commutator brush

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• Commutator (electric) — This article is about the electrical component. For mathematical concept, see Commutator . A tiny 5 segment commutator less than 2 mm in diameter, on a direct current motor in a toy radio control ZipZaps car. A commutator is a rotary electri …   Wikipedia

• Brush — (br[u^]sh), n. [OE. brusche, OF. broche, broce, brosse, brushwood, F. brosse brush, LL. brustia, bruscia, fr. OHG. brusta, brust, bristle, G. borste bristle, b[ u]rste brush. See {Bristle}, n., and cf. {Browse}.] 1. An instrument composed of… …   The Collaborative International Dictionary of English

• Commutator — Com mu*ta tor, n. (Elec.) A piece of apparatus used for reversing the direction of an electrical current; an attachment to certain electrical machines, by means of which alternating currents are made to be continuous or to have the same direction …   The Collaborative International Dictionary of English

• Brush (electric) — A brush is a device which conducts current between stationary wires and moving parts, most commonly in a rotating shaft. Typical applications include electric motors, alternators and electric generators. EtymologyFor an electric motor or… …   Wikipedia

• brush — [1] A paintbrush. See airbrush. [2] The pieces of carbon, or copper, that rub against the commutator on the generator or starter motor or against the slip rings on an alternator. As they wear down, they need to be replaced. Also see carbon brush… …   Dictionary of automotive terms

• brush spring — A spring which pushes against the back end of a carbon brush in an electric motor to force it against the commutator or slip ring. Also see carbon brush spring …   Dictionary of automotive terms

• brush holder — A device which keeps the carbon brushes in an electric motor in contact with the commutator or slip ring …   Dictionary of automotive terms

• Electrical brush — Brush Brush (br[u^]sh), n. [OE. brusche, OF. broche, broce, brosse, brushwood, F. brosse brush, LL. brustia, bruscia, fr. OHG. brusta, brust, bristle, G. borste bristle, b[ u]rste brush. See {Bristle}, n., and cf. {Browse}.] 1. An instrument… …   The Collaborative International Dictionary of English

• Third-brush dynamo — A Third brush dynamo was a type of electrical generator formerly used for battery charging on motor vehicles. It was superseded, first by a two brush dynamo equipped with an external voltage regulator, and later by an alternator. As the name… …   Wikipedia

• carbon brush — A block of carbon to which a copper wire (or braided cable) is attached at one end and the other end rubs against a commutator, collector ring, or slip ring to transmit electricity …   Dictionary of automotive terms

• List of Edison patents — Below is a list of Edison patents. Thomas Edison was an inventor who, it is said, accumulated 1500 plus patents worldwide for his inventions. Nearly 1100 of Edison s patents were in the United States, but other patents were approved in countries… …   Wikipedia