commutator ring

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• commutator — [käm′yə tāt΄ər] n. [< L commutatus (pp. of commutare,COMMUTE) + OR] a device that commutates an electric current, esp. a split ring metallic conductor that spins rapidly with the armature of a DC motor or generator while in contact with the… …   English World dictionary

• Commutator — This article is about the mathematical concept. For the relation between canonical conjugate entities, see canonical commutation relation. For the type of electrical switch, see commutator (electric). In mathematics, the commutator gives an… …   Wikipedia

• 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

• commutator — /ˈkɒmjuteɪtə/ (say komyoohtaytuh) noun a device for reversing the direction of an electric current especially in a dynamo or motor. See slip ring commutator, split ring commutator …  

• Ring (mathematics) — This article is about algebraic structures. For geometric rings, see Annulus (mathematics). For the set theory concept, see Ring of sets. Polynomials, represented here by curves, form a ring under addition and multiplication. In mathematics, a… …   Wikipedia

• commutator — [1] A series or ring of copper bars that are connected to the armature windings. The bars are insulated from each other and from the armature. The brushes (as in the generator or starter) rub against the whirling commutator. [2] Part of rotor in… …   Dictionary of automotive terms

• commutator — /kom yeuh tay teuhr/, n. 1. Elect. a. a device for reversing the direction of a current. b. (in a DC motor or generator) a cylindrical ring or disk assembly of conducting members, individually insulated in a supporting structure with an exposed… …   Universalium

• commutator — com•mu•ta•tor [[t]ˈkɒm yəˌteɪ tər[/t]] n. 1) elm a) a device for reversing the direction of a current b) (in a DC motor or generator) a ring or disk assembly that works to change the frequency or direction of current in the armature windings 2)… …   From formal English to slang

• Mercury swivel commutator — A mercury swivel commutator is an electrical commutator typically used in electrophysiological experiments on head free or moving animals. Electrical recordings from stationary, head fixed animals can be done with electrodes attached to a… …   Wikipedia

• Slip ring — Sketch of an electric motor with slip rings A slip ring (in electrical engineering terms) is a method of making an electrical connection through a rotating assembly. Slip rings, also called rotary electrical interfaces, rotating electrical… …   Wikipedia

• split ring — noun 1. : a metal ring which consists of two complete turns of a helix pressed flat together and upon which objects (as keys) may be strung 2. : a primitive form of commutator for a dynamo or motor consisting of a simple ring or cylindrical shell …   Useful english dictionary