Fan attachment with dynamic out-of-balance equalization

Details Fan attachment with dynamic out-of-balance equalization Fan attachment with dynamic out-of-balance equalization

2005-06-21

2005-06-21

Look, Edward K. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Nonmetallic resilient mounting

C416S135000, C416S144000, C416S145000, C416S148000, C464S087000

Reexamination Certificate

active

06908284

ABSTRACT:
The invention is based on an axial fan with a hub region (4, 27) for connecting the axial fan with a driven shaft (20) of an electrical drive (21), whereby the axial fan is statically balanced by means of a balancing weight (26). A flexurally soft connection is formed in the hub region (4, 27) between the axial fan (1) and the driven shaft (20) of an electrical drive (21).

REFERENCES:
patent: 1760619 (1930-05-01), Woolson
patent: 2702087 (1955-02-01), Beier
patent: 3302867 (1967-02-01), Roffy
patent: 3368835 (1968-02-01), Hackforth
patent: 4917573 (1990-04-01), Sikula, Jr.
patent: 91 02 865 (1992-07-01), None
patent: 41 43 383 (1994-02-01), None
patent: 100 58 935 (2001-06-01), None
patent: 199 58 261 (2001-07-01), None
patent: 2 756 021 (1990-05-01), None
patent: 2756021 (1998-05-01), None
patent: 1 376 710 (1974-12-01), None

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