IT1143361B - Diffusore per turbomacchine particolarmente per compressori centrifughi - Google Patents

Diffusore per turbomacchine particolarmente per compressori centrifughi

Info

Publication number
IT1143361B
IT1143361B IT67156/81A IT6715681A IT1143361B IT 1143361 B IT1143361 B IT 1143361B IT 67156/81 A IT67156/81 A IT 67156/81A IT 6715681 A IT6715681 A IT 6715681A IT 1143361 B IT1143361 B IT 1143361B
Authority
IT
Italy
Prior art keywords
turbomachines
diffuser
centrifugal compressors
compressors
centrifugal
Prior art date
Application number
IT67156/81A
Other languages
English (en)
Other versions
IT8167156A0 (it
Inventor
Yoshinaga Yoichi
Kobayashi Hiromi
Ueda Shinjiro
Takada Yoshihiro
Nishida Hideo
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 IT8167156A0 publication Critical patent/IT8167156A0/it
Application granted granted Critical
Publication of IT1143361B publication Critical patent/IT1143361B/it

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)
IT67156/81A 1980-02-08 1981-02-05 Diffusore per turbomacchine particolarmente per compressori centrifughi IT1143361B (it)

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
IT8167156A0 IT8167156A0 (it) 1981-02-05
IT1143361B true IT1143361B (it) 1986-10-22

Family

ID=11841019

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67156/81A IT1143361B (it) 1980-02-08 1981-02-05 Diffusore per turbomacchine particolarmente per compressori centrifughi

Country Status (5)

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

Families Citing this family (32)

* 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
US4626168A (en) * 1985-05-15 1986-12-02 Dresser Industries, Inc. Diffuser for centrifugal compressors and the like
US4850795A (en) * 1988-02-08 1989-07-25 Dresser-Rand Company Diffuser having ribbed vanes followed by full vanes
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
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
DE69628462T2 (de) 1996-03-06 2004-04-01 Hitachi, Ltd. Kreiselverdichter sowie diffusor für kreiselverdichter
JPH1068398A (ja) * 1996-08-28 1998-03-10 Maruyama Mfg Co Ltd 遠心送風機
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
EP2948632B1 (en) 2013-01-23 2018-07-25 Concepts NREC, LLC Structures and methods for forcing coupling of flow fields of adjacent bladed elements of turbomachines, and turbomachines incorporating the same
DE102013018286A1 (de) * 2013-10-31 2015-04-30 Man Diesel & Turbo Se Radialverdichter
WO2015200533A1 (en) 2014-06-24 2015-12-30 Concepts Eti, Inc. Flow control structures for turbomachines and methods of designing the same
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
WO2022032296A1 (en) 2020-08-07 2022-02-10 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

Family Cites Families (10)

* 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
SU419639A1 (ru) * 1972-04-30 1974-03-15 Николаевский ордена Трудового Красного Знамени кораблестроительный институт имени адмирала С. О. Макарова Лопаточный диффузор центробежного компрессора
FR2187031A5 (it) * 1972-05-29 1974-01-11 Onera (Off Nat Aerospatiale)
SE376051B (it) * 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
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
DE3028775A1 (de) * 1979-08-01 1981-03-26 Hitachi, Ltd., Tokio/Tokyo Diffusor fuer fliehkraft-arbeitsmaschine

Also Published As

Publication number Publication date
US4421457A (en) 1983-12-20
DE3103595A1 (de) 1982-01-28
DE3103595C2 (de) 1985-10-31
IT8167156A0 (it) 1981-02-05
JPS6230320B2 (it) 1987-07-01
JPS56113097A (en) 1981-09-05
CH651357A5 (de) 1985-09-13

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990226