Heat exchange – With alarm – indicator – signal – register – recorder – test or... – Remotely controlled inspection means
Patent
1975-04-30
1977-04-19
Husar, C. J.
Heat exchange
With alarm, indicator, signal, register, recorder, test or...
Remotely controlled inspection means
165 16, 165 48, F25B 2900
Patent
active
040182665
ABSTRACT:
A fresh air ventilator system for a building or the like having a conditioned air plenum and a return air aperture communicating interiorly of the building, respectively, for circulation of conditioned air within the building, characterized by a ventilator unit disposed in a weather-proof cabinet on a sealing roof curb on the roof of the building. The ventilator unit includes a fresh air inlet adapted to admit fresh air and exclude precipitation and having a fresh air damper for controlling the quantity of fresh air from zero to the maximum; an air circulating blower suitably connected to effect circulation of air through the building; an exhaust means for at least periodically exhausting a portion of the return air; a proportioning damper disposed at the return air aperture for proportioning the amount of return air, from zero to the maximum, fed to the circulating blower; and air conditioning means for conditioning the air to be circulated. Also disclosed are specific preferred structural embodiments, controls, modes and operations; for example, the fresh air inlets, the return air exhaust means, the disposition of the condenser passageway and fan with respect to the fresh air inlet, and the splitter arrangement of the proportioning damper between circulated air and exhaust.
REFERENCES:
patent: 2202731 (1940-05-01), Crago
patent: 2401560 (1946-06-01), Graham et al.
patent: 2886955 (1959-05-01), Bauman
patent: 3252508 (1966-05-01), Goettl
patent: 3882928 (1975-05-01), Gazzo
patent: 3915376 (1975-10-01), Attridge, Jr. et al.
Command-Aire Corporation
Fails James C.
Husar C. J.
O'Connor Daniel J.
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