研究开发了混合动力电动车(HEV)中的辅助动力系统，采用一台小排量的发动机组成发电机组，既可以给电池组充电，发动机也可以直接驱动空调系统。

In this paper, the assistant power system of hybrid electrical vehicle (HEV) was an engine with small displacement, which could charge the battery and directly drive the air-conditioning system.

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所述泵系统能够包括用于驱动主增压泵的第一发动机(40)，和用于驱动辅助泵的第二发动机(68)。

The pump system can include a first engine (40) to drive the main boost pump and a second engine (68) to drive the satellite pumps.

youdao

所述泵系统能够包括用于驱动主增压泵的第一发动机(40)，和用于驱动辅助泵的第二发动机(68)。

The pump system can include a first engine (40) to drive the main boost pump and a second engine (68) to drive the satellite pumps.

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