Innovative ideas generation is a key step in the innovative design of the products. Computer-aided innovation (CAI) systems based on TRIZ (Theory of inventive problem solving) support new ideas generation of innovation. The patterns and lines of technology evolution in TRIZ provide a powerful structured methodology for a directed development of new products. The concept of 'evolutionary potential' and the method to construct an evolutionary potential plot are introduced. The Innovative ideas

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... new product development can be generated by the analysis of the evolutionary potential. A general process of the innovative ideas generation is then developed. A butterfly valve's seal structure case study is presented to demonstrate the process.