CN100567715C - 可调阀,特别是涡轮增压器的再循环阀 - Google Patents

可调阀,特别是涡轮增压器的再循环阀 Download PDF

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CN100567715C
CN100567715C CNB2003801105636A CN200380110563A CN100567715C CN 100567715 C CN100567715 C CN 100567715C CN B2003801105636 A CNB2003801105636 A CN B2003801105636A CN 200380110563 A CN200380110563 A CN 200380110563A CN 100567715 C CN100567715 C CN 100567715C
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spring
valve
adjustable
valve member
spiral
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CN1860289A (zh
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P·诺埃勒
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Honeywell International Inc
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    • 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
    • F02B37/12—Control of the pumps
    • F02B37/16—Control of the pumps by bypassing charging air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
    • F04D27/0215—Arrangements therefor, e.g. bleed or by-pass valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
    • F04D27/023—Details or means for fluid extraction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Supercharger (AREA)
  • Safety Valves (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

一种可调节阀，包括用于控制通过阀的流体流动的阀件(6)以及作用于所述阀件上并支撑在可调节止动器(7)上的螺旋弹簧(11)，该止动器螺旋连接在所述弹簧上。该弹簧通过直径缩小的部分(12)螺旋连接在止动器(7)上，从而调节作用于所述阀件(6)上的弹簧校准预张力。

Description

可调阀，特别是涡轮增压器的再循环阀
本发明涉及一种可调阀，特别是涉及一种用于涡轮增压器增压系统的可调节再循环阀。
根据文献US-4517803公开了一种涡轮增压器，该增压器包括一喷射从压缩机排放到压缩机入口的可选择性再循环气流的阀。该阀包括螺旋弹簧和带有用于调节轴向位置的螺纹部分的螺旋弹簧止动器。
文献US-5540417中进一步公开了一种可调节弹簧装置，其中螺旋弹簧的工作长度通过螺纹插入弹簧的圆筒状嵌片调节。
本发明的目的之一是提供一种改进的调节阀，特别是用于涡轮增压器的可调节再循环阀。
根据本发明，提供一种可调节阀，包括用于调整通过阀的流体流动的活塞件，其中所述阀包括螺旋弹簧，该螺旋弹簧作用于与该弹簧第一端相邻的阀元件且支撑在可调节止动器上，该止动器螺旋连接在所述弹簧的第二端上，其特征在于，该弹簧的第二端通过弹簧直径缩小的部分可调节地螺旋连接在止动器的螺旋上，从而可以调节所述弹簧的校准预张力，从而不会影响弹簧的作用长度，其中该直径缩小的部分起把弹簧的轴向位置相对所述止动器调节的连接构件作用。。
根据实施例之一，弹簧也可拆卸地螺纹连接在阀件上。根据本发明的另一个实施例，弹簧固定地安装在阀件上。
接下来通过实施例参考附图来说明本发明。
附图中：
图1是根据本发明的一种可调节再循环阀的截面图；以及
图2和图3显示了图1中的可调节再循环阀的不同调节部分。
如图1所示，一种可调节再循环阀包括一基本壳体部1，该壳体部由涡轮增压器的压缩机侧壳体组成，该增压器在图1中未特别显示。该阀进一步包括一阀盖2，该阀盖通过图1未特别显示的紧固螺钉固定于该壳体部1。为了此目的，该紧固螺钉带有平垫圈，用于将阀盖2的凸缘部分3固定在一圆形凹槽中，该凹槽形成于壳体部1的一相应安装凸缘5内。
在安装凸缘5内，提供了一圆形开口4，将压缩机出口与压缩机入口连通，这一点将在下文中特别说明。开口4被一活塞状阀件6覆盖，该阀件通过弹簧装置贴合着环绕开口4的安装凸缘。
该弹簧装置包括作为螺钉件7形成的弹簧止动器，该螺钉件旋入壳体1的孔9内，该孔与圆形开口4同心地充分延伸。螺钉件7上部的面向阀盖的圆周面攻有螺纹，以便该部分可与螺旋弹簧11末端线圈的螺旋形状相匹配。螺旋弹簧11的末端直径比螺旋弹簧其它部分的直径小，以便无论螺钉件7旋入弹簧11的内部空间达到何种程度，只有组成弹簧末端的有限线圈保持与螺钉件7啮合。这样，弹簧末端作为调节弹簧11相对于螺钉件7的轴向位置的连接件，而不会影响功能上有效的弹簧线圈的总数。
螺旋弹簧11的上部，也就是弹簧面对阀件6的末端安装或固定旋至阀件6的柱状突起13上，以便弹簧保持张紧，用于在阀件的关闭位置施加一预定的预载荷。该弹簧装置容纳于格间17中，该格间与压缩机入口连通。
阀件6的顶端附着有一帽形隔膜19，其外围部分夹在盖2和凸缘部5之间，如图1所示。在隔膜19和凸缘部5的底端之间形成了圆周排放通道21，该通道通过凸缘部5的开口23和与压缩机出口相连的壳体1另一个格间25长久连通。
接下来参考图1至3解释阀的功能。
当汽油发动机的节气门突然关闭时，在节气门上游形成高压并与压缩机出口连通，该出口进一步与图1所示的再循环阀的格间25连通。为了防止涡轮增压器的压缩机发生喘振，除了盖2中由节气门下游侧与盖入口8通过图1未特别显示的软管连通而形成的真空外，还有格间25内增加的压力推起阀件6。这样，高度压缩的空气可流出格间25，进入圆周排放通道21并最终通过开口4排放至与压缩机入口连通的邻近格间17中。
由于再循环阀的构造，通过改变弹簧11的预载荷而校准该阀是可能的。当弹簧11旋入螺钉7的螺纹部分时，由于直径缩小的弹簧末端之间的摩擦接触弹簧的线圈趋向于打开。然而，当旋开力加载在螺旋弹簧上时，螺旋弹簧趋向于在螺纹上张紧并产生一自锁效应，从而避免弹簧从螺钉7脱开。因此，通过使用这样一种弹簧装置，除了防震效果外还可作为可调节张力校准系统。
在图2所示的调节位置，弹簧11以最小圈数旋入螺钉7，使得预张力，也就是弹簧的预载荷，变为最小。在此位置，阀件或活塞6可容易地被格间25内的压力向上推。
在图3所示的充分旋入位置，弹簧11张紧至最大可能，从而也形成格间25内的压力必须克服的最大预载荷。
如图所示，根据本发明的再循环阀可容易地拆卸，为了校准的目的，螺钉7和螺旋弹簧11的轴向位置可容易地调节。

