Browsing 2020 by Author "DULGHERU, Valeriu"

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  • Aeolian-solar hybrid system for domestic water heating 
    BOSTAN, Ion; BOSTAN, Viorel; DULGHERU, Valeriu; DUMITRESCU, Cătălin; DUMITRESCU, Liliana (Romanian Inventors Forum, 2020)
    The invention relates to water heating systems, namely to heating water with wind and solar thermal energy. The problem that the invention solves is the widening of the technological possibilities, the increase of the ...
  • Aerodynamic wind rotor with vertical axis with variable angle of attack 
    BOSTAN, Viorel; BOSTAN, Ion; DULGHERU, Valeriu; CIUPERCĂ, Rodion; VACULENCO, Maxim; GUȚU, Marin; CIOBANU, Radu; CIOBANU, Oleg; ODAINÎI, Valeriu; GLADÂȘ, Vitalie; RABEI, Ion; PLATON, Andrei (Romanian Inventors Forum, 2020)
    The field of research refers to the creation of wind energy conversion devices, namely to the wind turbines with vertical axis. The wind turbine with vertical axis includes a tower on which a rotary shaft with blades with ...
  • Photovoltaic installation „Sunflower” 
    BOSTAN, Ion; BOSTAN, Viorel; DULGHERU, Valeriu; GUȚU, Marin; CIOBANU, Radu; CIOBANU, Oleg (Romanian Inventors Forum, 2020)
    The „Sunflower” type photovoltaic installation refers to the photovoltaic solar energy conversion plants, is, to the photovoltaic installations with self-orientation in the southern and azimuthal plane.

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