EDDY CURRENT BRAKE FOR A CRUSHER
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United States of America Patent
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Issued Date -
Aug 22, 2024
app pub date -
Feb 16, 2023
filing date -
Feb 16, 2023
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Abstract
A braking system for use with a crusher having a moving crushing member and a stationary crushing member. The braking system is positioned and is operable to restrict rotational movement of the moving crushing member. The braking system includes a braking disc or plate and one or more braking yokes that each include a magnetic member, such as a permanent magnet or an electric magnet. The braking disc is formed from an electrically conductive material and is perpendicular to the magnets of the braking yoke. Relative movement between the braking disc and the braking yoke induces an eddy current in the braking disc. The induced eddy current creates a magnetic force that opposes rotational movement of the moving crushing member. The braking system can be used with a compact eccentric crusher to restrict the rotation of a crushing roller during an idle mode.
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