EP0664854A1 - Kraftstoffeinspritzvorrichtung für brennkraftmaschinen - Google Patents
Kraftstoffeinspritzvorrichtung für brennkraftmaschinenInfo
- Publication number
- EP0664854A1 EP0664854A1 EP94918280A EP94918280A EP0664854A1 EP 0664854 A1 EP0664854 A1 EP 0664854A1 EP 94918280 A EP94918280 A EP 94918280A EP 94918280 A EP94918280 A EP 94918280A EP 0664854 A1 EP0664854 A1 EP 0664854A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- injection device
- valve member
- fuel
- valve
- fuel injection
- 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
- 239000000446 fuel Substances 0.000 title claims abstract description 114
- 238000002347 injection Methods 0.000 title claims abstract description 67
- 239000007924 injection Substances 0.000 title claims abstract description 67
- 238000002485 combustion reaction Methods 0.000 title claims description 11
- 238000007789 sealing Methods 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000012080 ambient air Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
- F02M59/366—Valves being actuated electrically
-
- 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
- F02M57/00—Fuel-injectors combined or associated with other devices
- F02M57/02—Injectors structurally combined with fuel-injection pumps
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
- F02M59/46—Valves
- F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means
Definitions
- the invention is based on a fuel injection device according to the preamble of claim 1.
- a fuel injection device known from DE-Al-37 31 240
- the pump piston is driven back and forth via a camshaft of an internal combustion engine.
- An integrally formed housing is provided as the housing for the fuel injection device with pump piston and pump cylinder as well as the injection valve, which housing is connected directly to the cylinder head of the associated internal combustion engine.
- the housing part carrying the replaceable injection nozzle together with the spring chamber of the injection valve is arranged inclined to the axis of the pump piston.
- a fuel duct leads directly from the pump workspace to a solenoid valve, via which the Phase of high pressure generation in the pump work space is controlled.
- the space that is pressurized with fuel at the injection pressure during the pump piston delivery stroke is additionally increased by the fuel channel leading to the magnetic valve and an adjacent valve space, which is delimited by the valve seat of the solenoid valve in its closed position.
- This relatively large dead space reduces the efficiency and the injection accuracy of the fuel injection device.
- a relatively large installation space for the fuel injection device is still required.
- the fuel injection device according to the invention with the characterizing features of claim 1 has the advantage that the high-pressure volume is significantly reduced and at the same time a more compact design of the fuel injection device is achieved.
- the embodiment according to claim 2 has the advantage that the volume of the fuel channel between the pump cylinder and valve seat can also be kept very small. If the valve is designed as a slide valve with a piston valve according to claim 3, this volume is further reduced. According to the configurations according to patent claims 4 and 5, there is only a slight increase in the cylinder space provided for the pump working space for the permanent connection between the fuel channel and the pump working space. According to claims 7 to 9, there is a safe guidance of the valve member of the solenoid valve at the same time low harmful high pressure dead volume within the fuel channel.
- valve member of the solenoid valve is non-positively coupled to the armature of the solenoid valve according to claim 11.
- An exact centering of the solenoid valve body and the pump body is thus omitted.
- overshoot of the magnet armature is avoided when the solenoid valve is opened.
- smaller scarf fluctuations due to smaller disturbing forces due to pressure fluctuations in the fuel supply, in particular when opening occur.
- the shape of the piston-like part of the valve member results in a high degree of freedom from reaction due to fuel pressures acting on the valve member.
- FIG. 1 shows a longitudinal section through the pump cylinder and injection valve of the fuel injection device of a first exemplary embodiment
- FIG. 2 shows a section perpendicular to the plane of the illustration in FIG. 1 along the line II-II
- FIG. 3 shows a partial section through the fuel injection device in the longitudinal direction of the pump piston and in a plane rotated by 90 ° with respect to the representation of FIG. 1 along the line III-III of FIG. 2 and FIG. 4, a longitudinal section analogous to FIG. 1 with a modified embodiment of the electrically controlled valve.
- a pump housing 1 is shown in section, which has a cylindrical connecting piece 3 with a tappet bore 2, into which a roller tappet 4, which carries a roller 5 on the outside, slides in from its open side Tilt lever not shown, which is actuated by a camshaft of the internal combustion engine.
