EP1114251B1 - Brennstoffeinspritzventil - Google Patents
Brennstoffeinspritzventil Download PDFInfo
- Publication number
- EP1114251B1 EP1114251B1 EP00952923A EP00952923A EP1114251B1 EP 1114251 B1 EP1114251 B1 EP 1114251B1 EP 00952923 A EP00952923 A EP 00952923A EP 00952923 A EP00952923 A EP 00952923A EP 1114251 B1 EP1114251 B1 EP 1114251B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- actuator
- housing
- valve
- fuel injection
- injection valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000446 fuel Substances 0.000 title claims description 73
- 238000002347 injection Methods 0.000 title claims description 41
- 239000007924 injection Substances 0.000 title claims description 41
- 239000000945 filler Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000994 depressogenic effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003716 rejuvenation Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
-
- 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
- F02M51/005—Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus
Definitions
- the invention is based on a fuel injection valve according to the preamble of the main claim.
- From DE 40 05 455 A1 is a fuel injection valve according to the preamble of the main claim.
- the resulting from this document fuel injector has a piezoelectric actuator and one actuated by means of a valve needle Valve closing body, with a valve seat to a Sealing seat cooperates, on.
- the actuator is at the Abspritzseite opposite end of the fuel injection valve arranged and spread over the cross section the fuel injection valve extending spring diaphragm against a side and in Abspritzides below the Federmembran imported fuel sealed.
- the Spring diaphragm therefore divides the fuel injector a fuel-filled ejection-side section and a section sealed against the fuel, in FIG to which the actuator is located.
- the sealed section of the fuel injection valve has an electrical Connection on, via an electrical supply to the Actuator is guided. The electrical connection is in a side of the valve housing of the fuel injection valve attached hole plugged.
- a disadvantage of the fuel injection valve known from DE 40 05 455 A1 is that the fuel only over one mounted on the side of the valve body and in Abspritzetti lying below the spring diaphragm Fuel inlet nozzle in the fuel injection valve can be introduced. In particular, the fuel can not on the Abspritzseite opposite end of the Valve housing introduced into the fuel injection valve become. Due to the unfavorable position of the fuel inlet nozzle will be both the length and the Diameter of the fuel injection valve increased.
- Another disadvantage is that the actuator is not against the parting line between the valve housing and the electrical connection penetrating substances, such. B. leak oil and leak fuel, is protected.
- the Connection of the electrical connection with a electrical contact of the actuator consuming, as the actuator over an end opening is inserted into the valve housing and the electrical connections on the side of the actuator are guided.
- a pump injector is already known, with the one under pressure Stagnant fuel can be discharged.
- the injector has a valve housing, in which a piezoelectric actuator is arranged, wherein an actuator housing against the Cooling the actuator flowing around the fuel is sealed.
- the piezoelectric actuator cooperates with a pump piston through which a fuel pressure chamber or a pump chamber is determined.
- a fuel inlet and a Check valve the fuel flows into the pump chamber, from which he at Excitation of the piezoelectric actuator pressurized flows out in the direction of a nozzle and there is hosed.
- valve housing and the actuator housing face each other adjacent recesses, wherein the actuator housing with one end in one Edge region of the recess rests against the valve housing.
- To the recess in the Valve housing join two holes of a spacer, which within the Actuator housing is seated on the actuator and on the other side of the valve body supported. Through the recess in the valve body and the holes in the spacer body are sealed against the fuel passage openings formed by the electrical supply lines for the actuator run.
- the spacer is made of one electrically non-conductive, elastically non-deformable material such as ceramic produced.
- the fuel injection valve according to the invention with the characterizing features of the main claim has In contrast, the advantage that the actuator completely is sealed, with this seal for any Fuel injectors is suitable and also a electrical supply of the actuator in a simple manner can be connected to an electrical connection.
- the electrical supply line as formed on the actuator angled contact lug.
