Method of securing a filter element to a blade of a fan

Details Method of securing a filter element to a blade of a fan Method of securing a filter element to a blade of a fan

1993-06-15

1994-08-30

Cuda, Irene

Metal working

Method of mechanical manufacture

Impeller making

2988972, 416 5, 416 91, B23D 1500

Patent

active

053415655

ABSTRACT:
A method of securing a filter element to a blade of a fan includes firstly, forming a cavity within a fan blade so that the cavity has a tip end oriented toward a tip of the fan blade and a root end oriented toward a root of the fan blade. Secondly, form at least one flow passage extending from one broad surface of a fan blade through the cavity to an opposed broad surface of the fan blade, such that air circulates through the cavity via the flow passages upon movement of the fan blade. Thirdly, form an access opening through which a filter element is inserted into the cavity.

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