CN108137029B - 用于布置在车辆中的电的真空泵 - Google Patents

用于布置在车辆中的电的真空泵 Download PDF

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CN108137029B
CN108137029B CN201680061822.8A CN201680061822A CN108137029B CN 108137029 B CN108137029 B CN 108137029B CN 201680061822 A CN201680061822 A CN 201680061822A CN 108137029 B CN108137029 B CN 108137029B
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vacuum pump
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CN108137029A (zh
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I·戈伊
T·许泽
C·普雷斯特
R·沃尔克
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Hella Shanghai Electronics Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/123Fluid connections
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/02Arrangements of pumps or compressors, or control devices therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01CROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
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    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/14Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027Pulsation and noise damping means
    • F04B39/0044Pulsation and noise damping means with vibration damping supports
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/14Provisions for readily assembling or disassembling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/22Arrangements for enabling ready assembly or disassembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C25/00Adaptations of pumps for special use of pumps for elastic fluids
    • F04C25/02Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/12Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00Components
    • F04C2240/30Casings or housings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
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Abstract

本发明涉及一种电的真空泵(1),包括电马达(10)和泵部件(11),所述泵部件可由电马达(10)驱动,从而空气从抽吸接头(12)可被吸入泵部件(11)中并且空气从排出接头(13)中可从泵部件(11)中导出,并且设置马达法兰(14),泵部件(11)放置在所述马达法兰中并且排出接头(13)设置在马达法兰(14)上。按照本发明在马达法兰(14)中构成接纳空间(15),排出接头(13)通入所述接纳空间中,并且在接纳空间(15)中接纳橡胶弹性的嵌入件(16),所述嵌入件具有空心成形的内部区域(17),所述内部区域与排出接头(13)连通,并且其中,嵌入件(16)具有至少一个空气导向开口(18),借助所述空气导向开口,空气从泵部件(11)可溢流到内部区域(17)中。此外本发明涉及一种这样的嵌入件(16)。

