Centrifugal fan wheel with changeable pitch blades

A centrifugal fan wheel is provided with blades 10 which may have their pitch changed through circumferential movement of a ring 30 tied to an outer tube 28 encompassing a drive shaft 24 and capable of having its rotative position relative thereto changed, through the axial movement of a control rod...

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Bibliographische Detailangaben
Hauptverfasser: BARLASS, JOHN W
Format: Patent
Sprache:eng
Schlagworte:
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