FR2259260A1 - - Google Patents

Info

Publication number
FR2259260A1
FR2259260A1 FR7502122A FR7502122A FR2259260A1 FR 2259260 A1 FR2259260 A1 FR 2259260A1 FR 7502122 A FR7502122 A FR 7502122A FR 7502122 A FR7502122 A FR 7502122A FR 2259260 A1 FR2259260 A1 FR 2259260A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7502122A
Other languages
French (fr)
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of FR2259260A1 publication Critical patent/FR2259260A1/fr
Withdrawn legal-status Critical Current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
    • F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
    • F04D29/448—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps bladed diffusers
    • 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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2238—Special flow patterns
    • F04D29/2255—Special flow patterns flow-channels with a special cross-section contour, e.g. ejecting, throttling or diffusing effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D31/00—Pumping liquids and elastic fluids at the same time

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR7502122A 1974-01-25 1975-01-23 Withdrawn FR2259260A1 (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH103574A CH575074A5 (nl) 1974-01-25 1974-01-25

Publications (1)

Publication Number Publication Date
FR2259260A1 true FR2259260A1 (nl) 1975-08-22

Family

ID=4200921

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7502122A Withdrawn FR2259260A1 (nl) 1974-01-25 1975-01-23

Country Status (8)

Country Link
JP (1) JPS50104402A (nl)
BE (1) BE824727A (nl)
CH (1) CH575074A5 (nl)
DE (1) DE2502509A1 (nl)
FR (1) FR2259260A1 (nl)
GB (1) GB1482017A (nl)
IT (1) IT1026578B (nl)
NL (1) NL7500112A (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2249135A (en) * 1990-10-03 1992-04-29 Mars G B Ltd A centrifugal impeller
WO2011014988A1 (zh) * 2009-08-04 2011-02-10 Yu Chun Kwan 一种离心压力泵及使用该离心压力泵的能量转换设备
CN106246605A (zh) * 2016-08-29 2016-12-21 江苏大学 一种采用双分流叶片的旋喷泵集流管
CN109322860A (zh) * 2018-10-25 2019-02-12 赖繁荣 一种离心通风机及污水处理系统

Also Published As

Publication number Publication date
JPS50104402A (nl) 1975-08-18
NL7500112A (nl) 1975-07-29
BE824727A (fr) 1975-07-24
CH575074A5 (nl) 1976-04-30
DE2502509A1 (de) 1975-07-31
IT1026578B (it) 1978-10-20
GB1482017A (en) 1977-08-03

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Legal Events

Date Code Title Description
ST Notification of lapse