Mechanical and Hydraulical Transmissions

Course guarantor:

Gabriela Achtenová

Lecturer:

Gabriela Achtenová

Tutor:

Gabriela Achtenová

Supervisor:

Department of Automotive, Combustion Engine and Railway Engineering

Synopsis:

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

Requirements:

Information on the organisation of the course, special conditions for the award of ungraded assessment, graded assessment or examination and study materials can be found on the study material server https://studium.fs.cvut.cz/studium/u12120/E211124_MHT .

Syllabus of lectures:

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

Syllabus of tutorials:

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

Study Objective:

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

Study materials:

1) Lechner G., Naunheimer H., et al: Automotive Transmissions, Springer, 1999, 2010

2) Achtenová G.: Planetary Gear Sets in Automotive Transmissions, CTU 2011

Note:

Time-table for winter semester 2024/2025:

	06:00–08:0008:00–10:0010:00–12:0012:00–14:0014:00–16:0016:00–18:0018:00–20:0020:00–22:0022:00–24:00
Mon
Tue	roomKN:A-221 Achtenová G. 09:00–11:30 (lecture parallel1) Karlovo nám. roomKN:A-221 Achtenová G. 12:30–15:00 (lecture parallel1 parallel nr.101) Karlovo nám.
Wed
Thu
Fri

Time-table for summer semester 2024/2025:

Time-table is not available yet

The course is a part of the following study plans:

• 19 162 NMAE 2012 bez odoru základ (compulsory course in the program)