- the filling element has a hardened Fill mass or an elastic solid. This can the filling element in a simple manner in the passage opening be introduced, it being the special form of Passage port adapts.
- the fuel injection valve a plastic sheath comprising the filling element covers the passage opening. This is another Protection of the passage opening and the passage opening filling filling element, in particular against mechanical Stress given, the plastic casing with the electrical supply line an electrical connection can form.
- valve housing and the actuator housing formed space in the Edge region of the passage opening to the passage opening continuously rejuvenated.
- the valve housing and the actuator housing bent towards each other, wherein the Recesses of the valve housing and the actuator housing immediately adjacent to each other, so that the seal manufacturing technology simplified.
- valve housing is also advantageous that a between the Valve housing and the actuator housing trained Gap for attaching the actuator housing to the Valve housing in a region of another recess of the Valve body continuously tapers.
- the valve housing is applied to the actuator housing, whereby a stabilizing system of the actuator housing on the Valve housing is achieved, with a fastening the actuator housing on the valve body a simple trainee attachment of the actuator in the fuel injection valve given is.
- the valve housing to form the steadily tapering gap in the area at least a recess of the valve housing one inside having a bent lateral surface.
- valve housing is at least a recess of the valve housing with a circumferential Weld seam connected to the actuator housing. This is one Reliable positive and cohesive connection given the age-resistant and long-term stable seal and attachment allows.
- Fig. 1 shows in an excerpt axial Sectional view of an inventive fuel injection valve 1, wherein the section II in Fig. 2 again is shown enlarged.
- the fuel injection valve 1 serves in particular for the direct injection of fuel, in particular of gasoline, into a combustion chamber of a mixture-compression, spark-ignited internal combustion engine so-called gasoline direct injection valve.
- fuel injector 1 is also suitable for other applications.
- the fuel injection valve 1 has a valve housing 2 and one connected to the valve housing 2 Fuel inlet 3 on. At one with the Valve housing 2 connected valve seat body 4 is a Valve seat surface 5 formed with one of a Valve needle 6 operable valve closing body 7 to a Tight fit together. In this embodiment the valve closing body 7 with the valve needle 6 in one piece formed, wherein the valve needle 6 a section 8 with reduced diameter.
- the valve needle 6 is by valve needle guides 9 and 10 in the axial direction with respect to the valve axis 11 out. To the flow of To allow fuel, have the valve needle guides 9, 10 recesses 12a, 12b; 13a, 13b.
- a Actuator housing 15 Inside the valve housing 2 of the Fuel injection valve 1 is one of a Actuator housing 15 surrounded piezoelectric or magnetostrictive actuator 16, which is at an upper End face 17 on a pressure plate 18 of the actuator housing 15th is applied.
- the actuator 16 is located at a lower End face 19 on a pressure plate 20, which with the Valve needle 6 is connected.
- the pressure plate 18th via a peripheral weld 21 with an actuator pot 22 the actuator housing 15 is connected.
- a tubular space 23rd Over which the fuel from the Fuel inlet 3 in the direction of the from Valve-closing body 7 and the valve seat surface 5 formed Sealing seat is passed.
- the Aktortopf 22 has at its discharge end a Section 24 with reduced diameter. To the Section 24 is formed a recess through which the valve needle 6 protrudes. An actuator space 25 is over a seal 26, in particular as an elastomeric seal may be formed, against the fuel in the tubular Gap 23 sealed.
- the actuator 16 is connected via a compression spring 30, located on a Inner surface 31 of the Aktortopfes 22 and the pressure plate 20th supported, subjected to a bias.
- a compression spring 30 located on a Inner surface 31 of the Aktortopfes 22 and the pressure plate 20th supported, subjected to a bias.
- About one annular support member 32 supports the Actuator 15 on the fuel inlet 3 from.
- To the Flow of fuel to allow, has the Supporting element 32 recesses 33a, 33b.
