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SESSION 2014-15 
BOSCH 
• Guided by:- Parag Kavatker
NEWER TECHNOLOGIES IN DIESEL 
AND GASOLINE SYSTEM 
PRESENTED BY : SANJEEV KR. PATHAK 
(110106242) 
B.TECH.-MECHANICAL ENGINEERING 
SHARDA UNIVERSITY
1. Introduction 
• What is BOSCH? 
• Founded in 1951, Bosch Limited is India’s largest automotive 
component manufacturer and also one of the largest Indo – 
German companies in India. 
• Bosch has been present in India for more than 80 years - first 
through a representative office in Calcutta since 1922, and from 
1951 through its subsidiary Bosch Limited.Today the Bosch Group in 
India has grown to include 6 group companies of which Bosch 
Limited is the flagship business entity. Bosch Limited has its 
manufacturing facilities in Bangalore, Nashik, Naganathapua, Jaipur 
and Goa. The company has over the 12,236 associates. It 
manufacturers and trades products as diverse as diesel and gasoline 
fuel injection systems, automotive aftermarket products, auto 
electricals, special purpose machines, packaging machines, electric 
power tools and security systems. In 2011 Bosch Limited touched a 
turnover of Rs. 8017.9 crores.
•The company has also developed excellent R&D 
facilities in the country resulting in a strong and loyal 
customer base. The market leadership of Bosch 
Limited is a testimony to the high quality and 
technology of its products. 
•In addition to this, Bosch in India also has a strong 
automotive training network that is spread across 15 
cities thereby offering parts, bytes, services and 
training all under one roof.
2: Basic Engine Components under 
the bonnet 
• Indentification of diesel and petrol engines by 
looking under the bonnet of the car 
1. Petrol engines have spark plugs whereas diesel 
engines have fuel injectors and no spark plugs. 
2. Petrol Engines have throttling body whereas 
diesel engine donot. 
3. A charcoal canister is seen in petrol engines and 
not in diesel engine cars. 
4. Small fuel filters in petrol engines and big in 
diesel engines.
MPFI (Multi Port Fuel Injection) 
systems in petrol engines 
• Multiport fuel injection injects fuel into the 
intake ports just upstream of each cylinder's 
intake valve, rather than at a central point 
within an intake manifold. MPFI (or just MPI) 
systems can be sequential, in which injection 
is timed to coincide with each cylinder's intake 
stroke.
MPFI Systems
Ignition Coil 
• An ignition coil (also called a spark coil) is an induction 
coil in an automobile's ignition 
system which transforms the battery's low voltage to 
the thousands of volts needed to create an electric 
spark in the spark plugs to ignite the fuel. Some coils 
have an internal resistor while others rely on a resistor 
wire or an external resistor to limit the current flowing 
into the coil from the car's 12-volt supply. The wire that 
goes from the ignition coil to the distributor and the 
high voltage wires that go from the distributor to each 
of the spark plugs are called spark plug wires or high 
tension leads.
Location of ignition coil in the 
assembly
Exhaust system in cars 
• An exhaust system is usually piping used to 
guide reaction exhaust gases away from a 
controlled combustion inside an engine 
or stove. The entire system conveys burnt 
gases from the engine and includes one or 
more exhaust pipes. Depending on the overall 
system design, the exhaust gas may flow 
through one or more of:
• Cylinder head and exhaust manifold 
• A turbocharger to increase engine power. 
• A catalytic converter to reduce air pollution. 
• A muffler (North America) / silencer (Europe), 
to reduce noise.
Exhaust of a Vehicle
Diesel Pumps 
Single-cylinder Pumps – PF (Pumps without inbuilt 
camshaft) 
• Wide variety of pumps to suit diverse engine needs (A, 
B, K, Q, W, PF30, PF37, PF41, PF43) 
• Varied pressure capabilities from 400-1050 bar 
• Suitable for 3 to 200 hp/ cylinder diesel engines from 2 
kW to 2300 kW 
• Modular design 
• Easier adaptation for different types of engines (1, 2, 3, 
4,..16 cylinders) 
• Easy maintenance
PF Pump
Multi-cylinder Pumps – 
• Over 300 varieties in inline, catering to the 
requirements of 2 to 12-cylinder engines 
• Catering to engines with 25 hp to 540 hp 
power output (20 kW to 400 kW) 
• Speed range up to 3500 rpm (engine speed) 
• Upgraded version (A3500) to meet Euro I 
emission standards
Bosch Multi cylinder inline pump
Rotary Pumps – (Mechanical 
Governer Type) 
• Designed to achieve lower exhaust emissions 
• Highly compact and lightweight 
• Modular design for add-on devices 
• Several add-on devices for emission control and driving 
comfort 
• Speed range up to 5000 rpm engine speed 
• Built-in timing device 
• Electrical shut off 
• Enhanced driving comfort 
• Easy adaptability to a variety of engine requirements 
• Capable of working up to 950 bar peak line pressure at 
pump end
Rotary pump
New Generation Fuel Injection 
Systems 
• The Distributor Type Injection Pump with Electronically 
Controlled Injection Timing 
• Equipped with Electronically Controlled Injection 
Timing 
• The ECU with stored data maps enables closed loop 
control of injection timing by sensing injection begin 
with the help of a Needle Movement Sensor 
• A solenoid valve is installed on the injection-timing 
device at the base of the pump 
• Improves performance, while reducing emissions 
• Exhaust Gas Recirculation (EGR) aids further reduction 
in emissions
Common Rail (CR) Pump 
• Designed for injection pressures of up to 1350 
bar 
• An inlet metered pump 
• Reduction of fuel consumption 
• Lowers fuel temperature 
• Suitable for installation in passenger cars and 
commercial vehicles
CR Pumps
QUESTION????
