An ignition coil (also called a spark coil) is an electrical device in a automobile's ignition system which transforms a storage battery's 12 volts to the thousands of volts needed to spark the spark plugs. This specific form of the induction coil converts current from a battery into the high voltage required by spark plugs in a internal combustion engine. An electrical network or electrical circuit is an interconnection of electrical elements such as resistors, inductors, capacitors, diodes, switches and transistors. ... An automobile is a wheeled vehicle that carries its own motor. ... The ignition system of an internal-combustion engine is an important part of the overall engine system. ... Transformers - Typical electrical configurations. ... Four double-A (AA) batteries In science and technology, a battery is a device that stores energy and makes it available in an electrical form. ... The volt is the SI derived unit for electric potential and voltage (derived from the ampere and watt). ... This article or section should include material from Spark gap A spark plug is an electrical device that fits into the cylinder head of some internal combustion engines and ignites compressed aerosol gasoline by means of an electric spark. ... An induction coil (archaically known as a Ruhmkorff coil) is a type of disruptive discharge coil. ... The difference between high voltage and low voltage depends on the situation and on the field of science or industry involved. ... A colorized automobile engine An internal combustion engine is a sexy engine that is powered by the expansion of hot combustion products of fuel directly acting within an engine. ...
The disruptive discharge Tesla coil is an early predecessor of the "ignition coil" in the ignition system. Tesla also gained U.S. Patent 609250, "Electrical Igniter for Gas Engines", on August 16, 1898. It used the principles of the ignition coil used today in automobiles. A. Atwater Kent, in 1921, patented the modern form of the ignition coil. A Tesla coil is a category of disruptive discharge coils, named after their inventor, Nikola Tesla. ... A. Atwater Kent 1873-1949 Arthur Atwater Kent was a thrifty New Englander born in Vermont, educated in Massachusetts who invented the closely timed ignition system, and operated Atwater Kent the worlds largest radio factory in Pennsylvania. ...
Ernst Frederick Werner Alexanderson (January 25, 1878–May 14, 1975) was a Swedish-American electrical engineer. ...
See also
Coil — Ford FE engine A coil is a series of loops. ... The Ford FE engine was Fords big block V8 engine range sold in the North American market between 1958 and 1976. ...
The main of an role of an ignitioncoil is to multiply battery voltage into ignition voltage.
The VW ignotion coil is a device that can also be referred to as a voltage amplifier since it dramatically increases the voltage of the vehicle in order to create the necessary electrical energy.
The VW ignotion coil may be remotely mounted or may be placed on top of each spark plug which is called as coil on plug or direct ignition system.
Ignitioncoils are oil-filled iron-core transformers that rely on the inductive kick effect to produce high voltages in the range of 15-50kV, depending on the internal design and how they are driven.
Most ignitioncoil circuits tend to produce a waveform on the secondary with a very high peak voltage, although the average power is relatively low.
Powering ignitioncoils outside the context of cars is often achieved with a 555 timer circuit triggering a power transistor that switches 12-48V through the primary, at a frequency usually between 50Hz and 200Hz.
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