The hydraulic clutch control control equipment in the full power-shift transmission

摘要

(57) Abstract Objective The change where it can change simultaneously with the main speed change section and the secondary speed change sectionThe speed change shock in the fast step is decreased. Constitution Hydraulic clutch of secondary speed change section and main speed change section simultaneouslyWhen it changes, for example 3rd gear (L3) from speed 4th gear (M4) the occasion where it raises shifts, low speed of the secondary speed change section (L) the business oilOil pressure of hydraulic clutches for 3rd gear of pressure clutch and main speed change sectionWhen it releases, simultaneously, the medium speed of the secondary speed change section (M) business hydraulic kuratsuOil pressure of hydraulic clutches for 1st gear of chi and main speed change section control of boostIt does. In this case, the medium speed (in M) business hydraulic clutch, beforehand specifiedSupplying retention pressure P _m, engagement lag of the said hydraulic clutch antiStopping it does.