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FR484954A - Ventilateur centrifuge silencieux - Google Patents

Ventilateur centrifuge silencieux

Info

Publication number
FR484954A
FR484954A FR484954DA FR484954A FR 484954 A FR484954 A FR 484954A FR 484954D A FR484954D A FR 484954DA FR 484954 A FR484954 A FR 484954A
Authority
FR
France
Prior art keywords
centrifugal fan
quiet centrifugal
quiet
fan
centrifugal
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
Other languages
English (en)
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.)
EXPL DES BREVETS SCHOEDELIN
Original Assignee
EXPL DES BREVETS SCHOEDELIN
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 EXPL DES BREVETS SCHOEDELIN filed Critical EXPL DES BREVETS SCHOEDELIN
Application granted granted Critical
Publication of FR484954A publication Critical patent/FR484954A/fr
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
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/084—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation hand fans
    • F04D25/086—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation hand fans hand operated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR484954D 1917-03-30 1917-03-30 Ventilateur centrifuge silencieux Expired FR484954A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR484954T 1917-03-30

Publications (1)

Publication Number Publication Date
FR484954A true FR484954A (fr) 1917-11-27

Family

ID=1521702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR484954D Expired FR484954A (fr) 1917-03-30 1917-03-30 Ventilateur centrifuge silencieux

Country Status (1)

Country Link
FR (1) FR484954A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2898031A (en) * 1954-09-24 1959-08-04 Voigt Woldemar Vaneless diffuser for radial flow machines
US2973894A (en) * 1957-06-17 1961-03-07 Turbo Res Corp Centrifugal compressor for starting jet engines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2898031A (en) * 1954-09-24 1959-08-04 Voigt Woldemar Vaneless diffuser for radial flow machines
US2973894A (en) * 1957-06-17 1961-03-07 Turbo Res Corp Centrifugal compressor for starting jet engines

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