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Impeller for an exhaust gas turbocharger, exhaust gas turbocharger and method for balancing a rotor wheel of an exhaust gas turbocharger

A technology of exhaust gas turbine and supercharger, which is applied to the impeller of exhaust gas turbocharger to achieve the effect of increasing durability and continuous load capacity

Inactive Publication Date: 2021-09-17
IHI CHARGING SYST INT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

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Method used

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  • Impeller for an exhaust gas turbocharger, exhaust gas turbocharger and method for balancing a rotor wheel of an exhaust gas turbocharger
  • Impeller for an exhaust gas turbocharger, exhaust gas turbocharger and method for balancing a rotor wheel of an exhaust gas turbocharger

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Embodiment Construction

[0018] The impeller 1 for the impeller 2 of the exhaust gas turbocharger 3 according to the prior art according to figure 1 constitute. The impeller 1 is designed in the form of a compressor wheel. The impeller 2 comprises a compressor wheel 1 and a turbine wheel (not shown in detail), which is connected to the compressor wheel 1 in a rotationally fixed manner via a shaft (not shown in detail).

[0019] The impeller 2 is mounted rotatably about a rotational axis 4 of the impeller 2 in a bearing section (not shown in detail) of the exhaust gas turbocharger 3 . The turbine is accommodated rotatably in a not-shown exhaust gas guide section of the exhaust gas turbocharger 3 , which can flow through. Via an inlet channel (not shown in detail) of the exhaust gas conduction section, the turbine is acted upon and rotated with exhaust gas from an internal combustion engine (not shown in detail), which is flow-through-connected to the exhaust gas turbocharger 3 .

[0020] Due to the ...

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Abstract

The invention relates to an impeller for an exhaust gas turbocharger, wherein the impeller (1) is mounted in a housing of the exhaust gas turbocharger (3) rotatably about an axis of rotation (4), and wherein the impeller ( 1) Having a hub (6) with a wheel back (7) and a wheel end facing away from said wheel back (7), and wherein on the wheel hub (6) a plurality of impeller blades (5) are arranged on the wheel back (7) is formed in a manner extending between the wheel end face, and wherein it is formed between the first blade (8) in the plurality of impeller blades (5) and the second blade (9) in the plurality of impeller blades (5) A balance mark (12) is provided in the vane channel (10), wherein the second vane is arranged adjacent to the first vane (8), wherein according to the present invention, the width (B) of the balance mark (12) Less than the length (L) of the balance mark (12). Furthermore, the invention relates to an exhaust gas turbocharger having such an identical impeller and to a method for balancing an impeller of such an exhaust gas turbocharger.

Description

technical field [0001] The invention relates to an impeller for an exhaust gas turbocharger, an exhaust gas turbocharger and a method for balancing a rotor wheel of an exhaust gas turbocharger. The impeller is mounted rotatably about an axis of rotation in the housing of the exhaust gas turbocharger, and wherein the impeller has a hub with a wheel back and a wheel end facing away from the wheel back, And wherein a plurality of impeller blades on the hub are configured to extend between the wheel back surface and the wheel end surface, and wherein the first blade of the plurality of impeller blades and the second of the plurality of impeller blades A balance mark is provided in a blade channel formed between the blades, wherein the second blade is arranged adjacent to the first blade. The exhaust gas turbocharger has an impeller mounted rotatably in a housing of the exhaust gas turbocharger, the impeller comprising a shaft and at least one impeller connected in a rotationally ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01D5/02F04D29/66G01M1/34
CPCF01D5/027F02C6/12F04D29/284F04D29/662F05D2220/40F05D2250/193F05D2250/70G01M1/34
Inventor 戴安娜·福伊斯特尔英戈·策林格托尔斯滕·格拉姆施马丁·克雷谢尔
Owner IHI CHARGING SYST INT