CENTRIFUGAL FAN IMPELLER Russian patent published in 1994 - IPC

Abstract RU 2009377 C1

FIELD: fans. SUBSTANCE: blades 7 are located between lifting and covering disks 3, 4, the covering disk is made with air inlet windows 5 parted by webs made integral with covering disk 4 and connected to hub 1. A perforated screen is located on the periphery of the blades. Disks 3, 4 are interconnected by pins, and blades 7 are formed by a cloth or plastic band drawn on pins, the ends of the band are interconnected. EFFECT: improved structure. 2 cl, 4 dwg

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RU 2 009 377 C1

Authors

Sazonov Igor' Zakharovich

Dates

1994-03-15—Published

1992-01-08—Filed