EP1600627A1 - Steuerventil - Google Patents
Steuerventil Download PDFInfo
- Publication number
- EP1600627A1 EP1600627A1 EP05010378A EP05010378A EP1600627A1 EP 1600627 A1 EP1600627 A1 EP 1600627A1 EP 05010378 A EP05010378 A EP 05010378A EP 05010378 A EP05010378 A EP 05010378A EP 1600627 A1 EP1600627 A1 EP 1600627A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control valve
- diameter
- valve according
- sealing
- angle
- 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.)
- Granted
Links
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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
-
- 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
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0014—Valves characterised by the valve actuating means
- F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/02—Fuel-injection apparatus having means for reducing wear
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/04—Fuel-injection apparatus having means for avoiding effect of cavitation, e.g. erosion
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/16—Sealing of fuel injection apparatus not otherwise provided for
Definitions
- control valve It is known for controlling injection injectors for Internal combustion engines to use a control valve that the Actuating movements of the valve closing member controls.
- One such control valve has a liftable, Control piston, for example, solenoid or piezobetätigt can be.
- the control piston lies with a front side in the Area of a closing head in a pressure chamber, on the one throttled, from a control chamber of the valve closure member outgoing high-pressure side inlet opens, and of the a throttled and controlled by the control piston Expired.
- the control chamber of the valve closure member is in throttled connection with a high-pressure line.
- the Actuating movements of the control piston cause pressure changes in the adjacent to the valve closure member control chamber and corresponding forces on the back of the Valve closing member.
- control valve is for example in the US 5,934,643.
- the control piston is at one of Housing wall opposite closing head with a Sealing edge formed, which, at the stop on the housing wall located, a pressure chamber against the mouth of a Low pressure connection seals.
- the on the perimeter of Control piston located pressure chamber communicates with the High pressure connection in conjunction with that on the Rear side of the valve closing member of the injector lying Control room leads, in turn, over a throttled Supply with a fuel-carrying high-pressure channel in Connection stands.
- the on the front side of the closing head lying sealing edge has a flat in one embodiment annular abutment surface resting on the flat housing wall supported. In another embodiment, the sealing edge formed with a cutting edge.
- the invention is based on the object, by increasing the Closing force a reliable seal even with longer Operating time and wear of the sealing edge to ensure.
- the embodiment of the sealing edge according to claim 2 with semicircular cross section is particularly favorable in Regarding the flow behavior and the avoidance of Cavitation.
- this education promises a high Resistance to wear or plastic deformation, because due to a large amount of material in the area immediately before and behind the sealing line a high mechanical strength exists.
- the sealing edge has a sharp-edged abutment edge, a cutting edge made up of two is formed against each other inclined chamfers.
- the chamfers can while straight sections or convex sections be educated. Convex sections favor in and out Outflow behavior and help to prevent cavitation. More favorable flow coefficients that are achieved thereby also provide the ability to get the required stroke out.
- claims 9 and 10 are those of the tangents at the chamfers in the cutting edge and from the stop forming housing wall included angle between 0.5 ° and 20 °. Due to the relatively flat course of both bevels In turn, there is the advantage of low wear or less permanent deformation of the sealing Diameter performing cutting edge. Because the front and back the cutting large material accumulation causes a high strength. This will cause a shift of the sealing Reduced diameter, so that the change of the Closing forces during operation is also minimized.
- the chamfers may have the same angle according to claim 11. Due to the symmetrical flattening of the cutting edge during operation a displacement of the sealing diameter inside or outside possible. To always have sufficient closing force is sufficient in this case Provide diameter stage.
- outside bevel also has the Advantage that there is the possibility of the impact of expected wear on the sealing diameter a favorable choice of bevel angle combination so too affect that in operation by wear a Enlargement of the sealing diameter yields what is synonymous with an increase in the closing forces.
- This Result is achieved when the outside bevel after Claim 12 very flat and the inside chamfer something steeper ( ⁇ ⁇ ). At a flattening of the cutting edge namely by plastic deformation namely the first outer chamfer sections with less light Distance to the contact surface in contact with the contact surface of the the sealing seat forming housing wall.
- a shift of the sealing can be Diameter inside to achieve if according to claim 13 the inside chamfer runs flatter than the outside Chamfer ( ⁇ > ⁇ ).
