planet gear

Also found in: Thesaurus, Encyclopedia.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Planet gear - an outer gear that revolves about a central sun gear of an epicyclic trainplanet gear - an outer gear that revolves about a central sun gear of an epicyclic train
epicyclic gear train, epicyclic train - a system of epicyclic gears in which at least one wheel axis itself revolves about another fixed axis
cogwheel, gear, gear wheel, geared wheel - a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
We assume that each planet gear has the same mass and rotary inertia.
So any planet branch located at an arbitrary planet position angle fk can be considered as a combination of three subsystems: a sun and planet gear pair, a ring and planet gear pair and a carrier and planet gear pair, shown in Figure 3.
The tangential force between the sun and planet gear is plotted in Figure 13, with a steady state value of 412 [KN].
A preliminary report by the inquiry team found the most likely cause of the April 29 tragedy near Bergen was a fatigue fracture in a second stage planet gear.
"Recent metallurgical findings have revealed features strongly consistent with fatigue in the outer race of a second stage planet gear in the epicyclic module of the (main gear box)," the Accident Investigation Board Norway said in a report published on its website on Wednesday.
The designs: Design A | is inspired by the Industrial Revolution invention of the sun and planet gear system invented by William Murdoch for Boulton & Watt.
However, each planet gear is actually a compound design which meshes with two sun pinion shafts: one input shaft and one output shaft.
The root of the failure was a magnetic particle found on the chip detector of the part of the main rotor gearbox known as the second stage planet gear.
Band drive is affected by a play-free planet gear and belt system.