Internal-combustion engine cylinder liner

Internal-combustion engine cylinder liner

  • CN 204,511,683 U
  • Filed: 03/09/2015
  • Issued: 07/29/2015
  • Est. Priority Date: 03/09/2015
  • Status: Active Grant
First Claim
Patent Images

1. internal-combustion engine cylinder liner, comprise liner body (10), supporting shoulder (1) is established in the upper end of liner body (10), its outer surface establishes waistband (3), water jacket wall (4), lower waistband (5), it is characterized in that:

  • establish tool withdrawal groove (2) between supporting shoulder (1) and upper waistband (3), roll extrusion layer is established on tool withdrawal groove 2 surface.

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