CN107620613A - 可变涡轮机几何结构的调节环 - Google Patents
可变涡轮机几何结构的调节环 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
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Abstract
本发明涉及一种废气涡轮增压器(3)的可变涡轮机几何结构(2)的调节环(1)。对于本发明必要的是,所述调节环(1)具有至少第一环部(4)以及至少第二环部(5)。
Description
技术领域
根据权利要求1的前序部分,本发明涉及一种废气涡轮增压器的可变涡轮机几何结构的调节环。本发明还涉及一种具有这样的调节环的可变涡轮机几何结构,并且涉及一种具有这样的可变涡轮机几何结构的废气涡轮增压器。
背景技术
从EP1688602A1已知一种普遍的废气涡轮增压器的可变涡轮机几何结构的调节环,其在与导向叶片杆的接触区域中具有插入衬套,从而扩大与连杆的接触面积,并且由此增加耐磨性。
从DE102012218138A1已知一种具有可变涡轮机几何结构的废气涡轮增压器,其中可变涡轮机几何结构具有可旋转地安装在叶片轴承环中的导向叶片,所述导向叶片通过调节元件是能够调节的。调节元件本身在此构造为薄片部件,并且具有比叶片轴承环小的直径。
从WO2009/115437A1已知一种具有可变涡轮机几何结构并且具有至少一个支承圈的废气涡轮增压器的叶片栅格装置,所述支承圈由至少一个金属片部件形成,用于导向叶片的支承。
通常,在具有可变涡轮机几何结构的废气涡轮增压器中,调节环用于调节导向叶片,所述调节环一方面连接至导向叶片杆,并且另一方面连接至每个导向叶片的调节杆。然而,在与导向叶片杆以及与导向叶片的每个调节杆的接触点处,由于相对移动以及大的接触力而能够发生增加的磨损。为了能够将该磨损保持在调节环的接合点处的界限内,通常导向叶片杆和每个调节杆和/或调节环设置有耐磨涂层,例如设置有渗氮层。而且,为了能够减小表面压力,还经常作为整体或只在凹槽的分别与调节杆或导向叶片杆接触的区域中局部地增加调节环的厚度。
然而,从现有技术已知的具有较大厚度的冲压的调节环的缺点是,需要用于制造的高压力,特别是在大于6mm的部件的情况下,并且关于尺寸精确度具有潜在的高风险。而且,在具有厚度在毫米的范围中增加的部件的冲压部件的情况下,相比于调节环的整体厚度,只发生成比例的较高的细切削比例以及只发生因此的稍微较大的接触高度。可替代地,当然在此也可想到这样的调节环作为铸造件的制造,然而其中,在此需要复杂且成本密集的后置处理,从而针对在整个使用寿命期间实现功能而能够实现需要的耐性。
发明内容
本发明因此关于如下问题:针对普遍类型的调节环指出一种改进的或至少替代的实施例,其特别是克服了现有技术已知的缺点。
根据本发明,该问题由独立权利要求1的主题解决,有益的实施例为从属权利要求的主题。
本发明基于如下的主要构思:第一次将用于废气涡轮增压器的可变涡轮机几何结构构的调节环造为非整体刚性的部件,而是将其分别由至少两个单独的环部或环部件组装,由于它们的明显减小的厚度,其提供了能够以高质量,并且另外以有利的成本制造单独的环部的大优点。根据本发明的废气涡轮增压器的可变涡轮机几何结构的调节环具有至少第一环部以及至少第二环部,其一起形成调节环。通过根据本发明的由多个单独的环部组成的调节环,因此还能够在导向叶片杆与调节环以及单向片的每个调节杆与调节环的接合点中创建扩大的接触区域,并且同时能够减小在那里产生的表面压力,凭此特别是在大致动力以及长运转时间的情况下能够实现更少的磨损。通过比调节环套件的整体厚度小的每个环部的厚度,而且能够分别将调节环或者其每个环部制造为具有小的翻转(rollover)的冲压的或精密冲裁的部件,其相比于刚性的厚调节环在制造方面体现了明显的优点,即,特别是更高的尺寸精度、更高的细切削比例以及更小的需要的按压力。而且,相比于通过研磨的铸造件还能够实现成本优势,在此是必需的,从而针对在整个使用寿命期间实现功能而能够实现需要的耐性。
