随着生产和运输业的发展,商用车安全行驶的问题变得严峻,随着技术的发展,国际上液力变矩器应运而生,其后出现液力偶合器;在科研人员的努力下液力偶合器在内燃机中得到推广,国内科研机构、企业也大力从事车用液力变矩器的研究,并取得骄人成就,本文就液力辅助起步与制动系统国内外的发展做出简要概括。 With the development of production and transportation industry, the problem of safe driving of commercial vehicles becomes more and more serious. With the development of technology, hydraulic torque converters have come into being in the world, and hydraulic couplings have emerged since then. With the efforts of researchers Hydraulic couplings have been promoted in internal combustion engines. Domestic research institutes and enterprises are also engaged in the research of vehicle torque converter and made remarkable achievements. This paper makes a brief introduction on the development of hydraulic auxiliary starting and braking systems at home and abroad Brief summary.