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)
Structures Of Non-Positive Displacement Pumps
(AREA)
Dispositif de fixation d'un organe d'entraínement et mécanisme de manoeuvre d'une installation de fermeture ou de protection solaire comprenant un tel dispositif
Dispositif de fixation d'un organe d'entraínement et mécanisme de manoeuvre d'une installation de fermeture ou de protection solaire comprenant un tel dispositif