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Publication of BE694756ApublicationCriticalpatent/BE694756A/fr
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
F04D25/082—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provision for cooling the motor