- the shape of the chamfer can influence the Take the direction of displacement of the sealing diameter. According to claim 14, therefore, the angles of the chamfers and / or their shape chosen so that due to the im Operation expected wear an increase in the sealing diameter results. This will become one Reduction of closing forces counteracted during operation.
- the sealing edge is according to claim 15 preferably on a Diameter corresponding to the guide diameter or is larger.
- the choice of the appropriate diameter is through through the control valve spring and the pressure forces achievable closing forces. With the choice of Sealing edge diameter also become the chamfer widths and thus the pressure forces acting on the control piston established.
- the sealing edge can also on a Diameter are smaller than the guide diameter is.
- control valve 1 which with a control piston. 2 is designed to control the opening and Closing movements of the valve closure member 20.
- the control room 19 is via a throttle with a high-pressure channel in Compound containing pressurized fuel.
- control valve 1 By the control valve 1, the control chamber 19 be relieved of pressure to a lifting movement of the Valve closure member 20 trigger, thereby characterized by his Valve seat 23 lifts.
- the pressure relief of the control room 19th is controlled by the control piston 2 of the control valve 1.
- the control piston 2 is provided with an actuator, for example an armature of a solenoid valve, not shown connected.
- By energizing the solenoid valve lifts the Control piston 2 against the force of the control valve spring 24 of from his seat and thereby gives a low pressure port 16 free. With the release of the low pressure port 16 falls the pressure in a pressure chamber 12, the over a High pressure port 15 communicates with the control room.
- control valve spring 24 pushes the Control piston 2 again sealingly against the valve plate 14, the a housing wall 13 of the pressure chamber 12 represents.
- the pressure in the Pressure chamber 12 and control chamber 19 increases and thus the am Valve closure member 20 acting in the closing direction force.
- control piston 2 of the control valve 1 in the region of Sealing seat shown.
- the control piston 2 is in a Bore 3 guided longitudinally movable.
- the hole 3 is located in the control valve housing 11.
- the control piston 2 is located with a Part of the end face 10 on the valve plate 14 and sealingly covers the low pressure port 16. In the shown position prevents the control piston 2 the Transfer from a high pressure port 16 in the Pressure chamber 12 guided fuel to the low pressure port.
- FIG. 2b shows the detail circled in FIG. 2a.
- a Gap To a certain operating time is formed by plastic Deformation as a result of the impact pulse or by Other wear, such as cavitation erosion, a Gap, leaving the actual sealing zone 5 inside emigrated.
- the sealing diameter displaced inside created by acting in the gap Fuel pressure against the control valve spring 24th directed pressure force, which lift the control piston 2 want.
- the sealing force is lower, the Fit seat leakage increases with inadmissible change of Control times and in extreme cases, the control piston 2 even completely raised, which leads to the failure of the control valve 1.
- Figure 3 shows a control valve 1, which with a Control piston 2 according to the invention is designed, whose Closing head 4 formed with a closing head diameter 6 is greater than the guide diameter 7, on the the control piston 2 is guided in the bore 3.
- the 27th diameter stepping back from the Closing head diameter 6 on the guide diameter 7 corresponds, is in the pressure chamber 12.
- By the at the Diameter step 27 attacking pressure forces is the Sealing strength increased.
- the condition is that the sealing edge 5 on a larger diameter than the Guide diameter 7.
- the poetic Diameter is from the housing wall 13 of the valve plate 14th and an end face 10 superior cutting edge of the Locking head 4 formed by two against each other inclined chamfers 8 and 9 is shown.
- the outside Chamfer 8 is the pressure prevailing in the pressure chamber 12 Exposed to fuel pressure, so here in the opening direction acting compressive forces act on the at the diameter stage 27 opposing pressure forces are opposite.
- the sealing edge 5 or the sealing edge is divided by two formed inclined chamfers, an outer chamfer 8 and an internal chamfer 9.
- the tangents 25 and 26 to the Bevel 9 and 10 in the cutting edge form with the housing wall 12th an angle ⁇ and an angle ⁇ .
- the thus formed Angles are preferably in the range between 0.5 ° and 20 °. In principle, however, any other angles are conceivable.
- the angle between the tangents is preferably given to 179 to 140 degrees, so a relatively obtuse angle.
- This relatively obtuse angle has the advantage that on the one hand a sharply defined cutting edge is formed with a sealing line, which defines the sealing diameter.
