Rotors for electrically powered rotating machinery.

Abstract

ocr Rotor(12) to be provided in an electrically powered rotating machine(10) Rotor(12) It consists of a rotor shaft (22) which is arranged with a pair of flux barriers (40c,40d) and a gap area. (42)A pair of magnets (b,c) are provided in the flux barrier (40c,40d). Such pair of magnets (b,c) Each of the pair will have a rectangular shape in its cross-section at the spacing (42). It is positioned on the side that is further inward than the imaginary line (Lm) that connects it. Between the right angles on the inner sides (bi,ci) of the pair of magnets (b,c), the width is one. (Wq1) is defined by the shortest distance between the two flux barriers (40c,40d) such that the width The second (Wq2) is bounded by the distance from the gap area (42) to the intersection point (P), which is the region. Where an imaginary line (Lm) intersects the segment of the shortest line (Ls) whose length corresponds to the shortest distance. The furthest point is between any one of the magnets (b,c) in the pair and the second gap (42) width. (Wq2) will be smaller than the width of (Wq1).

Claims

ocr1. A rotor (12) to be provided in an electrically operated rotating machine (10), in which such rotor (12) is assembled with a cylindrical rotor shaft (22) which is provided with more than one flux barrier (40a,40b,40c,40d) consisting of a pair of flux barriers (40c,40d) which are arranged on opposite sides on each side in the direction of the rotor shaft (22) of the axis 4 which extends in the direction of the rotor shaft (22), in which a pair of magnets (b,c) are provided in such a way that the distance between the magnets (b,c) The pairs that lie on a plane perpendicular to the (O) axis of the rotor (22) are enlarged in the direction away from the outer perpendicular side of the rotor (22) to the inner perpendicular side of the rotor (22), and in such a way that each magnet (b,c) in such a pair has a rectangular shape in cross-section parallel to the perpendicular plane, where the gap region (42) provided in the rotor (22) is arranged on the axis and is positioned on the inner perpendicular side further inward than the imaginary line (Lm) connecting the inner perpendicular angles (bi,The ci) of a pair of magnets (b,c) on a perpendicular plane such that each angle on the inner perpendicular side (bi,ci) is one of the angles of the corresponding magnets (b,c) in the pair, which are positioned on the inner perpendicular side further inward than any other angle of the corresponding magnets (b,c), where the first width (Wq1) is bounded by the shortest distance between the pair of flux barriers (40c,40d) on the perpendicular plane, where the second width (Wq2) is bounded by the distance from the gap region (42) to the intersection point (P), which is where the imaginary line (Lm) intersects. with the shortest line segment (Ls) whose length corresponds to the shortest distance between any one of the magnets (b,c) in such pairs and the gap region (42) on the perpendicular plane and where the second width (Wq2) is smaller than the first width (Wq1).

2. The rotor (12) according to claim 1, with a second pair of magnets (B,C) arranged in addition to such a pair of magnets (b,c) which is the first pair of magnets (b,c) in the flux barrier (40c,40d), Wu Kang said in such a manner that they are symmetrical with respect to the axis 4 in such a manner that such a second pair of magnets (B,C) is positioned on the outer side of the first pair of magnets (b,c), where each second magnet in the pair (B,C) is rectangular in cross-section and parallel to the perpendicular plane such that the distance between these second magnets (B,C) on the perpendicular plane perpendicular to the axis (0) of the rotor shaft (22) increases in the direction away from the outer side of the rotor shaft (22) to the inner side of the rotor shaft (22), and such that the second magnets (B,C) which each Each side has a rectangular shape in cross-section, with each side having an extension that meets it, and where the imaginary line (L3) is a curve (Lm) with its center (S2) of an arc that extends to the intersection of the extensions of the sides of the two pairs of magnets (B,C) and passes through the right angles on the inner sides (bi,ci) of the first pair of magnets (b,c).

3. The rotor (12) according to claim 1 or 2, where the imaginary line (1m) is a straight line (1m) connecting the right angles on the inner sides (bi,ci) of the first pair of magnets (b,c).c) The pair 4. Rotor (12) under any of the claims of Claims 1-3, where more than one flux barrier (403.40b,40c,40d) provided in the rotor axis (22) will result in more than one section of a V-shaped arrangement pattern (PV), in which at least two of the more than one flux barriers (40a.40b,40c,40d) are arranged in a V or U shape which opens to the outer side of the rotor axis (22) in such a way that the V-shaped arrangement pattern More than one section (Pv) is arranged at fixed angular intervals around the axis (O), where axis 4 is the midline between every two adjacent sections (Pv) of the more than one section (Pv) arranged in the direction along the rotor axis (22), and where the said flux barrier (40c,40d) is two flux barriers (40c,40d) of more than one (403,40b,40c,40d) such that the two flux barriers (40c,40d) of more than one (40a,40b,40,40d) are arranged on opposite sides of the axis in the circumferential direction and in such a way that two of the more than one (403,40b,40c,40d) flux barriers are closer to the axis than any other flux barrier (403,40b) of the more than one (403,40b,40c,401) flux barriers are arranged in the circumferential direction.

5. Rotor (12) according to one of the claims of Reputations 1-4 where the second width (W92) is less than half the size of the first width (Wq1).

6. Rotor (12) according to one of the claims of Reputations 1-5 where the pair of flux barriers (40c,40d) are arranged symmetrically with respect to the axis and consist of individual magnetization areas with magnetization (b,c) The said axis is arranged so that it is symmetrical with respect to the axes and arranged in a way that creates an inverted V shape which opens to the surrounding inner side of the rotor axis(22), where the imaginary line(Lm) is a straight line(Lm) or a convex curve(Lm) that curves to the surrounding inner side of the rotor axis(22) and defines the magnetic flux contact area of ​​the pair of magnets(b,c), where the first width(W-1) is the width of the pole protrusion along the axis(Wq1) which allows the stator magnetic flux(fs) to pass through along the axis and where the second width(W92) is the width of the magnetic flux path along the axis(Wq2) which allows the stator magnetic flux(fs) to pass through the region between any one of the pair of magnets(b,c) and the gap region(42);,