干气密封技术专利现状分析

Analysis of Patent Current Situation of Dry Gas Seal Technique

从专利角度对干气密封技术进行分析,主要研究该领域国内外的专利申请发展趋势、主要申请人分布以及关键技术的发展脉络,为干气密封技术的进一步发展提供专利信息。

The paper analyzes the dry gas seal technique from the aspect of patent,mostly studies the developing trend of domestic and overseas patents of the field,distributing of main applicants,and development grain of the key technology,which provides patent information for further development of the field of the dry gas seal.