CN104471210A - 一种废气涡轮增压器的压缩机叶轮 - Google Patents

一种废气涡轮增压器的压缩机叶轮 Download PDF

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CN104471210A
CN104471210A CN201380038439.7A CN201380038439A CN104471210A CN 104471210 A CN104471210 A CN 104471210A CN 201380038439 A CN201380038439 A CN 201380038439A CN 104471210 A CN104471210 A CN 104471210A
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compressor
compressor impeller
region
blade
exhaust
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CN201380038439.7A
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CN104471210B (zh
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A·赛库劳拉科
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BorgWarner Inc
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BorgWarner Inc
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/146—Shape, i.e. outer, aerodynamic form of blades with tandem configuration, split blades or slotted blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/004—Engines characterised by provision of pumps driven at least for part of the time by exhaust with exhaust drives arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
    • F02M26/07—Mixed pressure loops, i.e. wherein recirculated exhaust gas is either taken out upstream of the turbine and reintroduced upstream of the compressor, or is taken out downstream of the turbine and reintroduced downstream of the compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/013—Engines characterised by provision of pumps driven at least for part of the time by exhaust with exhaust-driven pumps arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/40—Application in turbochargers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Supercharger (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

本发明涉及一种废气涡轮增压器(6)的压缩机(6A)的压缩机叶轮(1)，该压缩机叶轮具有一个轮毂(2)；并且具有多个非凹入式叶片(3)，这些非凹入式叶片被安排在该轮毂(2)上并且它们在各自情形下均具有一个叶片导缘(3A)和一个叶片后缘(3B)，其中这些叶片导缘(3A)限定了一个入口区域(A1)，该入口区域是该压缩机叶轮(1)转动时这些叶片导缘(3A)扫过的区域，并且其中这些叶片后缘(3B)限定了一个出口区域(A2)，该出口区域是该压缩机叶轮(1)转动这些叶片后缘(3B)扫过的区域，其中该比率A2/A1＞60％。

Description

一种废气涡轮增压器的压缩机叶轮
本发明涉及一种如权利要求1的前序部分所述的废气涡轮增压器的压缩机的一种压缩机叶轮。
用于内燃发动机的一种所谓的两级增压器装置包括两个不同尺寸的、串连的涡轮增压器。此处，该较小的涡轮增压器是高压废气涡轮增压器，而该较大的废气涡轮增压器是低压废气涡轮增压器。
此类两级增压具有的优点在于，这两个分开的压缩机级都必须在各自情形下产生整个系统的总压力增量的一部分。
本发明的目的是提供一种废气涡轮增压器的压缩机的一种压缩机叶轮，其压缩机叶轮几何结构是优化的。
是通过权利要求1的特征来实现本目的。
所基于的事实是根据本发明的这种压缩机叶轮的入口区域与出口区域之间的比率是设置为大于60％的值的，于是就针对以上说明的这种两级增压系统的使用获得了特别有利的效果。但是，根据本发明的压缩机叶轮的用途并不是受限于两级增压系统的，因为也可以在单级系统中使用一个较小的压缩机压力比。
权利要求3将一种根据本发明的废气涡轮增压器限定为一种独立的、可销售的产品。
从参考附图的示例性实施例的以下说明中本发明的进一步细节、优点及特征地讲将变得明显，在这些附图中：
图1是一种两级增压系统的一个示意性展示，并且
图2是根据本发明的一种压缩机叶轮的透视展示。
图1是用于一种发动机M上的一种两级增压装置5的一个示意性展示，该发动机是通过它的这些汽缸之一以符号形式示出。两级增压装置5具有两个串连的废气涡轮增压器6和7。涡轮增压器6构成具有相关联的压缩机6A和相关联的涡轮机6B的该高压废气涡轮增压器。
该废气涡轮增压器6是具有相关联的压缩机6A和相关联的涡轮机6B的高压废气涡轮增压器。通过举例方式，根据本发明的压缩机叶轮1是所描述的高压压缩机6A的压缩机叶轮，并且在下文中将根据图2进行详细说明。
该压缩机叶轮1具有一个轮毂2。在该轮毂2上安排有多个非凹入式叶片，其中只通过参考编号3代表性地示出了所有叶片中的一个叶片。在该实例中，提供了六个这样的叶片3。在这些非凹入式叶片3之间安排有凹入式叶片4，也称为“分流叶片”。
图2示出了这些叶片3在各自情形下均具有一个导缘3A和一个后缘3B。此处，叶片导缘3A限定了一个入口区域A1，该入口区域是压缩机叶轮1转动时叶片导缘3A扫过的区域。如图2所示，所述入口区域A1垂直于该旋转轴线RA。
这些非凹入式叶片3的叶片后缘3B限定了一个出口区域A2，该区域是压缩机叶轮1转动时叶片后缘3B扫过的区域。这就产生了如图2所示的一个柱形表面，根据上述限定，该表面在该压缩机叶轮1的出口处构成了该“标准化的”叶片高度，该高度也可称为“尖端高度”，并且是独立于压缩机叶轮的尺寸和构型的。
根据本发明，比率A2/A1被配置为＞60％的值。
除过本发明的上述书面披露外，在此还针对本发明的额外披露而明确参考了图1和2中对本发明的图解展示。
参考符号清单
1   压缩机叶轮
2   轮毂
3   非凹入式叶片
4   凹入式叶片
5   两级增压装置
6   高压废气涡轮增压器
6A  高压压缩机
6B  高压涡轮机
7   低压废气涡轮增压器
7A  低压压缩机
7B  低压涡轮机
A1  入口区域
A2  出口区域
RA  旋转轴线
M   发动机

