Automobile

Automobile technology drives the line

Introduction This unit explains how power flows from the gearbox to the road wheels. The unit describes the necessity, function, construction and working of universal joint and slips joint. It also deals with the construction and working of differential, types of crown wheel and bevel pinion, rear axle casing, rear …

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Automotive electrical systems

The automobile uses a variety of electrical accessories for different purposes. This section describes the construction and working of battery which is the source of electricity in automobiles. The module enables the students to trace different electrical circuits like lighting circuits, direction indicator circuits, brake light circuits, horn circuits, etc. …

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Automobile – automated manual transmission (AMT)

These are basically the manual transmission operated automatically, hydraulically, or electronically. They do not require clutch actuation and gear shifting manually by the driver. The transmission is controlled electronically through shift-by-wire. In this system Vehicle Speed Sensors (VSS) are used to give input to the ECU for gear shifting. Here …

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Unit in detail – automatic transmission

The automatic transmission can be semi-automatic or fully automatic. In the first type, only the clutch is operated automatically, but the driver still has to change the gears manually A semi-automatic transmission (SAT) also known as a clutch less manual transmission or automated manual transmission is an automobile transmission that …

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Automobile technology – manual transmission

Introduction After the clutch is the transmission or gearbox in the transmission system. The torque and speed of the vehicle have to change depending upon the various requirements of the vehicle. Sometimes we have to move the vehicle in the reverse direction. The gearbox serves all these functions. Various types …

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Dampers Friction dampers

Originally called shock absorbers, dampers were first introduced in the 1920s as a palliative to reduce excessive movements of the front axle. The popular Andre-Hartford friction damper uses a sandwich arrangement of alternating flat disks of steel and friction material, the whole assembly tightened by an adjustable dished spring. Two …

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Road –holding Straight-line stability

Many years ago we defined road-holding as ‘the ability of a car to follow the path dictated by an average driver in all reasonable circumstances. An average driver on snow or ice will sometimes find that his car does not ‘follow the path dictated’. Snow and ice, to an average …

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