A convertiplane having a fuselage with a first axis; and two rotors having respective shafts and fitted to a wing having a fixed portion connected to the fuselage, and a movable portion which supports the rotors, is connected to the fixed portion to rotate about a second axis crosswise to the first
A convertiplane having a fuselage with a first axis; and two rotors having respective shafts and fitted to a wing having a fixed portion connected to the fuselage, and a movable portion which supports the rotors, is connected to the fixed portion to rotate about a second axis crosswise to the first axis and to the shafts of the rotors, and is formed in one piece defined by two half-wings located on opposite sides of the fixed portion and each supporting a respective rotor, and by an elongated member extending along the whole wing and connecting the two half-wings; the rotors being powered by a motor via a transmission comprising a transmission shaft connecting the shafts of the rotors and coaxial with the second axis.
대표청구항▼
1. A convertiplane (1) comprising: a fuselage (2) having a first axis (3); two rotors (14) with respective shafts (42); and drive means (12, 13) for driving the rotors (14);a wing (4) having a fixed portion (5) connected to the fuselage (2); and a movable portion (6) supporting the rotors (14) and c
1. A convertiplane (1) comprising: a fuselage (2) having a first axis (3); two rotors (14) with respective shafts (42); and drive means (12, 13) for driving the rotors (14);a wing (4) having a fixed portion (5) connected to the fuselage (2); and a movable portion (6) supporting the rotors (14) and connected to the fixed portion (5) to rotate about a second axis (7) crosswise to the first axis (3) and the shafts (42) of the rotors (14); andactuating means (37) for rotating the movable portion (6), about the second axis (7), between a lowered position and a raised position, in which the shafts (42) of the rotors (14) are substantially parallel to and substantially crosswise to the first axis (3) respectively;the convertiplane (1) being characterized in that the movable portion (6) is formed in one piece comprising two half-wings (8) located on opposite sides of the fixed portion (5) and each supporting a respective said rotor (14); and an elongated member (9) extending along the whole wing (4) and connecting the half-wings (8) to each other; and the drive means (12, 13) comprise motor means (13), and a transmission (12) in turn comprising a transmission shaft (41) connecting the shafts (42) of the rotors (14) and coaxial with the second axis (7),wherein the elongated member (9) defines a leading edge of the whole wing (4), and comprises a central portion (10) extending in front of the fixed portion (5). 2. A convertiplane as claimed in claim 1, wherein the movable portion (6) is connected to the fixed portion (5) by two spherical bearings (35) centred about the second axis (7) and on opposite sides of the first axis (3). 3. A convertiplane as claimed in claim 1, wherein the motor means (13) comprise a single central motor (13) fitted to the fuselage (2) and having a drive shaft (46) extending radially with respect to the transmission shaft (41). 4. A convertiplane as claimed in claim 1, wherein the transmission shaft (41) is connected directly to the shafts (42) of the rotors (14) by respective bevel gear pairs (43). 5. A convertiplane as claimed in claim 1, wherein the transmission (12) comprises a transmission casing (11) connected in rotary manner to the movable portion (6) of the wing (4). 6. A convertiplane as claimed in claim 5, wherein the transmission casing (11) defines a supporting member for the movable portion (6) of the wing (4), and is supported directly by the fuselage (2). 7. A convertiplane as claimed in claim 5, wherein the transmission shaft (41) extends through the transmission casing (11), which extends along the second axis (7); two spherical bearings (35), centred about the second axis (7), being fitted to the movable portion (6), and being fitted to the transmission casing (11) to connect the movable portion (6) to the transmission casing (11). 8. A convertiplane as claimed in claim 5, and comprising articulated supporting means (22, 23, 30) interposed between the transmission casing (11) and the fuselage 82) to connect the movable portion (6) to the fuselage (2). 9. A convertiplane as claimed in claim 5, wherein the transmission casing (11) comprises an input shaft (45), which rotates about a third axis (47), perpendicular to the second axis (7), and is connected angularly to the drive shaft (46). 10. A convertiplane as claimed in claim 5, wherein antirotation means (54) are provided to prevent the transmission casing (11) from rotating with the movable portion (6) of the wing (4) about the second axis (7). 11. A convertiplane as claimed in claim 9, wherein the antirotation means (54) comprise a tubular torsion body (53) of the motor means (13); the tubular torsion body (53) being coaxial with the third axis (47). 12. A convertiplane as claimed in claim 11, wherein the antirotation means (54) also comprise a tubular input body (44) of the transmission casing (11); the tubular input body (44) being coaxial with the third axis (47), and being hinged to the tubular torsion body (53) to form, with the tubular torsion body (53), an articulated tubular body (54) defining the antirotation means (54).
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이 특허에 인용된 특허 (4)
Dornier ; Jr. ; deceased Claudius (Viehrutenweg 3 late of Hochstadt DEX) Dornier-Tiefenthaler ; legal representative by Martine (Viehrutenweg 3 D-8031 Hochstadt DEX) Windischbauer Florian (Buerlinsha, Aircraft with engine pods tiltable about a transverse axis.
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