在根据本发明的技术方案的有益的进一步的发展中,第一和/或第二环部被构造为金属片部件。这样的金属片部件能够在生产方面以有利的成本且以高质量被相对简单地分别冲压或切断,凭此调节环的制造所需的环部套件也能够以有利的成本且以尺寸精确的方式制造。
在根据本发明的技术方案的有益的进一步的发展中,第一和第二环部彼此牢固地连接。这样的连接例如能够通过粘合、铆接、冲压铆合、通过变形接合、软焊或者焊接而进行。纯理论地,当然同样可替代的是,能够想到至少两个单独的环部的宽松的布置,特别是每个环部在彼此上的宽松的放置,这随后使它们自身因此在力的传递时在接触表面处彼此对齐。不考虑每个环部彼此的连接,调节环能够因此以有利的成本,并且以非常灵活的方式制造,即,通过自由地可挑选的厚度,由具有对应厚度的每个环部组装形成调节环套件。
方便地,第一和第二环部构成为同样的部件。这提供了对于第一和第二环部的制造只需要一个冲压工具的大的优点,凭此每个环部的制造以及因此的调节环的制造是能够以有利的成本进行的。
在根据本发明的进一步有益的实施例中,第一和/或第二环部具有耐磨涂层,特别是渗氮层。通过这样的耐磨涂层,能够明显地增加耐磨性,其中通过氮化,即,每个环部的表面的氮含量增加,分别发生表面加膜或表面硬化,这明显地增加了耐磨性,并且同时能够以有利的成本实现。
本发明还基于如下的主要构思:指出具有前述的调节环的可变涡轮机几何结构,以及具有这样的可变涡轮机几何结构的废气涡轮增压器,当然很明显的是不但可变涡轮机几何结构,而且可变压缩机几何结构也能够装备有这样的根据本发明的调节环。这样的废气涡轮增压器因此能够以有利的成本、以高级的质量,并且另外在生产方面以简单的方式制造。
本发明的进一步重要的特征和益处将从从属权利要求、附图以及通过附图辅助的相关附图描述显现。
应当理解的是,在不偏离本发明的范围的情况下,上述特征以及留待在下文中说明的特征不仅能够用在分别指示的结合中,而且还能够用在其他结合中或者单独使用。
附图说明
本发明的优选示例性实施例图示在附图中并且在接下来的描述中进一步地说明,其中相同的附图标记涉及相同或相似或功能上相同的部件。
分别示意性地示出有,
图1为根据本发明的、具有根据本发明的具有至少两个环部的调节环的可变涡轮机几何结构,
图2为图1的细节图示,
图3为穿过根据本发明的可变涡轮机几何结构的截面图,
图4为在根据本发明的调节环之上的视图,
图5为穿过根据本发明的调节环的截面图,其中两个环部彼此铆接。
具体实施方式
根据图1至图5,根据本发明的废气涡轮增压器3的可变涡轮机几何结构2的调节环1具有至少第一环部4和至少第二环部5。实际的调节环1因此由多个单个的环部4、5组装,在此例如通过由两个环部4、5组装,凭此能够更薄地制造单个的环部4、5,在生产方便更简单,且以更有利的成本。第一和/或第二环部4、5在此例如能够体现为简单的冲压的金属片部件。由此,通过不同厚度的环部4、5的结合,调节环1的厚度的非常灵活的建立是可能的。
相比于迄今从现有技术已知的调节环,其中调节环被相应地构造为整体的,即,刚性的部件,通过根据本发明的调节环1,也能够扩大与调节杆6或与导向叶片杆7的区域中的接触面积,并且由此在那里产生的表面压力以及接收的力能够被减小。
通常,在此能够想到至少两个环部4、5彼此宽松地放置,并且仅经由接触表面分别将它们自身与导向叶片杆7或与导向叶片8的每个调节杆6对齐。可替代地,当然也能够想到两个环部4、5彼此牢固地连接,例如彼此粘合、软焊或者焊接,或者通过铆钉9(参见图5)彼此铆接,例如通过冲压铆合,通过变形而接合,特别是铆钉连接。而且,特别有益的是,至于形成调节环1的至少两个环部4、5被构成为相同的部件,因为在该情况下只需要一个单独的冲压工具。
为了能够进一步增加调节环1的耐磨性,可以做出第一和/或第二环部4、5具有耐磨涂层10(特别是渗氮的或者用硼处理的)的额外设置。通过对应的方法,环部4、5通常被完全地渗氮或用硼处理。通过这样的分别地表面加膜或表面硬化,也能够在整个使用寿命期间承受在分别与导向叶片杆7或导向叶片8的每个调节杆5的接触表面的区域中产生的高致动力。
