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How a Turbocharger works?
Holset Product Training How A Turbocharger Works <ul><li>How does a turbocharger work ? </li></ul><ul><li>The Turbine End ...
Holset Product Training How A Turbocharger Works <ul><li>The turbine housing is bolted </li></ul><ul><li>to the exhaust ma...
Holset Product Training How A Turbocharger Works <ul><li>Rotating the turbine wheel is  </li></ul><ul><li>the only use for...
Holset Product Training How A Turbocharger Works <ul><li>As more gas passed through </li></ul><ul><li>the turbine housing,...
Holset Product Training How A Turbocharger Works <ul><li>As the air is sucked into the  </li></ul><ul><li>compressor cover...
Holset Product Training How A Turbocharger Works <ul><li>Front Wheel Clearance affects the  </li></ul><ul><li>performance ...
Holset Product Training How A Turbocharger Works <ul><li>The oil used in a turbocharger is  </li></ul><ul><li>the same as ...
Holset Product Training How A Turbocharger Works <ul><li>The Journal Bearings are a free </li></ul><ul><li>floating rotati...
Holset Product Training How A Turbocharger Works <ul><li>Piston Ring Seals, can be found </li></ul><ul><li>at both ends of...
Holset Product Training How A Turbocharger Works <ul><li>Summary </li></ul><ul><li>What is the function of the </li></ul><...
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How A Turbo Charger Works

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Transcript of "How A Turbo Charger Works"

  1. 1. How a Turbocharger works?
  2. 2. Holset Product Training How A Turbocharger Works <ul><li>How does a turbocharger work ? </li></ul><ul><li>The Turbine End </li></ul><ul><li>The Compressor End </li></ul><ul><li>The Oil Supply </li></ul><ul><li>The Piston Ring Seals </li></ul><ul><li>Summary </li></ul>
  3. 3. Holset Product Training How A Turbocharger Works <ul><li>The turbine housing is bolted </li></ul><ul><li>to the exhaust manifold of the </li></ul><ul><li>engine. </li></ul><ul><li>The waste exhaust gasses are </li></ul><ul><li>used to rotate a turbine wheel </li></ul><ul><li>which is housed in the turbine </li></ul><ul><li>casing. </li></ul><ul><li>The turbine wheel is connected </li></ul><ul><li>to a common shaft which in turn </li></ul><ul><li>rotates a compressor wheel. </li></ul>
  4. 4. Holset Product Training How A Turbocharger Works <ul><li>Rotating the turbine wheel is </li></ul><ul><li>the only use for the waste </li></ul><ul><li>exhaust gas. </li></ul><ul><li>Once the gas has passed </li></ul><ul><li>through the blades of the wheel </li></ul><ul><li>it leaves the turbine housing </li></ul><ul><li>via the exhaust outlet area. </li></ul>
  5. 5. Holset Product Training How A Turbocharger Works <ul><li>As more gas passed through </li></ul><ul><li>the turbine housing, the faster </li></ul><ul><li>the turbine wheel rotates. </li></ul><ul><li>As the turbine wheel increases in </li></ul><ul><li>speed, so does the compressor </li></ul><ul><li>wheel. This creates a sucking </li></ul><ul><li>process and pulls air into the </li></ul><ul><li>compressor cover from the </li></ul><ul><li>atmosphere (filtered) </li></ul><ul><li>The faster the wheels spin the, </li></ul><ul><li>the more air is sucked in. </li></ul>
  6. 6. Holset Product Training How A Turbocharger Works <ul><li>As the air is sucked into the </li></ul><ul><li>compressor cover, it is forced </li></ul><ul><li>through a diffuser area. </li></ul><ul><li>This compressors the air and </li></ul><ul><li>forces it into the engine </li></ul><ul><li>This process causes the air to </li></ul><ul><li>increase in temperature, </li></ul><ul><li>sometimes up to 200 degrees C </li></ul>
  7. 7. Holset Product Training How A Turbocharger Works <ul><li>Front Wheel Clearance affects the </li></ul><ul><li>performance of the turbo. </li></ul><ul><li>The smaller the FWC the better </li></ul><ul><li>the performance. </li></ul><ul><li>The Compressor Wheel Bore must </li></ul><ul><li>be machined to tolerance / drawing. </li></ul><ul><li>Over sized bore will affect the balance </li></ul><ul><li>of the turbocharger. </li></ul>Compressor Wheel Profile Compressor Cover Profile. Compressor Wheel Bore F W C
  8. 8. Holset Product Training How A Turbocharger Works <ul><li>The oil used in a turbocharger is </li></ul><ul><li>the same as that used for your </li></ul><ul><li>engine. </li></ul><ul><li>The oil is used as both a lubricant </li></ul><ul><li>and a coolant. </li></ul><ul><li>It is fed under pressure into the </li></ul><ul><li>bearing housing, through to the </li></ul><ul><li>journal bearings and thrust </li></ul><ul><li>system. </li></ul>
  9. 9. Holset Product Training How A Turbocharger Works <ul><li>The Journal Bearings are a free </li></ul><ul><li>floating rotational type. </li></ul><ul><li>To perform correctly, the journal </li></ul><ul><li>bearings should float between a film </li></ul><ul><li>of oil (i.e. between bearing & shaft, </li></ul><ul><li>& bearing & bearing housing.) </li></ul><ul><li>Dirty oil, or blockages in the oil </li></ul><ul><li>supply holes can cause serious </li></ul><ul><li>damage to the turbocharger. </li></ul>
  10. 10. Holset Product Training How A Turbocharger Works <ul><li>Piston Ring Seals, can be found </li></ul><ul><li>at both ends of the turbocharger </li></ul><ul><li>They are designed to keep the </li></ul><ul><li>exhaust pressure out of the </li></ul><ul><li>bearing housing, and the air </li></ul><ul><li>pressure out of the bearing </li></ul><ul><li>housing. </li></ul><ul><li>The surface finish on both </li></ul><ul><li>Turbine & Compressor end bore </li></ul><ul><li>must be smooth and score free. </li></ul>
  11. 11. Holset Product Training How A Turbocharger Works <ul><li>Summary </li></ul><ul><li>What is the function of the </li></ul><ul><li>Turbine Housing ? </li></ul><ul><li>What is the function of the </li></ul><ul><li>Compressor Housing ? </li></ul><ul><li>What is the function of the </li></ul><ul><li>oil in the turbocharger ? </li></ul>
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