CN1239535A - 可电磁驱动的阀 - Google Patents
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- 239000000446 fuel Substances 0.000 claims abstract description 11
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 238000002485 combustion reaction Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 230000004323 axial length Effects 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000013011 mating Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
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- 230000015572 biosynthetic process Effects 0.000 description 3
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- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical group [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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- 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
- F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
- F02M51/0671—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto
- F02M51/0682—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto the body being hollow and its interior communicating with the fuel flow
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- 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
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
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Abstract
可电磁驱动的阀,设有一个轴向可移动的阀针(6),该阀针由一个衔铁(12)、一个阀关闭体(13)和一个连接该两部分的连接件(14)构成。管形连接件(14)具有一个纵向伸展的缝槽(51),该缝槽在朝向阀关闭体(13)的端部(56)由于板出口部分的扩大而具有比其余轴向伸展部分更小的开口宽度。阀关闭体(13)借助一焊缝(16)在避免产生缩松条件下被非常可靠地固定在连接件(14)的下端部(56)上。该阀尤其适用于混合压缩外源点火内燃机的燃料喷射装置中。
Description
已有技术
本发明涉及一种独立权利要求所述种类的可电磁驱动的阀。DE—PS3831196已公开一种可电磁驱动的阀,它具有一个可在阀座支架的通孔内轴向移动的阀针。该阀针由一个圆筒形衔铁、一个球形阀关闭体和一个使两部件彼此连接的管形或套筒形连接件组成。该连接件由一种平的金属板制成,它被依次滚压或弯曲,直至它成为圆柱式、套筒形的形状。在这种形状下,连接件具有一个在其整个轴向长度上延伸的缝槽,它或者可以平行于阀纵轴线,或者与阀纵轴线相倾斜伸展。所用金属板的两个沿纵向延伸的端面与它们以等距离间隔形成的缝槽相对。当借助激光(连续波激光)形成焊缝从而实现连接件与阀关闭件之间牢固连接时,在相对较宽的缝槽上形成不利的缩孔。其中,在融化材料较少并因此其材料向内下陷的区域便形成缩孔。在这种情况下,焊缝在形成缺陷的位置具有一个浅窝凹面下陷。虽然激光束在扫过缝槽时不被衰减,但焊缝在缝槽部位甚至可出现间断。
由DE—OS4008675已公开了一种可电磁驱动的阀,其中,阀关闭体借助焊缝被固定在连接件上,在此,焊缝至少在纵向缝槽部位或在圆周方向的其它位置出现间断。
本发明的优点
本发明具有独立权利要求所述特征的可电磁驱动的阀具有以下优点,即它可以尤其简单的形式及方式低成本制造。这主要是由于连接件允许相对较大的公差。在小重量和大的稳定性下,连接件具有大面积的液体通流截面。由于缝槽在整个轴向长度上延伸,连接件具有弹簧弹性,与衔铁和阀关闭体的连接变得更加容易。借助弹性柔度,连接件在压力作用下可被推入衔铁的内开口内,从而在装配衔铁时可避免形成碎屑。另一方面,阀关闭体可被很简单和可靠地固定在连接件的背向衔铁的端部上,因为此处缝槽具有明显减小的开口宽度。当采用贯通激光焊接(连续波激光)而将阀关闭体固定在连接件上时,以有利的方式形成焊缝,该焊缝无明显的间断。缝槽宽度在连接件端部的减小导致焊接横截面变大并从而几乎避免在缝槽边缘的焊缝产生缩孔。由非磁性材料制成的连接件的缝槽避免了形成所不希望的涡流。
通过从属权利要求提出的特征,独立权利要求中所述阀的拓展和完善成为可能。
尤其具有优点的是,连接件由一种金属板制成,即首先冲压出基本呈矩形的板段,并再被滚压或弯曲。连接件的缝槽以如下方式形成,即金属板段的每个纵向伸展的端面以较小的间隔彼此对置。
设置成例如球形的阀关闭体可通过360°环绕的焊缝以具有优点的方式牢固地固定在连接件的缝槽收缩的端部,该焊缝具有很高的动力学强度。
具有优点的是,在连接件的朝向阀关闭体的下端部在圆周上与缝槽正如相反对置设有一个开槽,借助该开槽可确保阀针的冲洗。开槽以具有优点的方式呈液滴形,其中,在连接件的下端面具有很小的开口宽度。因此,焊缝间断的危险被明显降低。开槽处的焊缝缩孔则变得无关紧要了,因为此处的动力学负载远远小于在连接件整个轴向长度上延伸的缝槽上的负载。
同样具有优点的是,连接件的壁设有多个穿过它的射流孔,以便避免由阀中流动比率对喷射燃料产生所不希望的影响。
附图
本发明的实施例在附图中被简意示出并在下面的说明中被进一步解释。
图1部分示出了可电磁驱动的阀;
图2示出了用于成形可轴向移动的阀针的连接部件的金属板段;
图3则示出了作为单独部件的连接件。
实施例的说明
在图1中,作为实施例部分示出了一个可电磁操纵的阀,其形式为混合压缩外源点火式内燃机的燃料喷射装置的喷油阀。该阀具有一个管形阀座支架1,在该阀座支架中,与阀纵轴线2同轴构造了一个纵向孔 3。在该纵向孔3内设有一个可轴向移动的阀针6。
该阀的电磁操纵以已公开的方式实现。一个带有一电磁线圈10,一个铁心11及一个衔铁12的仅部分示出的电磁回路被用来使阀针轴向移动并因此克服回位弹簧8的弹力而打开阀或关闭阀。阀针6由衔铁12、一个例如球形的阀关闭体13及一个连接该两部件的连接件14组成,其中,该连接件14具有管形的外形。回位弹簧8利用其下端支承在连接件14的上端面上。衔铁12通过焊缝15与连接件14的背向阀关闭体13的一端相连并对准铁心11。此外,阀关闭体13例如也通过焊缝16与连接件14的背向衔铁12的一端牢固地连在一起。电磁线圈10包围铁心11,该铁心代表一个未尽一步示出的燃料输入套管的被电磁线圈10包围的端部,该套管在此用来传送待借助该阀定量配送的介质、即燃料。
一管形金属中间件19例如通过焊接与阀纵轴线2同轴线且密封地与铁心11的下端及与阀座支架1连在一起。在阀座支架1顺流向下的背向铁心11的端部,一个圆柱形阀座体25通过焊接密封地安装在与阀纵轴线2同轴线伸展的纵向孔3内。阀座体25向着铁心具有一个固定的阀座26。
电磁线圈10由至少一个例如设置成卡箍式的、作为铁磁元件的传导元件30在其圆周方向至少部分地包围,该传导元件的一端紧贴在铁心11上,而另一端紧贴在阀座支架1上并通过熔焊,钎焊或粘接与它们相连。
阀座体25的一个导向孔31用于阀关闭体13在轴向运动时的导向。在阀座体的背向阀关闭体13的下端32,阀座体25与一个例如设置成锅形的喷射孔板34同轴线并且固定地相连。阀座体25与喷射孔板34的连接例如通过环绕的、密封的、如借助激光形成的焊缝45来实现。通过这种装配形式,避免了喷射孔板34在其至少一个,例如四个腐蚀或冲压成的喷孔46的区域出现所不希望的变形。
由阀座体25和喷射孔板34组成的阀座部分插入纵向孔3内的深度基本确定了阀针6的行程的调节,因为,阀针6当电磁线圈10未被激磁时的一个终端位置由阀关闭体13靠置在阀座体25的阀座26的表面上来确定。当电磁线圈10被激磁时,阀针6的另一终端位置例如由衔铁12的上端面22靠置在铁心11的下端面35上来确定。阀针6的这两个终端位置之间的距离即为该行程。
球形阀关闭体13与阀座体25的阀座26的沿流动方向呈截锥形逐渐收缩的表面一同起作用,该阀座面处在阀座体25的导向孔31的下游。导向孔31具有至少一个流动通道27,它使介质朝阀座体25的阀座26方向流动成为可能。此外,也可将流动通道以槽或削平的形式设置在阀关闭体13上。
图3示出了本发明的阀针6的连接件14作为单一部件在与衔铁12和阀关闭体13固定连接前的情况,而图2示出了制成连接件14的金属板段50。在连接件14的上游端部成形出一个例如环形倒角48。在管形、或套筒形连接件14的壁上设有一个纵向伸展的、径向完全穿透该壁的缝槽51,它延伸在连接件14的整个长度上,其中,至少有两个轴向延伸的区段,它们在连接件14圆周方向具有不同缝槽宽度。
通过该缝槽51,从铁心11流入内部纵向孔52的燃料向外到达阀座支架1的纵向孔3内。通过阀座体25内或阀关闭体13的圆周上的流动通道27,燃料到达阀座26并到达设在下游的喷射孔46,通过该喷射孔,燃料被喷入内燃机的进气管或汽缸。缝槽51提供了大面积的液体流动截面,燃料通过该截面可快速从内部纵向孔52到达纵向孔3。这种薄壁的连接件14确保了在低重量条件下的更大稳定性。
为了避免可能不对称流到阀座26的燃料对从喷射孔46喷射的燃料的喷射形状的不利影响,连接件14可设置多个穿透连接件14壁的流动孔55。例如呈圆形的并通过冲压已在金属板段50内形成的流动孔55仅在图2的金属板段50内及在图3的连接件14上举例示出。在此,例如12个流动孔55交错地以2个1列和3个1列安置在金属板段50内。流动孔55的数量或位置方面的改变可毫无问题地实现。
连接件14这样来制成,即用一种平的、具有连接件14管壁厚度的金属板例如通过冲压制成如图2所示基本呈矩形的板段50。金属板段50具有一个较长的边和一个较短的边,其中,较长的边与所制成的连接件14在轴向的长度对应,而较短的边与所制成的连接件的圆周大致对应。金属板段50在阀关闭体13此后要被固定在其上面的端部56上在两纵向侧各有一个伸出于原矩形轮廓的、对称的扩大或称加宽部分57。
在金属板段50被冲压出上述形状之后,各板段借助一个心轴被滚压或弯曲成所希望的连接件14的形状。其中,构成连接件14的板段50的各纵向伸展的端面形成缝槽51,即它们以小的间隔彼此对置。而缝槽51在圆周方向的宽度在其大部分纵向伸展段例如为0.5mm,而在带有加宽部分57的范围内,缝槽段58的缝槽宽度减小到约0.1mm。
在板段50的下端选择性地设有一个开槽59,它这样来设置,即它在滚压成的连接件14的圆周上正好与缝槽51相反对置。例如呈液滴形构造的开槽59在下端60仅具有很小的开口宽度,不过它离开端面变宽,加大或变胖。开槽59也可以考虑采用不同于图2所示轮廓的其它轮廓(灯泡形、球形、倒U形)。借助开槽59,避免当阀关闭体13焊上后由于在下端部56的缝槽部分58内的缝槽51很窄而在连接件14内形成盲孔。也完全确保了阀针6的清洗。
用板段50制造连接件14是特别简单和容易的,它允许采用不同的材料,且可采用大批量生产。通过在连接件14内设置缝槽51,使连接件14具有弹性,因此对于衔铁12的内孔和连接件14本身允许选择相对较大的公差。借助弹性柔度,连接件14在挤压下可被推入衔铁12的内孔中。
由于在端部56上缝槽部分58内缝槽51及在端侧60处选择性设置的开槽59的开口宽度很小,以及由于连接件14几乎环绕紧贴在阀关闭体13上,焊缝16可获得很高的动力学强度。连接件14与阀关闭体13之间的焊缝16例如可借助一种连续波激光器来完成。在此,阀针6可在连续激光束作用下环绕且穿透地被焊接。由于缝槽51明显缩小,而与公知开槽的阀针套管相比,焊接截面变大,因此缝槽边缘上的焊缝缩松被明显降低到几乎完全避免的程度,以致于贯通的焊缝16几乎没有缺陷。开槽59区域内的动载荷远远小于在连接件14整个长度上延伸的缝槽中处的载荷,因此开槽59上可能出现的焊缝16的最小中断也无关紧要。
Claims (8)
1、可电磁驱动的阀,尤其是用于混合压缩外源点火式内燃机的燃料喷射装置的喷射阀,具有一个阀纵轴线(2)、一个由电磁线圈(10)至少部分包围的铁心(11)、一个衔铁(12)、与一阀座(26)配合作用的阀关闭体(13)、一个将衔铁(12)和阀关闭体(13)连接起来的管形连接件(14),其中,连接件(14)带有一个穿过壁体的缝槽(51),该缝槽在连接件(14)的整个轴向长度上伸展,其特征是,缝槽(51)在朝向阀关闭体(13)的端部(56)在一个缝槽部分(58)内具有比它的其余轴向延伸段更小的开口宽度。
2、按照权利要求1所述的阀,其特征是,连接件(14)由一种金属板构成。
3、按照权利要求1或2所述的阀,其特征是,缝槽(51)在端部(56)的开口宽度仅为其余延伸段的开口宽度的约20%。
4、按照上述权利要求之一所述的阀,其特征是,连接件(14)的壁设有至少一个穿过它的通流孔(55)。
5、按照权利要求1所述的阀,其特征是,在连接件(14)的端部(56)的圆周上,正好与缝槽(51)相反对置设置了一个向下端侧(60)敞开的开槽(59)。
6、按照权利要求5所述的阀,其特征是,开槽(59)被构造成液滴状,其中,开口宽度朝端侧(60)方向逐渐变小。
7、按照权利要求2所述的阀,其特征是,连接件(14)可通过冲压及随后的滚压或弯曲制成。
8、按照权利要求7所述的阀,其特征是,为制造连接件(14)而由金属板冲压出的板段(50)具有基本上矩形的形状,其中,在该板段(50)的端部(56)在其纵向侧设置了略微向外凸出的扩大部分(57)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19739850.2 | 1997-09-11 | ||
DE19739850A DE19739850A1 (de) | 1997-09-11 | 1997-09-11 | Elektromagnetisch betätigbares Ventil |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1239535A true CN1239535A (zh) | 1999-12-22 |
CN1091218C CN1091218C (zh) | 2002-09-18 |
Family
ID=7841950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98801327A Expired - Lifetime CN1091218C (zh) | 1997-09-11 | 1998-07-17 | 可电磁驱动的阀 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6089475A (zh) |
EP (1) | EP0937201B1 (zh) |
JP (1) | JP3998729B2 (zh) |
KR (1) | KR100573185B1 (zh) |
CN (1) | CN1091218C (zh) |
BR (1) | BR9806168A (zh) |
DE (2) | DE19739850A1 (zh) |
WO (1) | WO1999013212A1 (zh) |
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US20010002680A1 (en) | 1999-01-19 | 2001-06-07 | Philip A. Kummer | Modular two part fuel injector |
GB9914642D0 (en) * | 1999-06-24 | 1999-08-25 | Lucas Ind Plc | Fuel injector |
DE10014962A1 (de) * | 2000-03-25 | 2001-10-04 | Gsf Forschungszentrum Umwelt | Pulsbares Kapillarventil |
US6676044B2 (en) * | 2000-04-07 | 2004-01-13 | Siemens Automotive Corporation | Modular fuel injector and method of assembling the modular fuel injector |
US6481646B1 (en) | 2000-09-18 | 2002-11-19 | Siemens Automotive Corporation | Solenoid actuated fuel injector |
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US6520422B2 (en) | 2000-12-29 | 2003-02-18 | Siemens Automotive Corporation | Modular fuel injector having a low mass, high efficiency electromagnetic actuator and having a terminal connector interconnecting an electromagnetic actuator with an electrical terminal |
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US6607143B2 (en) | 2000-12-29 | 2003-08-19 | Siemens Automotive Corporation | Modular fuel injector having a surface treatment on an impact surface of an electromagnetic actuator and having a lift set sleeve |
