Figures 1 through 5 illustrate in simplified form some of the more common planetary gear arrangements in order to establish applicable terminology. Figures 6 and 7 provide additional examples that use elements of those gear arrangements. Gear ratio is the numerical ratio of input to output speed.
| SAE International | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | J646_201807 |
| Product Name | Planetary Gears - Terminology |