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Rotary compressor and air conditioner having the same

  • US 20080145252A1
  • Filed: 12/15/2006
  • Published: 06/19/2008
  • Est. Priority Date: 12/15/2006
  • Status: Abandoned Application
First Claim
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1. A rotary compressor, comprising:

  • a casing which defines an inner space, wherein a suction pipe and a discharge pipe are each coupled to the casing;

    a driving motor installed in the inner space of the casing;

    at least one cylinder provided in the inner space of the casing;

    a plurality of bearing plates coupled to the cylinder so as to form a compression space with the cylinder, wherein the plurality of bearing plates are configured to support a rotation shaft of the driving motor;

    at least one rolling piston coupled to an eccentric portion of the rotation shaft and in linear contact with an inner circumferential surface of the cylinder; and

    at least one vane in contact with the rolling piston and configured to divide the compression space into a suction chamber and a compression chamber,wherein the driving motor includes;

    a stator comprising a plurality of stator plates laminated together and configured to be inserted into an inner circumferential surface of the casing, each stator plate having a plurality of protruding poles on which a coil is wound;

    a rotor comprising a plurality of rotor plates laminated together and configured to be rotatably disposed in the stator, wherein each rotor plate comprises a plurality of magnetic flux barriers formed therein, and wherein a width of each magnetic flux barrier in a radius direction and a width between adjacent magnetic flux barriers in the radius direction each increase towards the center of the driving motor; and

    a rotation shaft coupled to the center of the rotor and.

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