Air conditioner with a circular air diffuser system

Details Air conditioner with a circular air diffuser system Air conditioner with a circular air diffuser system

2006-04-04

2006-04-04

Joyce, Harold (Department: 3749)

Ventilation

Having inlet airway

Including specific air distributor

C454S296000, C454S330000

Reexamination Certificate

active

07022010

ABSTRACT:
A ceiling has an upper surface, a lower surface and a circular aperture. A boot has a cylindrical lower section and a large circular cross sectional configuration and with a cylindrical upper section and a small circular cross sectional configuration. The diameter of the circular aperture is slightly greater than the diameter of the lower section of the boot. The boot also includes a circular flange extending radially outwardly from the lower edge of the boot with threaded apertures around the flange. A grill has an exterior diameter equal to the exterior diameter of the flange. Threaded apertures are aligned with the apertures of the flange with bolts to removably couple the grill to the boot. The grill has a plurality of slots for the flow of air there through.

REFERENCES:
patent: 935187 (1909-09-01), Burgess
patent: 3815638 (1974-06-01), Martin
patent: 3866950 (1975-02-01), Skoch et al.
patent: 4175936 (1979-11-01), Lough et al.
patent: 4182227 (1980-01-01), Roy
patent: 5109756 (1992-05-01), Barboza et al.
patent: 5281187 (1994-01-01), Whitney, Jr.
patent: 5338255 (1994-08-01), Akehurst

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