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US6502770B2 (en) | 2000-12-29 | 2003-01-07 | Siemens Automotive Corporation | Modular fuel injector having a snap-on orifice disk retainer and having a terminal connector interconnecting an electromagnetic actuator with an electrical terminal |
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US6523756B2 (en) | 2000-12-29 | 2003-02-25 | Siemens Automotive Corporation | Modular fuel injector having a low mass, high efficiency electromagnetic actuator and having a lift set sleeve |
US6523761B2 (en) | 2000-12-29 | 2003-02-25 | Siemens Automotive Corporation | Modular fuel injector having an integral or interchangeable inlet tube and having a lift set sleeve |
US6523760B2 (en) | 2000-12-29 | 2003-02-25 | Siemens Automotive Corporation | Modular fuel injector having interchangeable armature assemblies and having a terminal connector interconnecting an electromagnetic actuator with an electrical terminal |
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US6695232B2 (en) | 2000-12-29 | 2004-02-24 | Siemens Automotive Corporation | Modular fuel injector having interchangeable armature assemblies and having a lift set sleeve |
US6655609B2 (en) | 2000-12-29 | 2003-12-02 | Siemens Automotive Corporation | Modular fuel injector having a low mass, high efficiency electromagnetic actuator and having an integral filter and o-ring retainer assembly |
US6550690B2 (en) | 2000-12-29 | 2003-04-22 | Siemens Automotive Corporation | Modular fuel injector having interchangeable armature assemblies and having an integral filter and dynamic adjustment assembly |
US6568609B2 (en) | 2000-12-29 | 2003-05-27 | Siemens Automotive Corporation | Modular fuel injector having an integral or interchangeable inlet tube and having an integral filter and o-ring retainer assembly |
US6499668B2 (en) | 2000-12-29 | 2002-12-31 | Siemens Automotive Corporation | Modular fuel injector having a surface treatment on an impact surface of an electromagnetic actuator and having a terminal connector interconnecting an electromagnetic actuator with an electrical terminal |
US6565019B2 (en) | 2000-12-29 | 2003-05-20 | Seimens Automotive Corporation | Modular fuel injector having a snap-on orifice disk retainer and having an integral filter and O-ring retainer assembly |
US6511003B2 (en) | 2000-12-29 | 2003-01-28 | Siemens Automotive Corporation | Modular fuel injector having an integral or interchangeable inlet tube and having a terminal connector interconnecting an electromagnetic actuator with an electrical terminal |
US6676043B2 (en) | 2001-03-30 | 2004-01-13 | Siemens Automotive Corporation | Methods of setting armature lift in a modular fuel injector |
US6904668B2 (en) | 2001-03-30 | 2005-06-14 | Siemens Vdo Automotive Corp. | Method of manufacturing a modular fuel injector |
US6687997B2 (en) | 2001-03-30 | 2004-02-10 | Siemens Automotive Corporation | Method of fabricating and testing a modular fuel injector |
US7093362B2 (en) | 2001-03-30 | 2006-08-22 | Siemens Vdo Automotive Corporation | Method of connecting components of a modular fuel injector |
US7621469B2 (en) * | 2006-11-29 | 2009-11-24 | Continental Automotive Canada, Inc. | Automotive modular LPG injector |
KR101134836B1 (ko) | 2010-08-27 | 2012-04-13 | 현대자동차주식회사 | 엔진의 인젝터 |
JP6061074B2 (ja) * | 2012-09-28 | 2017-01-18 | 株式会社ケーヒン | 燃料噴射弁 |
JP5990848B2 (ja) * | 2012-09-28 | 2016-09-14 | 株式会社ケーヒン | 燃料噴射弁 |
JP5995073B2 (ja) * | 2012-09-28 | 2016-09-21 | 株式会社ケーヒン | 燃料噴射弁 |
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DE3831196A1 (de) * | 1988-09-14 | 1990-03-22 | Bosch Gmbh Robert | Elektromagnetisch betaetigbares ventil |
DE4003228A1 (de) * | 1990-02-03 | 1991-08-22 | Bosch Gmbh Robert | Elektromagnetisch betaetigbares ventil |
DE4008675A1 (de) | 1990-03-17 | 1991-09-19 | Bosch Gmbh Robert | Elektromagnetisch betaetigbares ventil |
US5199648A (en) * | 1991-03-20 | 1993-04-06 | Zexel Corporation | Fuel injection valve |
DE4131500A1 (de) * | 1991-09-21 | 1993-03-25 | Bosch Gmbh Robert | Elektromagnetisch betaetigbares einspritzventil |
DE4229730A1 (de) * | 1992-09-05 | 1994-03-10 | Bosch Gmbh Robert | Elektromagnetisch betätigbares Brennstoffeinspritzventil |
-
1997
- 1997-09-11 DE DE19739850A patent/DE19739850A1/de not_active Withdrawn
-
1998
- 1998-07-17 DE DE59804720T patent/DE59804720D1/de not_active Expired - Lifetime
- 1998-07-17 US US09/297,957 patent/US6089475A/en not_active Expired - Fee Related
- 1998-07-17 EP EP98945005A patent/EP0937201B1/de not_active Expired - Lifetime
- 1998-07-17 BR BR9806168-2A patent/BR9806168A/pt not_active IP Right Cessation
- 1998-07-17 JP JP51489899A patent/JP3998729B2/ja not_active Expired - Lifetime
- 1998-07-17 KR KR1019997004130A patent/KR100573185B1/ko not_active IP Right Cessation
- 1998-07-17 WO PCT/DE1998/002003 patent/WO1999013212A1/de active IP Right Grant
- 1998-07-17 CN CN98801327A patent/CN1091218C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR20000068946A (ko) | 2000-11-25 |
EP0937201A1 (de) | 1999-08-25 |
DE19739850A1 (de) | 1999-03-18 |
DE59804720D1 (de) | 2002-08-14 |
KR100573185B1 (ko) | 2006-04-24 |
JP2001504917A (ja) | 2001-04-10 |
US6089475A (en) | 2000-07-18 |
JP3998729B2 (ja) | 2007-10-31 |
EP0937201B1 (de) | 2002-07-10 |
WO1999013212A1 (de) | 1999-03-18 |
BR9806168A (pt) | 1999-10-19 |
CN1091218C (zh) | 2002-09-18 |
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