Blower blade assembly having counterbalancers

Details Blower blade assembly having counterbalancers Blower blade assembly having counterbalancers

1994-03-31

1995-11-28

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

With weight-balancing means

416178, F04D 2966

Patent

active

054702038

ABSTRACT:
A blower blade assembly has a plurality of blades, at least one of which is provided with a counterbalancer. The counterbalancer is of one-piece construction and includes a first arm having two contact areas spaced apart from each other and adapted to contact the first surface of the fan blade when the counterbalancer is mounted on the fan blade, a second arm having one contact area adapted to contact the second surface of the fan blade when the counterbalancer is mounted on the fan blade, and an elastic connecting bridge connecting the first and second arms together.

REFERENCES:
patent: 3315750 (1967-04-01), Delaney
patent: 4025231 (1977-05-01), Kochevar et al.
patent: 5011374 (1991-04-01), Miller
patent: 5236306 (1993-08-01), Hozak

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