Description:

The topic covers the basics of all types of gearboxes used in motor vehicles: mechanical gearboxes, automatics planetary gearset transmissions, CVT/IVT, hydrodynamic and hydrostatic transmissions

Contents:

1 - Matching engine with transmission
2 - Disposition of drivetrain
3 - Mechanical gearboxes
4 - Specificities of motorvehicle gearwheels
5 - Driveaway clutch
6 - Shift clutches
7 - Hydrodynamic transmission
8 - Hydrostatic transmission
9 - Calculation of single planetary sets
10 - Calculation of nested planetary sets
11 - Automatic gearboxes
12 - CVT
13 - Powertrains with more driven axles

Seminar contents:

1 - Matching the engine and the vehicle - calculation of gearbox ratios
2 - Calculation of friction launch clutch
3 - Laboratory measurement of gearwheels
4 - Disassembly / Assembly of mechanical gearbox
5 - Calculation of single planetary set
6 - Calculation of kinematics of nested planetary sets
7 - Calculation of torques and efficiency of nested planetary set
8 - Calculation variogram
9 - Laboratory measurement hydrodynamic torque converter
10 - Calculation of hydrostatic drie
11 - Calculation of gearshift system
12 - Calculation of nested transmissions with parallel link
13 - Calculation of 4x4 drive

Recommended literature:

1) Lechner G., Naunheimer H., et al: Automotive Transmissions, Springer, 1999, 2010
2) Achtenová G.: Planetary Gear Sets in Automotive Transmissions, CTU 2011

Keywords:

Mechanical transmissions Automatic transmissions Hydraulic tranmissions CVT/IVT

Abbreviations used:

Semester:

• W ... winter semester (usually October - February)
• S ... spring semester (usually March - June)
• W,S ... both semesters

Mode of completion of the course:

• A ... Assessment (no grade is given to this course but credits are awarded. You will receive only P (Passed) of F (Failed) and number of credits)
• GA ... Graded Assessment (a grade is awarded for this course)
• EX ... Examination (a grade is awarded for this course)
• A, EX ... Examination (the award of Assessment is a precondition for taking the Examination in the given subject, a grade is awarded for this course)

Weekly load (hours per week):

• P ... lecture
• C ... seminar
• L ... laboratory
• R ... proseminar
• S ... seminar