николаевский Ордена Трудового Красного Знамени Кораблестроительный Институт Им.Адмирала С.О.Макарова Ступень центробежного компрессора
SU526721A1 (ru) * 1975-03-10 1976-08-30 Ленинградский Ордена Ленина Политехнический Институт Им.М.И.Калинина Лопаточный диффузор центробежного компрессора
SU572586A1 (ru) * 1976-02-17 1977-09-15 Николаевский Ордена Трудового Красного Знамени Кораблестроительный Институт Им.Адмилара С.О.Макарова Лопаточный диффузор центробежного компрессора
DE3028775A1 (de) * 1979-08-01 1981-03-26 Hitachi, Ltd., Tokio/Tokyo Diffusor fuer fliehkraft-arbeitsmaschine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU419639A1 (ru) * 1972-04-30 1974-03-15 Николаевский ордена Трудового Красного Знамени кораблестроительный институт имени адмирала С. О. Макарова Лопаточный диффузор центробежного компрессора
JPS53119411A (en) * 1977-03-28 1978-10-18 Yasutoshi Senoo Guide vane apparatus for centrifugal blower* compressor and pump*and method of producing the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6232298A (ja) * 1985-05-15 1987-02-12 ドレツサ−・インダストリ−ズ・インコ−ポレ−テツド 遠心コンプレツサあるいはそれに類似の装置用の拡散室
JPH1068398A (ja) * 1996-08-28 1998-03-10 Maruyama Mfg Co Ltd 遠心送風機

Also Published As

Publication number Publication date
DE3103595C2 (de) 1985-10-31
JPS6230320B2 (enExample) 1987-07-01
IT8167156A0 (it) 1981-02-05
US4421457A (en) 1983-12-20
CH651357A5 (de) 1985-09-13
IT1143361B (it) 1986-10-22
DE3103595A1 (de) 1982-01-28

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