4 Cylinder Diesel Engine Assembly 4D102-2 For Excavator PC120-6 Metal Material

4D102 - 2 Diesel Engine Assembly For Excavator PC120 - 6 Water Cooling

Specification

Description

What is Engine? What are Types of Heat Engines?

Definition of Engine:

Any device which converts energy from one form to another is known as engine. Energy is in various forms like mechanical energy, chemical energy, wind energy, flow energy, electric energy, magnetic energy, sound energy, light energy etc.

Energy can be convert from one form to another (First law of Thermodynamic).

Any device which convert chemical energy of fuel into thermal energy and convert this thermal energy into mechanical energy, known as heat engine. All automobiles engines, gas turbine engines, steam turbine engines etc. are heat engine. We will focus only on heat engines on this website.

Basic Types of heat Engines:

Mainly there are two types of heat engines. The first one is known as Internal Combustion Engine (IC Engine) and the other one is known as External Combustion Engine (EC Engine).There engines are further classified into reciprocating engine and rotary engine.

Internal Combustion Engine:
An engine in which combustion of fuel (Burning of Fuel or converting of chemical energy of fuel into thermal energy) take place into a closed cylinder is known as internal combustion engine. All automobile engines are internal combustion engine. These engines have higher thermal efficiency low weight to power ratio.

These engines are further classified into Rotary Engine (Wankel engine) and Reciprocating Engine (Diesel and Petrol Engine).

Reciprocating internal combustion engines are used in automobiles, motor cycles, boat, slow speed aircraft etc.

Engine parts

Pushrod

Pushrod is used when the camshaft is situated at the bottom end of cylinder.
It carries the camshaft motion to the valves which are situated at the cylinder head.

Main Parts of an Internal Combustion Engine (pushrod)

Flywheel

A flywheel is secured on the crankshaft. The main function of flywheel is to rotate the shaft during preparatory stroke. It also makes crankshaft rotation more uniform.

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