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Exhaust-gas conducting section for a turbine and method for controlling a turbine

An exhaust gas guiding, turbine impeller technology, applied in the exhaust gas guiding section for turbines and in the field of regulating turbines, can solve problems such as limited functional and cost requirements, achieve injector effects, increase pressure drop, Improves the effect of injector effects

Inactive Publication Date: 2015-08-26
IHI CHARGING SYST INT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Of course, the known systems are limited due to the significantly higher exhaust gas temperatures that occur in combustion systems of gasoline engines and the associated requirements in terms of functionality and costs.

Method used

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  • Exhaust-gas conducting section for a turbine and method for controlling a turbine
  • Exhaust-gas conducting section for a turbine and method for controlling a turbine

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Embodiment Construction

[0031] The basis of the turbine 2, in particular the turbine of the exhaust gas turbocharger figure 1 The formed flow-through exhaust gas ducting section 1 according to the invention comprises a throughflow channel 3 for exhaust gas, in particular via an internal combustion engine, to flow completely through the exhaust gas ducting section 1 . The throughflow channel 3 has an inflow section 4 for the flow of fluid into the exhaust gas conduction section 1 , and an outflow section 5 provided for the flow of fluid from the exhaust gas conduction channel 1 . Outflow. An impeller space 6 is formed in the exhaust gas guide section 1 between the inflow section 4 and the outflow section 5 . A turbine wheel 7 is rotatably accommodated in the wheel space 6 .

[0032] The turbine wheel 7 , which is designed with a hub 8 and a plurality of rotor blades 9 fastened to the hub, has a so-called wheel inflow 10 and a so-called wheel outflow 11 . The impeller inflow 10 is formed on the oute...

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PUM

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Abstract

In an exhaust gas turbine with a guide section for the exhaust gas turbine comprising a flow-through duct for conducting exhaust gas through the exhaust gas guide section, wherein the flow-through duct includes a wheel chamber in which a turbine wheel is rotatably supported and wherein, downstream of the wheel chamber, the flow-through duct has an outlet portion and upstream of the wheel chamber, the flow-through duct has an inlet portion with a bypass duct being formed in the exhaust gas guide section for by-passing the wheel chamber, the by-pass duct forms an annular opening adjacent the turbine wheel for directing by-pass exhaust gas into the exhaust gas outlet portion in an annular flow pattern along the outlet portion duct wall.

Description

technical field [0001] The invention relates to an exhaust gas guide section for a turbomachine of the type specified in the preamble of claim 1 and to a control section for a turbomachine of the type specified in the preamble of claim 13 method. Background technique [0002] In order to supercharge the internal combustion engine with the exhaust gas turbocharger, diesel combustion engines were generally reserved in the past. A combustion engine with a combustion system of a gasoline engine is only provided with a supercharging device to a limited extent. The reason for this is that the combustion consumption of a diesel engine can be significantly influenced by supercharging, whereas this cannot be achieved in the combustion of a gasoline engine due to the necessary combustion air ratio located in the confined space. [0003] Today, however, the goal is to reduce the engine displacement of internal combustion engines in order to achieve, inter alia, future CO 2 target va...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D17/10
CPCF01D17/105F02B37/183F02C6/12F05D2260/60F05D2220/40
Inventor 扬·埃哈德迪特马尔·菲尔辛格曼弗雷德·古特赫勒彼得·弗莱德斯巴赫尔
Owner IHI CHARGING SYST INT