Description

用于布置在车辆中的电的真空泵
技术领域
本发明涉及一种电的真空泵,其尤其是用于布置在车辆中的电的真空泵,其包括电马达和泵部件,所述泵部件可由电马达驱动,从而空气从抽吸接头可吸入泵部件中,并且其中,空气从排出接头可从泵部件中被导出,并且其中设置马达法兰,泵部件放置在所述马达法兰上并且其中排出接头设置在马达法兰上。
背景技术
DE 10 2012 112 069 A1示出形成类属构成的电的真空泵,其用于布置在车辆中,并且这样的真空泵用于输送机动车中的气体例如用于马达管理和/或用于制动力放大。真空泵的结构型式例如作为叶片泵实施。基于真空泵在车辆的马达舱中的布置,其承受污染物和喷射水,从而适合避免,尤其是在断开真空泵时污染物并且尤其是水到达排出接头中并且通过其到达泵部件中。尤其是当排出接头直接设置在马达法兰上时,存在水进入到泵部件中的危险。当排出接头设置在马达法兰的关于真空泵的安装位置下面的点上时,该危险则特别高。如果真空泵例如平放地使用,其方式为马达轴线基本上沿水平线延伸,则排出接头同样在水平的延伸轴线中延伸,从而例如水可以进入到排出接头中。因为在内侧在马达法兰中,连接通道连接到排出接头上,所述水直接到达泵部件中并且可以对其实施损害。
在排出接头直接设置在马达法兰上的真空泵中,此外存在消音的问题,因为尤其是通过泵部件作为叶片泵的结构型式产生噪声,所述噪声在真空泵的运行中应尽可能最小化。这样的噪声尤其是通过排出接头到达环境中,从而附加地,排出接头的消音同样是值得期望的。
发明内容
本发明的任务是进一步构成具有提高的使用寿命的电的真空泵。尤其是任务是,这样进一步构成电的真空泵,使得避免水进入到泵部件中。此外本发明的任务是,最小化噪声尤其是通过真空泵的排出接头的发出。
按照本发明的电的真空泵包括电马达并且包括泵部件,所述泵部件可由电马达驱动,从而空气从抽吸接头能被吸入泵部件中,并且空气能够从排出接头中从泵部件中导出,并且其中,设置马达法兰,泵部件放置在所述马达法兰上,并且排出接头设置在马达法兰上。本发明包括如下技术教导,即,在马达法兰中构成接纳空间,排出接头通入所述接纳空间中,并且其中,在接纳空间中接纳橡胶弹性的嵌入件,所述嵌入件具有空心成形的内部区域,所述内部区域与排出接头连通,并且嵌入件具有至少一个空气导向开口,借助所述空气导向开口,空气从泵部件可溢流到内部区域中。
本发明的核心是将橡胶弹性的嵌入件布置到马达法兰中,从而阻止排出接头和泵部件之间的直接的连接。通过嵌入件的设计,排出接头首先通入嵌入件中的内部区域中,并且所述至少一个空气导向开口在嵌入件中以相对于排出接头错开的布置构成,从而通过排出接头进入的水不能直接到达空气导向开口中。为了接纳橡胶弹性的嵌入件构成接纳空间,在马达法兰中按型腔的型式引入所述接纳空间。
有利地,接纳空间从马达法兰的端面出发作为凹部构成,其中泵部件设置在马达法兰的端面上。因此,按照泵部件的布置结构,橡胶弹性的嵌入件完全在马达法兰中或在马达法兰和泵部件之间被围住。例如嵌入件可被压入马达法兰中的凹部中,从而借助泵部件在端面上的随后的布置,嵌入件被防丢失地保持在接纳空间中。
嵌入件具有另一个优点地至少以一个侧面与接纳空间的轮廓这样适配,使得嵌入件在压入接纳空间中之后通过嵌入件的弹性变形自保持并且密封地安装在接纳空间中。例如,嵌入件具有最小的过量,并且在嵌入件压入凹部中时进行嵌入件的轻微的弹性变形,从而借此已经实现嵌入件在接纳空间中的自保持的布置。如果嵌入件在轻微的应力下安装在接纳空间中,则此外侧面相对接纳空间的壁密封,从而也在嵌入件和接纳空间之间不会有污染物并且尤其是不会有水到达泵腔中。在上侧,嵌入件以顶面终止,所述顶面可以稍微超过马达法兰的端面突出,并且按照泵部件的布置结构,嵌入件也沿马达轴线方向被轻微压缩,由此实现在嵌入件和泵部件之间的进一步密封。
具有另一个优点地,所述至少一个空气导向开口在一个位置中引入嵌入件中,在所述位置中,如果嵌入件在接纳空间中接纳,存在空气导向开口相对于排出接头的延伸轴线的错位。因此,在空气导向开口和排出接头到嵌入件的内部空间中的入口之间产生错位,并且依赖于真空泵的安装位置,错位形成高度错位,从而通过大地测量学上的高度差,特别有效地避免水进入到泵部件中。
所述至少一个空气导向开口可以具有另一个优点地与排出接头的延伸轴线相比与马达轴线具有较小的距离。当真空泵构成用于布置在安装位置中时,其中排出接头参照马达轴线并且参照重力方向向下指向,特别有效地阻止水的进入。如果水进入到排出接头中,则所述水最大程度地在橡胶弹性的嵌入件的内部区域中聚集,并且如果真空泵再次运行,则真空泵的运行将进入的水从嵌入件的内部区域通过排出接头再次从真空泵中挤压出。
按照根据本发明的电的真空泵的另一种有利的设计,嵌入件具有硅橡胶和/或乙烯基-甲基-聚硅氧烷(VMQ)。