THANK YOU

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Bosch

  • 1. SESSION 2014-15 BOSCH • Guided by:- Parag Kavatker
  • 2. NEWER TECHNOLOGIES IN DIESEL AND GASOLINE SYSTEM PRESENTED BY : SANJEEV KR. PATHAK (110106242) B.TECH.-MECHANICAL ENGINEERING SHARDA UNIVERSITY
  • 3. 1. Introduction • What is BOSCH? • Founded in 1951, Bosch Limited is India’s largest automotive component manufacturer and also one of the largest Indo – German companies in India. • Bosch has been present in India for more than 80 years - first through a representative office in Calcutta since 1922, and from 1951 through its subsidiary Bosch Limited.Today the Bosch Group in India has grown to include 6 group companies of which Bosch Limited is the flagship business entity. Bosch Limited has its manufacturing facilities in Bangalore, Nashik, Naganathapua, Jaipur and Goa. The company has over the 12,236 associates. It manufacturers and trades products as diverse as diesel and gasoline fuel injection systems, automotive aftermarket products, auto electricals, special purpose machines, packaging machines, electric power tools and security systems. In 2011 Bosch Limited touched a turnover of Rs. 8017.9 crores.
  • 4. •The company has also developed excellent R&D facilities in the country resulting in a strong and loyal customer base. The market leadership of Bosch Limited is a testimony to the high quality and technology of its products. •In addition to this, Bosch in India also has a strong automotive training network that is spread across 15 cities thereby offering parts, bytes, services and training all under one roof.
  • 5. 2: Basic Engine Components under the bonnet • Indentification of diesel and petrol engines by looking under the bonnet of the car 1. Petrol engines have spark plugs whereas diesel engines have fuel injectors and no spark plugs. 2. Petrol Engines have throttling body whereas diesel engine donot. 3. A charcoal canister is seen in petrol engines and not in diesel engine cars. 4. Small fuel filters in petrol engines and big in diesel engines.
  • 6. MPFI (Multi Port Fuel Injection) systems in petrol engines • Multiport fuel injection injects fuel into the intake ports just upstream of each cylinder's intake valve, rather than at a central point within an intake manifold. MPFI (or just MPI) systems can be sequential, in which injection is timed to coincide with each cylinder's intake stroke.
  • 8. Ignition Coil • An ignition coil (also called a spark coil) is an induction coil in an automobile's ignition system which transforms the battery's low voltage to the thousands of volts needed to create an electric spark in the spark plugs to ignite the fuel. Some coils have an internal resistor while others rely on a resistor wire or an external resistor to limit the current flowing into the coil from the car's 12-volt supply. The wire that goes from the ignition coil to the distributor and the high voltage wires that go from the distributor to each of the spark plugs are called spark plug wires or high tension leads.
  • 9. Location of ignition coil in the assembly
  • 10. Exhaust system in cars • An exhaust system is usually piping used to guide reaction exhaust gases away from a controlled combustion inside an engine or stove. The entire system conveys burnt gases from the engine and includes one or more exhaust pipes. Depending on the overall system design, the exhaust gas may flow through one or more of:
  • 11. • Cylinder head and exhaust manifold • A turbocharger to increase engine power. • A catalytic converter to reduce air pollution. • A muffler (North America) / silencer (Europe), to reduce noise.
  • 12. Exhaust of a Vehicle
  • 13. Diesel Pumps Single-cylinder Pumps – PF (Pumps without inbuilt camshaft) • Wide variety of pumps to suit diverse engine needs (A, B, K, Q, W, PF30, PF37, PF41, PF43) • Varied pressure capabilities from 400-1050 bar • Suitable for 3 to 200 hp/ cylinder diesel engines from 2 kW to 2300 kW • Modular design • Easier adaptation for different types of engines (1, 2, 3, 4,..16 cylinders) • Easy maintenance
  • 15. Multi-cylinder Pumps – • Over 300 varieties in inline, catering to the requirements of 2 to 12-cylinder engines • Catering to engines with 25 hp to 540 hp power output (20 kW to 400 kW) • Speed range up to 3500 rpm (engine speed) • Upgraded version (A3500) to meet Euro I emission standards
  • 16. Bosch Multi cylinder inline pump
  • 17. Rotary Pumps – (Mechanical Governer Type) • Designed to achieve lower exhaust emissions • Highly compact and lightweight • Modular design for add-on devices • Several add-on devices for emission control and driving comfort • Speed range up to 5000 rpm engine speed • Built-in timing device • Electrical shut off • Enhanced driving comfort • Easy adaptability to a variety of engine requirements • Capable of working up to 950 bar peak line pressure at pump end
  • 19. New Generation Fuel Injection Systems • The Distributor Type Injection Pump with Electronically Controlled Injection Timing • Equipped with Electronically Controlled Injection Timing • The ECU with stored data maps enables closed loop control of injection timing by sensing injection begin with the help of a Needle Movement Sensor • A solenoid valve is installed on the injection-timing device at the base of the pump • Improves performance, while reducing emissions • Exhaust Gas Recirculation (EGR) aids further reduction in emissions
  • 20. Common Rail (CR) Pump • Designed for injection pressures of up to 1350 bar • An inlet metered pump • Reduction of fuel consumption • Lowers fuel temperature • Suitable for installation in passenger cars and commercial vehicles