- the roller tappet includes in its interior a compression spring 6, which is supported on the one hand at the bottom of the recess of the connector and on the other hand is supported on the roller tappet 4 via a spring plate 7.
- a pump piston 8 is held between the spring plate and the roller tappet, which plunges into a cylinder bore 11 of a pump cylinder 10 projecting in a nozzle-like manner into the spring chamber 9 enclosed by the roller tappet 4 and the connector 3.
- a pump work space 13 which is also shown in more detail in FIG is shown.
- a pressure line 15 leads in the pump housing to an injection valve, which is fastened with its housing 16 to the pump housing by means of a union nut 17.
- the pressure line continues to the nozzle space of the injection valve, not shown, which is designed in a known manner.
- the valve needle of the injection valve is loaded in the closing direction by an injection valve closing spring 18, which is accommodated in a spring chamber 19 of the injection valve housing and, on the other hand, is supported on an adjustable spring plate 20.
- the cylinder bore 11 is cut by a fuel channel 22 in such a way that in a partial area of the fuel channel a part of its circumferential wall to the pump cylinder is opened within the intersection with the latter.
- the fuel channel advantageously extends transversely to the axis of the cylinder bore 11, the axis of the fuel channel 22 preferably lies in a radial plane to the axis of the cylinder bore 11.
- the fuel channel is designed as a through bore through the pump housing 1, as can be seen in FIGS. 1 and 2, wherein an outlet of the fuel channel is closed by a closure part, here for example a cover 24, which at the same time includes an equalization chamber 25 into which the fuel channel 22 opens.
- the fuel channel opens into a control chamber 26, which is introduced into the pump housing 1 as a recess or as a blind hole with a larger diameter.
- the transition between the fuel channel and the control chamber 26 is designed as a valve seat 28, which is conical and cooperates with a corresponding conical sealing surface 29 on a valve member 30 of a solenoid valve 31.
- the Ab ⁇ control room is still part of the fuel channel.
- the control chamber 26 is connected to a power line via a spur line 32. Material inlet bore 33 connected in the pump housing and is supplied by this with a fuel feed pump with fuel at low pressure. Excess fuel which is not delivered by the pump piston can also be returned via the stub 32 and the fuel inlet.
- the blind bore forming the control chamber 26 merges into a bore with a larger diameter to form a receiving opening 48, into which a magnetic core 35 with a magnetic coil 36 of an electromagnet 34 of the solenoid valve 31 is inserted and held there by a magnet housing 37 encompassing both.
- a second compensation chamber 38 is enclosed between the magnet housing 37 and the magnet core 35 with the magnet coil 36, which is connected directly to the compensation chamber 25 on the other side of the fuel channel 22 via compensation bores 39 in the pump housing.
- An armature disk 41 is arranged in the second compensation chamber 38 and cooperates with the end face of the magnetic core 35 in a known manner.
- the armature disk is acted upon by a return spring 44 which is supported on the magnet housing 37 in the direction of the magnet core.
- An armature tappet 47 is connected to the armature disk 41 in the solenoid valve 31, which is guided through an axial bore in the magnetic core 35 and comes to rest on the valve member 30 on its other side.
- the valve member is acted upon on its side facing away from the armature tappet by a compression spring 49 which is supported on the cover 24 and thus holds the valve member in a force-locking connection with the armature tappet.
- the magnet housing is cylindrical and slidably slidably held in a cup-shaped insert 42 which has a passage opening 43 on its one side facing the fuel injector for guiding the cylindrical magnet housing and is provided with sealing means there and on its other side facing away from the injector, has an outer flange 57 which comes to rest on adjacent parts of a cylinder head wall 45 of the internal combustion engine with the interposition of a sealant and is fastened there and with its part facing the fuel injection device is guided through a corresponding opening in this cylinder head wall.
- the contacting connections 46 for the magnetic coil of the magnetic valve are thus protected within the cup-shaped insert and are nevertheless easily accessible from the outside.
- the cup-shaped insert is fastened to the cylinder head wall by means of detachable fastening elements and can also be shifted before it is fixed to compensate for installation and alignment tolerances.
- the inside of the cylinder head is sealed on the outside via this pot-shaped insert.