- angles ⁇ and ⁇ can be chosen to be the same size. By However, different choice of angles can be one Defined displacement direction of the sealing diameter become. It is assumed that the sealing Diameter shifts toward the shallower bevel, since the clear distance between chamfer and housing wall stop there is lower and at a plastic flattening of First cut the flatter bevel sections into place reach. So if an enlargement of the sealing Diameter is to be achieved in operation, the angle ⁇ at the outer bevel smaller than the angle ⁇ at the inner Bevel to choose. This increases over time the sealing force, as acting on the diameter stage 27 Compressive force is compensated to a lesser extent. Vice versa On the other hand, there will be a reduction of the sealing Diameter, if the inner bevel with a smaller angle ⁇ is formed as the angle ⁇ of outer bevel is.
- the shift of the sealing diameter can also still depend on other factors. It is conceivable that the Displacement of the sealing diameter due to others Factors influencing the direction described above runs. Crucial is obviously how big the Support of the chamfer by the preceding and behind it Material material is. The shape of the chamfer can also be one Role-play.
- the chamfers can not only with straight sections, but also be formed with a radius, as the figures 4a, 4b and 4d show.
- the chamfers are formed by two straight sections. at the formation of Figure 4d, the sealing edge 5 semicircular in cross section.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fuel-Injection Apparatus (AREA)
- Valve Device For Special Equipments (AREA)
- Safety Valves (AREA)
Abstract
Description
- Fig. 1
- eine Querschnittsansicht eines Injektors mit einem Steuerventil zur Steuerung des Ventilschließglieds;
- Fig. 2
- die Ausführung eines Steuerventils mit einem Steuerkolben nach dem Stand der Technik gemäß Figur 2a, wobei Figur 2b ein Detail der Figur 2a darstellt;
- Fig. 3
- eine schematische Darstellung eines Steuerventils nach der Erfindung;
- Fig. 4
- stellt, bestehend aus den Teilfiguren 4a bis 4d, verschiedene Ausführungsformen des erfindungsgemäßen Ventilschließkopfs des Steuerventils dar.
- 1
- Steuerventil
- 2
- Steuerkolben
- 3
- Bohrung
- 4
- Schließkopf
- 5
- Dichtrand
- 6
- Schließkopfdurchmesser
- 7
- Führungsdurchmesser
- 8
- Fase, außen
- 9
- Fase, innen
- 10
- Stirnfläche
- 11
- Steuerventilgehäuse
- 12
- Druckraum
- 13
- Gehäusewand
- 14
- Ventilplatte
- 15
- Hochdruckanschluss
- 16
- Niederdruckanschluss
- 17
- Mündung
- 18
- Hochdruckkanal
- 19
- Steuerraum
- 20
- Ventilschließglied
- 21 22
- Ventilfeder
- 23
- Ventilsitz
- 24
- Steuerventilfeder
- 25
- Tangente, innen
- 26
- Tangente, außen
- 27
- Durchmesserstufe
Claims (16)
- Steuerventil (1), mit einem Druckraum (12), der einen Hochdruckanschluss (15) und einen Niederdruckanschluss (16) besitzt, wobei die Mündung (17) des Niederdruckanschlusses (16) in einer den Druckraum (12) begrenzenden, dem Schließkopf (4) eines in einer Bohrung (3) axial verschieblich geführten, durch eine Steuerventilfeder (24) in Schließrichtung belasteten Steuerkolbens (2) gegenüberliegenden Gehäusewand (13) angeordnet ist, die einen Anschlag für den Schließkopf (4) bildet, wobei der Schließkopf (4) eine Stirnfläche (10) mit einem Dichtrand (5) besitzt, mit dem der Schließkopf (4) an der Gehäusewand (13) anliegt und den Mündungsbereich (17) des Niederdruckanschlusses (16) unter Bildung einer Dichtgrenze dichtend überdeckt, und wobei der Schließkopf (4) unter Aufhebung der Dichtgrenze in eine von der Gehäusewand (13) abgehobene Stellung versetzbar ist,
