Automatic transmission
part · 1939 · Electric age
A gearbox with a torque converter and planetary gear sets (Hydra-Matic).
What it is made of
- Torque converter — has part. A torque converter.
- Planetary gear — has part. Planetary gear sets.
Principles and materials it uses
Where it is used
- Car — is part of. An automatic gearbox changes gear by itself.
What it is a kind of
- Transmission (gearbox) — is a kind of. A gearbox.
- Continuously variable transmission — includes. A CVT is an automatic gearbox without steps: the ratio changes smoothly.