Brake disc for railroad vehicle

Brake disc for railroad vehicle

  • CN 102,245,923 B
  • Filed: 12/17/2009
  • Issued: 05/13/2015
  • Est. Priority Date: 12/19/2008
  • Status: Active Grant
First Claim
Patent Images

1. a Brake Disc of Railway Car, it comprise using surface side as slip surface annular disk-shaped plate portion, be radially darted at multiple fin part at the back side in this plate portion, above-mentioned plate portion is connected on wheel, it is characterized in that,Circumferentially rib is equipped with between adjacent above-mentioned fin part;

  • Groove is provided with from the wheel-side end portion of this rib towards the direction at the back side in above-mentioned plate portion on the intermediate portion edge of the circumferencial direction of this rib;

    Under the state coupled together with wheel, be 7000mm by the summation of the opening area formed by each above-mentioned groove in the cross section of above-mentioned rib circumferentially vertical profile 2below.

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