Method and apparatus for circulating air

Details Method and apparatus for circulating air Method and apparatus for circulating air

1993-12-01

1996-10-22

Kwon, John T.

Ventilation

Having inlet airway

With air pump

454257, F24F 706

Patent

active

055672000

ABSTRACT:
A method and apparatus for circulating air. The apparatus includes a motor for rotating the blades of a fan. The apparatus also includes a housing for the fan having a wall which is disposed proximate to the blades in the fan in a spaced relationship thereto. In addition, the apparatus includes a motor mount which is operable to support the wall of the housing so as to substantially maintain the spaced relationship between the wall and the blades of the fan.

REFERENCES:
patent: 1604448 (1926-10-01), Hosch
patent: 1642205 (1927-09-01), Hosch
patent: 2650021 (1953-08-01), Morrill
patent: 4353680 (1982-10-01), Hiraoka et al.
Brochure entitled "36 " and 48 " Grower Fans," Aerotech, Inc., Jan., 1993.
Brochure entitled "Controlled Environment Systems for Farm Buildings--Type NBF Fans," American Coolair Corporation, Mar., 1992.
Brochure entitled "Controlled Environment Systems for Farm Buildings: Farm Building Ventilation--Type NCF Fans," American Coolair Corporation, Nov., 1992.
Brochure entitled "Assembly Instructions and Parts Manual: Vertical Belt-Drive Fans--Models 3C145 through 3C151A," Dayton Electric Manufacturing Co. (undated).
Brochure entitled "Create Profits Through Proper Ventilation," Hired-Hand Inc. (undated).

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