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Supercharger device with variable geometry turbine

一种增压器、几何的技术，应用在机械设备、燃气轮机装置、机器/发动机等方向，达到优化调整、优化影响流动、加快响应行为的效果

Active Publication Date: 2020-05-08
BMTS TECH SHANGHAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conversely, in the case of a shutdown characteristic, the mass flow is reduced to such an extent that the engine is throttled to such an intensity that a service failure occurs

Method used

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  • Supercharger device with variable geometry turbine
  • Supercharger device with variable geometry turbine
  • Supercharger device with variable geometry turbine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] corresponds to figure 1 , the supercharger device 1 according to the invention, for example in a motor vehicle, can be in the form of an exhaust-gas turbocharger, which supercharger device 1 has a variable geometry turbine 2, has a blade bearing ring 3, and has a rotatable The guide vanes 4 are installed in the vane bearing ring 3. The guide vanes 4 are additionally shown in figure 2 , again shown in image 3 in the detail drawing. With regard to the guide vane 4 it can be seen that it has a top side 7 extending in a convex form from the profile nose 5 to the profile end 6 . Concave groove 9 (see especially also figure 2 with image 3 ) is arranged on the underside 8 of the guide vane 4 at the profile nose 6 . Here too, the bottom side 8 extends in concave form from the concave groove 9 to the profile end 6 , wherein the radius of curvature of the bottom side 8 is greater than the radius of curvature R of the groove 9 .

[0022] Here, the radius of curvature R ...

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PUM

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Abstract

The invention relates to a supercharger arrangement (1) with a variable geometry turbine (2), in particular an exhaust-gas turbocharger for a motor vehicle, having guide vanes (4) which are rotatably Fitted in the blade bearing ring (3) and has a top side (7) extending in a convex form from the profile nose (5) to the profile end (6). What is essential for the invention here is that the concave groove (9) is arranged on the bottom side (8) of the guide vane (4) at the profile nose (5). In this way, in particular an improved response behavior can be achieved.

Description

technical field [0001] The invention relates to a supercharger arrangement with a variable geometry turbine, in particular an exhaust-gas turbocharger for a motor vehicle, as stated in the preamble of claim 1 . The invention also relates to a guide vane for a supercharger arrangement of the stated type. Background technique [0002] EP1797283B1 has disclosed a general supercharger arrangement with a variable geometry turbine having guide vanes rotatably mounted in a vane bearing ring, wherein the guide vanes have a shape extending from the profile nose to the profile in a convex manner surface of the end. [0003] DE 10 2009 006 209 A1 already discloses another supercharger arrangement with a variable geometry turbine, in particular an exhaust-gas turbocharger for a motor vehicle. By means of corresponding wave-shaped guide vanes in the form of a dovetail profile, it can be used to allow gas to enter in parallel into the flow duct, the flow duct being delimited in each cas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01D17/14F02C6/12F01D9/02
CPCF01D9/02F01D17/148F02C6/12F05D2240/123F01D5/141F01D17/165F05D2220/40F05D2240/121F01D9/041F01D17/16F02B37/24
Inventor M·Sc·罗曼·波尔托拉茨基弗洛里安·伦茨茵·鲁迪格·施韦格尔谢诺尔·瑟于特茵·迪克·瑙恩海姆海因茨·贝恩德·海塞尔约亨·劳本德尔
Owner BMTS TECH SHANGHAI CO LTD
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