標(biāo)準(zhǔn)編號(hào):	JT/T 890-2014
中文名稱:	客車液力緩速器裝車性能要求和試驗(yàn)方法
英文名稱:	Loading performance requirements and test methods for hydraulic retarder of passenger car
行業(yè)分類:	JT    交通行業(yè)標(biāo)準(zhǔn)
發(fā)布機(jī)構(gòu):	中華人民共和國(guó)交通運(yùn)輸部
發(fā)布日期:	2014-4-15
實(shí)施日期:	2014-9-1
標(biāo)準(zhǔn)狀態(tài):	valid
翻譯語(yǔ)言:	英文
文件格式:	PDF
中文字符數(shù):	7000 字
翻譯價(jià)格(元):	576.0
交付時(shí)間:	付款后 1 個(gè)工作日

Requirements and test methods of hydraulic retarder for bus 1 Scope This standard specifies requirements and test method of hydraulic retarder for bus. This standard is applicable to Categories M2 and M3 buses, and also serves as reference to other categories of buses. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated reference, only the edition cited applies. For undated references, the latest edition (including any amendments) applies. GB/T 3730.1 Motor vehicles and trailers — Types — Terms and definitions GB/T 3730.2 Road vehicle — Masses — Vocabulary and codes GB/T 12534 Motor vehicles — General rules of road test method GB/T 12536 Coastdown test method of motor vehicles 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 3730.1 and GB/T 3730.2 and the following apply. 3.1 hydraulic retarder device that provides braking efficiency for vehicles by using the resistance generated by fluid in the rotor and stator working chambers 4 Performance requirements 4.1 General requirements 4.1.1 The hydraulic retarder shall have a CAN bus interface communicating with the ABS system of the vehicle. Hydraulic retarder shall be capable of cutting off when ABS works. 4.1.2 The hydraulic retarder shall be set with working gears with different braking efficiency, and the braking torque controlled in the first gear shall not be greater than 50% of the maximum braking torque of the hydraulic retarder.

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Performance requirements 5 Test methods