再次参考图1至图3的可变涡轮机几何结构2,能够看出后者以已知的方式具有叶片支承环11,其中每个导向叶片8经由它们的叶片支承销12可旋转地安装。如同样图示出的,该叶片支承环11当然能够具有两个叶片支承环。在叶片支承环11的与导向叶片8相对放置的那侧,叶片支承销12连接至调节杆6,所述叶片支承销12在调节环1上接合到对应的凹槽13中,使得每个导向叶片8经由调节环1被可调节地接合。调节环1例如经由辊子14安装,所述辊子14允许平稳运行的安装。
通过根据本发明的调节环1,能够构造调节环,其迄今第一次以分部分的方式以刚性的方式被构造以获得需要的耐磨性并且获得足够大的接触表面,并且由此将其以更有利的成本,并且也特别是更加灵活地制造,因为对于每个调节环1针对沿轴向方向15的不同厚度的制造能够彼此结合不同数量的环部4、5。在此也能够想到每个环部4、5分别具有不同的厚度。通常,当然同样清楚的是,根据图1至图3所使用的调节环1通过可变涡轮机几何结构2也能够以同样的方式与可变压缩机几何结构16一起使用。在此当然也能够想到多于两个环部4、5的结合。
Claims (9)
1.一种废气涡轮增压器(3)的可变涡轮机几何结构(2)的调节环(1),其特征在于,
所述调节环(1)具有至少一第一环部(4)以及至少一第二环部(5)。
2.根据权利要求1所述的调节环,
其特征在于,
所述第一环部(4)和/或所述第二环部(5)构成为金属片部件。
3.根据权利要求1或2所述的调节环,
其特征在于,
所述第一环部(4)和/或所述第二环部(5)构成为冲压部件。
4.根据前面权利要求中的任一项所述的调节环,
其特征在于,
-所述第一环部(4)与所述第二环部(5)彼此牢固地连接,或者
-所述第一环部(4)与所述第二环部(5)彼此宽松地放置。
5.根据前面权利要求中的任一项所述的调节环,
其特征在于,
所述第一环部(4)与所述第二环部(5)彼此牢固地粘合、铆接、软焊、焊接,或者通过冲压铆合、通过变形接合,特别是铆钉连接而彼此连接。
6.根据前面权利要求中的任一项所述的调节环,
其特征在于,
所述第一和第二环部(4,5)构成为相同的部件。
7.根据前面权利要求中的任一项所述的调节环,
其特征在于,
所述第一环部(4)和/或所述第二环部(5)具有耐磨涂层(10),特别是渗氮的或用硼处理的。
8.一种可变涡轮机几何结构(2),其具有根据前面权利要求中的任一项所述的调节环(1)。
9.一种废气涡轮增压器(3),其具有根据权利要求8所述的可变涡轮机几何结构。
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DE202016103778.6U DE202016103778U1 (de) | 2016-07-13 | 2016-07-13 | Verstellring einer variablen Turbinengeometrie |
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DE102020103215A1 (de) | 2020-02-07 | 2021-08-12 | Ihi Charging Systems International Gmbh | Verstellbarer Leitapparat für einen Abgasführungsabschnitt eines Abgasturboladers, Abgasführungsabschnitt für einen Abgasturbolader und Abgasturbolader |
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US20180016930A1 (en) | 2018-01-18 |
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