TH66912B - Rotor of electric motor and electric motor And blower and compressor - Google Patents

Abstract

DC60 (02/12/52) What is revealed in the rotor for electric motors, which can effectively arrange permanent magnets, the 100 rotor of the electric motor according to this invention consists of a rotor core (1) that has been built. By hammering electromagnetic steel sheets into a predetermined shape and stacking them. Electromagnetic steel by a predetermined amount; Several (2) magnetic insertion holes provided. Up on the rotor axis (1); A flat-shaped permanent magnet which has a face along the cutting line formed by the long side. And the short side that is inserted into the hole for the magnet; The chamfered portion (4a) among the intersections. Between the long and short sides of the permanent magnet (4) which is created at least on the intersection The adjacent crossover outer periphery unit of the rotor core (1) is revealed in the rotor for the electric motor, which can effectively arrange permanent magnets.The 100 rotor of the electric motor according to this invention consists of a rotor core ( 1) that was created By hammering electromagnetic steel sheets into a predetermined shape and stacking them. Electromagnetic steel of a predetermined amount; Several (2) magnetic insertion holes provided. Up on the rotor axis (1); A flat-shaped permanent magnet that faces the cutting line formed by the long side. And the short side that is inserted into the hole for the magnet; The chamfered portion (4a) among the intersections. Between the long and short sides of the permanent magnet (4) which is created at least on the intersection The adjacent cross, peripheral unit on the outside of the rotor axis (1).

Claims (3)

1.Rotor for electric motor It has the following components: A rotor core created by hammering a electromagnetic steel plate into a shape that Preset and stacking of electromagnetic steel sheets by a preset number; Several magnetic insertion holes arranged on the rotor axis. A flat-shaped permanent magnet that faces a cut that is made up of long sides and sides. A short one that is inserted into a hole for a magnet; And the chamfered part among the cross-intersections between the long and short sides of the magnet. A permanent magnet is established, at least on the adjacent cross-intersection, the peripheral unit of the rotor axis 2. A rotor for electric motors according to claim 1, where one permanent magnet is used for One magnetic pole 3.Rotor for electric motor It has the following components: A rotor core is created by hammering a electromagnetic steel plate into a shape that Predefined and preset number of electromagnetic magnetic master sheets stacking; Several holes for inserting multiple V-shaped permanent magnets are provided on the rotor axis; A flat-shaped permanent magnet that faces a cut that is made up of long sides and sides. The short one that is inserted into the screw hole; and The chamfered portion of the cross-intersection between the long side and the short side of the magnet. The permanent magnet will be established, at least on the adjacent cross-intersection, the peripheral unit of the rotor. 4. The rotor for the electric motor according to claim 3, where two permanent magnets are used for Bipolar magnetic poles 5. Rotor for electric motor according to Clause 1 to 4. In which mother lek A permanent magnet is inserted into the magnetic hole to create a gap in the corners of the surrounding side. The rotor core of the permanent magnet in the magnetic hole 6. The rotor for the electric motor according to claim 5, with the gap being created close to The adjacent part, the outer periphery of the rotor axis 7. The rotor for the electric motor in accordance with Clause 1 to 6, which is partially built. Which has a predetermined dimension in the radial direction between the axis of the rotor and the gap. 8. The rotor for an electric motor in accordance with Clause 1 to 7, where the part facing The chamfered portion of the permanent magnet other than the gap of the magnetic insertion hole is formed into a shape that fits the chamfered portion when applied. Create the chamfered sections on the cross-intersection of the long and short sides of the neighboring permanent magnet segments. The outer periphery of the rotor axis 9. The rotor for the electric motor according to claim 3 or 4, where each V-shaped permanent magnet insert hole is divided at its center. And there is a connection created between the permanent magnet holes that Each hole is divided 1 0. The rotor for the electric motor according to one of the claims 1 to 9 Where magnet Permanent is a magnet made from rare earths 1. 2. Stay in the air Which consists of the electric motor as described in Claim 11 1 3.Compressor consisting of an electric motor as described in claim 11