Solar liquid heating apparatus

Details Solar liquid heating apparatus Solar liquid heating apparatus

1976-06-16

1978-07-04

Sprague, Kenneth W.

Stoves and furnaces

Heaters

Surface

237 1A, F24J 302

Patent

active

040982645

ABSTRACT:
A solar apparatus is provided for heating liquids such as water, to a high temperature by utilizing a movable parabolic heat collector to concentrate the sun's rays associated with a special piping arrangement to obtain progressive liquid pre-heating; a collector tracking device including photocells and a collimating system for controlling the movement of the collector to maintain alignment with the sun; a device for modulating the flow of the heat transfer liquid between the collector and the storage to maintain optimum heat replenishment therebetween; and also a vacuum insulated heat exchanger to isolate the heat transfer liquid from the water being heated.

REFERENCES:
patent: 1425174 (1922-08-01), Cartter et al.
patent: 1951403 (1934-03-01), Goddard
patent: 3847136 (1974-11-01), Salvail
patent: 3861379 (1975-01-01), Anderson, Jr.
patent: 3903700 (1975-09-01), Glickman
patent: 3917942 (1975-11-01), McCay
patent: 3931806 (1976-01-01), Hayes
patent: 3985119 (1976-10-01), Oakes
patent: 3990430 (1976-11-01), Robertson
patent: 4000734 (1977-01-01), Matlock et al.

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