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File:Automotive vibrator spark coil.jpg

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is used to repeatedly break the current from the battery, creating the flux changes needed for induction. It is located at the end of the transformer's iron core. The current in the primary creates a magnetic field in the core which attracts the iron armature, opening the contacts and interrupting
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It consists of a step-up transformer with a primary with relatively few turns, powered by the car's battery, and a secondary with many turns of fine wire which produces a high voltage in the range of 10,000 - 20,000 V at the terminals on top, for the car's spark plug. To operate the transformer on
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the primary current. The magnetic field then collapses, creating a pulse of high voltage in the secondary coil, and the contact springs closed again. This cycle is repeated 20-40 times per second.
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for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See
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This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the
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used for ignition in early automobiles such as the Model T in the early 20th century, and also in high voltage devices such as
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This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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If the file has been modified from its original state, some details may not fully reflect the modified file.
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The following pages on the English Knowledge use this file (pages on other projects are not listed):
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occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See
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Harry Winfield Secor, Sidney Gernsback, Austin Celestin Lescarboura (1912)
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Click on a date/time to view the file as it appeared at that time.
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DC, a vibrating contact called an "interrupter" or "trembler"
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Add a one-line explanation of what this file represents
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Commons is a freely licensed media file repository.
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File:Automotive vibrator spark coil.jpg
Automotive_vibrator_spark_coil.jpg
Wikimedia Commons
description page there
You can help
induction coil
x-ray machines
spark-gap radio transmitters
Harry Winfield Secor, Sidney Gernsback, Austin Celestin Lescarboura (1912) Wireless Course in Twenty Lessons, Electro Importing Co., New York, p. 15, fig. 15
public domain
United States
publication
this page
rule of the shorter term
Knowledge:Public domain
Knowledge:Copyrights
depicts
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inception
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media type
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checksum
determination method
SHA-1
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