汽车专业英语project4_The_chassis_components教材教学课件.ppt

改革创新示范教材 * Task 4 The braking system squeeze [skwi:z] vt. vi.挤, 榨, 捏 passive [p?siv] adj.被动的; 消极的 secure [sikju?] adj.牢固的; 可靠的 vt. 握紧; 关牢 excessively [iksesivl?] adv. 过度地;过分地 lockup [,l?k?p] n. 锁住 monitor [m?nit?] n.监视器, 监听器 vt.监听, 监视 analyze [?n?laiz] vt. 分析, 分解, 解释 master cylinder 主缸, 主油缸, 制动缸 brake drum 制动鼓 service brake 行车制动器 parking brake 驻车制动器 drum brake 鼓式制动器 disc brake 盘式制动器 adjustable connector 可调接头 caliper 测径器,卡钳,弯脚器, 制动钳 anti-lock braking system 防抱死制动系统(ABS) electronic stability program 汽车电子稳定系统(ESP) Acceleration Slip Regulation 驱动防滑系统(ASR) 知 识 准 备 改革创新示范教材 * The braking system 任务 实施 The braking system is very important to a vehicle. Its principle is to utilize the friction between a revolving part connected to the wheel and a non-revolving one connected to the frame to retard the motion of the vehicle. A brake system is composed of the brake and its control mechanism, including such major parts as brake disk (or drum), shoe, master cylinder, pedal, brake line, hose, etc. (shown in the figure 4.4.1). Brakes are located at each wheel. The brake pedal is connected to a plunger in a master cylinder, which is filled with hydraulic fluid. When the brake pedal is depressed, the force is increased by the master cylinder and transferred through brake hoses and lines to the four brake assemblies. There are two kinds of independent braking system. Both the service brake and parking brake are indispensable for slowing or stopping the vehicle. The service brake will be put into effect when the driver needs to slow and stop the automobile. It can slow down or even stop the car that is running at a high speed and make sure the safety of passengers. 改革创新示范教材 * The steering system 任务 实施 改革创新示范教材 * The steering system 任务 实施 On the contrary, the parking brake will play a role when it parks. It can prevent the auto slipping away from its parking place, even if it is parked on