sun gear

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Related to sun gear: planetary gear

sun′ gear`

(in an epicyclic train) the central gear around which the planet gears revolve.
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
References in periodicals archive ?
Tenders are invited for Forging for sun gear drg no fg 765 15 5 3
Curtis Screw is a leading North American manufacturer of close tolerance, performance-critical automotive components, including pinion and sun gear blanks, parking components, hydraulic connectors, engine timing components and retainer assemblies, serving major vehicle programs.
The products' design also features single piece carrier plates with integral gear posts and sun gear that can be arranged as needed to achieve the desired reduction ratio, and a 416 stainless steel output shaft as well as a sintered metal output bearing to protect against corrosion.
It consists of a sun gear, three planetary gears attached to a carrier and a ring gear.
29 mm/s at synchronous frequency 25 Hz, the sun gear rotation frequency 187 Hz vibration velocity amplitude is low 0.
If the Sun gear doesn t perform at least twice as fast, Oracle will pay the company 10 million dollars, Ellison said.
lt;p>Ellison said he would give $10 million to anyone -- any major company or enterprise -- whose existing database application would not run at least twice as fast on Sun gear.
In response Watt and William Murdock invented the sun and planet gear system, whereby one or more outer gears, or planet gears, rotate around a central or sun gear.
Exactly what Sun gear ACS will use is also not known, but given the fact that ACS is aiming the utility hosting service at the Global 1000, both companies expect that if the idea takes off it could mean the sale and use of capacity of a lot of big and little iron as well as storage and Sun software.
When this fixed sun gear revolves, it turns the planet gears to create motion and/or power.
Being able to offer Sun gear as a premium hardware platform for our technology makes a lot of sense," said Michael Hyatt, president of BlueCat Networks.
Tenders are invited for Repair Of Ring Gear Sun Gear 01 Of Dozer