pole piece

American  

noun

Electricity.

1. a piece of magnetic material at a pole of a permanent magnet or of an electromagnet, shaped to control the magnetic flux distribution in the vicinity of the pole.

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pole piece British  

noun

1. electrical engineering a piece of ferromagnetic material forming an extension of the magnetic circuit in an electric motor, etc, used to concentrate the magnetic field where it will be most effective

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Etymology

Origin of pole piece

First recorded in 1880–85

Example Sentences

The pole piece M3 attracts the armature r, and by the lateral pressure causes the clamp R to grasp the rod S', and the lever A is simultaneously moved from the position shown by dotted lines, Fig.

From Project Gutenberg

The improvement is not restricted to the use of four pole pieces, as it is evident that each pole piece could be divided or more than four formed by the shape of the casting.

From Project Gutenberg

In case the pole piece be made larger than the core and separate therefrom, it is put into position after the coils are in place, thus serving the double purpose of pole piece and clamp.219 Ques.

From Project Gutenberg

In construction, the above core and pole piece is made up of sheets of annealed steel of two different widths assembled together to form proper size and shape.

From Project Gutenberg

Wayne laminated core without pole piece, as used on large dynamos.

From Project Gutenberg