CH648899A5 - Mit schaufeln versehener diffusor fuer eine stroemungsmaschine. - Google Patents

Mit schaufeln versehener diffusor fuer eine stroemungsmaschine. Download PDF

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Publication number
CH648899A5
CH648899A5 CH2666/80A CH266680A CH648899A5 CH 648899 A5 CH648899 A5 CH 648899A5 CH 2666/80 A CH2666/80 A CH 2666/80A CH 266680 A CH266680 A CH 266680A CH 648899 A5 CH648899 A5 CH 648899A5
Authority
CH
Switzerland
Prior art keywords
diffuser
blades
rib
flow
ribs
Prior art date
Application number
CH2666/80A
Other languages
German (de)
English (en)
Inventor
Hideo Nishida
Fumio Koseki
Ichiro Gyobu
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 CH648899A5 publication Critical patent/CH648899A5/de

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/045—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector for radial flow machines or engines
    • 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)
CH2666/80A 1979-04-06 1980-04-03 Mit schaufeln versehener diffusor fuer eine stroemungsmaschine. CH648899A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979044726U JPS55144896U (en, 2012) 1979-04-06 1979-04-06

Publications (1)

Publication Number Publication Date
CH648899A5 true CH648899A5 (de) 1985-04-15

Family

ID=12699438

Family Applications (1)

Application Number Title Priority Date Filing Date
CH2666/80A CH648899A5 (de) 1979-04-06 1980-04-03 Mit schaufeln versehener diffusor fuer eine stroemungsmaschine.

Country Status (5)

Country Link
US (1) US4354802A (en, 2012)
JP (1) JPS55144896U (en, 2012)
CH (1) CH648899A5 (en, 2012)
DE (1) DE3012904C2 (en, 2012)
IT (1) IT1128392B (en, 2012)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58101299A (ja) * 1981-12-14 1983-06-16 Hitachi Ltd 遠心圧縮機
CH663447A5 (de) * 1984-05-16 1987-12-15 Escher Wyss Ag Turbomaschine mit wenigstens einem radial durchstroemten laufrad.
US4626168A (en) * 1985-05-15 1986-12-02 Dresser Industries, Inc. Diffuser for centrifugal compressors and the like
DE3882463T2 (de) * 1987-09-01 1993-11-11 Hitachi Ltd Diffusor für Zentrifugalverdichter.
US4859145A (en) * 1987-10-19 1989-08-22 Sundstrand Corporation Compressor with supercritical diffuser
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
US4932835A (en) * 1989-04-04 1990-06-12 Dresser-Rand Company Variable vane height diffuser
JP2743658B2 (ja) * 1991-10-21 1998-04-22 株式会社日立製作所 遠心圧縮機
JP4625158B2 (ja) * 2000-05-29 2011-02-02 本田技研工業株式会社 遠心式コンプレッサ
US6540481B2 (en) * 2001-04-04 2003-04-01 General Electric Company Diffuser for a centrifugal compressor
US20070062679A1 (en) * 2005-06-30 2007-03-22 Agee Keith D Heat exchanger with modified diffuser surface
EP1860325A1 (de) * 2006-05-26 2007-11-28 ABB Turbo Systems AG Diffusor
TWI311611B (en) * 2006-08-25 2009-07-01 Ind Tech Res Inst Impeller structure and the centrifugal fan device using the same
DE102006048933A1 (de) * 2006-10-17 2008-04-24 Mtu Aero Engines Gmbh Anordnung zur Strömungsbeeinflussung
JP4795912B2 (ja) * 2006-10-30 2011-10-19 三菱重工業株式会社 可変ディフューザ及び圧縮機
US8328535B2 (en) 2007-02-14 2012-12-11 Borgwarner Inc. Diffuser restraint system and method
US7905703B2 (en) * 2007-05-17 2011-03-15 General Electric Company Centrifugal compressor return passages using splitter vanes
DE102008036633B4 (de) * 2008-08-06 2019-06-19 Continental Mechanical Components Germany Gmbh Turbolader mit einem Einlegeblech
US8100643B2 (en) * 2009-04-30 2012-01-24 Pratt & Whitney Canada Corp. Centrifugal compressor vane diffuser wall contouring
US8602728B2 (en) * 2010-02-05 2013-12-10 Cameron International Corporation Centrifugal compressor diffuser vanelet
CN102297016B (zh) * 2011-08-15 2012-12-12 无锡凯迪增压器配件有限公司 双叶片喷嘴系统的涡轮增压器
US9835161B2 (en) * 2012-02-27 2017-12-05 Mitsubishi Heavy Industries Compressor Corporation Rotary machine
JP2014047775A (ja) * 2012-09-04 2014-03-17 Hitachi Ltd ディフューザ、そのディフューザが備わる遠心圧縮機および送風機
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
JP6409072B2 (ja) 2014-03-18 2018-10-17 ゼネラル・エレクトリック・カンパニイ 主要ストラットと小型ストラットを備えた排気ガスディフューザ
US10066639B2 (en) 2015-03-09 2018-09-04 Caterpillar Inc. Compressor assembly having a vaneless space
US10006341B2 (en) 2015-03-09 2018-06-26 Caterpillar Inc. Compressor assembly having a diffuser ring with tabs
WO2016176605A1 (en) * 2015-04-30 2016-11-03 Concepts Nrec, Llc Biased passages in a diffuser and corresponding methods for designing such a diffuser
US11401947B2 (en) * 2020-10-30 2022-08-02 Praxair Technology, Inc. Hydrogen centrifugal compressor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR971224A (fr) * 1939-11-27 1951-01-15 Perfectionnements aux diffuseurs pour turbo-compresseurs et machines similaires
US2351516A (en) * 1940-05-24 1944-06-13 Bendix Aviat Corp Turbotransmission
US2373713A (en) * 1942-05-20 1945-04-17 Gen Electric Centrifugal compressor
US2406499A (en) * 1943-08-23 1946-08-27 Bendix Aviat Corp Fluid transmission
US3039736A (en) * 1954-08-30 1962-06-19 Pon Lemuel Secondary flow control in fluid deflecting passages
BE638547A (en, 2012) * 1962-10-29 1900-01-01
DE1937395A1 (de) * 1969-07-23 1971-02-11 Dettmering Prof Dr Ing Wilhelm Gitter zur Vermeidung der Sekundaerstroemung
DE2135286A1 (de) * 1971-07-15 1973-01-25 Wilhelm Prof Dr Ing Dettmering Lauf- und leitradgitter fuer turbomaschinen
SU419639A1 (ru) * 1972-04-30 1974-03-15 Николаевский ордена Трудового Красного Знамени кораблестроительный институт имени адмирала С. О. Макарова Лопаточный диффузор центробежного компрессора

Also Published As

Publication number Publication date
IT1128392B (it) 1986-05-28
DE3012904A1 (de) 1980-10-16
US4354802A (en) 1982-10-19
DE3012904C2 (de) 1983-01-05
JPS55144896U (en, 2012) 1980-10-17
IT8067523A0 (it) 1980-04-03

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