FR1435094A - Improvements to fans or centrifugal pumps with adjustable flow - Google Patents

Improvements to fans or centrifugal pumps with adjustable flow

Info

Publication number
FR1435094A
FR1435094A FR7681A FR7681A FR1435094A FR 1435094 A FR1435094 A FR 1435094A FR 7681 A FR7681 A FR 7681A FR 7681 A FR7681 A FR 7681A FR 1435094 A FR1435094 A FR 1435094A
Authority
FR
France
Prior art keywords
fans
centrifugal pumps
adjustable flow
adjustable
pumps
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
FR7681A
Other languages
French (fr)
Inventor
Andre Buisson
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 filed Critical
Priority to FR7681A priority Critical patent/FR1435094A/en
Application granted granted Critical
Publication of FR1435094A publication Critical patent/FR1435094A/en
Expired 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
    • F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
    • F04D29/464—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps adjusting flow cross-section, otherwise than by using adjustable stator blades
FR7681A 1965-03-02 1965-03-02 Improvements to fans or centrifugal pumps with adjustable flow Expired FR1435094A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7681A FR1435094A (en) 1965-03-02 1965-03-02 Improvements to fans or centrifugal pumps with adjustable flow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7681A FR1435094A (en) 1965-03-02 1965-03-02 Improvements to fans or centrifugal pumps with adjustable flow

Publications (1)

Publication Number Publication Date
FR1435094A true FR1435094A (en) 1966-04-15

Family

ID=1577927

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7681A Expired FR1435094A (en) 1965-03-02 1965-03-02 Improvements to fans or centrifugal pumps with adjustable flow

Country Status (1)

Country Link
FR (1) FR1435094A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2307329A1 (en) * 1972-02-25 1973-09-06 Svenska Flaektfabriken Ab ORGAN FOR REGULATING A MEDIUM FLOW, IN PARTICULAR THE AIR FLOW OF A CENTRIFUGAL FAN
FR2485115A1 (en) * 1980-06-23 1981-12-24 Carlini Gerardo Centrifugal blower with adjustable pre-diffuser - uses movable cylinder coaxial with inlet duct and fitting over fixed ring to define variable volume facing blower wheel
EP0867619A2 (en) * 1997-03-26 1998-09-30 Air Handling Engineering Ltd. Fan system with variable air volume control
CN111425449A (en) * 2020-04-27 2020-07-17 西安航空学院 Small △ H impeller device of variable-flow centrifugal pump

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2307329A1 (en) * 1972-02-25 1973-09-06 Svenska Flaektfabriken Ab ORGAN FOR REGULATING A MEDIUM FLOW, IN PARTICULAR THE AIR FLOW OF A CENTRIFUGAL FAN
FR2485115A1 (en) * 1980-06-23 1981-12-24 Carlini Gerardo Centrifugal blower with adjustable pre-diffuser - uses movable cylinder coaxial with inlet duct and fitting over fixed ring to define variable volume facing blower wheel
EP0867619A2 (en) * 1997-03-26 1998-09-30 Air Handling Engineering Ltd. Fan system with variable air volume control
EP0867619A3 (en) * 1997-03-26 1999-12-01 Air Handling Engineering Ltd. Fan system with variable air volume control
CN111425449A (en) * 2020-04-27 2020-07-17 西安航空学院 Small △ H impeller device of variable-flow centrifugal pump

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