CPC Subgroup
F03D 3/04 having stationary wind-guiding means, e.g. with shrouds or channels (F03D9/35 takes precedence)
Full Title
Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor (controlling thereof F03D7/06) > having stationary wind-guiding means, e.g. with shrouds or channels (F03D9/35 takes precedence)
3 direct subcodes
Child Classifications
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