AT2301 AUTOMOTIVE TRANSMISSION SYLLABUS | ANNA UNIVERSITY BE AUTOMOBILE ENGINEERING 5TH SEMESTER SYLLABUS REGULATION 2008 2011 2012-2013 BELOW IS THE ANNA UNIVERSITY FIFTH SEMESTER BE AUTOMOBILE ENGINEERING DEPARTMENT SYLLABUS, TEXTBOOKS, REFERENCE BOOKS, IT IS APPLICABLE FOR ALL STUDENTS ADMITTED IN THE YEAR 2011 2012-2013 (ANNA UNIVERSITY CHENNAI,TRICHY,MADURAI,TIRUNELVELI,COIMBATORE), 2008 REGULATION OF ANNA UNIVERSITY CHENNAI AND STUDENTS ADMITTED IN ANNA UNIVERSITY CHENNAI DURING 2009
AT2301 AUTOMOTIVE TRANSMISSION L T P C
3 1 0 4
OBJECTIVE
To impart basic knowledge to students with respect to transmission system of
automobiles and impart knowledge that will enable the students to understand the
latest developments in the field.
UNIT I CLUTCH 12
Requirement of transmission system. Types of transmission system. Types of clutches.
Requirement of clutches. Principle of friction clutch. Construction and operation of single
plate coil spring clutch. Single plate diaphragm spring clutch, multiplate clutch, cone
clutch and electro magnetic clutch.
47
UNIT II GEAR BOX 12
Problems on performance of automobile such as resistance to motion, tractive effort,
engine speed & power and acceleration. Determination of gear ratio for passenger car,
heavy vehicle and tractors. Objectives and need of gear box in a vehicle. Construction
and operation of Sliding mesh gear box, constant mesh gear box, Synchronizers –need,
principle of operation and types such as Early Warner and Later Warner gear
synchronizers.
UNIT III HYDROMATIC DRIVE 12 Fluid coupling: Principle of operation. Constructional details. Torque capacity.
Performance characteristics. Reduction of drag torque. Hydrodynamic torque converter:
Principle of operation, constructional details, performance characteristics, multistage
torque converter, polyphase torque converter and converter coupling.
UNIT IV EPICYCLIC GEAR BOXES 12
Introduction to epicyclic gear train – external mesh and internal mesh planetary gear
trains. Ford – T – model gear box. Wilson gear box, Cotal Electro magnetic gear box ,
Automatic transmission. Hydraulic control system for automatic transmission.
UNIT V HYDROSTATIC AND ELECTRIC DRIVE 12
Hydrostatic drive: Various types of hydrostatic drives, principle of hydrostatic drive
system, advantages & limitations, comparison of hydrostatic drive with hydrodynamic
drive, construction and working of typical Janny hydrostatic drive. Electric drives:
Principle of early Ward Leonard and modified Ward Leonard control system, advantages
& limitations.
LECTURES: 45 TUTORIALS: 15 TOTAL = 60 PERIODS
TEXT BOOKS
1. Newton and Steeds, Motor vehicles, Illife Publishers, 2002.
2. Heldt .P.M, Torque converters, Chilton Book Co., 1992.
REFERENCES
1. Judge.A.W. Modern Transmission systems, Chapman and Hall Ltd, 2000.
2. Heinz Heisler, Advanced Vehicle Technology, Butterworth Heinemann, 2002.
3. Hydrostatic Transmission for vehicle applications, I.Mech E.Conference, 1981-88
AT2301 AUTOMOTIVE TRANSMISSION L T P C
3 1 0 4
OBJECTIVE
To impart basic knowledge to students with respect to transmission system of
automobiles and impart knowledge that will enable the students to understand the
latest developments in the field.
UNIT I CLUTCH 12
Requirement of transmission system. Types of transmission system. Types of clutches.
Requirement of clutches. Principle of friction clutch. Construction and operation of single
plate coil spring clutch. Single plate diaphragm spring clutch, multiplate clutch, cone
clutch and electro magnetic clutch.
47
UNIT II GEAR BOX 12
Problems on performance of automobile such as resistance to motion, tractive effort,
engine speed & power and acceleration. Determination of gear ratio for passenger car,
heavy vehicle and tractors. Objectives and need of gear box in a vehicle. Construction
and operation of Sliding mesh gear box, constant mesh gear box, Synchronizers –need,
principle of operation and types such as Early Warner and Later Warner gear
synchronizers.
UNIT III HYDROMATIC DRIVE 12 Fluid coupling: Principle of operation. Constructional details. Torque capacity.
Performance characteristics. Reduction of drag torque. Hydrodynamic torque converter:
Principle of operation, constructional details, performance characteristics, multistage
torque converter, polyphase torque converter and converter coupling.
UNIT IV EPICYCLIC GEAR BOXES 12
Introduction to epicyclic gear train – external mesh and internal mesh planetary gear
trains. Ford – T – model gear box. Wilson gear box, Cotal Electro magnetic gear box ,
Automatic transmission. Hydraulic control system for automatic transmission.
UNIT V HYDROSTATIC AND ELECTRIC DRIVE 12
Hydrostatic drive: Various types of hydrostatic drives, principle of hydrostatic drive
system, advantages & limitations, comparison of hydrostatic drive with hydrodynamic
drive, construction and working of typical Janny hydrostatic drive. Electric drives:
Principle of early Ward Leonard and modified Ward Leonard control system, advantages
& limitations.
LECTURES: 45 TUTORIALS: 15 TOTAL = 60 PERIODS
TEXT BOOKS
1. Newton and Steeds, Motor vehicles, Illife Publishers, 2002.
2. Heldt .P.M, Torque converters, Chilton Book Co., 1992.
REFERENCES
1. Judge.A.W. Modern Transmission systems, Chapman and Hall Ltd, 2000.
2. Heinz Heisler, Advanced Vehicle Technology, Butterworth Heinemann, 2002.
3. Hydrostatic Transmission for vehicle applications, I.Mech E.Conference, 1981-88
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