- the valve member 30 of the solenoid valve 31 consists of a first part 50 projecting into the fuel channel 22 and a second part 51 projecting into the control chamber 26.
- the first part 50 closes towards the compensation chamber 25 with a piston 52 which separates the compensation chamber from one between the two Piston 52 and a guide piston 53 lying annular groove 54, which is acted upon by the injection pressure.
- the guide piston has passage cross sections 55 which the annular groove 54 with a Connect the annular space 56 lying between the guide piston 53 and the sealing surface 29.
- the conical sealing surface 29 is located on a larger diameter, cylindrical part 58 of the second part 51 of the valve member, on the front side of which the armature tappet 47 comes to rest.
- the cylindrical part 58 also dips into a guide bore 59 in an intermediate disk 60, which is arranged between the control chamber 26 and the magnetic core 35, closing the control chamber 26. Under the action of the spring 49, the cylindrical part 58 comes to rest against the end face of the magnetic core when the electromagnet is not excited, which at the same time is the stop determining the stroke of the valve member. This stop can be adjusted by the thickness of the washer and thus the opening cross-section of the valve.
- the annular groove 54 on the valve member lies in the region of the part of the fuel channel 22 which intersects the cylinder bore 11 and is therefore permanently connected to the cylinder bore 11.
- the cylinder bore 11 has a diameter widening 62 in its lower part, so that when the pump piston is fully immersed, the area around the top dead center of the pump piston or at the end of its pressure delivery stroke Pump work space 13 always remains in connection with the annular groove 54 via this diameter widening.
- the diameter widening can be designed as an annular groove or an annular recess or it is a longitudinal groove which also leads to the end face 64 of the cylinder bore and lies in the region of the intersection of the fuel passage with the cylinder bore.
- connection between the cylinder bore and the fuel channel 22 can first be established, for which purpose the connection is ultimately also achieved through an opening using an erosion process, which in particular in particular also for machining sharp-edged cross-sectional transitions can be achieved, so that, geometrically speaking, there is no overlap of the cross sections of the bore of the fuel channel 22 with the recess or the cylinder bore 11.
- the connection made in this way is, however, equivalent to an overlap.
- the pump work space can also be connected to a storage valve 64.
- the spring plate 20 is connected via a tappet 65 to a piston part 66, which can be moved in a sealed manner in a bore 67 and is acted upon by the pressure of the pump work chamber against the force of the injection valve spring.
- part of the delivered fuel can be absorbed by an evasive movement of the piston part 66 in order to reduce the pressure build-up at the start of delivery of the fuel injection device.
- the removal of fuel makes it easier to close the solenoid valve, which receives a force component in the opening direction when the valve begins to build up when the valve is still open.
- valve member 30 is hydraulically pressure-balanced from both sides via the compensation chamber 25 and the second compensation chamber 38 and the control chamber 26. These compensation spaces are supplied with fuel by leakage losses, for example between the cylindrical part 58 and the intermediate disk 60.
- the valve member is acted upon by the high pressure in the opening direction in addition to the force of the spring 46 as soon as it is opened during the pressure delivery stroke of the pump piston, which results in a short opening time.
- FIG. 1 An alternative embodiment, which represents a simplification compared to the embodiment in FIGS. 1 to 3, is shown in FIG.
- the electromagnet was arranged at the end of the valve member facing away from the sealing surface.
- the fuel channel 22 is embodied in the housing of the injection device as a through bore through the pump housing 1 and is connected in the same way to the cylinder bore 11 or the pump working space 13.
- the fuel channel 22 opens into a control chamber 126, which is connected via a fuel inlet bore 133 to a low-pressure fuel chamber for supplying the pump work chamber 10 with fuel or for relieving it.
- the control chamber 126 is delimited on the side opposite the outlet of the fuel channel 22 by an intermediate disk 160, which is sealed off from the outside by a pump housing. closing closure part 69 is held in the pump housing.
- the intermediate disk has a guide bore 159, which is connected via a groove 70 in the end face of the closure part 69 to an equalization bore 139 in the pump housing and via this to a first equalization space 125, into which the fuel channel 22 opens at its other end.
