[go: up one dir, main page]

EP0894191B1 - Dispositif dans un systeme d'alimentation en carburant - Google Patents

Dispositif dans un systeme d'alimentation en carburant Download PDF

Info

Publication number
EP0894191B1
EP0894191B1 EP97951837A EP97951837A EP0894191B1 EP 0894191 B1 EP0894191 B1 EP 0894191B1 EP 97951837 A EP97951837 A EP 97951837A EP 97951837 A EP97951837 A EP 97951837A EP 0894191 B1 EP0894191 B1 EP 0894191B1
Authority
EP
European Patent Office
Prior art keywords
housing part
region
housing
fuel system
elastic
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
Application number
EP97951837A
Other languages
German (de)
English (en)
Other versions
EP0894191A1 (fr
Inventor
Wolfgang BÜSER
Dietmar Schmieder
Willi Strohl
Dieter Issler
Jochen Rose
Alexander Brand
Rudolf Meidinger
Erich Eiler
Frantisek Buric
Jaroslav Moucka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0894191A1 publication Critical patent/EP0894191A1/fr
Application granted granted Critical
Publication of EP0894191B1 publication Critical patent/EP0894191B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/08—Feeding by means of driven pumps electrically driven
    • F02M37/10—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/54—Arrangement of fuel pressure regulators
    • 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
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8023—Fuel injection apparatus manufacture, repair or assembly the assembly involving use of quick-acting mechanisms, e.g. clips
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/598—With repair, tapping, assembly, or disassembly means
    • Y10T137/599—Pressure regulating type valve
    • Y10T137/5994—Diaphragm type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/598—With repair, tapping, assembly, or disassembly means
    • Y10T137/6011—Assembling, disassembling, or removing cartridge type valve [e.g., insertable and removable as a unit, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7835—Valve seating in direction of flow
    • Y10T137/7836—Flexible diaphragm or bellows reactor

