DE3028775C2 - - Google Patents

Info

Publication number
DE3028775C2
DE3028775C2 DE3028775A DE3028775A DE3028775C2 DE 3028775 C2 DE3028775 C2 DE 3028775C2 DE 3028775 A DE3028775 A DE 3028775A DE 3028775 A DE3028775 A DE 3028775A DE 3028775 C2 DE3028775 C2 DE 3028775C2
Authority
DE
Germany
Prior art keywords
width
guide vanes
channel
diffuser channel
guide
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.)
Expired
Application number
DE3028775A
Other languages
German (de)
English (en)
Other versions
DE3028775A1 (de
Inventor
Yoichi Yoshinaga
Kuninobu Ibaraki Jp Morita
Shinjiro Kashiwa Jp Ueda
Hideo Nishida
Yoshihiro Ibaraki Jp Takada
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
Priority claimed from JP54097273A external-priority patent/JPS608359B2/ja
Priority claimed from JP13640179A external-priority patent/JPS6027839B2/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE3028775A1 publication Critical patent/DE3028775A1/de
Application granted granted Critical
Publication of DE3028775C2 publication Critical patent/DE3028775C2/de
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)
DE19803028775 1979-08-01 1980-07-29 Diffusor fuer fliehkraft-arbeitsmaschine Granted DE3028775A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP54097273A JPS608359B2 (ja) 1979-08-01 1979-08-01 遠心圧縮機のディフュ−ザ
JP13640179A JPS6027839B2 (ja) 1979-10-24 1979-10-24 遠心圧縮機のディフュ−ザ

Publications (2)

Publication Number Publication Date
DE3028775A1 DE3028775A1 (de) 1981-03-26
DE3028775C2 true DE3028775C2 (en, 2012) 1987-10-01

Family

ID=26438455

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803028775 Granted DE3028775A1 (de) 1979-08-01 1980-07-29 Diffusor fuer fliehkraft-arbeitsmaschine

Country Status (3)

Country Link
CH (1) CH650563A5 (en, 2012)
DE (1) DE3028775A1 (en, 2012)
IT (1) IT1130815B (en, 2012)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56113097A (en) * 1980-02-08 1981-09-05 Hitachi Ltd Diffuser for centrifugal hydraulic machine
FR2529966B1 (fr) * 1982-07-08 1987-03-20 Chausson Usines Sa Compresseur centrifuge a faible energie cinetique
US4902200A (en) * 1988-04-25 1990-02-20 Dresser-Rand Company Variable diffuser wall with ribbed vanes
RU2181855C2 (ru) * 2000-02-08 2002-04-27 Журавлев Юрий Иванович Безлопаточный диффузор центробежного нагнетателя
DE102011109535B4 (de) * 2011-08-05 2013-08-08 Sew-Eurodrive Gmbh & Co. Kg Lüfteranordnung und Motor
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

Family Cites Families (3)

* 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
FR2187031A5 (en, 2012) * 1972-05-29 1974-01-11 Onera (Off Nat Aerospatiale)
SU522343A1 (ru) * 1974-01-18 1976-07-25 Николаевский Ордена Трудового Красного Знамени Кораблестроительный Институт Им.Адмирала С.О.Макарова Ступень центробежного компрессора

Also Published As

Publication number Publication date
DE3028775A1 (de) 1981-03-26
IT1130815B (it) 1986-06-18
CH650563A5 (en) 1985-07-31
IT8068231A0 (it) 1980-07-31

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition