Refrigeration – Automatic control – Humidity sensor
Patent
1975-01-24
1976-03-30
Wye, William J.
Refrigeration
Automatic control
Humidity sensor
62262, 62419, 98 33R, 62180, 236 49, F25D 1704
Patent
active
039465756
ABSTRACT:
An economizer kit for attachment to the outside of a return air duct of air conditioning systems. The kit comprises what is termed a housing having end walls and side walls which define a conduit open at both ends. At one end of the conduit, there is a by-pass passage formed by two chambers that under certain operating conditions are in open communication with each other but under other operating conditions, are separated by a movable damper, one of these chambers is an inlet chamber for air from the return air duct of the air conditioning system, while the other chamber is an outlet chamber for air returning to the return air duct. At the opposite end, the conduit has a partition extending longitudinally part-way in the conduit thus deviding the conduit into an outlet passage for air from the inlet chamber and an inlet passage adapted to communicate with the outlet chamber. The outlet passage discharges to ambient atmosphere and the inlet passage receives ambient atmospheric air. There is a pivoted damper movable between a position closing the inlet air passage and a position separating the inlet and outlet chambers, the inlet passage being normally closed by the damper.
REFERENCES:
patent: 1938833 (1933-12-01), Irons
patent: 2218468 (1940-10-01), Haines
patent: 2628480 (1953-02-01), Feinberg
patent: 3789621 (1974-02-01), Inuzuka
Affronte Samuel J.
Barr Russell L.
Baisch J. C.
Wye William J.
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