尤其是用于阻止水进入到泵部件中的另一个优点由此实现,即,空气导向开口从内部区域开始向外朝嵌入件的顶面在横截面中变细地构成。通过该朝嵌入件的内部区域张开的漏斗形,此外产生声音降低的优点,因为从泵部件中到空气导向开口中脉冲式进入的空气膨胀并且由此最小化出现的噪声。尤其是通过嵌入件的橡胶弹性的特性,减轻来自泵部件的声音,因为嵌入件被置于轻微的振荡中,由此振荡被吸收。
本发明此外涉及如以上说明的用于电的真空泵的嵌入件。嵌入件的其他的特征和所属的优点对于要求保护的嵌入件同样被考虑。尤其是嵌入件由硅橡胶和/或由乙烯基-甲基-聚硅氧烷(VMQ)构成并且具有内部区域,且嵌入件具有至少一个空气导向开口,所述空气导向开口具有相对于内部区域与排出接头的连接部错位地设置。
附图说明
接着连同本发明的优选的实施例的说明借助附图进一步描述其他的、改善本发明的措施。其中:
图1示出包括拆卸的泵部件的电的真空泵的透视图,从而示出在马达法兰中的按照本发明的橡胶弹性的嵌入件;
图2示出用于接纳按照本发明的橡胶弹性的嵌入件的在马达法兰中的接纳空间中的详细视图;
图3示出在接纳空间中的橡胶弹性的嵌入件的布置结构的侧视图的横截面图;
图4示出橡胶弹性的嵌入件的第一透视图以及
图5示出橡胶弹性的嵌入件的另一个透视图。
具体实施方式
图1在透视图中示出包括电马达10和泵部件11的电的真空泵1,并且电马达10具有马达轴25,所述马达轴沿马达轴线23延伸。电马达10基本上具有圆柱形形状并且在上侧具有马达法兰14,马达轴25从马达法兰中突出,并且当泵部件11设置在马达法兰14的端面19上时,马达轴25伸入到泵部件11之中并且在真空泵1的运行中驱动泵部件。以未进一步示出的方式,泵部件11例如作为叶片泵实施。在电的真空泵1的运行中,所述真空泵通过抽吸接头12吸入空气,并且被抽吸的空气通过排出接头13压缩地提供。电的真空泵1的示出的结构形式具有排出接头13,所述排出接头以其延伸轴线22在外侧相对于马达10大致平行于马达轴线23延伸。而抽吸接头12大致垂直于马达轴线23从马达法兰14突出。
从端面19出发在马达法兰14中构成接纳空间15,橡胶弹性的嵌入件16被引入所述接纳空间中。嵌入件16具有如下形状,通过所述形状,接纳空间15的轮廓基本上完全被填充。嵌入件16在上侧具有空气导向开口18,通过所述空气导向开口,产生嵌入件16与泵部件11的空气连接。嵌入件16的内部区域在此与排出接头13连通,其中,空气导向开口18比排出接头13以其延伸轴线22更靠近马达轴线23。
图2示出在引入马达法兰14中的接纳空间15的区域中的马达法兰14的俯视图,橡胶弹性的嵌入件16可装入所述接纳空间中。所述俯视图示出排出接头13,所述排出接头通入接纳空间15中。
图3示出在接纳空间15的如下区域中的马达法兰14的横向剖切的视图,橡胶弹性的嵌入件16放入所述区域中。横截面视图示出排出接头13至嵌入件16的内部区域17的流体连接。引入嵌入件16中的空气导向开口18相对于排出接头13的延伸轴线22具有错位21,并且如果通过真空泵1的安装位置排出接头13处于下侧,则所述错位21形成高度错位。如果水进入到排出接头13中,则所述水基本上只到达内部区域17中,然而水不到达空气导向开口18中。
嵌入件16在与电马达10在马达法兰14上布置的对置的侧上具有顶面24,并且如果泵部件设置在马达法兰14上,则顶面14以泵部件封闭并且相对于泵部件密封。以相同的方式,嵌入件16相对接纳空间15的边缘密封,尤其是当嵌入件16相对于接纳空间15的尺寸具有轻微的过量时。
图4示出橡胶弹性的嵌入件16的第一透视图,并且图5示出从下侧看的嵌入件16的另一个透视图,从而示出内部区域17。嵌入件16的外部区域以环绕的侧面20终止,所述侧面可以相对接纳空间15的壁密封。空气导向开口18在上侧在如下区域中通入,泵部件11连接在所述区域上,如果嵌入件16设置在接纳空间15中并且泵部件11放置在马达法兰14上的话。
嵌入件16的下侧的视图示出具有朝内部区域17锥状地张开的轮廓的空气导向开口18,由此最小化在真空泵的运行中产生的噪声。
本发明在其实施方式方面不限制于以上给出的优选的实施例。而是可设想一定数量的变型,其也在原则上不同地构造的实施方式中使用示出的解决方案。全部的由本发明得出的特征和/或优点包括结构上的细节或空间的布置结构可以不仅本身而且以各种组合对本发明是重要的。
附图标记列表
1 电的真空泵
10 电马达
11 泵部件
12 抽吸接头
13 排出接头
14 马达法兰
15 接纳空间
16 嵌入件
17 内部区域
18 空气导向开口
19 端面
20 侧面
21 错位
22 延伸轴线
23 马达轴线
24 顶面
25 马达轴

