Is it a priority to develop traditional energy vehicles or new energy vehicles? The industry has been arguing about this. Not long ago, former Minister of State Ministry of Machinery Industry and now Honorary President of the China Association of Automobile Manufacturers He Guangyuan said in an interview with this reporter that at present, new energy vehicles have a long way to replace traditional gasoline and diesel vehicles. Currently, we We must not only focus on new energy, but also improve the energy of traditional vehicles. We can improve energy-saving and emission-reduction through the improvement of new materials and new technologies by improving the assembly of engines and transmissions.
As a veteran of the automotive industry, He Guangyuan's words will undoubtedly have implications. However, some of the practices of domestic auto companies also provide support for Guangyuan's argument. Not long ago, China’s largest engine company, Guangxi Yuchai, introduced several new models in a row on traditional diesel engines, using new technologies to make changes, so that traditional energy engines have energy-saving and emission reduction effects that are close to new energy technologies. .
On December 21, 2009, Yuchai announced the world’s first renewable air hybrid engine. Renewable air hybrid technology is based on the existing internal combustion engine technology, without adding any battery, motor and other power systems, using patent technology jointly developed by Yuchai and foreign scientific research institutes to recover the engine during braking. The compressed air produced is managed through the effective management of the compressed air recovered and reused in the engine start/stop control, low-speed boost compensation, vehicle pneumatic system air supply compensation, etc. It is the use of city buses that consumes significantly less fuel and CO2 emissions. Experiments have shown that installing the device for every 1000 urban buses can save 200,000 liters of diesel per year for operating companies, which is equivalent to a reduction of 600 tons of CO2 emissions per year. In addition, the technology also improves engine performance, reduces maintenance costs, and significantly improves the acceleration of the vehicle.
On December 28, 2009, Guangxi Yuchai announced another major breakthrough in energy conservation and emission reduction. Yuchai's YC6J350-40 and YC4FA185-40 two-stage supercharged low-carbon, energy-efficient and high-efficiency engines have been successfully installed in trial operation.
Yu Ping, chairman of Yuchai Machinery Co., Ltd., said in an interview with our correspondent that the two new models have achieved power ratings of 40kW/L and 45.3kW/L, respectively, which means that the YC6J's 6.5-liter displacement has been achieved. The power level of an ordinary 8.4 litre diesel engine. YC4FA's 3-liter displacement has reached the average 4.5-liter diesel engine power level. If these two engines are put into practical road passenger transport, each vehicle can at least reduce carbon dioxide emissions by 5 tons per year. If it is calculated on 1,000 vehicles, the annual At least 5,000 tons of carbon dioxide emissions can be reduced. In addition to its low-carbon emissions characteristics, the engine also features outstanding lightweight energy-saving features.
It can be said that both the successful application of the renewable air hybrid technology and the two-stage supercharged diesel engine's loading test run fully embody Yuchai’s core philosophy of “green development, harmony and mutual benefit†and “technology first, "Green win-win" has always been the aim. As the largest internal combustion engine manufacturer in China, over the years, Yuchai has been placing product technology development in a prominent position, taking the principle of “leadership and applicationâ€, and always insisting on “production generation, R&D generation, and planning generationâ€, focusing on “improving product technology level. The technological innovation route to improve product structure has launched a series of product development. Whether it is from a vortex engine to a direct injection engine, or from a supercharged engine to a supercharged intercooled engine to an electronically controlled engine, every time the product is upgraded, Yuchai has been at the forefront of the domestic industry and has effectively promoted the internal combustion engine in China. Improvement of technology.
The issuance of the above two new technologies gave full play to the industrialization capability of Guangxi Yuchai and the scientific research capabilities of other cooperative units, and achieved mutual complementarity and common development between the two parties. At the same time, it can set an example for other companies in improving the traditional energy breakthroughs in energy conservation and emission reduction.
View related topics: Yuchai won the "China Brand Annual Award NO.1" (internal combustion engine) title in 2007
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