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The goal of EGR is thus to reduce NO x production by reducing the combustion temperatures. In modern diesel engines, the EGR gas is usually cooled with a heat exchanger to allow the introduction of a greater mass of recirculated gas. However, uncooled EGR designs do exist; these are often referred to as hot-gas recirculation (HGR).
Number of cylinders, Engine displacement (in litres), Engine configuration, and; Rated motive power output (in kilowatts). The petrol engines which Volkswagen Group previously manufactured and installed are in the list of discontinued Volkswagen Group petrol engines article.
Audi AG. 8 April 2004. Archived from the original on 29 July 2013 "KS Aluminium-Technologie: engine blocks for the new Audi A6". Rheinmetall.de. Rheinmetall AG. August 2004. Archived from the original on 5 October 2012 "ALUSIL – Cylinder Blocks for the new Audi V6 and V8 SI engines" (PDF). KSPG-AG.com.
It is a family of 3-cylinder and 4-cylinder diesel engines featuring modular diesel engine system (MDB (Modularer Diesel Motor Baukasten)), [3] [4] [5] with dual-loop EGR system, with high pressure EGR and a cooled low-pressure EGR loops; variable valve train (VVT) with a camshaft adjuster, Bosch CRS 2-20 2000 bar common rail injection system ...
Bosch CP3 high-pressure pump is used driven by the timing belt. Max rail pressure is 1350bar. Watercooled return line fuel cooler with an additional cooling pump (runs all the time) and side-mounted radiator and air-cooled return line cooler mounted on the bottom of the car. six-hole solenoid injection nozzles, CR electronic injection control.
Water Injection and cooled exhaust gas recirculation (EGR) could be seen as competitive technologies: it has been demonstrated that at medium load a 40-50 % Water-to-Fuel Ratio (WFR) with Port Water Injection (PWI) has the same effect as an EGR-rate of 10%, which is seen as relatively limited even for petrol engines. [15]
Several recalls were issued this year for BMW of North America, LLC (BMW) vehicles. The recall report data is from Jan. 1, 2024, to Dec. 27, 2024. The U.S. Department of Transportation (DOT ...
The A5 DTM was still fitted with a V8 engine that used in a previous Audi A4 DTM and Abt-Audi TT DTM were built jointly by Audi and Neil Brown Engineering (NBE) rated at 460 hp (343 kW) and coupled to a 6-speed transmission grafted from the previous A4 DTM car, while using a Bosch MS 5.1 ECU.
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