Fan grill construction

Details Fan grill construction Fan grill construction

2007-04-17

2007-04-17

Edgar, Richard A. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Protective screen or guard

Water or marine propellers

Reissue Patent

active

10888969

ABSTRACT:
Improved fan grill/guard construction for fans for supplying air, where the fan has a front grill with an outer ring which wraps around and is dimensionally structured to improve airflow and to diffuse the air over a wide area.

REFERENCES:
patent: 2554602 (1951-05-01), Sutton
patent: 6015262 (2000-01-01), Huang
patent: 6015265 (2000-01-01), Lasko et al.
patent: 6071079 (2000-06-01), Litvin
patent: D427674 (2000-07-01), Moreno
patent: 6213718 (2001-04-01), Hill et al.
patent: 6309192 (2001-10-01), Litvin
patent: 6364618 (2002-04-01), Moreno

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