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stator

A stator and stator tooth technology, applied in the manufacture of stators for medium gap machines, compressors or turbines, exhaust gas turbochargers, stators of compressors or turbines, can solve low efficiency, weaken the magnetic field of rotors and stators, etc. problem, to achieve the effect of improved stability, good magnetic characteristics, corrosion resistance and wear performance

Active Publication Date: 2022-03-25
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a disadvantage of such conventional media gap machines is that the magnetic field acting between rotor and stator is weakened due to the large air gap and therefore particularly strong magnets are required
As a result, the efficiency in this traditional media gap machine is low

Method used

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Embodiment Construction

[0026] figure 1 The exhaust gas turbocharger 1 with the compressor 2 and the turbine 3 is shown in simplified longitudinal section. The compressor 2 has, in particular, a first impeller, in particular a compressor impeller 4 , which is arranged on the shaft 5 in a rotationally fixed manner. The shaft 5 itself is rotatably mounted in the housing 6 of the exhaust gas turbocharger 1 . Furthermore, on the end of the shaft 5 facing away from the compressor wheel 4 , a second wheel, in this case the turbine wheel 7 of the turbine 3 , is connected to the shaft 5 in a rotationally fixed manner. When the exhaust gas of the internal combustion engine flows to the turbine wheel 7 and thereby drives it, the compressor wheel 4 is thus also brought into a rotational movement, so that the fresh air supplied to the compressor wheel 4 is compressed and is delivered to the internal combustion engine.

[0027] The rotatable support of the shaft 5 in the housing 6 can be achieved in different ...

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Abstract

The invention relates to a stator (12) for a media gap machine (10), in particular for a compressor (2) or a turbine (3), which has an annular stator yoke (14) and has a plurality of The stator yoke (14) has stator teeth (15) extending radially inwardly in the direction of the longitudinal central axis of the media gap machine (10). Provision is made for at least one of the stator teeth ( 15 ) to be produced at least partially from a powder metallurgy iron-, cobalt- and / or nickel-based material.

Description

technical field [0001] The invention relates to a stator for a medium gap machine, in particular for a compressor or a turbine, having an annular stator yoke and a plurality of longitudinal center axes extending radially inward from the stator yoke along the medium gap machine Extended stator teeth. [0002] Furthermore, the invention relates to a medium gap machine, in particular for compressors and / or turbines, having a stator and a rotor supported on a shaft rotatable about a longitudinal central axis. [0003] Furthermore, the invention relates to a compressor or turbine having a housing in which the impeller is arranged on a rotatably supported shaft and having a The shaft acts to connect the medium gap machine. [0004] Furthermore, the invention relates to an exhaust gas turbocharger having a compressor and a turbine. [0005] Finally, the invention relates to a method for producing a stator for a media gap machine, the stator having an annular stator yoke and a plur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02B39/10F04D13/06H02K1/14
CPCF02B39/10F04D13/06H02K1/146F05D2220/40F05D2220/76H02K1/02H02K1/14F04D25/0606F04D29/4213
Inventor T.弗吕许茨J.布格豪斯M.博伊尔勒
Owner ROBERT BOSCH GMBH