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Topic: Ignition system

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	Ignition System
		Most of these systems can be placed into one of three distinct groups: the conventional breaker point type ignition systems (in use since the early 1900s); the electronic ignition systems (popular since the mid 70s); and the distributorless ignition system (introduced in the mid 80s).
		The automotive ignition system has two basic functions: it must control the spark and timing of the spark plug firing to match varying engine requirements, and it must increase battery voltage to a point where it will overcome the resistance offered by the spark plug gap and fire the plug.
		Ignition timing is the measurement, in degrees of crankshaft rotation, of the point at which the spark plugs fire in each of the cylinders.
	www.procarcare.com /icarumba/resourcecenter/encyclopedia/icar_resourcecenter_encyclopedia_ignition.asp (2319 words)

	Ignition System - Alternators, Starters, Spark Plugs, Igniters \| Auto Parts Guide
		There are many varieties of the ignition parts, which are available, and there are many alternatives if one has to get the parts of ignition.
		Most of the parts do not belong to the same category hence people have a lot of options in that case as the parts are available depending upon the year of purchase.
		Most of the discount Ignitions store offers a large inventory of Ignition Parts for Japanese, German, Domestic and other foreign cars and trucks which are of an international standard.
	www.autoguide.net /apf/ignition (474 words)

	Ignition Systems A Short Course
		The ignition system sends an extremely high voltage to the spark plug in each cylinder when the piston is at the top of its compression stroke.
		The job of the ignition system is to produce that high voltage from a 12 volt source and get it to each cylinder in a specific order, at exactly the right time.
		On some of the later systems, the inside of the distributor is empty and all triggering is performed by a sensor that watches a notched wheel connected to either the crankshaft or the camshaft.
	www.familycar.com /Classroom/ignition.htm (4392 words)

	Musclecarclub.com - Library - Tech - Ignition System
		The primary circuit, controlled by the ignition key, releases 12 volts of electricity from the battery or alternator through the coil to a set of breaker points in the lower part of the distributor, or to the relay in electronic ignition applications.
		Most aftermarket ignition amplifiers are not dependent on the points to furnish the power for the coil, and may allow a marginal points system to develop more spark, which in turn, will allow the plug gap to be widened to.045-.050.
		After the high tension surge is produced in the ignition coil by the opening of the breaker points, the current passes from the coil to the center terminal of the distributor cap.
	www.musclecarclub.com /library/tech/ignition.shtml (2647 words)

	Stealth 316 - 3S Ignition System (DOHC)
		The ignition system's purpose is to deliver sufficient energy to the spark plug at the correct time during the compression stroke.
		The ECU is placed into "basic ignition timing" mode when the ignition timing adjustment terminal (located in the right rear corner of the engine bay near the battery; see 2-checkconns.htm) is grounded (to the engine or frame).
		Ignition wires have four tasks to accomplish: (1) conduct as much of the high-voltage, low-current ignition energy as possible, (2) insulate this energy from metallic and electronic components of the engine, (3) protect the conductor from heat, abrasion, and chemicals, and (4) suppress ignition-generated electromagnetic interference (EMI).
	www.stealth316.com /2-ignitionsystem.htm (8445 words)

	Ignition System
		The purpose of the ignition system is to ignite the fuel/air mixture at such a time that the resulting burn (not explosion which can happen due to pre-ignition or detonation and is harmful to the engine) causes expansion of the gasses which forces the piston down and so turns the crankshaft.
		Ignition is generated by a switch (the points) interrupting current flow through a transformer primary (the coil Low Tension circuit) which generates a pulse of several thousand volts in the transformer secondary (the coil High Tension circuit) which jumps an air gap inside the cylinder (the spark plug) and ignites the mixture.
		Ignition has to occur at a fairly critical time (hence 'ignition timing') in the piston cycle and has to be altered according to what the engine is doing at the time - e.g.
	www.mgb-stuff.org.uk /ignitiontext.htm (10101 words)

	Jeep Ignition Control System — Jeep Wrangler Jeep Compass Jeep Liberty Jeep Commander Jeep Grand Cherokee — ACCEl ...
		The Jeep ignition control system can be divided into two electrical circuits — the primary and the secondary.
		The basic components of the Jeep ignition control system are the high voltage ignition wires, the distributor, and the spark plugs and of course the ignition coil.
		Unlike the early design of ignition control system, Today’s Jeep ignition control systems are already of variations.
	www.jpartsonline.com /jeepignitioncontrolsystem.html (293 words)

	Films for the Humanities and Sciences - Educational Media - Ignition System Operation
		Ignition System Operation is a twenty-one minute video which is part of the series, Electrical Systems.
		Gasoline Injection System Operation explains the operation of an electronic fuel injection system and explores the basic tests and repairs needed to fix typical gasoline injection system malfunctions.
		Ignition System Service is a thirty-minute video which is part of the series, Electrical Systems.
	www.films.com /id/3516/Ignition_System_Operation.htm (305 words)