Claims (3)

1.一种可调节阀，包括用于调整通过阀的流体流动的阀件(6)，其中所述阀包括螺旋弹簧，该螺旋弹簧作用于与该弹簧第一端相邻的阀件且支撑在可调节止动器上，该止动器螺旋连接在所述弹簧的第二端上，其特征在于，
该弹簧的第二端通过弹簧直径缩小的部分可调节地螺旋连接在止动器(7)的螺旋上，从而可以调节所述弹簧的校准预张力，从而不会影响功能上有效的弹簧线圈的总数，其中该直径缩小的部分起把弹簧的轴向位置相对所述止动器调节的连接构件作用。
2.如权利要求1所述的可调节阀，其特征在于，所述弹簧也螺旋连接于所述阀件(6)上。
3.如权利要求1所述的可调节阀，其特征在于，所述弹簧固定安装在所述阀件(6)上。
CNB2003801105636A 2003-10-20 2003-10-20 可调阀,特别是涡轮增压器的再循环阀 Expired - Fee Related CN100567715C (zh)

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PCT/EP2003/011599 WO2005042941A1 (en) 2003-10-20 2003-10-20 Adjustable valve, in particular a recirculation valve for a turbocharger

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CN100567715C true CN100567715C (zh) 2009-12-09

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US (1) US20070057213A1 (zh)
EP (1) EP1676020B1 (zh)
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AU (1) AU2003274047A1 (zh)
DE (1) DE60322126D1 (zh)
WO (1) WO2005042941A1 (zh)

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US9476365B2 (en) * 2012-05-17 2016-10-25 Ford Global Technologies, Llc Coordination of cam timing and blow-through air delivery
JP6237140B2 (ja) * 2013-11-13 2017-11-29 株式会社Ihi ダイヤフラム式アクチュエータ及び過給機
CN104806345B (zh) * 2015-04-10 2017-08-04 中国第一汽车股份有限公司无锡油泵油嘴研究所 一种发动机电动气体配给装置
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US20070057213A1 (en) 2007-03-15
EP1676020A1 (en) 2006-07-05
DE60322126D1 (de) 2008-08-21
WO2005042941A1 (en) 2005-05-12
AU2003274047A1 (en) 2005-05-19
EP1676020B1 (en) 2008-07-09
CN1860289A (zh) 2006-11-08

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