No. | Location of company | Main products | Project name | Original situation | Domain problem | TRIZ problem | Domain solutions |
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1 | Qinhuangdao | Construction machineries | A new bridge girder erection machine for small curves | The development of high-speed railway in china needs a bridge girder erection machine for small curve roads. But structures for the machines used now are weighty and costs more for constructing the bridges over this king of roads | How to decrease the weight of the structures and costs of the machines and keep the functions and performances? | A technical contradiction | Two patents |
2 | Shijiazhuang | Valves with big diameters | A new glasses valve for energy saving | In some iron and steel plants stiffen plates are added to increase the strength of a glasses valve for its application in higher pressure situation. Sometimes a butterfly valve is needed. This results in some harmful effects, such as high cost, complex process, and increased weight | How to design a glasses valve which has ability to bear high pressures in double directions? At the same time the butterfly valve should not be needed for the new design | A technical contradiction | Two new products for the specific application |
3 | Xinhe | Drilling machines | Improvement of the structure for a spiral drilling rod | A structure attached to the spiral drilling rod for a kind of drilling machine could not fulfill the function of cleaning soil well. This results in low efficiency for drilling and safety problems | How to make redesign for the structure that cleans the soil well? | A technical contra-diction | A patent |
4 | Shijiazhuang | New product development | Improvement of assorting machine for specific bottles | A sorting machine for bottles is being developed. One function of the machine is to measure the inside and outside diameters of the bottles during transmitting them. The current design shows low measuring efficiency | How to overcome the contradiction between measuring efficiency and complexity? | Two technical contra-dictions | A new product, which has been developed and sold |
5 | Tianjin | Hydraulic machines | The heat radiation for electric element in a control system | The company is developing a big actuator and its control system. The electric element in the system will produce heat during the work. The working temperature for the element should not be higher than a certain numerical value | How to make a redesign for the specific electric element to reduce its working temperature? | Eight technical contra-dictions | New concept been developed for the heat radiation system |
6 | Baoding | Storage battery | Reduction of deformation in plastic slot of storage battery | The company has produced storage batteries for many years. The deformations of plastic slots in batteries result in leakage. The problem has not been solved for a long time | How to make a redesign of the slot? | One technical contra-diction | New design of the die for new slot |
7 | Shijiazhuang | Chemical machine | Improvement of heating efficiency | The heating efficiency of the current heating machine is low because the interactions of several factors | How to make a redesign of the embodiment for the heating machines? | Two technical contradictions and two physical contradictions | One patent |
8 | Langfang | Instruments | Improvement of a length measurement instrument | The degree of accuracy for existed length instrument is not satisfied by new users | How to change the principle of the instrument? | One standard problem | New design |
9 | Tangshan | Train | Reduction of the wear for bogie element | One element of bogie in a train produced in the company is easy to be worn. The situation should be improved | How to change the embodiment of the bogie? | One standard problem, one contradiction, one trimming problem, one evolution problem | New design (a patent) |
10 | Hengshui | Products made from engineering rubber | New product development for tunnel of railway | There is a new need for development of a new product for tunnels in order to reduce or stop the leakage of rail water | How to make the design? | Function solving | 7 patents |