	Ignition System Basics - Top Dead Center - Mustang & Fords Magazine
		Ignition points are nothing more than a simple on/off switch that allows the ignition coil (a transformer) to store and discharge thousands of volts of direct current electricity supplied by your Ford's 6- or 12-volt storage battery.
		Solid-state ignition systems, as their name implies, are solid state--no moving parts to wear out.
		There are also optical electronic-ignition systems that use a light beam (electric eye) to open and close the coil's grounding path using a shutter wheel.
	www.mustangandfords.com /techarticles/mufp_0505_ignition_system_basics/top_dead_center.html (1189 words)

	The Ignition System
		The primary circuit, controlled by the ignition key, releases 12 volts of electricity from the battery or alternator through the coil to a set of breaker points in the lower part of the distributor, or to the relay in electronic ignition applications.
		The short-lived electronic ignition system was a transition from the points and condenser system to the computerized ignition system.
		As the rotor rotates inside the cap, it receives the high voltage from the ignition coil, then passes it to the nearest connection, which is a metal projection in the cap, which is connected to a spark plug.
	www.mindspring.com /~rdbinc/elec3.html (1667 words)

	Ignition System - Picture - ninemsn Encarta
		The ignition system delivers voltage to ignite the fuel in the automotive vehicle.
		When the ignition switch is turned on, low-voltage electric current flows from the battery to the coil, which converts the current to high-voltage.
		The spark plugs send an igniting spark to the fuel and air mixture in the combustion chambers.
	au.encarta.msn.com /media_461520499_761576902_-1_1/Ignition_System.html (69 words)

	History of the Automobile
		As late as 1924, systems using lighter flints and moving files (sometimes attached to the piston) were being tried.
		Although several inventors are credited with developing magneto ignition, Siegfried Marcus was issued a patent in 1883 for a "magneto-electric ignition system." It proved to be the basis for an automotive ignition system that lasted until battery ignition took over.
		The Marcus low-voltage make-and-break ignition system served well as long as motor cars were driven at low speeds by single-cylinder engines.
	www.motorera.com /history/hist05.htm (1463 words)

	Auto Upkeep - Ignition System
		The distributorless ignition system was actually introduced in the mid 1980s, but really became popular in the early 1990s.
		The ignition module, used on electronic and distributorless ignition systems, is basically a switch that turns the low voltage from the battery on and off to the ignition coil(s).
		Even though the ignition system may seem complex with computers, ignition modules, and sensors, there are things that the do-it-yourselfer can do to maintain and tune-up the engine to make it run smoothly for thousands of miles.
	www.autoupkeep.com /LCChapter11.htm (1278 words)

	Ignition System
		The purpose of the ignition system is to light the fuel/air mixture on fire at the right time.
		A breaker point ignition system is capable of producing between 20,000 and 30,000 volts of electrical pressure.
		Electronic ignition systems were first used as standard equipment in 1975 because of the 50,000 mile emission durability test required by the Environmental Protection Agency.
	abbysenior.com /mechanics/ignition.htm (4966 words)

	Ignition
		The airhead BMs had various ignition systems depending on their year of manufacture. Initially a simple points system with mechanical rpm.
		Average current. The new system in general draws more current as the demand for sparks increases, the fall off after around 6,000 rpm reflects the fall off in ignition performance. The high current at low revs.
		1,000 rpm. The dwell time of the BMW system is 35 msecs and the excessive saturation time is easily seen. This results in unnecessary coil heating. On the right the new system charges the coil for only 10 msecs and the peak current and hence the magnetic field is only slightly less (93%).
	www.tonyfoale.com /Articles/Ignition/Ignition.htm (1114 words)

	Ignition System Basics - Mustang & Fords Magazine
		Your Ford's ignition system is a case in point.
		If you're running around with a point-triggered ignition system, you really are in the dark ages.
		Ignition points are adjusted to control the point-open gap.
	www.mustangandfords.com /techarticles/mufp_0505_ignition_system_basics (1093 words)

	Seiler Marine - Ignition System FAQ
		Also, keep in mind that some ignition components cannot be tested without a peak reading volt meter, or a Fluke meter with the CDI #511-9773 DVA attachment, which we have available for $85.
		The short answer is, "follow the steps in the manual for your motor," since it varies with the different ignition systems out there.
		In this example, it's very likely that the stator supplies power to all 6 cylinders, each ignition module is responsible for one bank of 3 cylinders, the trigger probably fires groups of 2 cylinders, then each cylinder will have it's own coil, plug and plug wire.
	www.seilermarine.com /info/faq/ignition-system.htm (682 words)

