COMBINATION AXIAL-FLOW FAN

A high-performance low-noise combination axial-flow fan includes a fan hub that has a center connection portion for the connection of a fan motor shaft and a plurality of mounting grooves equiangularly spaced around the periphery, and fan blades each having a wedge block disposed at the inner end fo...

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Bibliographische Detailangaben
1. Verfasser:	YU CHIENUN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A high-performance low-noise combination axial-flow fan includes a fan hub that has a center connection portion for the connection of a fan motor shaft and a plurality of mounting grooves equiangularly spaced around the periphery, and fan blades each having a wedge block disposed at the inner end for insertion into one mounting groove to secure the respective fan blade to the fan hub so that the fan blades are radially fastened to the fan hub and no gap is seen between each two adjacent fan blades when viewed from the front side.