Impeller and housing assembly with reduced noise and improved airflow

An impeller and housing assembly with reduced noise and improved airflow includes a volute, a shaft, a housing, a central axis, and an inlet port located along the central axis. An outlet port is located on a second axis spaced from the central axis. An exhaust passage extends from the outlet port....

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Bibliographische Detailangaben
Hauptverfasser:	MANN, III J. ADIN, MCKEE ROBERT N, ZLATIC DOUG S
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING FURNITURE HEATING HUMAN NECESSITIES LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SPICE MILLS SUCTION CLEANERS IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	An impeller and housing assembly with reduced noise and improved airflow includes a volute, a shaft, a housing, a central axis, and an inlet port located along the central axis. An outlet port is located on a second axis spaced from the central axis. An exhaust passage extends from the outlet port. The impeller is mounted on the shaft for rotation. The impeller includes a hub, and at least one blade extending from the hub. The blade has a distal surface spaced from the shaft. The impeller housing has a first plane which is approximately perpendicular to the central axis. The first plane contacts the blade distal surface. A second plane is parallel to and spaced apart from the first plane. The second plane contacts a wall of the outlet port at a location closest to the first plane. A spacing wall is positioned between the volute and the outlet port and spaces each blade from the outlet port, thus reducing noise and increasing airflow.