Venetian blind for solar heating

Details Venetian blind for solar heating Venetian blind for solar heating

1975-11-07

1977-01-11

Sprague, Kenneth W.

Stoves and furnaces

Ovens

Domestic

237 1A, F24J 302

Patent

active

040021599

ABSTRACT:
A venetian blind with a heat-absorptive surface on one side of the slats distributes solar heat into the ambient air of a room. For space heating the vertically-oriented, highly heat-absorptive surface of the blind has its temperature increased as solar radiation generally in the form of direct sunlight passes through the glass of the window sash and impinges on the energy-absorbing surface. Ambient air from the room moving by natural convective action, enters the air space between the window sash and venetian blind through openings in the bottom rail and between slats of the blind, passes over the heated surface in heat exchange relationship thereto, is warmed, leaves the air space through openings in the head rail of the blind and re-enters the enclosure at an elevated temperature. The other side of each slat of the blind has a reflective surface which when turned to receive the solar radiation, as in the summer, reduces heat entry into the room.

REFERENCES:
patent: 2595905 (1952-05-01), Telkes
patent: 2857634 (1958-10-01), Garbade et al.
patent: 2918709 (1959-12-01), Corcoran
patent: 3048375 (1962-08-01), Walker

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