Claims (4)

1.一种废气涡轮增压器(6)的压缩机(6A)的一种压缩机叶轮(1)，
-具有一个轮毂(2)；并且
-具有多个非凹入式叶片(3)，这些非凹入式叶片被安排在该轮毂(2)上并且它们在各自情形下均具有一个叶片导缘(3A)和一个叶片后缘(3B)，
·其中，这些叶片导缘(3A)限定了一个入口区域(A1)，该区域是该压缩机叶轮(1)转动时这些叶片导缘(3A)扫过的区域，并且
·其中，这些叶片后缘(3B)限定了一个出口区域(A2)，该出口区域是该压缩机叶轮(1)转动时这些叶片后缘(3B)扫过的区域，
其中
-比率A2/A1＞60％。
2.如权利要求1所述的压缩机叶轮(1)，其中，该压缩机叶轮是一种两级增压装置(5)的高压废气涡轮增压器(6)的压缩机叶轮。
3.如权利要求1所述的叶轮(1)，其中，该压缩机叶轮是一种两级增压装置(5)的低压废气涡轮增压器(7)的压缩机叶轮。
4.一种具有压缩机(6A)的废气涡轮增压器(6)，该压缩机具有：
-一个压缩机叶轮(1)，该压缩机叶轮带有一个轮毂(2)并且带有多个非凹入式叶片(3)，这些非凹入式叶片被安排在该轮毂(2)上并且它们在各自情形下均具有一个叶片导缘(3A)和一个叶片后缘(3B)，
·其中，这些叶片导缘(3A)限定了一个入口区域(A1)，该入口区域是该压缩机叶轮(1)转动时这些叶片导缘(3A)扫过的区域，并且
·其中，这些叶片后缘(3B)限定了一个出口区域(A2)，该出口区域是该压缩机叶轮(1)转动时这些叶片导缘(3B)扫过的区域，
·其中
-比率A2/A1＞60％。
CN201380038439.7A 2012-08-13 2013-07-31 一种废气涡轮增压器的压缩机叶轮 Active CN104471210B (zh)

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PCT/US2013/052864 WO2014028214A1 (en) 2012-08-13 2013-07-31 Compressor wheel of the compressor of an exhaust-gas turbocharger

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US11598294B2 (en) 2018-08-21 2023-03-07 Apexturbo Llc Hub-less and nut-less turbine wheel and compressor wheel designs and installation/removal tool
US10982677B2 (en) 2018-08-21 2021-04-20 Ryan Harold SALENBIEN Hub-less and nut-less turbine wheel and compressor wheel design for turbochargers
US10914231B2 (en) 2018-08-21 2021-02-09 Ryan Harold SALENBIEN Hub-less and nut-less turbine wheel and compressor wheel design for turbochargers
US11761296B2 (en) 2021-02-25 2023-09-19 Wenhui Jiang Downhole tools comprising degradable components

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KR102021974B1 (ko) 2019-09-17
DE112013003318T5 (de) 2015-03-26
CN104471210B (zh) 2018-07-27
US20150204278A1 (en) 2015-07-23
JP2015524540A (ja) 2015-08-24
DE112013003318B4 (de) 2022-12-08
IN2015DN01355A (zh) 2015-07-03
KR20150039784A (ko) 2015-04-13
US10633974B2 (en) 2020-04-28
WO2014028214A1 (en) 2014-02-20

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