自本世纪60年代以来,世界各国特别是工业发达国家,对降低油锯振动和噪声、减轻重量、改善排放、保障安全作业等主要方面进行了大量的研究工作,并取得了较大成效.①利用现代技术,改进动力系统.德、日、瑞典等国家都把电子技术应用于油锯发动机,采用电子点火.瑞典两家公司还分别开发油锯用发动机的增压式化油器技术和高效空气净化技术.从而减少了发动机进气中所含杂质和清洗空滤器的次数,同时改善了发动机的性能.目前,微电脑技术也得到了初步应用. Since the 1960s, all countries in the world, especially industrialized countries, have done a great deal of research on reducing the vibration and noise of chain saws, reducing the weight, improving emissions and ensuring safe operation. Using modern technology to improve the power system.Electronic technology is applied to the chain saw engine in Germany, Japan, Sweden and other countries using electronic ignition.The two companies in Sweden are also developing booster carburetor technology and efficient Air purification technology, thus reducing the number of impurities contained in the intake air and cleaning the air filter, while improving the performance of the engine.Currently, micro-computer technology has also been initially applied.