Permanent magnet coupler for adjustable air gaps

Permanent magnet coupler for adjustable air gaps

  • CN 1,316,721 C
  • Filed: 08/04/2000
  • Issued: 05/16/2007
  • Est. Priority Date: 08/04/1999
  • Status: Active Grant
First Claim
Patent Images

1. an adjustable magnetic shaft coupling, it comprises:

  • First and second rotating shafts with parallel rotation;

    One is contained in above-mentioned first cage of going up and surrounding above-mentioned axis;

    One magnet rotor, it is contained in above-mentioned second and goes up and radially extend from above-mentioned second in above-mentioned cage, and above-mentioned magnet rotor comprises permanent magnet;

    Two conductive units, they are delivered by above-mentioned cage movably, and separate with air gap and above-mentioned magnet in the end opposite of magnet rotor;

    AndThe air gap adjusting device, it is used for vertically controlling with respect to above-mentioned cage and magnet rotor the axial location of above-mentioned conductive unit, to change above-mentioned air gap selectively;

    It is characterized by, described air gap adjusting device is connected with described cage, and can rotate adjustment.

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