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    • 4. 发明申请
    • WIND ENERGY RECOVERY DEVICE FOR MOTOR VEHICLES AND MOTOR VEHICLE COMPRISING SUCH A DEVICE
    • WO2021198996A1
    • 2021-10-07
    • PCT/IB2021/052766
    • 2021-04-02
    • BREGOLI, Cristian
    • BREGOLI, Cristian
    • B60L8/00F03D1/04F03D9/32B60L8/006F05B2240/941
    • A wind energy recovery device (1) for motor vehicles comprises: - a tubular duct (2) through which an air flow (A) generated by a relative motion between the wind energy recovery device (1) and air of the surrounding environment can flow, having an air flow inlet portion (21), at which said air flow (A) enters the tubular duct (2), and an air flow outlet portion (22), at which said air flow (A) exits the tubular duct (2); - a primary rotor (3) and a secondary rotor (4) arranged in the tubular duct (2), which can be made to rotate by said air flow (A) and are operatively connected with electric power generation means (71, 72). The primary rotor (3) and the secondary rotor (4) can be made to rotate independently from each other and are configured and/or installed in said tubular duct (2) so that when the air flow (A) in the tubular duct (2) has a speed higher than a predetermined value at least said primary rotor (3) is made to rotate (3) and when the air flow (A) in the tubular duct (2) has a speed lower than said predetermined value at least said secondary rotor (4) is made to rotate. The primary rotor (3) and the secondary rotor (4) have respective rotation axes coinciding with a longitudinal center axis (X-X) of the tubular duct (2), and are operatively connected with the electric power generation means (71, 72) by means of respective coaxial shafts and wherein the shaft of the primary rotor (3) is at least partially rotatably received within the shaft (6) of the secondary rotor (4). The electric power generation means (71, 72) comprise at least one first rotor unit (71) rotatably integral with the primary rotor (3), at least one second rotor unit (72) rotatably integral with the secondary rotor (4), and corresponding stator units arranged around said at least one first and at least one second rotor units (71, 72). There is also described a motor vehicle comprising at least one wind energy recovery device (1) of the aforesaid type.