- the valve member 130 of this exemplary embodiment is designed as a piston, which is arranged in a tightly sliding manner in the fuel channel 22 and has an annular groove 154 analogous to the annular groove 54 of FIG. 1, which constantly has a connection cross section 71, which is either through penetration of the fuel channel and pump cylinder or whose diameter widening 62 or has been created by erosive production of this connection is connected to the pump work chamber 13 or the cylinder bore 11.
- the annular groove 154 is delimited by a cylindrical part 158 of the valve member, which protrudes into the control chamber 126, is larger in diameter than the diameter of the fuel channel or the piston part of the valve member guided therein, and on its side facing the annular groove 154 a conical sealing Surface 129 which cooperates with a likewise conical valve seat 128 at the transition of the fuel channel into the control chamber 126.
- the cylindrical part 158 of the valve member also dips into the guide bore 159 at its end and thus separates the control chamber 126 from a second compensation chamber 138 enclosed by the cylindrical part 158 in the guide bore. This is, as stated, also via the compensation bore 139 connected to the first compensation space 125.
- the part of the valve member 130 protruding into the first compensation space 125 carries an armature 141 which interacts with the magnetic core 135 of the electromagnet 134 now arranged on this side.
- the magnetic core with magnetic coil 136 is from enclosed a magnet housing 137 that the housing with the first compensation space 125 closes to the outside.
- a return spring 149 is used as a compression spring, which acts on the valve member 130 in the direction of its open position and against which, when the electromagnet 134 is excited, the valve member is brought into its closed position via the armature 141.
- the result is a cost-effective solution with a double-guided valve member, which in turn has the advantage that the sealing surface can sit on the valve seat 128 in a well-sealing manner when the valve member is properly guided, and thus has a good closing property at a reasonable cost Manufacturing is achieved.
- the opening stroke of the valve member 130 is determined by its face-to-face contact with the closure part and can be adjusted via this.
- a pressure-compensated piston slide valve can also be used if small dead spaces which are subject to high pressure are adhered to, which then instead of the guide piston 53 and the sealing surface interacting with a valve seat, seals in the fuel channel Has 22 sliding piston that controls the connection of an outlet and inlet bore to the annular groove 54 or to the pump cylinder.
- the spring chamber 9 in the socket 3 is completely enclosed by the roller tappet 4 and can only be relieved via a throttle opening 68.
- this throttle bore is closed in the course of the pressure stroke of the pump piston by the part of the roller plunger 4 immersed in the connection piece 3, so that a restoring pressure is built up by the cam drive of the fuel injection pump towards the end of the pump piston delivery stroke in a now closed spring chamber 9, which Operation of the return spring 6 supports. This in particular prevents the tendency of the roller tappet or rocker arm to lift off the driving cam towards the end of the conveying stroke, since a higher restoring force acts in this area.
- the maximum pressure between the roller and the cam is not increased due to the flattening curve of the cam elevation curve of the drive cam towards the end of the stroke.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4322546 | 1993-07-07 | ||
