Planetary gear sets are smaller and more compact, and this limits heat dissipation. To keep the gears cool, the lubricant can be sent through a heat exchanger, or a cooling fan can be designed in.

It's called the planetary gear set and the way it works will have your head swimming in concentric circles. That is, until you watch this wonderful classic video that provides a clear view of ...

Learn about what planetary gears are and how they work. Our Guides & Gear editors have dropped their cumulative knowledge about planetary gears here for all to read.

Actually, this is not the first laser-cut planetary gear clock that we have seen. In case you are wondering about the advantages of planetary gearboxes, you might want to check out how a 3D ...

When shifting an AT into gear, a valve body routes pressurized automatic transmission fluid (ATF) to internal bands and clutch packs that lock and unlock ingenious planetary gear sets ...

Early automatic transmissions with names like Hydra-Matic, Dynaflow, ZF, and Hondamatic delivered simplistic driving, but heavy planetary gear systems and torque converters sacrificed fuel efficiency.

The rather interesting tech involves three planetary gear sets – each doing the usual dance with a sun gear, ring gear and planetary carrier – plus three "selectively engagable" clutches that ...

According to GlobalData’s company profile on Dana, Differential gear shafts was a key innovation area identified from patents. Dana's grant share as of May 2024 was 50%.