Fan control for variable air volume terminal unit

Details Fan control for variable air volume terminal unit Fan control for variable air volume terminal unit

1981-01-19

1982-10-05

Tapolcai, William E.

Automatic temperature and humidity regulation

Mixing fluid of dissimilar temperature

Plenum type

98 38F, 165 16, 236 49, G05D 2313

Patent

active

043524532

ABSTRACT:
Disclosed is a terminal unit for an air conditioning system. The apparatus has a common chamber for primary and secondary air and a throttling valve at the primary air duct connection controlled by a zone thermostat. The terminal unit fan is independently controlled by an air flow sensor located ahead of the throttling valve in order to prevent fan overload.

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patent: 4196849 (1980-04-01), Dehart et al.
patent: 4210278 (1980-07-01), Obler
patent: 4284237 (1981-08-01), Harris et al.

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