HYDRAULISCHE STEUEREINRICHTUNG ZUM SELBSTTAETIGEN UMSCHALTEN EINES KRAFTFAHRZEUGGETRIEBES

摘要

An improvement in controlling the automatic shifting of a planetary gear in an automatic transmission for motor vehicles. The purpose is to make the down-shift a smoother operation by eliminating the shifting jolt caused by a downshift made when the engine is incorrrctly synchronized with the lower gear for a given vehicle speed.