CN103890318B - 流动转子,特别是涡轮机叶轮 - Google Patents
流动转子,特别是涡轮机叶轮 Download PDFInfo
- Publication number
- CN103890318B CN103890318B CN201280049803.5A CN201280049803A CN103890318B CN 103890318 B CN103890318 B CN 103890318B CN 201280049803 A CN201280049803 A CN 201280049803A CN 103890318 B CN103890318 B CN 103890318B
- Authority
- CN
- China
- Prior art keywords
- turbine wheel
- impeller core
- exterior section
- impeller
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- F01D5/02—Blade-carrying members, e.g. rotors
-
- 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
- F01D5/34—Rotor-blade aggregates of unitary construction, e.g. formed of sheet laminae
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/006—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine wheels
-
- 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
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
- F05D2300/174—Titanium alloys, e.g. TiAl
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/50—Intrinsic material properties or characteristics
- F05D2300/522—Density
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Supercharger (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
本发明涉及一种流动转子(1),特别是涡轮机叶轮,该流动转子具有:一个叶轮芯部(2);以及环绕该叶轮芯部(2)并且连接于其上的一个外部部分(3),其中该叶轮芯部(2)和该外部部分(3)是由不同的材料构造的。
Description
本发明涉及根据权利要求 1 前序部分的一种流动转子,特别是涡轮机叶轮。
这种类型的流动转子,具体被形成为排气涡轮增压器的涡轮机叶轮,具有一个叶轮芯部,在该叶轮芯部的外侧上安排有一个带多个导向叶片的外部部分。在该一般类型的涡轮机叶轮的情况下,该叶轮芯部和该外部部分由相同材料组成,这样形成了一个均质的涡轮机叶轮。
相比之下,本发明的一个目的是提供在权利要求 1 的前序部分所指明类型的一种流动转子、特别是涡轮机叶轮,该流动转子具有改进的惯性矩和减小的质量。
这一目的是通过权利要求 1 的特征来实现的。
由于该叶轮芯部和该外部部分是由不同材料构成的,有可能通过适当的材料选择来减小该叶轮芯部的重量,这样使得整体上改进了根据本发明的流动转子或涡轮机叶轮的惯性矩并且减小了其质量。
这些从属权利要求包含这些发明的多个有利发展。
本发明的进一步的细节、特征和优点是通过参照附图从多个示例性实施例的以下说明中变得清楚的,在附图中:
图1示出了穿过根据本发明的流动转子的第一实施例的一个截面图示,在此实例中该流动转子被形成为涡轮机叶轮;
图2示出了对应于图1的流动转子的第二实施例的一个图示,并且
图3示出了根据本发明的流动转子的叶轮芯部的一个实施例的透视图示。
图 1 示出了一个流动转子1的截面图示,在此实例中该流动转子被形成为涡轮机叶轮。然而,原则上,还有可能的是该流动转子可以形成压缩机叶轮。这种类型的流动转子可以例在排气涡轮增压器中用作涡轮机叶轮或压缩机叶轮。
涡轮机叶轮1具有一个叶轮芯部 2,该叶轮芯部在此实例中具有钟状截面。叶轮芯部 2 的外部面8配备有一个外部部分3,该外部部分配备有多个导向叶片,这些导向叶片中的一个导向叶片7可以借助于该截面图示看到。根据本发明,叶轮芯部 2 是由与外部部分3不同的材料生产的。为了改进惯性矩并且减小质量,叶轮芯部 2 的材料具有比外部部分3的材料低的密度。为了将叶轮芯部2和外部部分3相连接,叶轮芯部2的外部面8可以配备有一个适当的涂层,以便使得有可能在叶轮芯部2与外部部分3之间实现更好的连接。此外,如从图3的图示中清楚的是,有可能为叶轮芯部2提供一个形状配合的连接装置4,该连接装置在图3所示的实例中是由在叶轮芯部2的纵向方向上延伸的多个凹槽构成的。
为了将叶轮芯部 2 和外部部分3相连接,例如有可能将这些彼此焊接或者在一个复合铸造工艺中将它们彼此连接。
在根据图2的实施例中示出了焊接的一个实例。在这种情况下,叶轮芯部2具有一个连续的纵向中心凹陷5,该凹陷沿着纵向轴线L延伸并且一个焊接销6被插入该凹陷之中。在这种情况下,该焊接销6由与外部部分3相同的材料组成,其优点是可以使用标准的焊接工艺(例如,摩擦焊接工艺或EB焊接工艺)。同样在图2所示的实施例中,叶轮芯部2的材料具有比外部部分3的或焊接销6的材料低的密度,以便减小质量并且改进惯性矩。
为了将叶轮芯部2和外部部分3相连接,将焊接销6插入纵向中心凹陷5中并且然后将其焊接到外部部分3上。
除了上述焊接和复合铸造连接工艺之外,当然还可想到其他常见的连接工艺。
除本发明的以上书面披露之外,特此明确地参考在图1至图3中对本发明的图解展示。
参考符号清单
1 流动转子,特别是涡轮机叶轮
2 叶轮芯部/凸台
3 外部部分/外皮
4 形状配合的连接装置
5 纵向中心凹陷/纵向孔
6 焊接销
7 导向叶片
8 叶轮芯部2的外部面
L 纵向中心轴线
Claims (5)
1.一种涡轮机叶轮(1),
- 具有一个叶轮芯部(2);以及
- 环绕该叶轮芯部(2)并且连接于其上的一个外部部分(3),其中
- 该叶轮芯部(2)和该外部部分(3)是由不同的材料构造的,
- 其中,该叶轮芯部(2)的材料具有比该外部部分(3)的材料低的密度。
2.如权利要求1所述的涡轮机叶轮,其中,该叶轮芯部(2)配备有施加于其外部面(8)上的一个涂层。
