Automotive Engine Terms Name as many parts to an engine that you can - PowerPoint Presentation

Slide1

Automotive Engine TermsSlide2

Name as many parts to an engine that you can

BellworkSlide3

What is the difference between a camshaft and a crankshaft?

How are these two “timed”?

BellworkSlide4

The 2-stroke gas engine is different from the 4-stroke gas engine. In a 2-stroke engine the inlet and exhaust ports are open and closed by the movement of the piston. But it is still an internal combustion engine and has the five events common to all such engines.

2 Stroke EngineSlide5

Definitions

TDC- Top dead center, the piston is at the highest point in the cylinder before starting to move downward

BDC- Bottom dead center, the piston is in the lowest point in the cylinder before starting to move upwardSlide6

The whole process is a cycle. A new mixture enters and is ignited. Combustion occurs. Expanding gases drive the piston down and turn the crankshaft which pushes the piston back up the cylinder.

One single cycleSlide7

A

stroke is the distance from top dead center to bottom dead center.

A

single strokeSlide8

The part of an engine that supplies the fuel/air mixture to the cylinders.

The intake manifold gasket is

located

between the

manifold

and the engine block, and prevents leaks between the two surfaces.

Intake ManifoldSlide9

The closed end of a engine or pump cylinder. In an internal combustion engine, the cylinder head sits above the cylinders on top of the cylinder block.

Cylinder HeadSlide10

The lower part of the engine that holds the oil. Oil pans

are detachable mechanisms made out of thin steel and bolted to the bottom of the crankcase.

Oil PanSlide11

A starter can be

an electric motor on an internal-combustion engine used for rotating an

to

initiate the engine's operation under its own power.

Located

at the front of the transmission

bellhousing

StarterSlide12

A starter solenoid (or starter relay) is the part of an automobile which switches a large electric current to the starter motor, in response to a small control current, and which in turn sets the engine in motion

.Most starter

solenoids

are

located

on the

starter

motor itself. Some Ford models have

located

the

starter

solenoid

on the inner fender panel near the battery.

Starter SolenoidSlide13

Devise that produces electricity in the engine. An alternator is an electrical generator that converts mechanical energy to electrical energy in the form of alternating

currentIt is located in front of the engine.

AlternatorSlide14

The water pump is a simple centrifugal pump driven by a belt connected to the crankshaft of the engine. The pump circulates fluid whenever the engine is running

. Front of the engine.

Water PumpSlide15

­A fuel pump draws gas out of the tank through a pipe to the

carburetor.The pump may be mechanical worked by the engine - or it may be electric, in which case it is usually next to or even inside the fuel tank.

Fuel PumpSlide16

The coil

provides a high-voltage current to the distributor.The coil connects directly to the distributor

CoilSlide17

A distributor is a device in the ignition system of an internal combustion engine that routes high voltage from the ignition coil to the spark plugs in the correct firing order

.

DistributorSlide18

The rotor spins inside the distributor cap. When the rotor's tip passes a contact on the cylinder, a high-voltage pulse travels from the coil to the cylinder via the rotor.

Distributor RotorSlide19

The distributor cap is a device in the ignition system that distributes electricity from the ignition coils to the spark plug wires at the right timing

.

Distributor CapSlide20

Compresses refrigerant and sends it to your car's

air condenser

A/C compressorSlide21

Allows the engine to maintain a constant temperature.

Front-wheel drive cars have electric fans because the engine is usually mounted transversely, meaning the output of the engine points toward the side of the car. The fans are controlled either with a thermostatic switch or by the engine

computer

Engine FanSlide22

Devise that’s use to keep the engine from getting too hot Radiators are heat exchangers used to transfer thermal energy from one medium to another for the purpose of cooling and heating

.

RadiatorSlide23

Condenser (heat transfer), a device or unit used to condense vapor into liquid

.

CondenserSlide24

A devise that adjusts the temperature of the car.

It is located in front of the engine near the radiator.

Thermostat Slide25

A timing belt, timing chain or cam belt is a part of an internal combustion engine that synchronizes the rotation of the crankshaft and the camshaft(s) so that the

engine It is located in front of the engine

Timing BeltSlide26

Covers the timing belt.

Timing belt coverSlide27

It covers

the valve train assembly and prevent oil from being sprayed all over the engine compartment.

It is located on the

cylinder heads.

Valve CoversSlide28

A device that blends air and fuel for an internal combustion

engine. Located on top of the engine

block on top of intake manifold

CarburetorSlide29

Fuel injection is a system for introducing fuel

into internal combustion enginesLocated inside the

cylinder head.

Fuel InjectorsSlide30

Filters the air.On top or side of

the engine.

Air CleanerSlide31

Part of the engine that produces a spark that makes the fuel burn. ‘Located In the

cylinder head.

Spark PlugsSlide32

Delivers the spark to

the Spark Plug.

Spark Plug WiresSlide33

The oil pump in an internal combustion engine circulates engine oil under pressure to the rotating bearings, the sliding pistons and the camshaft of the engine

.

Oil PumpSlide34

In automotive engineering, an exhaust manifold collects the exhaust gases from multiple cylinders into one pipe

.Headers are engineered to provide optimum

exhaust

flow for increased horsepower, torque and improved throttle

response.

Headers/Exhaust manifoldSlide35

The motor mount

attaches the engine to the car.

Engine MountSlide36

the throttle body is the part of the air intake system that controls the amount of air flowing into the engine, in response to driver accelerator pedal input in the main.

Throttle bodySlide37

In internal combustion engines, exhaust gas recirculation (EGR

) is a nitrogen oxide (NOx) emissions reduction technique used in petrol/gasoline and diesel engines. EGR

works by recirculating a portion of an engine's exhaust gas back to the engine cylinders

.

EGRSlide38

Valve

Pertains to

valves

or systems that control the flow of gases or fluids within an

engine

, particularly: steam to and from the cylinder(s) of a steam

engine

. the fuel-air mixtures to, or exhaust gases from, internal combustion

engines

.Slide39

1. a helical spring used to hold closed a

valve in the cylinder head of an internal-combustion engine. 2. any spring that closes a

valve

after it has been opened mechanically or by flow pressure

.

Valve springSlide40

Lifters

Can come in either standard, roller or hydraulic variations, but they all do the same thing, they ride on the camshaft and once they hit a lobe they push up on the push rod.Slide41

Push rod

Serves a single purpose, to transfer the push from the lifter to the rocker arm.Slide42

Piston

The pistons transfer force from expanding gas in the cylinder to the crankshaft by piston rod/connecting rod.

Pushes directly on the crankshaft via the connecting rod and wrist pin.Slide43

Piston Rings

Make a seal between the cylinder wall and the piston.

Without rings there is little or no compression.Slide44

Connecting Rods

Attach the pistons to the crankshaft through the end cap and wrist pin.

The wrist pin is pressed through the piston and into the connecting rod.

The end cap holds the rod bearings and the connecting rods onto the crankshaft.Slide45

Camshaft

Shaft with offset lobes that open and close the valves at the proper time.

Turns at exactly half the rate of the crankshaft in a four stroke engineSlide46

Crankshaft

Turns the pistons linear motion into rotational motion.

The pistons spin the crank by pushing on it via the connecting rods.Slide47

The block houses the cylinders and is what everything related to the engine mount to.

It also has built in coolant and oil passages.

Engine Block