Claims (11)

1.电的真空泵(1),所述电的真空泵包括电马达(10)并且包括泵部件(11),所述泵部件可由电马达(10)驱动,从而空气从抽吸接头(12)能被吸入泵部件(11)中,并且空气能够从排出接头(13)中从泵部件(11)中导出,并且其中,设置马达法兰(14),泵部件(11)放置在所述马达法兰上,并且排出接头(13)设置在马达法兰(14)上,
其特征在于,在马达法兰(14)中构成接纳空间(15),排出接头(13)通入所述接纳空间中,并且在接纳空间(15)中接纳橡胶弹性的嵌入件(16),所述嵌入件具有空心成形的内部区域(17),所述内部区域与排出接头(13)连通,并且嵌入件(16)具有至少一个空气导向开口(18),借助所述空气导向开口,空气能够从泵部件(11)溢流到内部区域(17)中。
2.按照权利要求1所述的电的真空泵(1),其特征在于,所述电的真空泵构成为用于布置在车辆中。
3.按照权利要求1或2所述的电的真空泵(1),其特征在于,接纳空间(15)从马达法兰(14)的端面(19)出发构成为凹部,嵌入件(16)可压入所述凹部中,其中,借助泵部件(11)在端面(19)上的随后的布置,嵌入件(16)防丢失地保持在接纳空间(15)中。
4.按照权利要求1或2所述的电的真空泵(1),其特征在于,嵌入件(16)至少以侧面(20)与接纳空间(15)的轮廓适配,使得嵌入件(16)在压入接纳空间(15)中之后通过嵌入件(16)的弹性的变形自保持地并且密封地安装在接纳空间(15)中。
5.按照权利要求1或2所述的电的真空泵(1),其特征在于,所述至少一个空气导向开口(18)在如下位置中在嵌入件(16)中引入,在所述位置中,如果嵌入件(16)在接纳空间(15)中被接纳,存在空气导向开口(18)相对于排出接头(13)的延伸轴线(22)的错位(21)。
6.按照权利要求1或2所述的电的真空泵(1),其特征在于,电马达(10)具有马达轴线(23),其中,与排出接头(13)的延伸轴线(22)相比,所述至少一个空气导向开口(18)与马达轴线(23)具有较小的距离。
7.按照权利要求4所述的电的真空泵(1),其特征在于,嵌入件(16)具有硅橡胶。
8.按照权利要求4所述的电的真空泵(1),其特征在于,嵌入件(16)具有乙烯基-甲基-聚硅氧烷。
9.按照权利要求6所述的电的真空泵(1),其特征在于,真空泵构成用于设置在安装位置中,在所述安装位置中,排出接头(13)参照马达轴线(23)并且参照重力方向向下指向。
10.按照权利要求1或2所述的电的真空泵(1),其特征在于,空气导向开口(18)从内部区域(17)开始向外朝嵌入件(16)的顶面(24)在横截面中变细地构成。
11.用于按照权利要求1至10之一所述的电的真空泵(1)的嵌入件(16),其特征在于,所述嵌入件构成为橡胶弹性的并接纳在接纳空间(15)中,并且所述嵌入件具有空心成形的内部区域(17),所述内部区域与排出接头(13)连通,并且嵌入件(16)具有至少一个空气导向开口(18),借助所述空气导向开口,空气能够从泵部件(11)溢流到内部区域(17)中。
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