“This is the second time that Yuchai has won the National Science and Technology Progress Award!†said the head of the propaganda department of Guangxi Yuchai Machinery Co., Ltd. (hereinafter referred to as Yuchai) with excitement. January 10, 2014, at the 2013 annual National Science and Technology Awards Conference, Weifang Fuyuan supercharger Ltd., Tsinghua University, Yuchai, Shandong Fuyuan Power Equipment Co., Ltd. to "all engine operating state high boost key technology and its application The project won the Second Prize for National Science and Technology Progress. This award is mainly for Chinese citizens and organizations that have made creative contributions in technological innovation, promotion and application of advanced scientific and technological achievements, and promotion of high-tech industrialization. It is understood that the research direction of this award-winning project belongs to the international frontier and hotspot, and is mainly applied to high-strength, high-altitude plateau diesel engine, to reduce fuel consumption, improve the engine's plateau capability, and to break the monopoly of foreign booster technology. It is important to realize industrialization. Strong and strong joint efforts to tackle high pressure technology The improvement of internal combustion engine technology is the key to reducing the fuel consumption of automobiles. In addition, due to the large size and geographical differences in China, it is very important to solve the problem of the compatibility of internal combustion engines in the high-altitude environment. In order to solve these problems, as early as 2002, Yuchai began to cooperate with the Tsinghua Automotive Engineering Department and Weifang Fuyuan Turbocharger and other units to conduct research on the "high-pressure combustion engine key technologies and engineering applications" project. Yuchai Wang, the project leader and chief engineer of engine combustion technology for light vehicles, believes that increasing the intake density through high pressurization is the key to solving the problem of high-altitude environment adaptability of the internal combustion engine, and increasing the boost ratio and reducing the displacement are also the key factors. The main technical way of energy-saving of internal combustion engine. "The main advantage of this technology is that it can significantly increase the boost ratio and improve the engine's altitude capability," Wang Hui added. It is understood that high pressurization technology with a pressure ratio greater than 4.0 is the current frontier and hot spot of internal combustion engine research. China's internal combustion engine boost level is 3.5, and pressure boost ratios greater than 4.0 are completely dependent on foreign companies. The success of this technology and its application have broken the monopoly of foreign pressurization technology. According to R&D data, the engine using this technology has superior plateau performance and can guarantee no power reduction at an altitude of 3500 meters. From the author's point of view, the achievement of this project is closely related to the strength of its participants. The research and development capabilities of Tsinghua University's Automotive Engineering Department need not be described. Yuchai and Weifang Weifang Fuyuan Turbochargers all have state-level enterprise technology centers. Today, cooperative R&D is not new for auto parts companies. According to the annual list of national science and technology awards, the proportion of multi-cooperation projects completed in the number of awards has increased year by year. “As long as we have a complete understanding of the technology itself, and in the process of cooperation, the roles are clearly divided and coordinated and coordinated, then the cooperation model of production, learning, and research is a very good development opportunity for participants.†Tsinghua University Automotive Li Keqiang, head of engineering department, said. In fact, in today's increasingly fierce market competition, cooperation with other companies or universities to overcome key technologies not only shortens technology innovation time, apportions innovation costs, but also enhances the competitiveness of enterprises and realizes complementary advantages of multiple parties. Therefore, the cooperative R&D model is more suitable for the moment. The domestic auto parts companies. Technology diffusion boosts the positive effect of results Technological innovation has been regarded as the key to improving the core competitiveness of enterprises. The importance attached by various mainstream parts and components enterprises to technological innovation is self-evident. However, if a technological innovation result is not popularized and widely used, it cannot bring economic and social effects. Technology diffusion is the key to achieving the value of technological innovation. Referring to the China Science and Technology Award, Wei Anli, deputy secretary-general of the China Internal Combustion Engine Industry Association, said that the award paid great attention to the social and economic effects of the application. Only projects that performed well in both areas were eligible for the award. "In addition to the work on high-pressure ratio matching simulation, performance optimization and other technical aspects, Yuchai has also undertaken market promotion work in this project." Li Chunmei, the leader of Yuchai's responsible propaganda department, said, "The technological achievements of the project have been industrialized. We are based on The results have resulted in the development of a number of advanced supercharged engines." It is understood that this technology has been applied to a full range of engines in the Yuchai 4F platform, and light diesel engines are the main products. At present, the light diesel engine market is dominated by the engine of a foreign-funded enterprise occupying the high-end market, followed by the products of independent manufacturers in various countries. Therefore, from this point of view, the industrialization of the "high-pressure supercharged key technology and engineering application of internal combustion engines" project is indeed of great significance for companies to break the foreign technology monopoly. In addition, with the industrialization of technological achievements, its energy saving and environmental protection functions have also exerted social and economic effects. The data shows that the use of supercharging technology can make the gasoline engine reduce fuel consumption 5%-10%, so that the diesel engine to reduce fuel consumption by about 20%, but the technology is less in the small and medium-sized internal combustion engine applications. Yuchai's application of this technology to light-duty diesel engines will help light trucks and buses meet the national IV emission standards. 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