BRUSHLESS DIRECT CURRENT MOTOR
1 Assignment
0 Petitions
Accused Products
Abstract
BLDC motor including a stator with teeth which extend toward an inner side of a core and have a coil wound therearound; rotors disposed at an inner side of the stator and spaced apart from each other having a plurality of permanent magnets coupled to a core thereof; and hall sensors disposed and spaced apart to be opposite to an outer circumferential surface of the core of the rotor and disposed within a height range between both surfaces in a height direction of the core of the rotor to detect a change in a magnetic field in response to a rotation of the rotor, thereby accurately grasping positional information of a rotor and accurately controlling a rotation of the rotor by transmitting a magnetic flux generated from a permanent magnet of the rotor to a hall sensor enabling the hall sensor to detect a change in a magnetic field.
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Citations
22 Claims
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1-11. -11. (canceled)
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12. A BLDC motor, comprising:
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a stator provided with a plurality of teeth which extend toward an inner side of a core and have a coil wound therearound; rotors disposed at an inner side of the stator to be spaced apart from each other and having a plurality of permanent magnets coupled to a core thereof; and hall sensors disposed while being spaced apart from each other to be opposite to an outer circumferential surface of the core of the rotor and disposed within a height range between both surfaces in a height direction of the core of the rotor to detect a change in a magnetic field in response to a rotation of the rotor. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification