CN1244753C - 带有喷油阀的内燃机 - Google Patents

带有喷油阀的内燃机 Download PDF

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Publication number
CN1244753C
CN1244753C CNB008186790A CN00818679A CN1244753C CN 1244753 C CN1244753 C CN 1244753C CN B008186790 A CNB008186790 A CN B008186790A CN 00818679 A CN00818679 A CN 00818679A CN 1244753 C CN1244753 C CN 1244753C
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China
Prior art keywords
injection valve
accommodating part
combustion engine
cylinder head
internal
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Expired - Lifetime
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CNB008186790A
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CN1433505A (zh
Inventor
E·利珀特
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Volkswagen AG
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Volkswagen AG
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/242—Arrangement of spark plugs or injectors
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
    • F02M61/145—Arrangements of injectors with respect to engines; Mounting of injectors the injection nozzle opening into the air intake conduit
    • 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
    • F02B75/00—Other engines
    • F02B75/12—Other methods of operation
    • F02B2075/125—Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

本发明涉及一种内燃机，尤其是用于汽车的内燃机，它具有一个汽缸盖(21)和燃料用喷油阀(10)，其中汽缸盖(21)具有用于喷油阀(10)的各个容纳部(20，22，24)。此处在容纳部(20，22，24)上和在一个各自的喷油阀(10)上共同起作用的机构(18，26)如此构成，即在把喷油阀(10)布置在容纳部(20，22，24)里时预先限定了喷油阀(10)在容纳部(20，22，24)中的与围绕喷油阀(10)的纵向轴线(19)的旋转有关的定位。

Description

带有喷油阀的内燃机
技术领域
本发明涉及一种内燃机，它具有一个汽缸盖和用于燃料的喷油阀，其中该汽缸盖具有用于喷油阀的各自容纳部。
背景技术
带有燃料用喷油阀的内燃机具有一种不对称的燃油喷束，该燃油喷束与混合气形成室，例如直接喷射时的燃烧室，或者进气道中腔室的相对位置有关，这对于正确的混合气形成具有特殊的意义。喷油阀在容纳部里围绕其纵向轴线发生微小的转动，使喷油阀离开其最佳位置，可能引起混合气形成的大大恶化，并因而使得关系到功率、有害物排放和燃料消耗的发动机功能相应地变差。因而当装配这类内燃机时，在将喷油阀插入汽缸盖上各自的容纳部里去时，必须准确地遵守与围绕喷油阀纵向轴线的旋转有关的位置。然而这比较费事而且成本贵。
发明内容
本发明的任务就是在装配具有喷油阀的内燃机时实现简化并降低成本。
该项任务的技术解决方案是一种内燃机，尤其是用于汽车的内燃机，它具有一个汽缸盖和燃料用喷油阀，其中汽缸盖具有用于喷油阀的各自容纳部，其中，在容纳部处和在一个各自的喷油阀上以机械方式共同起作用的机构如此构成，即当把喷油阀布置在容纳部里时预先限定了喷油阀在容纳部中的与围绕喷油阀的纵向轴线的旋转有关的定位；其特征在于，该共同作用的机构在喷油阀上具有一个筋条，而在容纳部上具有一个与之配合的槽。
为此按照本发明设定；在容纳部处和在一个各自的喷油阀处共同起作用的机构如此构成，即当把喷油阀布置在容纳部里时预先限定了喷油阀在容纳部中的与围绕喷油阀纵向轴线的旋转有关的定位。
其优点在于：在具有不对称燃油喷束的喷油阀遵守该燃油喷束相对于燃烧室(在一种直接喷射时)或者相对于进气道中的一个混合气形成腔室(在进气管喷射时)的一个想要的最佳的位置而自动地使喷油阀插入汽缸盖的容纳部里时，不需要为此而附加的调节措施。因而内燃机的装配就大大简化了。
共同起作用的机构按合理的方式机构共同作用。
例如容纳部和喷油阀如此设置，以使燃料直接喷入内燃机汽缸的各个燃烧室里。
在一种优选的实施形式中包括：共同起作用的机构在喷油阀上有一个筋条，在容纳部上有一个与此适配的槽，其中该筋条设在例如用于一个插接连接件的一个托架上，该插接连接件用于连接一个气门控制机构。
在一种优选的改进方案中，汽缸盖有一个凸缘，喷油阀的容纳部就至少部分地设在该凸缘里。
附图说明
本发明的其它特点、优点和有利的设计方案可见下文根据附图对本发明的叙述说明。图示为：
图1是用于按本发明的内燃机的一种喷油阀的立体视图；和
图2是一种按本发明的内燃机的汽缸盖的一部分的立体视图。
具体实施方式
由图1可见，喷油阀10包括有一个阀体12和一个用于连接尚未示出的一个气门控制机构的插接连接件16的托架14。在托架14上整体成型出一个筋条18。喷油阀的纵向轴线用19表示。
由图2可见，汽缸盖21是为直接喷射的内燃机设计的并包括有多个用于各个喷油阀的容纳部20，22，24以及带有一个铸入的进气板30的一个进气道28。
这些容纳部20，22，24各有一个槽26，其结构与喷油阀10的筋条18相配合。喷油阀10装入此容纳部22里，其中可以看到：筋条18和槽26机械地共同作用，从而预先限定了喷油阀10在容纳部22中的与围绕纵向轴线19的旋转有关的位置或者定位。为此使筋条18精确地配合在槽26里，从而喷油阀10既不不会沿错误的定位方向插入在容纳部22里，也不会在插入容纳部22之后使喷油阀10旋转。
标号表
10喷油阀
12阀体
14托架
16插接连接件
18筋条
19纵向轴线
20容纳部
21汽缸盖
22容纳部
24容纳部
26槽
28进气道
30进气板

