提出一种带有液压蓄能器的、能实现制动能再生的新型公共汽车动力系统, 并对该系统的工作原理、工作方式以及功率流分布等进行了阐述。关键词: 公共汽车　再生制动　液压蓄能器　节能Abstract: Th is paper puts forw ard a new type of city buses′pow er system s w ith the hydraulic energy reservoir and brak ing energy rep roducer. M eanw h ile, it states the system′swork ing p rincip les,modes and distribution of pow er.Key words: City bus, Rep roducing brake, Hydraulic energy reservoir, Energy2saving