These gases are too hot to introduce directly into the intake, so they pass through a cooler on the way to the valve. These coolers pass the exhaust through a chamber full of piping connected to the engine’s cooling system. What Problems Can I Expect from My Engine’s EGR Valve?On ...
When the pressure of the compression turbine is too high, the pressure will push the trigger to open the valve of the exhaust gas turbine, reducing the air pressure, to prevent over pressurization. The support of turbine wheel shaft is the bearing inside t...
These various effects of EGR on inlet gas conditions at inlet valve closure (IVC) (temperature, heat capacity, etc.) and on the overall combustion process make the understanding of EGR particularly difficult. However, only few studies try to isolate these various effects. Ladommatos et al. [...
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BorgWarner emissions EGR 博格华纳排放系统 Less emissions More driving pleasure
The EGR valve works like a waste-gate, reducing the turbocharger speed, the boost pressure, and the gas flow rate through the intake valve. For all the analyzed operating conditions with EGR, the air to fuel ratio was found higher than the correspondent value at full load. This fact ...
When the engine throttle valve is closed or very nearly closed, the induction vacuum assumes a level whereat the flow of exhaust gas through the EGR conduit can be induced to assume a sonic level and
the intake valve110is rotatably equipped in the inlet housing20and is variable in rotational position to control an opening area of the inlet inner passage22A. The intake valve110is rotatable between a full close position to close the inlet inner passage22A entirely and a full open position to...
valve needle member 99 which is threaded therein. Extending radially through the hollow plunger 86, adjacent and above the top face of the spring support member 85, is a liquid escape channel 100 in the form of a circular bore. The lower end of the valve needle 99 is conical so that, ...
the irrotational flow vortex form, as a flow mode, is extremely stable, and is representative of the flow inside a properly designed vortex mixer over its full operating range. This irrotational flow pattern is a high Reynolds number, high inertia flow pattern which is stable from sizes small ...