CPC Subgroup
F03D 3/02 having a plurality of rotors
Full Title
Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor (controlling thereof F03D7/06) > having a plurality of rotors
F03D 3/02 Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor (controlling thereof F03D7/06) > having a plurality of rotors