Title: Induction air mixing box control

Abstract: A control for an induction air mixing box for mixing conditioned primary air and induced secondary air for delivery at a substantially constant volume rate of flow into a condition controlled space, the volume rate of flow of primary air being maintained constant at a predetermined rate, said predetermined rate being resettable as a function of the sensed condition in the space. The induced rate of flow of secondary air is restricted as another function of the sensed condition, the change in rate of flow of the secondary air being inverse to that of the primary air.

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Inventors: Meyers, Frederick J. (Winnebago County, IL, US)
Zille, Marvin H. (Beloit, WI, US)

Application Number: 810235
Filing Date: 1977-06-27
Publication_date: 1979-04-10
Assignee: Barber-Colman Company (Rockford, IL)
Primary Class(es): 236/13 236/49.4
Other Classes:
US Patent Ref:

3516606	Jun, 1970	Edwards	236/13.
3604625	Sep, 1971	Waeldner	236/13.
3809314	May, 1974	Engelke et al.	236/49.
3883071	May, 1975	Meckler	236/13.
3934795	Jan, 1976	Ginn et al.	236/13.
3945565	Mar, 1976	Lynch et al.	236/49.
3989187	Nov, 1976	Osheroff	236/13.
3994434	Nov, 1976	Boyer et al.	236/49.
4042173	Aug, 1977	Boyer et al.	236/49.

Other Refs:
Primary Examiner: Mackey, Robert
Assistant Examiner:
Attorney: Koch; A. Richard