| 초록 |
Fossil fuels lead to environmental problems and global warming due to the increase of greenhouse gases in the environment. Reducing the volume of greenhouse gases has become the primary policy task of advanced countries that manufacture vehicles. These environmental factors have decreased the combustion engine vehicle market, and increased the hybrid and electric vehicle market around the world. Combustion vehicles essentially need a transmission, while electric vehicles require a reducer. The current reducer has gear sets, which affect the reduction ratio, and chains could be applied to the reducer, instead of a gear. Applying chains could improve efficiency and the NVH of the reducer. This paper aimed to demonstrate efficiency through bench testing. The result showed that the method of applying chains could be improved. NVH performance bench testing was also conducted, resulting to improvement. |
