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Turbocharger with catalytic coating

A technology of catalyst coating and turbocharger, which is applied in the field of compressors and can solve problems such as the reduction of compressor efficiency

Inactive Publication Date: 2009-07-22
ABB RES LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the efficiency of the compressor can be reduced by several percentages in a short period of time

Method used

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  • Turbocharger with catalytic coating

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Embodiment Construction

[0015] The invention will be described below using the example of a turbocharger comprising a compressor 1 with a compressor wheel 3 and an air inlet housing 2 .

[0016] attached picture A section along the mechanical axis of the turbocharger shows a compressor profile of the turbocharger with compressor 1 . The compressor 1 has an air inlet casing 2 mounted on a shaft ( picture The compressor wheel 3 with the moving blades 31 and the hub 32 and the diffuser 4 on (not shown in). The turbine wheel is also mounted on the shaft ( picture not shown in ). The air inlet housing 2 has a housing inner side 21 which faces the medium to be compressed and along which the medium to be compressed flows. The fluid channel 5 is delimited outwardly by the housing inner side 21 of the air inlet housing 2 and inwardly by the hub 32 of the compressor wheel 3 . The flow direction of the medium 6 to be compressed is along the fluid channel 5 from the opening of the inlet housing to the diffu...

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Abstract

A turbo machine having a rotor and a stator is at least partially provided on a flow-guiding part with a catalytic coating. The catalytic coating (7, 7') comprises at least one oxide of a transition metal or an oxide of a mixture of transition metals, wherein the transition metals are elements from groups I B, in particular Cu, Ag, Ag, II B, in particular Zn, Cd, Hg, III B, in particular Sc, Y, IV B, in particular Ti, Zr, Hf, V B, in particular V, Nb, Ta, VI B, in particular Cr, Mo, W, VII B, in particular Mn, Tc, Re and / or VIII B, in particular Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt.

Description

technical field [0001] The invention relates to a compressor according to the preamble of patent claim 1, to a turbocharger with such a compressor according to the preamble of patent claim 9 and to a turbocharger according to the preamble of patent claim 10 for A method of manufacturing a compressor. Background technique [0002] Exhaust gas turbochargers are currently widely used to increase the efficiency of internal combustion engines. The exhaust gas turbine of the turbocharger feeds the exhaust gas from the internal combustion engine, and its kinetic energy is used to suck and compress the air of the internal combustion engine. Compression increases the temperature and pressure of the air. As a result, temperatures of 180° C. or higher can occur on the guide vanes of the diffuser and on the diffuser wall. [0003] The intake of dirty air can cause the deposition of pollutants on the side of the inlet casing facing the medium to be compressed, on the compressor wheel ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D25/00F02C6/12F01D5/28F04D25/04F02B37/00F02B39/00
CPCF01D5/286F04D29/4206F01N2510/00F01D25/002F02B39/16F02C6/12F04D29/023F02B39/00F05D2220/40F05B2220/40F05D2300/21F05D2300/611F05D2230/311F01D25/00F01D5/28F02B37/00
Inventor 亨宁·富尔曼马丁·蒂勒托马索·奥莱塔
Owner ABB RES LTD
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