Claims (3)

1.内燃机，它具有一个汽缸盖(21)和燃料用喷油阀(10)，其中汽缸盖(21)具有用于喷油阀(10)的各自容纳部(20，22，24)，其中，在容纳部(20，22，24)处和在一个各自的喷油阀(10)上以机械方式共同起作用的机构(18，26)如此构成，即当把喷油阀(10)布置在容纳部(20，22，24)里时预先限定了喷油阀(10)在容纳部(20，22，24)中的与围绕喷油阀(10)的纵向轴线(19)的旋转有关的定位；其特征在于，该共同作用的机构在喷油阀(10)上具有一个筋条(18)，而在容纳部(20，22，24)上具有一个与之配合的槽(26)。
2.按权利要求1所述的内燃机，其特征在于，筋条(18)设在一个用于连接气门控制机构的一个插接连接件(16)的托架(14)上。
3.按权利要求1或2所述的内燃机，其特征在于，汽缸盖(21)具有一个凸缘，用于喷油阀(10)的容纳部(20，22，24)至少部分地设在此凸缘里。
CNB008186790A 2000-01-28 2000-12-22 带有喷油阀的内燃机 Expired - Lifetime CN1244753C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10003603A DE10003603A1 (de) 2000-01-28 2000-01-28 Brennkraftmaschine mit Einspritzventilen
DE10003603.1 2000-01-28

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CN1433505A CN1433505A (zh) 2003-07-30
CN1244753C true CN1244753C (zh) 2006-03-08

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CNB008186790A Expired - Lifetime CN1244753C (zh) 2000-01-28 2000-12-22 带有喷油阀的内燃机

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US (1) US6655356B2 (zh)
EP (1) EP1254312B1 (zh)
JP (1) JP2003524103A (zh)
CN (1) CN1244753C (zh)
AT (1) ATE327426T1 (zh)
AU (1) AU2369401A (zh)
DE (2) DE10003603A1 (zh)
WO (1) WO2001055586A1 (zh)

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US20190277234A1 (en) * 2018-03-08 2019-09-12 Delphi Technologies Ip Limited Fuel injector and method of orienting an outlet of the same

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Also Published As

Publication number Publication date
EP1254312A1 (de) 2002-11-06
AU2369401A (en) 2001-08-07
CN1433505A (zh) 2003-07-30
WO2001055586A1 (de) 2001-08-02
JP2003524103A (ja) 2003-08-12
ATE327426T1 (de) 2006-06-15
US20020179043A1 (en) 2002-12-05
DE50012833D1 (de) 2006-06-29
US6655356B2 (en) 2003-12-02
EP1254312B1 (de) 2006-05-24
DE10003603A1 (de) 2001-08-02

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