标准摘要
[中文适用范围]： 本国际标准规定了开环测试方法，用于确定制动对重型车辆或重型车辆组合的路线保持和方向行为的影响，当制动使用 - 行车制动系统，或 - 仅缓速器或发动机制动时。 本国际标准适用于重型车辆，即 ISO 3833 中定义的商用车、商用车辆组合、公共汽车和铰接式公共汽车，涵盖 UNECE（联合国欧洲经济委员会）的 M3、N2、N3、O3 和 O4 类别以及欧盟车辆法规。 这些类别涉及最大质量超过 3.5 吨的卡车和拖车以及最大质量超过 5 吨的公共汽车和铰接式公共汽车。 [外文原描述]： ISO 14794:2011 specifies open-loop test methods for determining the effect of braking on the course-holding and directional behaviour of heavy vehicles or heavy vehicle combinations when braking is accomplished using the service-brake system, or the retarder or engine brake only. ISO 14794:2011 is applicable to heavy vehicles, i.e. commercial vehicles, commercial vehicle combinations, buses and articulated buses as defined in ISO 3833, covered by Categories M3, N2, N3, O3 and O4 of UNECE (United Nations Economic Commission for Europe) and EC vehicle regulations. These categories pertain to trucks and trailers with a maximum mass above 3,5 t and to buses and articulated buses with a maximum mass above 5 t.
英文名称Heavy commercial vehicles and buses — Braking in a turn — Open-loop test methods