- Actuator 16 is subjected to an electrical voltage, whereby it expands and on the pressure plate 20 on the valve needle 6 acts, whereby the valve closing body 7 lifts off from the valve seat surface 5 of the valve seat body 4 and the fuel z. B. over at the valve needle. 6 formed swirl grooves 34 from the fuel injection valve 1 is sprayed.
- the actuator 16 is connected to an electrical contact 35 with a angled end of an electrical lead 37 connected.
- the electrical supply line 37 as Be formed contact flag.
- the connection can be the angled end 36 with the electrical contact 35th be given over a solder joint.
- the Aktordopf 15 and the valve housing 2 have adjacent to each other Recesses 38, 39 (Fig. 2), through which the electrical Feed line 37 protrudes.
- the valve housing 2 is in one Edge region 40 of the recesses 38, 39 with the Actuator housing 15 connected, whereby one against the fuel sealed passage opening 41 is formed.
- the Attachment of the valve housing 2 to the actuator housing 15th takes place in this embodiment by a circumferential Weld 42.
- the passage opening 41 is provided with a Filled filling element 43, wherein the electrical supply line 37th fixed by the filling element 43 in the through hole 41 and supported.
- the filling element 43 can be given by several materials be. It is advantageous if the filling element 43 by a is given curing filler, since the filling in the Through hole 41 can be injected and they themselves thus to the passage opening 41 and the electrical Feed line 37 adapts, so that after curing of the filling compound the Filler 43 even with a structurally different manufacturing the passage opening 41 reliably seals the actuator 16. Another possibility is that the filling element 43 as an elastic solid, especially as Plastic ring is formed, the at least one Has recess so that the filling element 43 also at already soldered angled end 36 to the actuator 16 in the passage opening 41 can be introduced.
- the valve body 2 and the Fuel inlet 3 at least partially with a plastic sheath 44 enclosed, wherein the Plastic casing 44 to protect the through hole 41st extends over this, so that the filling element 43 of the Plastic sheath 44 is covered.
- the electric Feed line 37 extends into a connection element 45, the Part of the plastic casing 44 is, whereby a electrical connector is formed.
- Fig. 3 shows a section along the in Fig. 2 with III designated cutting line.
- the electrical lead 37 has two electr. contacts 37 a, 37 b, which are guided through the passage opening 41 are.
- the passage opening 41 For fixing the electrical supply line 37 of the actuator 16 is the passage opening 41 with the filling element 43 filled. This will connect the electrical Supply line 37 mechanically relieved with the actuator 16.
- the electrical supply line 37 in this Embodiment without own electrical insulation to the Actuator 16 be guided when an electrically insulating Filling element 43 for filling the passage opening 41 is used, since the two contacts 37a, 37b of the electrical supply line 37 reliably isolated from each other are.
- the filling element 43 is also the Through opening 41 closed, so that an ingress of Substances, in particular liquids such as water, gasoline and leak oil, is prevented.
- Fig. 4 shows another embodiment of a Fuel injection valve according to the invention 1.
- the valve housing 2 another Recess 51 on.
- the valve housing 2 is for formation a continuously tapered intermediate space 52 in the area the further recess 51 of the valve housing 2 for Actuator housing 15 bent out so that the valve housing 2 in Edge region of the further recess 51 one inside has bent lateral surface 53.
- a circumferential weld 54 is the edge of the Recess 51 inwardly bent valve housing 2 with the actuator housing 15 is connected.
- the actuator housing 15 is both over the circumferential Weld 42 as well as over the circumferential weld 54 connected to the valve housing 2.
- the actuator housing 15 can also over Support elements, such. B. the support member 32 in Fig. 1st and 2, which also in the tubular space 23rd can be arranged, supported on the valve housing 2 be.
- Fig. 5 shows another embodiment of the Inventive fuel injector.
