Cooling fan for vehicle air-conditioning unit

The cooling fan has an electric motor (5) rotating a fan wheel (4) which is contained in a spiral housing (3). The motor has one sidewall incorporating an air intake opening, and a second opposing sidewall incorporating an opening for the motor shaft and having a porous element (11) applied to its i...

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Bibliographische Detailangaben
Hauptverfasser:	HASHIMOTO, KATSUHIKO, TSUCHIURA, JP, FUKASAKU, YOSHINORI, HITACHI, JP, MIRUMACHI, MITSUAKI, MITO, JP, FUJINO, SHINICHI, HITACHI, JP
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The cooling fan has an electric motor (5) rotating a fan wheel (4) which is contained in a spiral housing (3). The motor has one sidewall incorporating an air intake opening, and a second opposing sidewall incorporating an opening for the motor shaft and having a porous element (11) applied to its inside wall. Pref. a sound absorbing function is provided by the porous element which is in the form of a plate and an air layer between the porous element and the second housing sidewall. The porous element is pref. made of a resilient material containing active carbon.