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Priority to PT7332181ApriorityCriticalpatent/PT73321B/en
Publication of PT73321ApublicationCriticalpatent/PT73321A/en
Publication of PT73321BpublicationCriticalpatent/PT73321B/en
The solar collector transfers the thermal energy of solar radiation to a liquid which is moved by thermo-convective action in a closed circuit, transferring the absorbed heat to a fluid contained in a vessel. The collector is provided with a valve which allows thermo-convective action of the liquid in one sense, while blocking it in the opposite sense.
PT7332181A1981-07-061981-07-06Solar collector for heating purposes
PT73321B
(en)
Solar radiation energy collector for heating water - has absorber with coated liquid reservoir serving primary heat exchanger and circulation controlled by thermostats
Heat engine using thermal expansion of heat transfer fluid - is heated by solar panel with heat exchanger rotatably mounted on vertical axis and closed pump circuit