Page 346 - (DK) The Ultimate Visual Dictionary 2nd Ed.

RAIL AND ROAD

Modern engines FRONT VIEW OF A FORD COSWORTH V6 12-VALVE
Plenum chamber
Idle control valve
Valve rocker
TODAY’S GASOLINE ENGINE WORKS on the same basic Oil dipstick
principles as the first car engines of a century ago, Power steering
pump reservoir
although it has been greatly refined. Modern engines, High-tension
often made from special metal alloys, are much Steering pump ignition lead
pulley (spark plug
lighter than earlier engines. Computerized ignition
lead)
systems, fuel injectors, and multivalve cylinder heads Cogged
achieve a more efficient combustion of the fuel∕air drive belt Fan
mixture (the charge) so that less fuel is wasted. As a result
Alternator Crankshaft pulley
of this greater efficiency, the power and performance of a
modern engine are increased, and the level of pollution in Viscous coupling Oil sump
the exhaust gases is reduced. Exhaust pollution levels
FRONT VIEW OF A FORD COSWORTH V6 24-VALVE
today are also lowered by the increasing use of special
filters called catalytic converters, which absorb many Idle control valve Plenum chamber
exhaust pollutants. The need to produce ever more Exhaust gas Camshaft
efficient engines means that it can take up to seven recirculation valve timing gear
years to develop a new engine for a family car, Camshaft chain
Steering pump
at a cost of many millions of dollars. drive pulley
Belt tensioner Air-
conditioning
Alternator pump
SECTIONED VIEW OF A JAGUAR STRAIGHT 6 cooling fan
Drive belt
Valve Cam Oil sump
Cam follower spring lobe Cam Combustion Crankshaft pulley
(bucket tappet) chamber Compression ring
Cam cover
Camshaft
Distributor
Cylinder head Fan
Air-
Valve stem conditioning
refrigerant
pipe
Exhaust
valve Suspension
self-leveling
Cylinder pump
liner
Power
Water jacket steering
pump
Piston
Swash plate
Connecting
rod (con-rod) Drive belt
Main
bearing
housing Compressor
piston
Big end
Transmission Air-conditioning
adaptor plate compressor
Crankcase
Crankshaft Oil pick- Anti-surge
counterweight Oil sump up pipe baffle Oil-control ring (scraper ring)

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