Turbocharger turbine box with channel section two-section feature

A turbocharger and turbine box technology, which is applied in the direction of machines/engines, engine components, mechanical equipment, etc., can solve the problems of poor airflow in the turbine box, affecting the overall power of the engine, affecting the size of the turbine energy, etc. Overall power, excellent overall performance, the effect of increasing energy

Pending Publication Date: 2021-03-26
天津北方天力增压技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, due to the unreasonable structural design of the existing turbocharger turbine box, the flow performance of the airflow in the turbine box is poor, which affects the amount of energy finally obtained by the turbine, and the overall performance is poor, which ultimately affects the overall power of the engine.

Method used

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  • Turbocharger turbine box with channel section two-section feature
  • Turbocharger turbine box with channel section two-section feature
  • Turbocharger turbine box with channel section two-section feature

Examples

Experimental program
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Embodiment 1

[0082] In embodiment one, the two-stage structure of the turbine box passage is specifically: the passage structure of the large A / R value turning small A / R value (i.e. the first passage section 2 of the large A / R value, turning small A / R channel structure of the second channel segment 4 for the R value).

[0083] see image 3 As shown, select the original design of two channels (including the first channel section 2 and the second channel section 4) with different A / R values, where f 大 (0, A / R) and f 小 The A / R value of the (0, A / R) channel (that is, the channel segment with a large A / R value and the channel segment with a small A / R value) is 10-30% different;

[0084] For the present invention, see Figure 4 , Figure 5 As shown, the same first channel section 2 of the turbine selects a large A / R value, that is, f 大 Design parameter f of the first 135 degree channel of (0, A / R) 大 (θ, A / R), the second channel segment 4 selects a small A / R value, namely f 小 (0, A / R) rear...

Embodiment 2

[0089] In embodiment two, the two-stage structure of the turbine box passage is specifically: the passage structure of the small A / R value turning on the big A / R value (i.e. the first passage section 2 of the small A / R value, turning on the big A / R channel structure of the second channel segment 4 for the R value).

[0090] see image 3 As shown, select the original design of two channels (including the first channel section 2 and the second channel section 4) with different A / R values, where f 大 (0, A / R) and f 小 The A / R value of the (0, A / R) channel (that is, the channel segment with a large A / R value and the channel segment with a small A / R value) is 10-30% different;

[0091] For the present invention, see Figure 6 , Figure 7 As shown, the same first channel section 2 of the turbine selects a small A / R value, namely f 小 Design parameter f of the first 135 degree channel of (0, A / R) 小 (θ, A / R), the second channel section 4 selects a large A / R value, namely f 大 (0, A...

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Abstract

The invention discloses a turbocharger turbine box with a channel section two-section feature. The turbocharger turbine box comprises a turbine box inlet channel section, a first channel section, a mixed transition channel section and a second channel section. A turbine box air inlet is formed in the right end of the turbine box inlet channel section. A left end opening of the turbine box inlet channel section communicates with an upper end opening of the first channel section in a sealed manner. A lower end opening of the first channel section communicates with a left end opening of the mixedtransition channel section in a sealed manner. A right end opening of the mixed transition channel section communicates with a lower end opening of the second channel section in a sealed manner. An upper end opening of the second channel section communicates with an upper end opening of the first channel section in a sealed manner. The turbine box inlet channel section, the first channel section,the mixed transition channel section and the second channel section are all hollow and bent smooth continuous channel sections. The first channel section and the second channel section have differentA / R values. According to the turbocharger turbine box, the flowing feature of airflow in the turbine box is changed, and the flowing property of the airflow in the turbine box is enhanced.

Description

technical field [0001] The invention relates to the technical field of turbochargers, in particular to a turbocharger turbine case with a two-stage channel section. Background technique [0002] Turbocharger technology is a technology that utilizes the exhaust gas energy of the engine, specifically: the exhaust gas passes through the turbine box of the turbocharger to obtain high-speed and high-pressure flow of exhaust gas energy to drive the turbocharger turbine, the turbine obtains energy, and drives the turbocharger. The impeller of the connected compressor rotates at high speed, and the fresh air is compressed by the rotation of the compressor to form high-pressure and high-density air, which then enters the engine. Under the action of high-pressure and high-density air, the engine can burn fuel more fully and obtain more combustion energy , which ultimately increases the power of the engine. [0003] Among them, the turbo box where the exhaust gas of the engine first e...

Claims

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Application Information

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IPC IPC(8): F01D25/24
CPCF01D25/24F05D2220/40
Inventor 陈钢刘毅闫健菲张斌张卓沛冀翼
Owner 天津北方天力增压技术有限公司
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