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HOCHIMINH UNIVERSITY OF INDUSTRY
FACUTY OF MECHANICAL ENGINERRING
ENGLISH FOR AUTOMOBLE
ENGINEERING
LECTURER: LANG VAN THANG
FACUTY OF MECHANICAL ENGINEERING
HO CHI MINH UNIVERSITY OF INDUSTRY
EMAIL: thang.langvan@hotmail.com
SUBJECTS
HOCHIMINH UNIVERSITY OF INDUSTRY
FACUTY OF MECHANICAL ENGINERRING
UNIT 8
ENGLISH FOR AUTOMOBILE
ENGINEERING
www.fme.edu.vn
HOCHIMINH UNIVERSITY OF INDUSTRY
FACUTY OF MECHANICAL ENGINERRING
The automobile industry is a fast developing industry. From
the later 18
th
century, when the first automobile was put on
road, this industry has developed tremendously. Now there
are thousands of factories all over the world manufacturing
numerous type of automobile. The automobile engines are
also being used in engine powered machines for agriculture,
construction and manufacturing processes. Various types of
small engines are also being used in lawn movers, power
saws, snow removers and similar equipments. The
automobile industry is a developing and demanding industry
which does not find its end or saturation point. There is a
great demand for varied types of automobile products,
vehicles and engines.
INTRODUCTION
HOCHIMINH UNIVERSITY OF INDUSTRY
FACUTY OF MECHANICAL ENGINERRING
There is also a great demand for trained and experienced
person in this industry for diagnosing motor vehicle
troubles, repairing and replacing engines, components,
transmissions, propeller shafts, differentials, axles, steering
system components, brake system components, air-
conditioners, heater, body and glass work.
The automobile is a self – propelled, wheeled, steerable
vehicle used for transporting people and small cargoes on
land. Automobiles are classified by number of drive wheels
and axles, capacity, sizes, styles, number of doors, and
intended use.
INTRODUCTION
HOCHIMINH UNIVERSITY OF INDUSTRY
FACUTY OF MECHANICAL ENGINERRING
All passenger cars, trucks, and buses have certain things
in common: a power plant or engine; a chassis, which
consists of the frame, drive-train, suspension, and
steering, and includes the wheels and brakes; the power
train, which transmits and distributes power from the
engine to the car’s driving wheels, and a body, which
provides some protection for driver and passengers and
gives the vehicle shape and identity.
INTRODUCTION
HOCHIMINH UNIVERSITY OF INDUSTRY
FACUTY OF MECHANICAL ENGINERRING
Throughout the world, many different types of engines
have been used in automobile. Today, generally, they are
internal- combustion engines that burn gasoline or diesel
fuel. Most passenger car engines run on gasoline, are
liquid- cooled, and are of four- stroke, overhead- valve,
reciprocating type, with carburetor or fuel injection.
Almost all automobiles use reciprocating engines, in
which pistons move up and down inside tubular cylinders.
The pistons are connected, by means of an articulated
connecting rod, to a spinning crankshaft, which converts
their back- and –forth movement to circular motion. Some
vehicles have Wankel engines, which contain triangular
rotating pistons that rotate inside combustion chambers.
ENGINE
HOCHIMINH UNIVERSITY OF INDUSTRY
FACUTY OF MECHANICAL ENGINERRING
The diesel engine, which burns fuel oil, is more common
in large trucks and buses. Diesel engines do not use spark
plug ignition systems. Instead, they spray fuel into the
cylinders, where it is ignited spontaneously by the heat of
compression.
ENGINE
Gasoline Engine
HOCHIMINH UNIVERSITY OF INDUSTRY
FACUTY OF MECHANICAL ENGINERRING
ENGINE
Gasoline Engine
HOCHIMINH UNIVERSITY OF INDUSTRY
FACUTY OF MECHANICAL ENGINERRING
An automobile chassis includes the car’s frame, power
train, suspension, wheels, steering, and brake systems.
Earlier cars had full, ladder- type frames on which the body
was mounted in separate pieces. Modern cars are made
from a welded steel uni-body that combines the function of
the frame with the central cabin of the body. The sub-frame,
front or rear, is a small steel brace that supports the engine
or suspension and is welded to the car’s uni-body structure.
The automobile’s wheels are attached to the chassis by a
suspension system consisting of control arms, springs, and
shock absorbers. Spring may be any of three types: coil,
leaf, or torsion bar. Shock absorbers damp vertical wheel
movement and restrict the pitch and roll of the car’s chassis
while it is in motion.
CHASSIS
HOCHIMINH UNIVERSITY OF INDUSTRY
FACUTY OF MECHANICAL ENGINERRING
The steering system normally controls the angle of the
front wheels relative to the centerline of the car. As the
steering wheel is turned, a gear under the hood changes
the rotary motion to the lateral motion, which is
transmitted by steering arms to the front wheels, causing
them to deflect to the left or right and making the car turn.
