sun gear


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Related to sun gear: planetary gear

sun gear

[′sən ‚gir]
(mechanical engineering)
References in periodicals archive ?
In the structure of the power-split hybrid electric vehicle, a smaller motor is attached to the sun gear of the planetary gear set.
To determine the efficiency, let's consider the scheme of the forces acting in the clutches of the sun gear and satellite ([[bar.
the top, middle, and bottom nodes are always the ring, carrier, and sun gears of the PG, respectively.
It has four basic components: ring gear, sun gear, planet gears, and a carrier that, connects the planet gears.
Meanwhile, the meshing frequency of planetary gear and sun gear and its harmonics are dominantly modulated by the planet carrier passing frequency 3[f.
Since the carrier is fixed, causing the five intermediate gears to be fixed in position, they are called "star" gears, meshing with the sun gear.
Due to the relatively small diameter of the sun gear, it is assumed that it is manufactured from a solid disc.
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.
0] denotes the kinematical interior ratio of the planetary gear with a sun gear from Fig.
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.
The sun gear of the number one planetary gear is connected to the first electric motor and the carrier gear is tied to the output.
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.