摘要
HVAC（供热通风与空气调节）系统是为车辆使用者提供舒适与安全的重要保障。对于陆路客运车辆而言，无论外部天气如何，HVAC都需要为乘客提供舒适的乘车环境。过去，HVAC系统对这些车辆而言堪称”奢侈品”，它们所搭载的HVAC系统只能提供热空气或者冷空气。
In the past, people have widely used electric-magnetic/piston valves. The NORGREN has developed electric valve applied in the HVAC system. This kind of electric valve has many advantages： compact structure, as a proportional valve, they can provide precision control, once operation point reached and there will be no more electric power consumption, besides, they can operate with low noises, not affected by aggradation and dusts, and even can cope with some chips in the refrigerant.
出处
《汽车零部件》
2014年第4期23-23,共1页
Automobile Parts
