idler gear

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• idler gear — noun 1. : a gear placed between a driving and a driven gear to transfer motion without change of direction or gear ratio 2. : a gear for support or guidance instead of power transmission * * * idler gear, an extra gear placed between two others:… …   Useful english dictionary

• idler gear — A gear that is placed between two other gears to reverse the direction of rotation of the output gear. Also see reverse idler gear …   Dictionary of automotive terms

• idler — [īd′lər, īd′ l ər] n. 1. a person who wastes time and does no work; lazy person 2. a gear placed between two others to transfer motion from one to the other without changing their direction or speed: also idler gear or wheel or idle wheel 3. a… …   English World dictionary

• reverse idler gear — A gear used in the transmission to produce a reverse rotation of the transmission output shaft …   Dictionary of automotive terms

• Idler-wheel — An idler wheel drive is a system used to transmit the rotation of the main shaft of a motor to another rotating device. For example the platter of a record reproducing turntable or the crankshaft to camshaft gear train of an automobile.An idler… …   Wikipedia

• Gear ratio — The gear ratio is the relationship between the number of teeth on two gears that are meshed or two sprockets connected with a common roller chain, or the circumferences of two pulleys connected with a drive belt. General description In the… …   Wikipedia

• gear — Wheel like part with teeth cut into the rim. When one gear meshes with another gear, it causes the second gear to drive the other and in this way transmits power. When the gears are different sizes (different number of teeth on each gear) the… …   Dictionary of automotive terms

• idler — [1] A gearwheel between a driving and a driven gear in a gear train which may serve to reverse the original direction of rotation of the driven wheel. [2] A free turning pulley or wheel which serves to maintain tension in a belt drive. Also see… …   Dictionary of automotive terms

• idler wheel — noun also idle wheel : a wheel or roller used to transfer motion or to guide or support something: as a. : idler gear b. : idler pulley c. : a rubber surfa …   Useful english dictionary

• Idler — An idler is a mechanical device such as an idler pulley or idler wheel that is secondary to the main transfer of power in a mechanical system. See also * Gear ratio * The Idler magazines and an essay collection entitled The Idler * …   Wikipedia

• Gear pump — [ Gerotor pump] A Gear pump uses the meshing of gears to pump fluid by displacement. They are one of the most common types of pumps for hydraulic fluid power applications. Gear pumps however are also widely used in chemical installations to pump… …   Wikipedia