UTTAR PRADESH STATE ROAD TRANSPORT CORPORATION(UPSRTC),LUCKNOW

BY-SUDHIR YADAV 1212240219 SRMCEM

TOPIC-ENGINE SECTION

INTRODUCTION

• Passenger road transport services in U.P. started on 15th May, 1947• First route is from LUCKNOW – BARABANKI• There are around 7668 buses are running• Operate over 2.5 million kilometers• Over 1.3 million peoples travelling everyday• Earning of UPSRTC over Rs.38.3 million everyday

OBJECTIVES

• Heavy maintenance and repair of vehicles• Reconditioning of major

assemblies• Renovation of buses• Construction of bodies on

new chassis• Tyre retreading

WORKSHOP

• Central workshops in Kanpur1. Central Workshop,

Rawatpur2. Dr. Ram Manohar Lohia

Workshop, Allen Forest• Car Section is established in

Lucknow.

ENGINE SECTION

• Study about diesel engine• Components of diesel engine•Working of diesel engine

DIESEL ENGINE

• The engine was developed by German inventor Rudolf Diesel in 1893.• The engine works on the principle of diesel cycle• A diesel engine is an internal combustion engine.• It uses the heat of compression to initiate ignition to burn

the fuel that has been injected into the combustion chamber.

SOME COMPONENTS OF DIESEL ENGINE

• Cylinder Block• Gasket•Manifold: inlet and outlet• Turbocharger• Flywheel• Piston• Piston Rings

• Connecting Rod• Crankshaft• Camshaft• Fuel injector• Valves

CYLINDER BLOCK

• It is the basic structure of an engine.• Normally made of ALUMINUM

ALLOYS or CAST IRON.• Provides Strength with relatively

simple design.• Supports and aligns internal

parts.

GASKETS

• It serve as a sealant between engine block and head where they bolted together.

INLET MANIFOLD

• Piping system which delivers incoming air to the cylinder.• They made up of cast metal,

plastic or composite materials.• In SI engine fuel added to

the air in intake manifold

OUTLET MANIFOLD

• Piping system which carry exhaust gases away from the system.•Made up of CAST IRON.

TURBO CHARGER

• Turbine compressor used to compress incoming air into the engine.• The turbine is powered by

the exhaust flow of the engine so it take very little useful work from engine.

FLYWHEEL

• To store the energy , provide energy when it is needed and store.• firmly bolted to the hub of

the crankshaft

PISTON

• A cylindrical-shaped mass that reciprocate back and forth in the cylinder transmitting force to the crankshaft.• The top of the piston is

called CROWN and the sides are called SKIRT.• PISTON is made up of cast

iron, steel or aluminum.

PISTON RINGS

•Metal ring that fixed into a circumferential grooves around the piston.•Made up of highly polished

chromed steel• It make a seal between

piston and cylinder walls.• It also used for lubrication

purpose.

CONNECTING ROD

• Rod connecting the piston with rotating crankshaft.• Provided the contact from

piston to the crankshaft. • Usually made of STEEL or

ALLOY FORGED but in small engine it can be made of ALUMINUM.

CRANKSHAFT

• Rotating shaft through which engine’s work output supply to the system.•Mostly they made of forged

steel or cast iron.• It is attached with the engine

block by MAIN BEARING.• Having crank weights

attached with crankshaft

CAMSHAFT

• Rotating shaft used to push the valves at proper timing in engine cycle. • Can be control Hydraulically

or Mechanically.•Modern engine have more

than two cams

FUEL INJECTOR

• A pressurized nozzle which spray the fuel into the incoming air on SI engine.• Injector directly spray at the

combustion chamber.• It is placed at the Centre of

the combustion chamber.

VALVES

• Used to allow the flow into and out of the cylinder at proper time in the cycle .• VALVES are made of forged

steel.• Two stroke engine do not

have valves they have ports system (slot).

WORKING OF DIESEL ENGINE

THANK YOU