Research on Innovative Design and Evaluation of Agricultural Machinery Products

Table 7

Number of times inventive principles are used by improving shape parameters.

Principle of invention	Num	Principle of invention	Num	Principle of invention	Num	Principle of invention	Num
1. Segmentation	9	11. Cushion in advance	0	21. Rushing through	0	31. Use of Porous material	0
2. Extraction	5	12. Equipotentiality	0	22. Convert harm into benefit	4	32. Changing the color	7
3. Local conditions	2	13. Inversion	4	23. Feedback	0	33. Homogeneity	1
4. Asymmetry	5	14. Spheroidality	9	24. Mediator	0	34. Rejecting and regenerating parts	7
5. Combining	3	15. Dynamicity	9	25. Self-service	1	35. Transformation of physical and chemical states of an object	6
6. Universality	2	16. Partial or overdone action	2	26. Copying	4	36. Phase transition	1
7. Nesting	2	17. Moving to a new dimension	3	27. An inexpensive short-life object instead of an expensive durable one	0	37. Thermal expansion	1
8. Counterweight	1	18. Mechanical vibration	2	28. Replacement of a mechanical system	3	38. Using strong oxidizers	0
9. Prior counter	1	19. Periodic action	1	29. Use a pneumatic or hydraulic construction	5	39. Inert environment	1
10. Prior action	10	20. Continuity of useful action	0	30. Flexible film or hydraulic construction	2	40. Composite materials	5