BE744747A - IMPROVEMENTS TO HELICOID FANS - Google Patents

IMPROVEMENTS TO HELICOID FANS

Info

Publication number
BE744747A
BE744747A BE744747DA BE744747A BE 744747 A BE744747 A BE 744747A BE 744747D A BE744747D A BE 744747DA BE 744747 A BE744747 A BE 744747A
Authority
BE
Belgium
Prior art keywords
helicoid
fans
helicoid fans
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Lyonnaise Ventilation
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 Lyonnaise Ventilation filed Critical Lyonnaise Ventilation
Publication of BE744747A publication Critical patent/BE744747A/en

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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • F04D29/329—Details of the hub
BE744747D 1969-03-11 1970-01-21 IMPROVEMENTS TO HELICOID FANS BE744747A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6906329A FR2036217A5 (en) 1969-03-11 1969-03-11

Publications (1)

Publication Number Publication Date
BE744747A true BE744747A (en) 1970-07-01

Family

ID=9030242

Family Applications (1)

Application Number Title Priority Date Filing Date
BE744747D BE744747A (en) 1969-03-11 1970-01-21 IMPROVEMENTS TO HELICOID FANS

Country Status (5)

Country Link
BE (1) BE744747A (en)
CH (1) CH523431A (en)
FR (1) FR2036217A5 (en)
GB (1) GB1271782A (en)
NL (1) NL7003129A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54104013A (en) * 1978-02-03 1979-08-15 Hitachi Ltd Propeller fan with disk ring
JPS54109607A (en) * 1978-02-17 1979-08-28 Hitachi Ltd Electric fan
JPS54157311A (en) * 1978-06-02 1979-12-12 Hitachi Ltd Propeller fan with disk ring
JPS54157309A (en) * 1978-06-02 1979-12-12 Hitachi Ltd Outdoor unit for separate type air conditioner
JPS58144100U (en) * 1982-03-24 1983-09-28 日産自動車株式会社 Mixed flow fan
GB2290832A (en) * 1994-06-14 1996-01-10 Clive Felix Ure Means for linearizing an open air flow
DE9409826U1 (en) * 1994-06-17 1995-07-20 Nova Apparatebau Gmbh Blow-out fan

Also Published As

Publication number Publication date
NL7003129A (en) 1970-09-15
GB1271782A (en) 1972-04-26
DE2011588A1 (en) 1970-09-24
DE2011588B2 (en) 1972-12-14
FR2036217A5 (en) 1970-12-24
CH523431A (en) 1972-05-31

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: SOC. LYONNAISE DE VENTILATION INDUSTRIELLE SOLYV

Effective date: 19900121