- the electrical lead 37a, 37b is in this Embodiment in the area 60 with the filling element 43 in fixed a through hole 41, not shown.
- the electrical supply line 37a, 37b also outside the area 60 of the through hole 41 with the Surrounding filling element 43, so that the electrical supply line 37a, 37b also outside the area 60, that is in one Area 61, is fixed by the filling element 43.
- This is especially advantageous when high mechanical Loads on the leads 37a, 37b to the actuator 16 to are expected, as they are z. B. occur when the fuel injector 1 after introduction of the filling element 43 with one the supply line 37a, 37b at least partially enclosing plastic sheath is provided.
- the ends 62a, 62b of the electrical lead 37a, 37b fixed in a defined position, so that in advantageously by the encapsulation 44 and the ends 62a, 62b is given an electrical connection.
- the invention is not limited to those described Embodiments limited. In particular, is suitable the invention also for an interior opening Fuel injection valve 1.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Description
- Fig. 1
- ein erstes Ausführungsbeispiel des erfindungsgemäßen Brennstoffeinspritzventils;
- Fig. 2
- den in Fig. 1 mit II bezeichneten Ausschnitt;
- Fig. 3
- den in Fig. 2 mit III bezeichneten Schnitt;
- Fig. 4
- ein weiteres Ausführungsbeispiel des erfindungsgemäßen Brennstoffeinspritzventils; und
- Fig. 5
- ein weiteres Ausführungsbeispiel des erfindungsgemäßen Brennstoffeinspritzventils.
Claims (9)
- Brennstoffeinspritzventil (1), insbesondere Einspritzventil für Brennstoffeinspritzanlagen von Brennkraftmaschinen, mit einem in einem Ventilgehäuse (2) angeordneten piezoelektrischen oder magnetostriktiven Aktor (16), der durch ein Aktorgehäuse (15) gegen den Brennstoff abgedichtet ist, und einem von dem Aktor (16) mittels einer Ventilnadel (6) betätigbaren Ventilschließkörper (7), der mit einer Ventilsitzfläche (5) zu einem Dichtsitz zusammenwirkt, wobei das Ventilgehäuse (2) und das Aktorgehäuse (15) aneinander angrenzende Aussparungen (38, 39) aufweisen und das Ventilgehäuse (2) in einem Randbereich der Aussparungen (38, 39) mit dem Aktorgehäuse (15) verbunden ist, wodurch eine gegen den Brennstoff abgedichtete Durchgangsöffnung (41) gebildet ist, die mit einem Füllelement (43) gefüllt ist, mit welchem zumindest eine elektrische Zuleitung (37) des Aktors (16) in der Durchgangsöffnung (41) fixiert ist,
dadurch gekennzeichnet, dass das Brennstoffeinspritzventil (1) eine Kunststoffummantelung (44) aufweist, welche das Füllelement (43) der Durchgangsöffnung (41) abdeckt. - Brennstoffeinspritzventil nach Anspruch 1,
dadurch gekennzeichnet, daß die elektrische Zuleitung (37) an den Aktor (16) gelötet ist. - Brennstoffeinspritzventil nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß die elektrische Zuleitung (37) als eine an dem Aktor (16) abgewinkelte Kontaktfahne ausgebildet ist. - Brennstoffeinspritzventil nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß das Füllelement (43) eine ausgehärtete Füllmasse oder ein elastischer Feststoff ist. - Brennstoffeinspritzventil nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß