汽車專業(yè)英語 4-4 Ignition System 點火系統(tǒng)

1、汽車專業(yè)英語汽車專業(yè)英語 Specialty English for AutoSection 1 Automobile BasicsChapter 4 Ignition System4.4 Ignition SystemPart One: Warming up: What is the traditional Ignition System comprised of? 4.4 Ignition SystemPart One: Warming up: What is the modern Ignition System comprised of? 4.4 Ignition SystemPart

2、One: Warming up: What is the Spark Plug comprised of? Part Two: Words Study4.4 Ignition SystemThe components of the traditional ignition system. Part Two: Words Study4.4 Ignition SystemThe components of the traditional ignition system. Part Two: Words Study4.4 Ignition SystemThe components of the mo

3、dern ignition system. Part Two: Words Study4.4 Ignition SystemThe name of the different parts of the distributor. Part Three: Text4.4 Ignition System Not all engine types need an ignition system - for example, a diesel engine relies on compression-ignition, that is, the rise in temperature that acco

4、mpanies the rise in pressure within the cylinder is sufficient to ignite the fuel spontaneously.譯文：并非所有發(fā)動機都需要點火系統(tǒng)，比如柴油機依靠壓燃，即隨著缸譯文：并非所有發(fā)動機都需要點火系統(tǒng)，比如柴油機依靠壓燃，即隨著缸內(nèi)壓力增高，溫度增高到足以使得柴油自燃內(nèi)壓力增高，溫度增高到足以使得柴油自燃 The primary circuit is the low-voltage side of the system and controls the secondary circuit, which i

5、s the high-voltage side of the system.譯文：初級回路是系統(tǒng)的低壓回路，它控制著次級回路也就是系統(tǒng)的高譯文：初級回路是系統(tǒng)的低壓回路，它控制著次級回路也就是系統(tǒng)的高壓回路。壓回路。Part Three: Text4.4 Ignition System The battery is the heart of the total electrical system譯文：蓄電池是整個電氣系統(tǒng)的心臟。譯文：蓄電池是整個電氣系統(tǒng)的心臟。 Heavily insulated wire that feeds high voltage from the ignition c

6、oil to distributor cap.譯文：高絕緣的高壓線將高壓電從點火線圈送到分電器蓋。譯文：高絕緣的高壓線將高壓電從點火線圈送到分電器蓋。 The distributor cap and rotor receive the high-voltage surge from the secondary coil windings through a high-tension wire.譯文：通過高壓線，分電器蓋和分火頭從次級繞組接收到高壓電。譯文：通過高壓線，分電器蓋和分火頭從次級繞組接收到高壓電。Part Four: Practice4.4 Ignition System I. Tr

7、anslate the following expressions into Chinese.u ignition system u electric arc u spark plug u primary winding center electrode u ignition coil u distributor cap u the secondary circuit u ignition switchu high-tension wireu center and ground electrodesv點火系統(tǒng)點火系統(tǒng)v電弧電弧 v火花塞火花塞v初級繞組中心初級繞組中心電極電極v點火線圈點火線圈

8、 v分電器蓋分電器蓋v次級繞組次級繞組v點火開關點火開關v高壓線高壓線v中心和旁電極中心和旁電極Part Four: Practice4.4 Ignition SystemII. Identify the English names of the spark plug according to the picture.1 hex nut;2 spark plug body; 3 gasket;4 center electrode; 5 ground electrode; 6 resistance; 7 spline; 8 terminal; 9 ceramic insulatorPart Fo

9、ur: Practice4.4 Ignition SystemIII.Read the following passage carefully and fill in the blanks with the proper form of the given words.primary point retarding cylinders rotor camshaft body arm ignition firing A distributor is a device in the (ignition ) system of an internal combustion engine that r

10、outes high voltage from the ignition coil to the spark plugs in the correct firing order. It consists of a rotating (rotor ) or (arm ) inside the distributor cap, on top of the distributor shaft, but insulated from it and the (body ) of the vehicle (ground). The distributor shaft is driven by a gear

11、 on the camshaft ).The gnition distributor has several functions. It opens and closes the (primary ) ignition circuit. It distributes the high tension current to the respective (cylinders ) of the engine. It also has a mechanism that controls the (firing ) at which the breaker points open, thereby a

12、dvancing or (retarding ) the spark in accordance with engine requirements.Part Four: Practice4.4 Ignition System IV. Translate the following sentences into English.1汽車點火系統(tǒng)分為初級和次級兩個電路。The ignition system is divided into two circuits: the primary and the secondary. 2點火系統(tǒng)的作用是在正確的時刻把電火花提供給氣缸，點燃混合氣。 It provides for the timely burning of the fuel mixture