Variable speed belt drive sheaves are common on combines. At their simplest, a pair of sheaves at one end of a belt moves closer together or farther apart. Another pair of sheaves at the other end of ...

Variable-pitch drives are the simplest of all mechanical adjustable-speed mechanisms. Most of these drives use rubber belts. However, chain types are unmatched in regard to its particular strong ...

May 13, 2009 A new generation of Belt-Integrated Starter Generator (B-ISG) has been developed by powertrain engineering consultancy Integral Powertrain. The stop-start system with new multi-mode, ...

A CVT, or continuously variable automatic transmission, is a type of automatic transmission that typically uses pulleys and either a belt or chain—as opposed to gears—to transfer the engine's power to ...