Browsing 2009 by Title

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  • Schottky diodes based on anisotropic crystals 
    STAMOV, Ion; DOROGAN, Andrei; SÎRBU, Nicolae (Romanian Inventors Forum, 2009)
    Schottky diodes based on planar anisotropic structures of ZnP2 and diverse metals were elaborated. Electrical characteristics of Schottky diodes demonstrate the perspective of their usage as thermosensors or Zener diodes.
  • Small Power Wind Turbine with Horizontal Axle 
    BOSTAN, Ion; DULGHERU, Valeriu; SOBOR, Ion; SOCHIREANU, Anatol (Romanian Inventors Forum, 2009)
    Aeolian turbine includes three blades rotor with aerodynamic asymmetric profile. The wind orientation of the turbine is do by servomotor. The power of 10 kW is produced at wind speed of 11 m/s.
  • Small Power Wind Turbine with Vertical Axle 
    BOSTAN, Ion; VISA, Ion; DULGHERU, Valeriu; CIUPERCA, Radu (Romanian Inventors Forum, 2009)
    To increase the conversion efficiency of wind energy at speeds a new wind working element has been designed, based on combined effect of the Darrieus and Helical rotors. It has the shape of Darreus turbine with aerodynamic ...
  • Solar station with Stirling engine 
    BOSTAN, I.; DULGHERU, V.; DICUSARA, I.; CIOBANU, O.; CIOBANU, R. (Romanian Inventors Forum, 2009)
    The invention relates to the thermal power plants without fuel burning and CO2 production, namely to plants for solar energy conversion without solar cells. The solar station with Stirling engine includes a solar concentrator, ...
  • TE and TM mode separator for visible range based on anisotropic crystals 
    STAMOV, Ion; DOROGAN, Andrei; SÎRBU, Nicolae (Romanian Inventors Forum, 2009)
    The device is elaborated basing on CuGaS2 crystals that possess reflection and absorption optical anisotropy 300 and 10K. It was demonstrated that the absorption is 3000 times more intense at E||c polarization than it is ...
  • Voltage commutator used for protecting optoelectronic devices 
    DOROGAN, Andrei; STAMOV Ion, Ion; SÎRBU, Nicolae (Romanian Inventors Forum, 2009)
    Devices of a Me-crystal-Me structure and the active region of the anisotropic semiconductor crystal Ag3AsS3 were elaborated. The device possesses nonlinear optical characteristics of an N-type shape.

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