Need for a gearbox
Automotive transmissions - Role and determination of gear ratios

Add to my library

BM2582 V1 Article

Need for a gearbox
Automotive transmissions - Role and determination of gear ratios

Authors : Elian BARON, Philippe PESCAROU

Review date: June 29, 2023 | Lire en français

Add to my library Add to my library

Logo Techniques de l'Ingenieur You do not have access to this resource.
Request your free trial access! Free trial

Already subscribed?

1. Need for a gearbox

An automotive gearbox is a mechanical device that adapts the torque and speed of the engine to the torque and speed required by the axle, depending on the driving conditions encountered.

Although continuously-variable transmissions exist, most gearboxes have discrete ratios, with the various gear ratios provided by helical gears with parallel axes [B 5 660] or epicyclic gears. Figure 1 shows an example of a six-speed manual gearbox, with details of the kinematics used for each gear.

You do not have access to this resource.
Logo Techniques de l'Ingenieur

Exclusive to subscribers. 97% yet to be discovered!

You do not have access to this resource. Click here to request your free trial access!

Already subscribed?

Article included in this offer

"Vehicules and mobility"

( 92 articles )

Complete knowledge base

Updated and enriched with articles validated by our scientific committees

Services

A set of exclusive tools to complement the resources

View offer details
Contact us
Contact our team FAQ