DE4322546A DE4322546A1 (de) | 1993-07-07 | 1993-07-07 | Kraftstoffeinspritzvorrichtung für Brennkraftmaschinen |
PCT/DE1994/000693 WO1995002123A1 (de) | 1993-07-07 | 1994-06-18 | Kraftstoffeinspritzvorrichtung für brennkraftmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0664854A1 true EP0664854A1 (de) | 1995-08-02 |
EP0664854B1 EP0664854B1 (de) | 1998-04-08 |
Family
ID=6492129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94918280A Expired - Lifetime EP0664854B1 (de) | 1993-07-07 | 1994-06-18 | Kraftstoffeinspritzvorrichtung für brennkraftmaschinen |
Country Status (8)
Country | Link |
---|---|
US (2) | US5606953A (de) |
EP (1) | EP0664854B1 (de) |
JP (1) | JP3539959B2 (de) |
KR (1) | KR100340742B1 (de) |
CN (1) | CN1049952C (de) |
DE (2) | DE4322546A1 (de) |
RU (1) | RU2120055C1 (de) |
WO (1) | WO1995002123A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1306317B1 (it) * | 1998-07-16 | 2001-06-04 | Magneti Marelli Spa | Dispositivo di pompaggio ad alta pressione |
DE19837333A1 (de) * | 1998-08-18 | 2000-02-24 | Bosch Gmbh Robert | Steuereinheit zur Steuerung des Druckaufbaus in einer Pumpeneinheit |
DE19923422C2 (de) * | 1999-05-21 | 2003-05-08 | Bosch Gmbh Robert | Elektronisches Einspritzsystem |
DE19963568A1 (de) * | 1999-12-29 | 2001-07-05 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
DE10031570C2 (de) * | 2000-06-29 | 2002-09-26 | Bosch Gmbh Robert | Leckage reduzierter Hochdruckinjektor |
US6450778B1 (en) | 2000-12-07 | 2002-09-17 | Diesel Technology Company | Pump system with high pressure restriction |
DE602005009644D1 (de) * | 2004-12-17 | 2008-10-23 | Denso Corp | Magnetventil, durchflussregelndes Ventil, Kraftstoffhochdruckpumpe und Einspritzpumpe |
GB201011092D0 (en) | 2010-07-01 | 2010-08-18 | Lucite Int Uk Ltd | A catalyst system and a process for the production of ethylenically unsaturated carboxylic acids or esters |
EP2538067B1 (de) * | 2011-06-20 | 2014-10-08 | Delphi International Operations Luxembourg S.à r.l. | Anordnung für ein elektronisch betätigtes Ventil |
US9989026B2 (en) * | 2012-02-17 | 2018-06-05 | Ford Global Technologies, Llc | Fuel pump with quiet rotating suction valve |
WO2016129618A1 (ja) * | 2015-02-12 | 2016-08-18 | 古河電気工業株式会社 | 半導体レーザ素子およびレーザ光照射装置 |
US10330065B2 (en) * | 2016-03-07 | 2019-06-25 | Stanadyne Llc | Direct magnetically controlled inlet valve for fuel pump |
WO2019131049A1 (ja) * | 2017-12-26 | 2019-07-04 | 日立オートモティブシステムズ株式会社 | 燃料供給ポンプ |
Family Cites Families (29)
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CA547612A (en) * | 1957-10-15 | Seifert Richard | Fuel injection control system for internal combustion engines | |
GB1217318A (en) * | 1967-09-25 | 1970-12-31 | Cav Ltd | Reciprocating tappet and cam mechanisms |
DE2544001A1 (de) * | 1975-10-02 | 1977-04-07 | Schneider Co Optische Werke | Druckventil |
DE2742466C2 (de) * | 1977-09-21 | 1986-11-27 | Daimler-Benz Ag, 7000 Stuttgart | Pumpdüse zur Kraftstoffeinspritzung in eine luftverdichtende Brennkraftmaschine |
GB2102882B (en) * | 1981-07-24 | 1985-09-11 | Lucas Ind Plc | Combined fuel injection pump and injector units for c.i. engines |
USRE34261E (en) * | 1981-11-06 | 1993-05-25 | Solenoid valve | |
JPS597266U (ja) * | 1982-07-06 | 1984-01-18 | 株式会社ボッシュオートモーティブ システム | 燃料噴射ポンプ |
US4550744A (en) * | 1982-11-16 | 1985-11-05 | Nippon Soken, Inc. | Piezoelectric hydraulic control valve |
DE3327399A1 (de) * | 1983-07-29 | 1985-02-21 | Robert Bosch Gmbh, 7000 Stuttgart | Pumpeduese fuer die kraftstoffeinspritzung bei brennkraftmaschinen |
