Air diffuser

Details Air diffuser Air diffuser

2011-04-19

2011-04-19

Rinehart, Kenneth B (Department: 3749)

Ventilation

Having inlet airway

Including specific air distributor

Reexamination Certificate

active

07927197

ABSTRACT:
A diffuser is provided for controlling flow of air in an air conditioning system. The diffuser has an air flow control baffle (B) that is controlled by pivoting arms (12). Two collars (62,62) actuate the arms (12) in cam fashion by acting on either of two cam surfaces (92,94) of each arm (12) to open or close the baffle (B). The collars (62,64) can move independently of each other towards and away from the respective cam surfaces (92,94), i.e. in an actuating direction. The diffuser includes a set point adjustment mechanism (132) for moving both the collars (62,64) in unison in the actuating direction, i.e. to adjust the heating and cooling set points simultaneously and includes an offset adjustment mechanism (150) for moving one of the collars (62,64) in the actuating direction relative to the other collar, i.e. to change the offset between the heating and cooling set points.

REFERENCES:
patent: 2712786 (1955-07-01), Argentieri et al.
patent: 5647532 (1997-07-01), de Villiers et al.
patent: 6105927 (2000-08-01), Zelczer et al.
patent: 6254010 (2001-07-01), De Villiers
patent: 2006/0052049 (2006-03-01), Caldwell et al.

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