	Ignition system Summary
		At the moment of ignition, a valve would open and the coal gas would enter this cylinder and be exposed to the red-hot tube, igniting the gas and driving the piston down its cylinder.
		The ignition system of an internal-combustion engine is an important part of the overall engine system that provides for the timely burning of the fuel mixture within the engine.
		The ignition system is usually switched on/off through a lock switch, operated with a key or code patch.
	www.bookrags.com /Ignition_system (2385 words)

	Ignition Timing
		The system combines a primary voltage delivery to the ignition coil and electronic control units and secondary voltage released from the coil travels through the distributor, out through the plug wires, to the spark plugs where it jumps the gap and ignites the mixture.
		Your ignition system consists of supply voltage (in most cases a 12-volt battery), an on/off switch (your ignition switch), a spinning distributor (or crank trigger) that houses a triggering device, an ignition coil to deliver 20,000-50,000 volts of secondary voltage, spark plugs, and spark plug wires to get the current to the plugs.
		The ignition coil is the workhorse of the ignition system and must be the first upgrade you consider.
	www.centuryperformance.com /timing.asp (5056 words)

	Electronic Ignition Overview
		It is in 1911 that he developed the first electrical ignition system (or at least the design concepts that lead to that invention).
		In the perfect ignition process we would achieve efficient combustion progression at exactly the right time to produce the optimum pressure gradients in the cylinder in complete harmony with the piston movement relative to the piston rod to crankshaft rotation.
		With the Kettering Induction ignition design, the coils are powered all the time at 12 volts and are commanded to collapse to spark by the ignition module.
	www.jetav8r.com /Vision/Ignition/CDI.html (6981 words)

	Programmable Ignition Systems
		This means that we are asking the same motor and the same programmable capacitor discharge ignition system that is used on the bike to work for karts.
		The programmable capacitor discharge ignition system for the stock motor is made to accommodate these variables to protect the average motorcycle consumer.
		With stock boxes a technical rule the teams are forced to inventory multiple stock ignition boxes and sometimes even multiple ignition rotors and stators to allow the team to tune for a particular track or for a particular condition.
	www.rscycles.com /tech_articles/programmable_ignition_systems.htm (2063 words)

	Ignition System
		Ignition Coil: The coil raises the battery voltage to a higher level of intensity which is required to ignite the fuel and air mixture.
		Ignition Module: This module controls the time factor this is important for the spark plugs to fire at the appropriate time.
		Distributorless Ignition Crankshaft Angle Sensor: This sensor tells the injection processor the position and speed of the crankshaft which is crucial for a car to be in tune.
	www.nicksautorepair.com /ignition.html (597 words)

	Spark Plug, Ignition System
		Spark ignition engines of practically all types and sizes utilize ignition systems that can develop up to about 30 Kv for breakdown of the spark plug gap and typically deliver current levels in the range of 30 to 100 ma.
		These experiments and analyses were for breakdown conditions where the ignition current was greater than or equal to 100 ma and a fully developed spark discharge occurred with a duration of nanoseconds to multi-microseconds.
		The system was initially designed as a research device to study the effect of varying energy input to the ignition process.
	home.earthlink.net /~jeweldr/tech/spark1.htm (1965 words)

	[No title] (Site not responding. Last check: )
		The IDI or EI system consists of two separate ignition coils, an ignition module/Ignition Control Module (ICM) and a secondary conductor housing which is mounted to an aluminum cover plate.
		The ICM or ignition module sends reference signals to the computer control module (ECM/PCM), based on the Crankshaft Position (CKP) sensor pulses, which are used to determine crankshaft position and engine speed.
		The EST system is basically the same EST to ECM circuit used on the distributor type ignition systems with EST.
	www.autozone.com /servlet/UiBroker?ForwardPage=/az/cds/en_us/0900823d/80/0e/62/d4/0900823d800e62d4.jsp (1447 words)

	Pelican Technical Article: BMW E30 3 Series Ignition System Tune-Up
		During a normal ignition tune-up all of these items are replaced.
		Most ignition gapers are available at your local auto parts store for usually under a buck.
		Check the gap by sliding the tool in between the contact arm and the electrode, and slide it around until it drags slightly, now read the mark on the side.
	www.pelicanparts.com /BMW/techarticles/JF-Tech/BMW_E30_3_Series_Ignition_System_Tune.htm (1236 words)

	Howstuffworks "How Automobile Ignition Systems Work"
		Other HowStuffWorks articles explain the mechanics of the engine and many of its subsystems, including the fuel system, cooling system, camshafts, turbochargers and gears.
		One could argue that the ignition system is where it all comes together, with a perfectly timed spark.
		And finally, we'll talk about some of the newer systems that use solid-state components instead of the distributor.
	auto.howstuffworks.com /ignition-system.htm (297 words)

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