Magnetic motor
A magnetic motor is obtained which is free from pass-through current, and which can achieve high output torque, stable rotation and high efficiency. The motor comprises rotors 4, 5 having permanent magnets 12 and rotatably disposed around a rotating axis, a magnetic sensor 25 disposed at a periphery...
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Main Author | |
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Format | Patent |
Language | English |
Published |
10.11.2005
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Summary: | A magnetic motor is obtained which is free from pass-through current, and which can achieve high output torque, stable rotation and high efficiency. The motor comprises rotors 4, 5 having permanent magnets 12 and rotatably disposed around a rotating axis, a magnetic sensor 25 disposed at a periphery of the rotors and a plurality of electro-magnetic coils 10, and control means which controls electric current to the electro-magnetic coils 10 based on detection of magnetism from the permanent magnets 12 by means of the magnetic sensor 25. The rotor is equidistantly divided in a circumferential direction into a plurality of regions, the number of which is the same as that of the electro-magnetic coils 10. Each region comprises a portion wherein a plurality of permanent magnets 12 are disposed in a circumferential direction and a portion wherein no permanent magnets 12 are disposed. Each permanent magnet is disposed inclined against a radial line extending outwardly from the rotating axis. The current supply control means 30 switches the direction of the electric current to the electro-magnetic coils based on the signal from the magnetic sensor and supplies electric current after a lapse of predetermined time from the detection of magnetism by means of the magnetic sensor. |
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Bibliography: | Application Number: AU20020237542 |