sich ein zwischen dem Ventilgehäuse (2) und dem Aktorgehäuse (15) ausgebildeter Zwischenraum (50) in dem Randbereich der Durchgangsöffnung (41) zu der Durchgangsöffnung (41) hin kontinuierlich verjüngt. - Brennstoffeinspritzventil nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß sich ein zwischen dem Ventilgehäuse (2) und dem Aktorgehäuse (15) ausgebildeter Zwischenraum (52) zum Befestigen des Aktorgehäuses (15) an dem Ventilgehäuse (2) in einem Randbereich einer weiteren Aussparung (51) des Ventilgehäuses (2) kontinuierlich verjüngt. - Brennstoffeinspritzventil nach Anspruch 5 oder 6,
dadurch gekennzeichnet, daß das Ventilgehäuse (2) zur Bildung des sich kontinuierlich verjüngenden Zwischenraumes (50, 52) im Randbereich zumindest einer Aussparung (38, 51) des Ventilgehäuses (2) eine nach innen durchgebogene Mantelfläche (46, 53) aufweist. - Brennstoffeinspritzventil nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, daß das Ventilgehäuse (2) an zumindest einer Aussparung (38, 51) des Ventilgehäuses (2) mit einer umlaufenden Schweißnaht (42, 54) mit dem Aktorgehäuse (15) verbunden ist. - Brennstoffeinspritzventil nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, daß das Füllelement (43) die elektrische Zuleitung (37) des Aktors (16) auch außerhalb der Durchgangsöffnung (41) zumindest teilweise umgibt.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19932760 | 1999-07-14 | ||
DE19932760A DE19932760A1 (de) | 1999-07-14 | 1999-07-14 | Brennstoffeinspritzventil |
PCT/DE2000/002279 WO2001006115A1 (de) | 1999-07-14 | 2000-07-13 | Brennstoffeinspritzventil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1114251A1 EP1114251A1 (de) | 2001-07-11 |
EP1114251B1 true EP1114251B1 (de) | 2005-01-26 |
Family
ID=7914647
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00952923A Expired - Lifetime EP1114251B1 (de) | 1999-07-14 | 2000-07-13 | Brennstoffeinspritzventil |
Country Status (5)
Country | Link |
---|---|
US (1) | US6474565B1 (de) |
EP (1) | EP1114251B1 (de) |
JP (1) | JP2003504560A (de) |
DE (2) | DE19932760A1 (de) |
WO (1) | WO2001006115A1 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6543700B2 (en) * | 2000-12-11 | 2003-04-08 | Kimberly-Clark Worldwide, Inc. | Ultrasonic unitized fuel injector with ceramic valve body |
JP4841048B2 (ja) * | 2001-03-29 | 2011-12-21 | 京セラ株式会社 | アクチュエータ及び噴射装置 |
JP4889156B2 (ja) * | 2001-03-29 | 2012-03-07 | 京セラ株式会社 | アクチュエータ及び噴射装置 |
JP4273003B2 (ja) * | 2002-04-04 | 2009-06-03 | シーメンス アクチエンゲゼルシヤフト | 噴射弁 |
DE10228353A1 (de) * | 2002-06-25 | 2004-01-15 | Daimlerchrysler Ag | Piezo-Sensors-System zur Detektion des Nadelhubs einer Einspritzdüse eines Common-Rail-Injektors |
EP1391607A1 (de) * | 2002-08-20 | 2004-02-25 | Siemens VDO Automotive S.p.A. | Dosiergerät |
DE10259799A1 (de) * | 2002-12-19 | 2004-07-29 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
EP1445471B1 (de) * | 2003-01-24 | 2006-05-17 | Siemens VDO Automotive S.p.A. | Elektrischer Anschlussadapter und Dosiergerät mit einem solchen Anschluss |
DE10310789A1 (de) * | 2003-03-12 | 2004-09-23 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
