System for distributing air through a ceiling in a room

Details System for distributing air through a ceiling in a room System for distributing air through a ceiling in a room

1998-06-29

2000-02-29

Joyce, Harold

Ventilation

Having inlet airway

Including specific air distributor

454293, 454295, 454296, 454298, 454300, F24F 1306

Patent

active

060302879

ABSTRACT:
A system for distributing air through an opening in a ceiling into a room, the ceiling being supported by spaced apart joists or other ceiling structural members, the air being supplied by a duct located above the ceiling, including a plenum having an open top connected to the duct and an open bottom in communication with the ceiling opening. A support bar extends through the plenum and secured at its opposed ends to ceiling structural member. A motor hanger is secured to the support bar. An air diffuser is positioned in communication with the plenum open bottom. A fan motor is supported to the lower end of the motor hanger. A plurality of generally horizontally extending fan blades are attached to and rotated by the motor. Air is passed from the duct through the plenum and diffuser into the room, distribution of the air being augmented by the fan blades as rotated by the motor.

REFERENCES:
patent: Re33347 (1990-09-01), Johnson, III
patent: 165721 (1875-07-01), Fritz
patent: 2837991 (1958-06-01), DeRoo
patent: 3760708 (1973-09-01), Burup
patent: 4589331 (1986-05-01), Villamagna et al.
patent: 4598632 (1986-07-01), Johnson, III
patent: 4810207 (1989-03-01), Butterfiedl
patent: 5024412 (1991-06-01), Hung et al.
patent: 5029451 (1991-07-01), Imaiida et al.
patent: 5097674 (1992-03-01), Imaiida et al.
patent: 5564980 (1996-10-01), Becker

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