Internal Combustion Engine Parts Components and Terminology Explained

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Want to LEARN about engineering with videos like this one? Then visit: • https://courses.savree.com/ • Want to TEACH/INSTRUCT with the 3D models shown in this video? Then visit: • https://savree.com/en/teach-engineering • Want to TRAIN your workforce or employees using videos like this one? Then visit: • https://savree.com/en/enterprise-engi... • And don't forget to sign-up to our newsletter for free engineering Handbooks, Videos, and Courses. • https://courses.savree.com/pages/emai... • ****************************************************************** • Learn all of an internal combustion (IC) engine’s main parts and components, as well as the terminology and nomenclature associated with these engines (four and two stroke)! • Like this video? Then check out our other videos! • 🚢 Marine Diesel Two Stroke Engine - How it Works! - • Marine Diesel Two Stroke Engine - How... • 🚢 Ship Parts and Terminology Explained! - • Ship Parts and Terminology Explained!... • ⚙️How Deaerators Work! - • How Deaerators Work (Engineering) • ⚙️How Shell and Tube Heat Exchangers Work! - • How Shell and Tube Heat Exchangers Wo... • ⚙️How Power Grids Work! - • The Electrical Grid and Electricity S... • ⚙️How Watertube Boilers Work! - • The Electrical Grid and Electricity S... • ⚙️How Dams Work (Hydro Dams)! - • How Dams Work (Hydro Dams) • 💡Control Valve Types (Gate Valve, Globe Valve etc.)! - • How Shell and Tube Heat Exchangers Wo... • 💡Transformer Parts and Functions! - • Transformer Parts and Functions • 💡Plate Heat Exchangers Explained! - • Video • 📚Want to learn more about engineering? • Then join saVRee to access over 45 hours of engineering video courses! New courses every month! • https://courses.savree.com/ • Hope to see you on a course soon! 👋 • 🏫Want to use the 3D model in this video to present, instruct, or teach? Simply join saVRee! We have over 400 engineering models that will make your life a lot easier! • https://savree.com/ • 📖You can learn more about engineering in our technical encyclopedia: https://savree.com/en/encyclopedia • ▶️Introduction • Piston internal combustion engines are also known as IC engines. IC engines are usually petrol/gasoline fired or diesel fired, but it is possible to use other fuels as well e.g. methane gas. • All of an engine's main parts are discussed in detail during the video. The engine shown in the video is a four-stroke diesel engine although it has similarities to a four-stroke petrol engine. Two stroke engines have a much simpler design, less parts, and thus they weigh less (with a correspondingly high power to weight ratio). • A four-stroke combustion engine consists of the following main parts: • Rocker Arm – presses down upon the valve bridge or valve stem. • Tappet Clearance – space between valve tip and rocker arm. • Valve Spring – returns valves to closed position when rocker arm not applying force. • Fuel Injector- injects fuel. • Fuel Inlet Pipe – transfers fuel to the fuel injector. • Suction Valve – allows air into the combustion space. • Exhaust Valve – allows exhaust gas to exit the combustion space. • Fuel Injector Nozzle – sprays atomised fuel into the combustion space. • Clearance Volume – the volume calculated between top dead centre and the top of the cylinder. • Swept Volume – the volume based upon the stroke of the piston and area of the cylinder bore. • Cylinder Volume – the total volume within the cylinder. • Cylinder Bore – the internal diameter of the cylinder. • Compression Ratio – a calculation based upon the volume ratios within the cylinder. Petrol/gasoline engines have a low compression ratio (6-9:1) whilst diesel engines have higher compression ratios (14-20:1). • Top Dead Centre (TDC) – a piston’s furthest point of transit towards the inlet and exhaust valves. • Pushrod (push rod) – transfers force from the cam lobe to the rocker arm. • Piston Crown – the top of the piston. • Piston Ring Grooves – where the piston rings locate within the piston. • Piston Rings - used to seal the space between the piston and cylinder liner. • Stroke – the distance the piston travels from bottom dead centre (BDC) to top dead centre (TDC). • Piston – the piston. • Piston Skirt – the piston skirt (may be short or long). • Piston Pin / Gudgeon Pin / Wrist Pin – the connection between the piston and connecting rod. • Cylinder Wall – the boundary of the combustion space (also sometimes called the cylinder liner). • Cylinder Liner – the internal surface of the cylinder. • Camshaft – used for controlling engine timing such as fuel injection and valve timing; driven by the crankshaft. • Cam / Cam Lobe – presses against the tappets to actuate the rocker arm(s). • Cam Follower – is pushed by the cam and transfers the movement to the push rod. • Bottom Dead Centre (BDC) – the closest point a piston reaches to the crankshaft. • Connecting Rod (Con Rod) – connects the piston to the crankshaft. • Crank Web – used to reduce vibration and balance the engine; part of the crankshaft. • Crankpin Bearing Journal – crankpin bearings are installed between the connecting rod and crankpin. • #saVRee_Nuggets, #saVRee

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