dadurch gekennzeichnet, dass der Schließkopfdurchmesser (6) größer ist als der Führungsdurchmesser (7) des Steuerkolbens (2), und dass die Durchmesserstufe (27), die dem Rücksprung vom Schließkopfdurchmesser (6) auf den Führungsdurchmesser (7) entspricht, im Druckraum (12) liegt. - Steuerventil nach Anspruch 1,
dadurch gekennzeichnet, dass der Dichtrand (5) im Querschnitt halbkreisförmig ausgebildet ist. - Steuerventil nach Anspruch 1,
dadurch gekennzeichnet, dass die Stirnfläche (10) des Schließkopfs (4) mit zwei gegeneinander geneigten Fasen (8, 9) ausgebildet ist, die eine gegenüber der Stirnfläche (10) vorstehende Schneide bilden. - Steuerventil nach Anspruch 3,
dadurch gekennzeichnet, dass die Fasen (8, 9) aus geraden Abschnitten gebildet sind. - Steuerventil nach Anspruch 3,
dadurch gekennzeichnet, dass die Fasen (8, 9) aus einem geraden, radial innen liegenden und einem konvexen, radial außen liegenden Abschnitt gebildet sind. - Steuerventil nach Anspruch 3,
dadurch gekennzeichnet, dass die Fasen (8, 9) aus einem geraden, radial außen liegenden und einem konvexen, radial innen liegenden Abschnitt gebildet sind. - Steuerventil nach Anspruch 3,
dadurch gekennzeichnet, dass die Fasen (8, 9) aus zwei konvexen Abschnitten gebildet sind. - Steuerventil nach einem der Ansprüche 3 bis 7,
dadurch gekennzeichnet, dass der zwischen Tangenten (25, 26) an die Fasen (8, 9) in der Schneide eingeschlossene Winkel 90 Grad oder mehr, aber weniger als 180 Grad, vorzugsweise zwischen 140 und 179 Grad beträgt. - Steuerventil nach einem der Ansprüche 3 bis 8,
dadurch gekennzeichnet, dass der von einer Tangente (26) an die außen liegende Fase (8) in der Schneide und von der den Anschlag bildenden Gehäusewand (12) eingeschlossene Winkel α zwischen 0,5 Grad und 20 Grad beträgt. - Steuerventil nach einem der Ansprüche 3 bis 9,
dadurch gekennzeichnet, dass der von einer Tangente (25) an die innen liegende Fase (9) in der Schneide und von der den Anschlag bildenden Gehäusewand (12) eingeschlossene Winkel β zwischen 0,5 Grad und 20 Grad beträgt. - Steuerventil nach Anspruch 10,
dadurch gekennzeichnet, dass die Winkel α (27) und β (28) ungefähr gleich groß sind. - Steuerventil nach Anspruch 10,
dadurch gekennzeichnet, dass der Winkel α (27) kleiner als der Winkel β (28) ist. - Steuerventil nach Anspruch 10,
dadurch gekennzeichnet, dass der Winkel α (27) größer als der Winkel β (28) ist. - Steuerventil nach einem der Ansprüche 3 bis 12,
dadurch gekennzeichnet, dass die Winkel α und β und/oder die Form der Fasen derart gewählt sind, dass sich auf Grund des Verschleißes eine Vergrößerung des dichtenden Durchmessers ergibt. - Steuerventil nach einem der Ansprüche 1 bis 14,
dadurch gekennzeichnet, dass der Dichtrand (5) auf einem Durchmesser liegt, der dem Führungsdurchmesser (7) entspricht oder größer ist. - Steuerventil nach einem der Ansprüche 1 bis 14,
dadurch gekennzeichnet, dass der Dichtrand (5) auf einem Durchmesser liegt, der kleiner als der Führungsdurchmesser (7) ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004024215A DE102004024215A1 (de) | 2004-05-15 | 2004-05-15 | Steuerventil |
DE102004024215 | 2004-05-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1600627A1 true EP1600627A1 (de) | 2005-11-30 |
EP1600627B1 EP1600627B1 (de) | 2008-07-02 |
Family
ID=34936460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05010378A Not-in-force EP1600627B1 (de) | 2004-05-15 | 2005-05-12 | Steuerventil |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1600627B1 (de) |
