全球科技经济瞭望2017，Vol.32Issue(2)：36-41,57,7.DOI:10.3772/j.issn.1009-8623.2017.02.007
基于专利分析的美国第四代航空发动机技术创新研究
Research on Technology Innovation of American Fourth Generation Aeroengine Based on Patent Analysis
摘要
Abstract
This paper analyzes the technology innovation of the American fourth-generation aeroengine, on the basis of patent data which are applied in America and collected by Derwent Innovation Index (DII) between 1990 and 2016, and the technology development trend, participating enterprises and research focus are also discussed. Results shows that the American fourth generation aeroengine has evolved from military to civil, the technology has developed from performance improving to cost saving. The research mainly focuses on the improvement of aeroengine blade structure, and large aviation enterprises are major technology innovators.关键词
美国/航空发动机/专利分析/技术创新Key words
America/aeroengine/patent analysis/technology innovation分类
航空航天引用本文复制引用
梁琴琴,郭晨..基于专利分析的美国第四代航空发动机技术创新研究[J].全球科技经济瞭望,2017,32(2):36-41,57,7.基金项目
国家科技图书文献中心(NSTL)重大专项服务资助项目"航空发动机与燃气轮机重大专项服务"(2016XM44). （NSTL）
