Actuator for a heating/cooling diffuser

Details Actuator for a heating/cooling diffuser Actuator for a heating/cooling diffuser

1986-12-17

1987-10-13

Tapolcai, William E.

Automatic temperature and humidity regulation

Ventilator type

137875, 236101D, F24F 1310

Patent

active

046993142

ABSTRACT:
A diffuser is provided with three discharges. Two of the discharges are directed in one direction and, when installed, would be directed towards the outside wall of the conditioned space. The other discharge is directed in the opposite direction and would discharge into the interior of the conditioned space. Responsive to the temperature of the conditioned air being supplied, a thermally responsive actuator of shape memory alloy is in either one of two positions whereby either one of the two discharges in the one direction or the discharge in the opposite direction is blocked. This results in two discharges in one direction or one in each direction with the discharge area being the same in both instances.

REFERENCES:
patent: 2011546 (1935-08-01), Waltenberg
patent: 2022460 (1933-11-01), Dutcher
patent: 2057494 (1936-10-01), Leigh
patent: 2462198 (1949-02-01), Johnson
patent: 3166052 (1965-01-01), Parsons
patent: 3195441 (1965-07-01), Hedrick
patent: 3664582 (1972-05-01), Jackson et al.
patent: 4497241 (1985-02-01), Olkata
patent: 4535932 (1985-08-01), Herb
patent: 4537347 (1985-08-01), Noll et al.
patent: 4541326 (1985-09-01), Fukuda et al.

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