Automatic temperature and humidity regulation – Ventilator type
Patent
1987-02-26
1987-12-08
Tapolcai, William E.
Automatic temperature and humidity regulation
Ventilator type
165 22, F24F 1306
Patent
active
047113944
ABSTRACT:
The disclosed energy management system pairs zones and respective HVAC units for the zones. In addition to each zone having conventional primary supply and return air diffusers connected to its HVAC unit, there is an additional diffuser in each zone connected to the HVAC unit of the paired zone. A valve controls the air flow from each HVAC unit: to only the primary diffusers for its zone; or to both the primary diffusers for its zone and the additional diffusers for the other paired zone. Control stats in each zone determines the HVAC demand for that zone; and responsive to the first demand from either zone, operate the HVAC unit for that zone. Simultaneously, the energy management control locks out the other HVAC unit to prevent its operation. Upon a concurrent demand from the paired zone, the valve of the first activated HVAC unit shifts, to divert some of its conditioned air to its paired zone. A thermostat sensing outdoor temperatures, allows the sytem to function only when the outdoor temperature is within a reasonably moderate range, approximately midway between the zone comfort temperature, such as 70.degree. F., and the lowest and/or highest design temperatures for the HVAC units.
REFERENCES:
patent: 2223287 (1940-11-01), Mingsland
patent: 4178764 (1979-12-01), Rowe
patent: 4406397 (1983-09-01), Kiwata et al.
patent: 4543796 (1985-10-01), Han et al.
Lind Charles F.
Tapolcai William E.
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