sun gear

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sun′ gear`


n.
(in an epicyclic train) the central gear around which the planet gears revolve.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sun gear - the central gear in 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
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References in periodicals archive
Make sure your summer adventure pack is full of sun gear: sunscreen, sunglasses, SPF clothing, and a baseball cap or a wide-brimmed hat.
5 things for a stress-free summer adventure
Control in such devices is realised by means of a sun gear, which rotates the hydraulic pump of a closed hydraulic system through a gear train and pumps the liquid in it with a certain angular velocity of the control link.
THE EFFICIENCY OF THE DIFFERENTIAL GEAR TO DEVICES FOR CONTROLLING THE SPEED CHANGE THROUGH A SUN GEAR
'We wish to remind everyone to bring sun gear, like umbrellas, sunglasses and hats due to the hot weather.
Sunflower maze opens again today
As is common in the horizontal wind turbines, the ring gear would be connected to the bedplate, and the planet carrier would be connected to the rotor hub, while the sun gear would be connected to the output shaft, which is connected to the next stage.
Computational Design Scheme for Wind Turbine Drive-Train Based on Lagrange Multipliers
MG2 is linked to the sun gear directly, while MG1 is connected to the ring gear and separated from engine by an electronic control clutch.
Dynamic Shift Coordinated Control Based on Motor Active Speed Synchronization with the New Hybrid System
This is much simpler than using a mechanical planetary system where the speed of the sun gear must be controlled.
Vibration attenuation in magnetic transmission: Andy Pye discovers how vibration attenuation can be achieved in a magnetically controlled variable transmission
Former basic units 1c (planetary carrier) and 1s (sun gear) are connected to units 2r (inner ring) and 2c (planetary carrier) of differential gear train, respectively.
Analysis of dynamic behavior of multiple-stage planetary gear train used in wind driven generator
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