AT (1) | ATE399937T1 (de) |
DE (2) | DE102004024215A1 (de) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1865189A2 (de) * | 2006-06-07 | 2007-12-12 | Robert Bosch Gmbh | Kraftstoffinjektor mit einem niederdruckseitig angeordneten Piezosteller |
EP1923564A2 (de) * | 2006-11-16 | 2008-05-21 | Robert Bosch Gmbh | Kraftstoffinjektor |
EP1944500A2 (de) * | 2007-01-10 | 2008-07-16 | Robert Bosch Gmbh | Kraftstoffinjektor |
WO2009092507A1 (de) * | 2008-01-22 | 2009-07-30 | Robert Bosch Gmbh | Kraftstoffinjektor, dessen steuerventilelement einen stützbereich aufweist |
EP2123898A1 (de) * | 2008-05-21 | 2009-11-25 | Robert Bosch GmbH | Kraftstoff-Injektor |
WO2010015437A1 (de) * | 2008-08-04 | 2010-02-11 | Robert Bosch Gmbh | Kraftstoff-injektor |
EP2175124A1 (de) * | 2006-10-16 | 2010-04-14 | Ganser-Hydromag Ag | Brennstoffeinspritzventil für Verbrennungskraftmaschinen |
WO2011029829A1 (de) * | 2009-09-10 | 2011-03-17 | Robert Bosch Gmbh | Injektor |
EP2333296A1 (de) * | 2009-12-10 | 2011-06-15 | Delphi Technologies Holding S.à.r.l. | Ventilelement für eine Flüssigkeitsventilanordnung |
RU2496024C2 (ru) * | 2009-03-17 | 2013-10-20 | Роберт Бош Гмбх | Устройство для впрыскивания топлива в камеру сгорания двигателя внутреннего сгорания |
WO2016041739A1 (de) * | 2014-09-17 | 2016-03-24 | Ganser Crs Ag | Brennstoffeinspritzventil für verbrennungskraftmaschinen |
GB2559560A (en) * | 2017-02-08 | 2018-08-15 | Delphi Int Operations Luxembourg Sarl | Control valve arrangement for a dual fuel injector |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0372712A1 (de) * | 1988-12-02 | 1990-06-13 | Lucas Industries Public Limited Company | Elektromagnetisches Ventil |
DE19940296A1 (de) * | 1999-08-25 | 2001-03-01 | Bosch Gmbh Robert | Ventil |
US6364282B1 (en) * | 1998-12-04 | 2002-04-02 | Caterpillar Inc. | Hydraulically actuated fuel injector with seated pin actuator |
DE10131617A1 (de) * | 2001-06-29 | 2003-01-23 | Bosch Gmbh Robert | Kraftstoffinjektor-Schaltventil zur Druckentlastung/Belastung eines Steuerraumes |
US6530556B1 (en) * | 1998-08-18 | 2003-03-11 | Robert Bosch Gmbh | Control unit for controlling a pressure build-up in a pump unit |
Family Cites Families (11)
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DE1550299A1 (de) * | 1966-07-01 | 1970-01-29 | Leybold Heraeus Gmbh & Co Kg | Hochvakuumventil,insbesondere Ultrahochvakuumventil |
RU1839701C (ru) * | 1988-01-20 | 1993-12-30 | Ханс Отто Мит (DE) | Клапан с защитным элементом дл уплотнени |
JP3017816B2 (ja) * | 1991-02-20 | 2000-03-13 | 清原 まさ子 | 流体制御器 |
JP2952174B2 (ja) * | 1994-12-27 | 1999-09-20 | 田中機工株式会社 | ブリーザ弁等の弁座 |
DE19516885C1 (de) * | 1995-05-09 | 1996-10-24 | Elektroteile Gmbh | Pneumatikventil |
GB9526522D0 (en) * | 1995-12-23 | 1996-02-28 | Lucas Ind Plc | Valve arrangement |
US5899435A (en) * | 1996-09-13 | 1999-05-04 | Westinghouse Air Brake Co. | Molded rubber valve seal for use in predetermined type valves, such as, a check valve in a regenerative desiccant air dryer |
JP2002071038A (ja) * | 2000-08-25 | 2002-03-08 | Kubota Corp | 弁体シート |
JP3425938B2 (ja) * | 2000-12-14 | 2003-07-14 | 入江工研株式会社 | ゲート弁 |
US6708951B2 (en) * | 2002-01-17 | 2004-03-23 | Westinghouse Air Brake Technologies Corporation | Annular sealing device having a positive stop means for use in a valve member |
DE10251587B4 (de) * | 2002-11-06 | 2017-03-09 | Robert Bosch Gmbh | Ventil zum Steuern eines Fluidstroms |
-
2004
- 2004-05-15 DE DE102004024215A patent/DE102004024215A1/de not_active Withdrawn
