FR1173875A - Perfectionnements aux dispositifs de ventilation - Google Patents

Perfectionnements aux dispositifs de ventilation

Info

Publication number
FR1173875A
FR1173875A FR1173875DA FR1173875A FR 1173875 A FR1173875 A FR 1173875A FR 1173875D A FR1173875D A FR 1173875DA FR 1173875 A FR1173875 A FR 1173875A
Authority
FR
France
Prior art keywords
ventilation devices
ventilation
devices
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)
Inventor
Maurice Grandvuinet
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
Application granted granted Critical
Publication of FR1173875A publication Critical patent/FR1173875A/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
    • F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR1173875D 1957-05-02 1957-05-02 Perfectionnements aux dispositifs de ventilation Expired FR1173875A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1173875T 1957-05-02

Publications (1)

Publication Number Publication Date
FR1173875A true FR1173875A (fr) 1959-03-03

Family

ID=9658456

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1173875D Expired FR1173875A (fr) 1957-05-02 1957-05-02 Perfectionnements aux dispositifs de ventilation

Country Status (1)

Country Link
FR (1) FR1173875A (fr)

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