Most cars today have power steering, which uses engine
power to reduce the effort of turning of the steering
wheel. Some vehicles use four-wheel steering, which
allows the rear as well as the front wheels to steer,
although too much lesser degree. While this system adds
stability and maneuverability to a vehicle, it also adds
weight, cost, and complexity.
CHASSIS
[...]... the reading text 5 The steering gear converts the horizontal motion of the steering wheel into a rotating force that turns the wheels 6 Power brakes use pressure from the engine, requiring less effort by the driver 7 All wheel drive is an option the driver selects for certain bad road conditions 8 Automatic transmissions require drivers to press down on the clutch pedal while shifting gears HOCHIMINH... whereas in diesel engines, it is ignited by a spark plug 2.The conversion of the back- and- forth movement of the piston into the circular movement is unnecessary in Wankel engines 3.The uni-body serves as the car’s frame and the central cabin 4.The power steering system makes it easier for the drivers to steer automobiles HOCHIMINH UNIVERSITY OF INDUSTRY FACUTY OF MECHANICAL ENGINERRING CHECKING READING...CHASSIS To power the brake system, hydraulic fluid in the master cylinder is forced through brake lines to the wheels, in proportion to the force applied on the brake pedal The pressure of the fluid drives brake shoes or pads against disks or drums that are fixed to the wheels Friction from the brake pads causes... produce models that are appealing to the eye, resemble other products from the same manufacturer, and are aerodynamically efficient Low wind resistance makes for good fuel economy and reduces noise-causing turbulence, making a quieter inside environment for passengers HOCHIMINH UNIVERSITY OF INDUSTRY FACUTY OF MECHANICAL ENGINERRING BODY HOCHIMINH UNIVERSITY OF INDUSTRY FACUTY OF MECHANICAL ENGINERRING CHECKING... Chassis 4 Differential gear 5 Gear ratio 6 Suspension 7 Transmission 8 Steering system 9 Axle 10 Clutch a the mechanical system, including gears and shafts, by which power is transmitted from the engine of a motor vehicle to the drive wheels b gears or other devices convert the rotating motion of the steering wheel into a horizontal force that turns the wheels c a system of springs and shock absorbers... Power train 3 Chassis 4 Differential gear 5 Gear ratio 6 Suspension 7 Transmission 8 Steering system 9 Axle 10 Clutch d the number of revolutions of a driving gear required to turn a driven gear through one complete revolution e an arrangement of gears that allows two shafts driven by a third to turn at different speeds, for example, in a motor vehicle f the portion of a vehicle’s drive mechanism that... gear 5 Gear ratio 6 Suspension 7 Transmission 8 Steering system 9 Axle 10 Clutch g the frame and wheels that support the engine and body of a motor vehicle h a shaft on which a wheel or set of wheels revolves, especially a shaft under the body of a vehicle that connects a pair of wheels i a unit that supplies the power to move a self-propelled object, for example, a diesel- electric engine in a locomotive... self-propelled object, for example, a diesel- electric engine in a locomotive or an internalcombustion engine in an automobile HOCHIMINH UNIVERSITY OF INDUSTRY FACUTY OF MECHANICAL ENGINERRING MATCHING 1 Power plant 2 Power train 3 Chassis 4 Differential gear 5 Gear ratio 6 Suspension 7 Transmission 8 Steering system 9 Axle 10 Clutch j a device that enables two rotating shafts to be connected and disconnected... cruising at a steady speed, different gear ratios are needed to match engine output with the inertial of the vehicle HOCHIMINH UNIVERSITY OF INDUSTRY FACUTY OF MECHANICAL ENGINERRING POWER TRAIN Most automobile transmissions have between two and six gear ratios, along with reverse gear When the vehicle is started from rest, a high gear ratio is needed As speed increases, lower gear ratios are selected... disengage the engine automatically as the gears changes HOCHIMINH UNIVERSITY OF INDUSTRY FACUTY OF MECHANICAL ENGINERRING POWER TRAIN HOCHIMINH UNIVERSITY OF INDUSTRY FACUTY OF MECHANICAL ENGINERRING BODY Automobile bodies are usually made of stamped steel or cast fiberglass Body styles include two-door, four-door, hatchback, convertible, station wagon, and minivan Sports cars have no hard tops and are . ENGINERRING
UNIT 8
ENGLISH FOR AUTOMOBILE
ENGINEERING
www.fme.edu.vn
HOCHIMINH UNIVERSITY OF INDUSTRY
FACUTY OF MECHANICAL ENGINERRING
The automobile industry. world manufacturing
numerous type of automobile. The automobile engines are
also being used in engine powered machines for agriculture,
construction and
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