-
2005
- 2005-05-12 AT AT05010378T patent/ATE399937T1/de active
- 2005-05-12 DE DE502005004557T patent/DE502005004557D1/de active Active
- 2005-05-12 EP EP05010378A patent/EP1600627B1/de not_active Not-in-force
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0372712A1 (de) * | 1988-12-02 | 1990-06-13 | Lucas Industries Public Limited Company | Elektromagnetisches Ventil |
US6530556B1 (en) * | 1998-08-18 | 2003-03-11 | Robert Bosch Gmbh | Control unit for controlling a pressure build-up in a pump unit |
US6364282B1 (en) * | 1998-12-04 | 2002-04-02 | Caterpillar Inc. | Hydraulically actuated fuel injector with seated pin actuator |
DE19940296A1 (de) * | 1999-08-25 | 2001-03-01 | Bosch Gmbh Robert | Ventil |
DE10131617A1 (de) * | 2001-06-29 | 2003-01-23 | Bosch Gmbh Robert | Kraftstoffinjektor-Schaltventil zur Druckentlastung/Belastung eines Steuerraumes |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1865189A2 (de) * | 2006-06-07 | 2007-12-12 | Robert Bosch Gmbh | Kraftstoffinjektor mit einem niederdruckseitig angeordneten Piezosteller |
EP1865189A3 (de) * | 2006-06-07 | 2009-10-28 | Robert Bosch Gmbh | Kraftstoffinjektor mit einem niederdruckseitig angeordneten Piezosteller |
EP2175124A1 (de) * | 2006-10-16 | 2010-04-14 | Ganser-Hydromag Ag | Brennstoffeinspritzventil für Verbrennungskraftmaschinen |
EP1923564A2 (de) * | 2006-11-16 | 2008-05-21 | Robert Bosch Gmbh | Kraftstoffinjektor |
EP1923564A3 (de) * | 2006-11-16 | 2009-06-17 | Robert Bosch Gmbh | Kraftstoffinjektor |
EP1944500A2 (de) * | 2007-01-10 | 2008-07-16 | Robert Bosch Gmbh | Kraftstoffinjektor |
EP1944500A3 (de) * | 2007-01-10 | 2009-08-05 | Robert Bosch Gmbh | Kraftstoffinjektor |
CN101925733B (zh) * | 2008-01-22 | 2014-07-02 | 罗伯特·博世有限公司 | 控制阀元件具有支撑区域的燃料喷射器 |
RU2505701C2 (ru) * | 2008-01-22 | 2014-01-27 | Роберт Бош Гмбх | Топливная форсунка, клапанный элемент управляющего клапана которой имеет опорную часть |
US8671912B2 (en) | 2008-01-22 | 2014-03-18 | Robert Bosch Gmbh | Fuel injector the control valve element of which has a support region |
WO2009092507A1 (de) * | 2008-01-22 | 2009-07-30 | Robert Bosch Gmbh | Kraftstoffinjektor, dessen steuerventilelement einen stützbereich aufweist |
EP2123898A1 (de) * | 2008-05-21 | 2009-11-25 | Robert Bosch GmbH | Kraftstoff-Injektor |
WO2010015437A1 (de) * | 2008-08-04 | 2010-02-11 | Robert Bosch Gmbh | Kraftstoff-injektor |
RU2496024C2 (ru) * | 2009-03-17 | 2013-10-20 | Роберт Бош Гмбх | Устройство для впрыскивания топлива в камеру сгорания двигателя внутреннего сгорания |
WO2011029829A1 (de) * | 2009-09-10 | 2011-03-17 | Robert Bosch Gmbh | Injektor |
EP2333296A1 (de) * | 2009-12-10 | 2011-06-15 | Delphi Technologies Holding S.à.r.l. | Ventilelement für eine Flüssigkeitsventilanordnung |
WO2016041739A1 (de) * | 2014-09-17 | 2016-03-24 | Ganser Crs Ag | Brennstoffeinspritzventil für verbrennungskraftmaschinen |
US10557447B2 (en) | 2014-09-17 | 2020-02-11 | Ganser Hydromag Ag | Fuel injection valve for combustion engines |
GB2559560A (en) * | 2017-02-08 | 2018-08-15 | Delphi Int Operations Luxembourg Sarl | Control valve arrangement for a dual fuel injector |
GB2559560B (en) * | 2017-02-08 | 2020-06-17 | Delphi Tech Ip Ltd | Control valve arrangement for a dual fuel injector |
Also Published As
Publication number | Publication date |
---|---|
DE102004024215A1 (de) | 2005-12-08 |
EP1600627B1 (de) | 2008-07-02 |
DE502005004557D1 (de) | 2008-08-14 |
ATE399937T1 (de) | 2008-07-15 |
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