中文摘要：

在当前知识经济时代企业进入市场所面临的专利壁垒越来越多,其技术发展的空间越来越小。因此企业需要系统化创新方法来指导专利规避设计,在保证不侵犯现有专利权的前提下,利用现有专利技术的优势,高效、快速地开辟新技术市场。以专利侵权判定为依据,通过TRIZ中功能裁剪方法构建规避对象的功能模型,根据组件规避原则建立新产品的裁剪变体并确定问题或直接产生概念解,再应用TRIZ中的发明原理、标准解和效应库等来激发设计方案,形成了融合专利侵权判定与功能裁剪于一体的专利规避设计流程。应用该流程对我国的弧齿锥齿轮铣齿机进行案例分析。

英文摘要：

In the era of knowledge-based economy,the patent barriers are getting more and more serious for enterprises when they enter the market,the space for the development of their technology is getting smaller and smaller.Therefore systematical innovative methods are badly needed to guide the enterprises to design around patents and achieve better technology market without infringement on the basis of existing patents＇ technology advantages.The function trimming of TRIZ is applied to building the function model of existing patent obeyed to rules of patent infringement judgment and then the designer constructs trimming model of existing patent according to rules of patent infringement judgment and identifies the problems or gets solution of patent design around existing patent.The invention principles,standard solutions and effect in TRIZ are applied to solving the problems and then a conception is gotten.The integrated process for designing around patents though function trimming and patent infringement judgment greatly increases the possibility of design-around.The spiral bevel gear milling machine is analyzed as a case study by above integrated process.