《汽车专业英语 教学课件 PPT 作者 幺居标 Model Seven Automotive Drive Train》由会员分享，可在线阅读，更多相关《汽车专业英语 教学课件 PPT 作者 幺居标 Model Seven Automotive Drive Train（15页珍藏版）》请在金锄头文库上搜索。
1、Model Seven Automotive Drive Train,Warm-up Suggestions（建议） 1. Let the students put the Chinese names under the pictures.(将下面零件名称写在图片下面),2. Ask the students to read aloud the names of each tool.（让学生大声读出零件名称） 3. Try to speak as many car tools as possible.（试着说出一些其他的零件工具）,Fig.I-17 front axle differentia
2、l 前桥差速器 angle transmission 传动角 rear axle differential 后桥差速器 all-wheel drive clutch 全轮驱动离合器 front driveshaft 前驱动轴 engine 发动机 rear axle drive 后桥驱动 transmission 变速器,Passage learning （课文学习） Automotive Drive Train 汽车传动系 The drive train of a vehicle consists of the clutch, the gearbox, the propeller shaft
3、, the final drive with differential and the drive shafts of the wheel. Together, these components can also be referred to as the power train or transmission line.,Functions: Convert engine torque and engine speed Transmit torque to the drive wheels,Types of drive: There are mainly three types of dri
4、ve: rear wheel drive, front wheel drive and all-wheel drive.,Rearwheel drive: includes front-engine drive, transaxle drive, rear-engine drive, mid-engine drive and under floor-engine drive.,Front wheel drive: In case of front drive, the engine is situated either in front of, above or behind the fron
5、t axle.,All-wheel drive: includes permanent all-wheel drive and conventional switchable all-wheel drive.,Hybrid drive: In case of a hybrid drive, two different power plants are combined in one vehicle to assume the drive function, e.g. a diesel engine for long-distance driving and an electric motor
6、for emission-free urban driving.,New words and expressions (生词和词组) power train n. 传动系 rear-engine drive n. 发动机后置驱动 transmission line n. 传动线 mid-engine drive n. 发动机中置驱动 torque n. 转力矩 underfloor-engine drive n. 发动机下置驱动 rear wheel drive n. 后轮驱动 hybrid drive n. 混合动力驱动 front wheel drive n. 前轮驱动 emission-
7、free adj. 无排放的 all-wheel drive n. 全时四驱 transaxle n. 变速驱动桥 front-engine drive n. 发动机前置驱动gearbox n. 齿轮箱 propeller shaft n. 驱动轴 final drive n. 主减速器,Reading comprehension（补充阅读） Transmission Type There are mainly two types of transmissions: manual and automatic. If you have a manual transmission, you hav
8、e to shift the gears yourself, usually with a stick located on your console and clutch pedal.,If you have an automatic transmission, the mechanism changes without any help from you. This is accomplished through a system that works by oil pressure.,Each shift of the gears is controlled by a shift val
9、ve; and the gear changes depend on speed, the road, and load conditions. Both manual transmission (with its clutch) and automatic transmission (plus its torque converter) accomplish exactly the same thing, but they do it in totally different ways.,New words and expressions （生词和词组） manual adj. 手动的 mechanism n. 机械装置 gears n. 齿轮 pressure n. 压力 stick n. 嘀嗒声 shift v. 转换 console n. 操纵台 load n. 负荷 pedal n. 踏板 converter n. 转换器 automatic adj. 自动的,
