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commutator
(redirected from Commutators)

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commutator

Device in a DC (direct-current) electric motor that reverses the current flowing in the armature coils as the armature rotates.

A DC generator, or dynamo, uses a commutator to convert the AC (alternating current) generated in the armature coils into DC. A commutator consists of opposite pairs of conductors insulated from one another, and contact to an external circuit is provided by carbon or metal brushes.



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? Mentioned in ? References in periodicals archive
 
Van Dijk cites growing applications in automotive water pumps, temperature-regulator modules, fuel pumps, transmission reactor/stators, and commutators.
Phenolics set stiff pace under the hood. (Thermosets/Composites ... by Naitove, Matthew H. / Plastics Technology
With a switch to automatized communication systems based on digital fast communication and computer commutators, and optical fiber channels technological rivalry will become even fiercer.
Tactics of the twenty-first century by Vorobyov, Ivan / Military Thought
In addition, the omni-directional technology creates a virtually maintenance free unit; AC motors eliminate brushes and commutators and are lubricated for life eliminating the need for additional greasings and fittings.
First Ever Omni-Directional Vehicle Delivered to Philadelphia Area ... by Business Wire
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