Elektrischer Lüftermotor

An electric motor has an opening in the casing near the commutator with a non-return valve (22) to allow the entry of cooling air, but not in the reverse direction. The valve is either flush with the casing or mounted in a short tube projecting from it. The valve is a rubber flap held at one edge on...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FRANK, WOLFGANG, SCHEIDEL, WOLFGANG
Format:	Patent
Sprache:	ger
Schlagworte:	ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL DYNAMO-ELECTRIC MACHINES ELECTRICITY ENGINE PLANTS IN GENERAL GENERATION HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STEAM ENGINES TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	An electric motor has an opening in the casing near the commutator with a non-return valve (22) to allow the entry of cooling air, but not in the reverse direction. The valve is either flush with the casing or mounted in a short tube projecting from it. The valve is a rubber flap held at one edge on the inside. The fan wheel on the rotor shaft has a hollow cap (17) as a hub for the blades (19), and at the back of the cap, facing the motor, are short blades (20) which create reduced pressure to support the cooling air stream.