Punched sheet for AC asynchronous motor

Punched sheet for AC asynchronous motor

  • CN 201,274,423 Y
  • Filed: 10/07/2008
  • Issued: 07/15/2009
  • Est. Priority Date: 10/07/2008
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of stator punching that is used for AC asynchronous motor, circular hole (2) in the hollow has been made at the middle part of stator punching (1), be distributed with the some punching grooves (3) that are provided with along the radial direction of stator punching (1) in the hollow on the hole wall of circular hole (2), the punching groove (3) that it is characterized in that some non-uniform Distribution is divided into some punching groove groups (4), the punching groove (3) that it is Rx that every group of punching groove group (4) contains 2 groove top radiuses and 2 punching grooves (3) that groove top radius is Ry.

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