JP2006057620A (ja) * | 2004-07-20 | 2006-03-02 | Aisan Ind Co Ltd | 燃料噴射弁及び燃料噴射弁のシール方法 |
US7520269B2 (en) * | 2005-06-28 | 2009-04-21 | Advanced Global Equities And Intellectual Properties | Fuel injector nozzle assembly |
FR2888889B1 (fr) * | 2005-07-20 | 2007-08-31 | Renault Sas | Dispositif d'injection de carburant pour moteur a combustion interne |
DE102005050784A1 (de) * | 2005-10-24 | 2007-04-26 | Robert Bosch Gmbh | Kraftstoffeinspritzventile für Brennkraftmaschinen |
DE102005051438A1 (de) * | 2005-10-27 | 2007-05-03 | Daimlerchrysler Ag | Kraftstoffinjektor für eine Brennkraftmaschine |
FR2895031B1 (fr) * | 2005-12-19 | 2011-06-03 | Renault Sas | Injecteur de carburant pour moteur a combustion interne |
DE502006007633D1 (de) * | 2006-05-09 | 2010-09-23 | Continental Automotive Gmbh | Kraftstoffeinspritzsystem und ein Verfahren zum Herstellen dieses Einspritzsystems |
EP1876349B1 (de) * | 2006-07-07 | 2016-05-18 | Continental Automotive GmbH | Verfahren zur Kalibrierung von Einspritzventil |
DE602006005809D1 (de) * | 2006-07-25 | 2009-04-30 | Continental Automotive Gmbh | Piezoaktoreinheit für ein Einspritzventil |
WO2008040796A1 (de) * | 2006-10-06 | 2008-04-10 | Continental Automotive Gmbh | Verfahren zum herstellen eines injektors und injektor |
DE102007047438B4 (de) * | 2007-10-04 | 2022-11-24 | Doka Gmbh | Schalungsanordnung für den Freivorbau von Brücken |
DE102009034099A1 (de) * | 2009-07-21 | 2011-01-27 | Epcos Ag | Piezoaktor mit elektrischer Kontaktierung |
DE102012203607A1 (de) * | 2012-03-07 | 2013-09-12 | Robert Bosch Gmbh | Ventil zum Zumessen eines Fluids |
CN102641545B (zh) * | 2012-05-08 | 2013-04-17 | 浙江康康医疗器械有限公司 | 能够自动组装一次性输液器的调速器壳与导管的装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3194162A (en) * | 1962-11-15 | 1965-07-13 | Clevite Corp | Piezoelectric fuel injector |
JPS57136859U (de) | 1981-02-18 | 1982-08-26 | ||
JPS60104762A (ja) * | 1983-11-10 | 1985-06-10 | Nippon Soken Inc | 電歪式アクチュエータ及びそれを用いた燃料噴射弁 |
DE3533085A1 (de) * | 1985-09-17 | 1987-03-26 | Bosch Gmbh Robert | Zumessventil zur dosierung von fluessigkeiten oder gasen |
DE4005455A1 (de) * | 1989-02-28 | 1990-08-30 | Volkswagen Ag | Zumessventil, insbesondere kraftstoff-einspritzventil fuer eine brennkraftmaschine |
DE69911670T2 (de) * | 1998-02-19 | 2004-08-12 | Delphi Technologies, Inc., Troy | Kraftstoffeinspritzventil |
DE19919313B4 (de) * | 1999-04-28 | 2013-12-12 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
-
1999
- 1999-07-14 DE DE19932760A patent/DE19932760A1/de not_active Withdrawn
-
2000
- 2000-07-13 US US09/787,141 patent/US6474565B1/en not_active Expired - Fee Related
- 2000-07-13 JP JP2001510722A patent/JP2003504560A/ja active Pending
- 2000-07-13 EP EP00952923A patent/EP1114251B1/de not_active Expired - Lifetime
- 2000-07-13 WO PCT/DE2000/002279 patent/WO2001006115A1/de active IP Right Grant
- 2000-07-13 DE DE50009353T patent/DE50009353D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1114251A1 (de) | 2001-07-11 |
DE50009353D1 (de) | 2005-03-03 |
DE19932760A1 (de) | 2001-01-18 |
US6474565B1 (en) | 2002-11-05 |
JP2003504560A (ja) | 2003-02-04 |
WO2001006115A1 (de) | 2001-01-25 |
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