DE8322570U1 (de) * | 1983-08-05 | 1985-01-17 | Robert Bosch Gmbh, 7000 Stuttgart | Druckregler |
DE3427421A1 (de) * | 1984-07-25 | 1986-01-30 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Steuerventil fuer eine kraftstoffeinspritzvorrichtung |
JPS6220980A (ja) * | 1985-07-18 | 1987-01-29 | Diesel Kiki Co Ltd | 電磁弁 |
DE3614495A1 (de) * | 1986-04-29 | 1987-11-05 | Kloeckner Humboldt Deutz Ag | Kraftstoffeinspritzvorrichtung fuer eine brennkraftmaschine |
JPH07117012B2 (ja) * | 1986-09-05 | 1995-12-18 | トヨタ自動車株式会社 | ユニツトインジエクタ |
DE3633136A1 (de) * | 1986-09-30 | 1988-04-07 | Daimler Benz Ag | Aus pumpe und duese bestehende magnetventilgesteuerte einspritzvorrichtung fuer luftverdichtende brennkraftmaschinen |
DE3732553A1 (de) * | 1987-09-26 | 1989-04-13 | Bosch Gmbh Robert | Magnetventil |
US4811715A (en) * | 1987-11-02 | 1989-03-14 | Stanadyne, Inc. | Electronic unit injector |
JPH0794812B2 (ja) * | 1987-12-29 | 1995-10-11 | トヨタ自動車株式会社 | インジェクタ用アクチュエータ |
US4867113A (en) * | 1988-12-27 | 1989-09-19 | Ford Motor Company | Reduced friction engine tappet construction |
DE3928613A1 (de) * | 1989-08-30 | 1991-03-07 | Bosch Gmbh Robert | Elektromagnetisches schaltventil |
DE3910793C2 (de) * | 1989-04-04 | 1996-05-23 | Kloeckner Humboldt Deutz Ag | Brennstoffeinspritzvorrichtung |
US5125383A (en) * | 1990-07-18 | 1992-06-30 | Volkswagen Ag | Mounting arrangement for a fuel injection pump nozzle in a cylinder head |
DE4032279A1 (de) * | 1990-10-11 | 1992-04-16 | Bosch Gmbh Robert | Kraftstoffeinspritzpumpe fuer brennkraftmaschinen |
GB9026838D0 (en) * | 1990-12-11 | 1991-01-30 | Lucas Ind Plc | Fuel pump |
DE4118555A1 (de) * | 1991-06-06 | 1992-12-10 | Bosch Gmbh Robert | Foerderbeginnverstelleinrichtung einer kraftstoffeinspritzpumpe |
DE9205025U1 (de) * | 1991-06-19 | 1992-11-19 | Ross Europa GmbH, 6070 Langen | Ventilanordnung, insbesondere zum Rückführen von Kraftstoffdämpfen |
JPH05248300A (ja) * | 1992-03-04 | 1993-09-24 | Zexel Corp | 燃料噴射装置 |
GB9225341D0 (en) * | 1992-12-03 | 1993-01-27 | Lucas Ind Plc | Fuel pump |
DE4340885B4 (de) * | 1993-12-01 | 2005-08-11 | Deutz Ag | V-förmig ausgebildete Brennkraftmaschine |
-
1993
- 1993-07-07 DE DE4322546A patent/DE4322546A1/de not_active Withdrawn
-
1994
- 1994-06-18 US US08/392,885 patent/US5606953A/en not_active Expired - Fee Related
- 1994-06-18 WO PCT/DE1994/000693 patent/WO1995002123A1/de active IP Right Grant
- 1994-06-18 KR KR1019950700897A patent/KR100340742B1/ko not_active IP Right Cessation
- 1994-06-18 DE DE59405637T patent/DE59405637D1/de not_active Expired - Fee Related
- 1994-06-18 EP EP94918280A patent/EP0664854B1/de not_active Expired - Lifetime
- 1994-06-18 JP JP50373895A patent/JP3539959B2/ja not_active Expired - Fee Related
- 1994-06-18 RU RU95108382A patent/RU2120055C1/ru not_active IP Right Cessation
- 1994-06-18 CN CN94190483A patent/CN1049952C/zh not_active Expired - Fee Related
-
1996
- 1996-11-18 US US08/748,736 patent/US5709195A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9502123A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1995002123A1 (de) | 1995-01-19 |
RU95108382A (ru) | 1997-01-10 |
US5709195A (en) | 1998-01-20 |
RU2120055C1 (ru) | 1998-10-10 |
DE59405637D1 (de) | 1998-05-14 |
CN1112370A (zh) | 1995-11-22 |
CN1049952C (zh) | 2000-03-01 |
JPH08501368A (ja) | 1996-02-13 |
US5606953A (en) | 1997-03-04 |
JP3539959B2 (ja) | 2004-07-07 |
KR100340742B1 (ko) | 2002-10-31 |
DE4322546A1 (de) | 1995-01-12 |
EP0664854B1 (de) | 1998-04-08 |
KR950703121A (ko) | 1995-08-23 |
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