首先将ZN290型增压器性能同老产品做了对比。指出了它所具有的良好的社会、经济效益和广泛的推广应用前景。然后从设计的角度概括地说明了ZN290增压器的压气机部分、涡轮部分、零部件装配定位、主要零部件的选材、润滑和油封、冷却和隔热等方面的特点及其合理性和先进性。同时也指出了进一步改进、提高ZN290增压器性能和可靠性的方向。 First, ZN290 supercharger performance compared with the old product. Pointed out that it has a good social and economic benefits and a wide range of promotion and application prospects. Then from the design point of view, the ZN290 turbocharger compressor parts, turbine parts, components assembly positioning, the selection of the main components, lubrication and oil seal, cooling and thermal insulation, and other aspects of the characteristics and their rationality and advanced Sex. At the same time, it points out the direction of further improving and improving the performance and reliability of ZN290 supercharger.