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Encyclopedia > Turbo Direct Injection
Turbo Direct Injection - Wikipedia, the free encyclopedia

Turbo Direct Injection

From Wikipedia, the free encyclopedia that anyone can edit.

Volkswagen's Turbo Direct Injection (TDI) is a turbocharged and intercooled diesel engine with direct fuel injection. Volkswagen (VW) is an automobile manufacturer based in Wolfsburg, Germany. ... Turbocharger Cut-away A turbocharger is a device used in internal-combustion engines to increase the power output of the engine by increasing the mass of oxygen and fuel entering the engine. ... For the Australian rock group, see Intercooler_(band). ... The diesel engine is a type of internal combustion engine; more specifically, it is a compression ignition engine, in which the fuel is ignited by being suddenly exposed to the high temperature and pressure of a compressed gas containing oxygen (usually atmospheric air), rather than a separate source of ignition... Cover of Popular Hot Rodding magazine, showing racing fuel injection system on V8 engine in the late 1960s Fuel injection is a technology used in internal combustion engines to mix the fuel with air prior to combustion. ...


Direct injection diesel engines operate by having the fuel injector arranged to inject fuel directly into the engine's cylinder, as opposed to indirect injection diesel engines, where the fuel is injected into a pre-combustion chamber. The reduced material volume of the direct injection diesel engine reduces heat losses and thereby increases engine efficiency, at the expense of increased combustion noise. A direct injection engine is also easier to start when cold, due to the reduced heat loss of the design. This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... The diesel engine is a type of internal combustion engine; more specifically, a compression ignition engine, in which the fuel is ignited by the high temperature of a compressed gas, rather than a separate source of energy (such as a spark plug). ... Fuel injection is a technology used in internal combustion engines to mix the fuel with air prior to combustion. ... In an internal combustion engine, the term indirect injection refers to a fuel injection method which does not inject fuel directly into the combustion chamber. ... This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... Efficiency is the capability of acting or producing effectively with a minimum of waste, expense, or unnecessary effort. ...


See also

This page lists automobile engines that Volkswagen has used. ...

External links

  • TDI fan club
  • Turbo Direct Injection FAQ
  • General Biodiesel information
  • Turbo Direct Injection or TDI for short
  • The New Turbo Direct Injection Diesel Engine

  Results from FactBites:
 
TDI FAQ (5538 words)
Turbo lag with the VW TDI engine is on the order of 0.25 second, which is not noticeable to the driver.
Injection timing is varied by rotating the cam profile that the plunger is pressed against; this is done by a small hydraulic cylinder controlled by a solenoid valve located on the bottom of the injection pump housing.
Within the distributor-type injection pump is a small electric motor which positions the fuel cutoff sleeve around the injection plunger; this changes the effective stroke of the plunger and thus varies the amount of fuel being injected.
Turbocharged Direct Injection - Wikipedia, the free encyclopedia (802 words)
Turbo Direct Injection ('TDI) is the technology used for modern Diesel engines produced by Volkswagen Group, and is widely used in passenger cars produced by the company (especially those sold in Europe).
The engine uses direct injection where a fuel injector sprays directly into the engine cylinder rather than the pre-combustion chamber prevalent in older diesels which used indirect injection.
The reduced material volume of the direct injection diesel engine reduces heat losses and thereby increases engine efficiency, at the expense of increased combustion noise.
  More results at FactBites »


 
 

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