Stoves and furnaces – Stoves – Cooking
Patent
1978-07-24
1980-10-07
Henry, Jon W.
Stoves and furnaces
Stoves
Cooking
126425, F24J 302
Patent
active
042265029
ABSTRACT:
A trough type solar collector or other body is mounted to rotate about a generally north-south pivotal axis. A balance weight is supported on an elongated heat sensitive beam anchored at its ends to the westerly side of the collector. The beam is adapted to bow away from the collector when it is heated by the sun's rays, thereby causing the balance weight to exert westward rotational force on the collector. A reflector may be positioned behind the beam to concentrate the sun's rays on the beam. A shutter is fixed to the collector to shade the beam when the collector is pointing toward the sun. Biasing means, such as a fixed weight secured to the easterly side of the collector, oppose the torque exerted by the balance weight and urge the collector to rotate eastwardly when the beam is unbowed. Damping means control the speed of westward and eastward rotation of the collector, and a pair of stops limit its westward and eastward travel. Alternative forms of heat sensitive support means for the balance weight and biasing means are shown and described. The motion of the solar tracking body can be utilized to control the orientation of other structures, such as adjustable louvres, with respect to the diurnal motion of the sun.
REFERENCES:
patent: 3982526 (1976-09-01), Barak
patent: 4022185 (1977-05-01), Von Hartitzsch
patent: 4027651 (1977-06-01), Robbins
patent: 4044752 (1977-08-01), Barak
patent: 4108154 (1978-08-01), Nelson
patent: 4158356 (1979-06-01), Wininger
Farber, E. A. et al., Jour. of Environmental Sciences, vol. 18, No. 3, pp. 11-12, May-Jun. 1975, pp. 11-12.
Finkel Robert Louis
Henry Jon W.
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