IMPELLER OF AXIAL BLOWER

FIELD: blower manufacture, namely impellers of axial blow blowers. SUBSTANCE: impeller includes boss consisting of central sleeve and of two parallel plates coupled with sleeve. Said plates have protrusions whose number is equal to that of blades. Two inserts are arranged inside each protrusion. Bet...

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Bibliographische Detailangaben
Hauptverfasser:	MALANICHEV V.A, ZAJTSEV E.G, GALJUCHENKO A.M, EFREMOV A.A
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	FIELD: blower manufacture, namely impellers of axial blow blowers. SUBSTANCE: impeller includes boss consisting of central sleeve and of two parallel plates coupled with sleeve. Said plates have protrusions whose number is equal to that of blades. Two inserts are arranged inside each protrusion. Between two inserts duct is formed for placing stem of blade. Inserts have grooves arranged normally relative to plates having respective studs engaging with said grooves. Symmetry axis of each protrusion is shifted in parallel relative to corresponding diametrical axis of sleeve. EFFECT: redistribution of centrifugal load from blades to boss, possibility of desired change of attack angle of blades. 4 cl, 2 dwg