Low-pressure EGR system with turbo bypass
AssigneeTenneco Inc.
InventorsPhilipp Kreutziger, Michael Fischer, Jaroslaw Kierat
Life of this patent
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AssigneeTenneco Inc.
InventorsPhilipp Kreutziger, Michael Fischer, Jaroslaw Kierat
Estimating the term…
The disclosure relates to a gasoline engine comprising an exhaust gas line which can be connected to an exhaust manifold of the gasoline engine, an intake line which can be connected to an intake manifold of the gasoline engine, a charge air compressor which is arranged in the intake line, and a turbine which is arranged in the exhaust gas line. The exhaust gas line has at least one bypass line with a bypass throttle valve, said line branching off from the exhaust gas line at a branch upstream of the turbine and branching back into the exhaust gas line at an opening downstream of the turbine. At least one exhaust gas recirculation line with an EGR throttle valve is provided, said line branching off from the exhaust gas line at a branch and opening into the intake line at an opening, wherein a coupling line with a first node point and a second node point is provided, the bypass line and the EGR line being combined in some sections in said coupling line; at least one particle filter is arranged in the coupling line; and the first node point is arranged downstream of the branch and downstream of the branch.
An exhaust gas conduction system for a gasoline engine comprising an exhaust gas line which can be connected to an exhaust manifold of the gasoline engine, an intake line which can be connected to an intake manifold of the gasoline engine, a charge air compressor, which is arranged in the intake line, and a turbine, which is arranged in the exhaust gas line, wherein the exhaust gas line has a bypass line with a bypass throttle valve, said bypass line branching off at a branch and branching back into the exhaust gas line at an opening, and wherein an exhaust gas recirculation line with an EGR throttle valve is provided, said recirculation line branching off from the exhaust gas line at a branch and opening into the intake line at an opening, wherein a coupling line with a first node point and a downstream second node point is provided, the bypass line and the EGR line being combined in some sections in said coupling line, wherein a particle filter is arranged in the coupling line, wherein the bypass line additionally has a bypass valve, which is positioned downstream of the first node point and upstream of the opening of the bypass line, wherein said bypass line branching off from the exhaust gas line upstream of the turbine wherein the first node point is positioned downstream of the branch of the exhaust gas recirculation line and downstream of the branch of the bypass line and in that the bypass throttle valve is positioned upstream of the first node point wherein an exhaust gas valve is provided in the exhaust gas line downstream of the branch of the exhaust gas recirculation line and upstream of the opening of the bypass line.
Dependencies are inferred from the claim text.