3.如权利要求1或2所述的涡轮机叶轮,其中,该叶轮芯部(2)是通过一个形状配合的连接装置(4)而连接于该外部部分(3)上。
4.如权利要求1或2所述的涡轮机叶轮,其中,该叶轮芯部(2)配备有一个连续的纵向中心凹陷(5)。
5.如权利要求4所述的涡轮机叶轮,其中,该叶轮芯部(2)和该外部部分(3)是通过一个焊接销(6)连接的,该焊接销延伸穿过该纵向中心凹陷(5)并且是由与该外部部分(3)相同的材料形成的。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011118601.1 | 2011-11-15 | ||
DE102011118601 | 2011-11-15 | ||
PCT/US2012/064290 WO2013074393A1 (en) | 2011-11-15 | 2012-11-09 | Flow rotor, in particular turbine wheel |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103890318A CN103890318A (zh) | 2014-06-25 |
CN103890318B true CN103890318B (zh) | 2016-09-28 |
Family
ID=48430057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201280049803.5A Expired - Fee Related CN103890318B (zh) | 2011-11-15 | 2012-11-09 | 流动转子,特别是涡轮机叶轮 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10113428B2 (zh) |
JP (1) | JP2014533339A (zh) |
KR (1) | KR101940588B1 (zh) |
CN (1) | CN103890318B (zh) |
DE (1) | DE112012004038T5 (zh) |
WO (1) | WO2013074393A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103890318B (zh) * | 2011-11-15 | 2016-09-28 | 博格华纳公司 | 流动转子,特别是涡轮机叶轮 |
US11933312B2 (en) * | 2020-12-14 | 2024-03-19 | Garrett Transportation I Inc | E-assist turbocharger with bleed fluid system connecting compressor section to web ring of turbine section for thrust load suppression |
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CN1834407A (zh) * | 2005-02-10 | 2006-09-20 | 三菱重工业株式会社 | 可变容量排气涡轮增压器 |
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CN101542088A (zh) * | 2006-12-11 | 2009-09-23 | 博格华纳公司 | 涡轮增压器 |
GB2463453A (en) * | 2008-09-06 | 2010-03-17 | Cummins Turbo Tech Ltd | Turbocharger rotor assembly |
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-
2012
- 2012-11-09 CN CN201280049803.5A patent/CN103890318B/zh not_active Expired - Fee Related
- 2012-11-09 US US14/355,309 patent/US10113428B2/en not_active Expired - Fee Related
- 2012-11-09 DE DE112012004038.4T patent/DE112012004038T5/de not_active Withdrawn
- 2012-11-09 WO PCT/US2012/064290 patent/WO2013074393A1/en active Application Filing
- 2012-11-09 KR KR1020147015061A patent/KR101940588B1/ko active IP Right Grant
- 2012-11-09 JP JP2014541290A patent/JP2014533339A/ja active Pending
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CN1834407A (zh) * | 2005-02-10 | 2006-09-20 | 三菱重工业株式会社 | 可变容量排气涡轮增压器 |
CN101535600A (zh) * | 2006-11-29 | 2009-09-16 | 博格华纳公司 | 涡轮增压器 |
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GB2463453A (en) * | 2008-09-06 | 2010-03-17 | Cummins Turbo Tech Ltd | Turbocharger rotor assembly |
Also Published As
Publication number | Publication date |
---|---|
WO2013074393A1 (en) | 2013-05-23 |
JP2014533339A (ja) | 2014-12-11 |
KR20140097291A (ko) | 2014-08-06 |
US20140308137A1 (en) | 2014-10-16 |
CN103890318A (zh) | 2014-06-25 |
US10113428B2 (en) | 2018-10-30 |
DE112012004038T5 (de) | 2014-06-26 |
KR101940588B1 (ko) | 2019-01-21 |
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