Definitions

  • the invention is based on a device in one Fuel system according to the preamble of claim 1.
  • the device according to the invention in a fuel system with the characterizing features of claim 1 in contrast, the advantage that the housing parts without large Effort and using relatively small, light controllable forces can be combined.
  • Another advantage is that the tolerances are limited the materials of the housing parts and the membrane unit can be apart without having to fear that the device is leaking.
  • the assembly of the housing parts is very simple, especially without complex devices and machines can happen, the assembly of the device advantageously one at any desired location Set up production line.
  • Deformations of the housing that occur, for example can lead if something hits the finished housing advantageously hardly a leak.
  • Figures 1 to 7 show different things Image scale different embodiments and Details of differently designed devices for a fuel system.
  • the inventive device for a Has fuel system in particular an internal combustion engine one of several, preferably two, housing parts composite housing. There are two in the case Membrane or membrane unit separating spaces.
  • the membrane or membrane unit is on its outer circumference captured and sealed. For reasons of simplification the membrane is held and sealed or
  • FIG. 1 shows a first, preferably selected, particularly advantageous exemplary embodiment.
  • the fuel tank 2 has an opening 4 in its upper wall.
  • the opening 4 is with a plastic lid locked.
  • the lid follows the simplicity referred to as base body 6.
  • the lid or the Base body 6 is on with the help of screws, not shown the top wall of the fuel tank 2 screwed.
  • Base body 6 made of plastic.
  • a Pressure regulator 8 firmly integrated in terms of function and form.
  • the pressure regulator 8 has a housing 10. In the illustrated In the exemplary embodiment, the housing 10 consists of a first Housing part 11 and a second housing part 12.
  • the first housing part 11 in the selected embodiment is directed upwards, the first housing part 11 often referred to as the lower part, and the second housing part 12 is often called top.
  • the housing 10 is in the essentially rotationally symmetrical. An imaginary one The axis of rotation of the housing 10 receives the designation Longitudinal axis A and is in the drawing with a dash-dotted line indicated.
  • a membrane unit 14 In the housing 10 there there is a membrane unit 14.
  • a Membrane 15 In the illustrated Embodiment comprises the membrane unit 14 a Membrane 15, a first plate 16, a second plate 17 and a closing body 18.
  • the plates 16 and 17 are in middle region of the membrane 15 firmly with the membrane 15 connected.
  • the membrane 15 is between the first housing part 11 and the second housing part 12 built-in.
  • the first plate 16 holds the closing body 18, which is, for example, a flattened ball.
  • the membrane 15 consists of one or more, preferably of two layers of flexible plastic sheets. Between Plastic sheets can be a layer of fabric. In particularly stored cases can, if desired, on the attached to the membrane 15 plates 16, 17 and on the Closing body 18 are dispensed with, so that only the Membrane 15 without the parts 16, 17, 18 between the Housing parts 11, 12 is installed.
  • the membrane 15 of the membrane unit 14 separates a first one Room 21 opposite a second room 22.
  • the first room 21 is essentially within the first Housing part 11, and the second room 22 is in the essentially within the second housing part 12.
  • the inlet channel 24 has an inlet side 24a and a further page 24b.
  • the first housing part 11 has a bottom region 11a with a front centric recess 27.
  • the laterally offset Bottom region 11a has a passage 28 connecting piece 29 projecting through the central recess 27 formed.
  • On one of the closing bodies 18 of the membrane unit 14 facing end of the nozzle 29 is a Stop 30 provided.
  • the return channel 26 runs through the Base body 6 up to the closing body 18, stop 30 provided at the front end of the connecting piece 29.
  • the Base body 6 provided stop 30 as a valve seat for the Closing body 18.
  • the inlet side 24a of the inlet channel 24 is, for example to a provided in the fuel tank 2, the better clarity because not shown Fuel pump connected. From the fuel pump delivered fuel passes through the inlet side 24a and thence through the inlet channel 24 to the further one Page 24b and then, for example, to not shown Injectors. Through the inlet channel 24 passes Fuel also through passage 28 into first space 21. The pressure in the first space 21 is less than one certain opening pressure, then the closing body 18 is present the stop 30 and the first space 21 is opposite to that Return channel 26 completed.
  • Closing body 18 of the membrane unit 14 from the stop 30, and Excess fuel can flow through the inlet channel 24 the first space 21, through the gap between the stop 30 and the closing body 18 and then through the return channel 26 get back into the fuel tank 2.
  • a Closing force acts on the plate 17 and thus the Closing body 18 against the stop 30.
  • Closing spring 32 generated. Instead of the closing spring 32 or in addition to the closing spring 32 can be in the second room 22 prevailing pressure to generate the closing force.
  • the device shown in FIG. 1 has a holding area 40 on the housing 10.
  • the part of the device where the holding area 40 is located is shown again in FIGS. 2a and 2b with a changed scale, and in FIG. 3 that is first housing part 11 reproduced separately with the omission of all other parts.
  • Sub-areas of the holding area 40 include a rest area 42, an elastic region 44 and a clamping region 46.
  • Die Figure 2A shows the device before the two Housing parts 11, 12 locked together in the holding area 40 are.
  • FIG. 2B shows the two housing parts 11, 12 after the two housing parts 11, 12 in the locking area 42 of the Holding area 40 are locked together.
  • the first housing part 11 has in addition to the bottom region 11a the central recess 27 (Fig. 3) one cylindrical region 11c, next to one transverse to Longitudinal axis A of the housing 10 radially extending region 11e, which is another cylindrical Area 11g connects.
  • the second housing part 12 has one cylindrical region 12c, one essentially radially extending region 12e and one itself subsequent essentially cylindrical Area 12g.
  • the area 12e is slightly inclined and conical forms a circumferential surface, like the outer surface of one Truncated cone.
  • the area 12g forms a circumferential outer collar of the housing part 12.
  • the clamping area 46 (FIGS. 2a, 2b) essentially becomes formed by a clamping point 46a on the housing part 11 and a clamping point 46b on the housing part 12.
  • the clamping point 46a is at the radially extending area 11e on the area 12e facing side provided.
  • the nip 46b is located in the area 12e on the radially extending Area 11e facing side.
  • the housing parts 11, 12 are assembled by looking at them arranges cursing and then pushes together.
  • the longitudinal axis A is also the direction for assembly.
  • the membrane unit 14 is attached to the radial extending region 11e of the housing part 11. To can the device by 180 ° compared to the position shown be rotated. Then the housing part 12 in the area 11g of the housing part 11, as shown in FIG. 2a, the region 11e of the first housing part 11 and the Area 12e of the second housing part 12 is not parallel to each other, but they are at an angle ⁇ (alpha) inclined relative to each other. Where the area 12e in the cylindrical region 12c merges, the region 12e has one furthest towards the first housing part 11 protruding circumferential area.
  • the membrane 15 also remains then firmly and tightly clamped, if during extended operation the device has any signs of settling. If there are any signs of settlement, then at most the angle ⁇ (alpha) increases.
  • the locking point 42a on the tabs 50 of the first housing part 11 protrudes somewhat radially inwards (FIG. 3). If during the assembly of the two housing parts 11, 12 of the cylindrical region 12g of the second Housing part 12 reaches the area of the tabs 50, then the locking points 42a on the first housing part 11 become radial pressed elastically outwards (Fig. 2a). During the Assembling the second housing part 12 in the direction of Longitudinal axis A pressed against the first housing part 11. there the elastic region 44 is deformed elastically to such an extent that until the stop 42a on the tabs 50 over the stop 42b on the second housing part 12 radially again snaps inside.
  • the latching point 42a latches on the first Housing part 11 with the locking point 42b on the second housing part 12, whereby the two housing parts 11, 12 securely and firmly be held together.
  • the elastic region 44 presses the stop 42b against the stop 42a, so that the Connection between the two housing parts 11, 12 secure and is free of play.
  • FIG. 4a shows the holding area 40 before the two housing parts 11, 12 are firmly locked together
  • FIG. 4b shows the holding area 40 after the two housing parts 11, 12 have been locked
  • FIG. 5 shows a section of the first housing part 11 below as a detail Omission of the remaining components of the device.
  • FIG. 5 shows, the area 11g of the first Housing part 11 several, evenly over the circumference distributed, viewed in the axial direction at the same Place several undercuts protruding radially inwards 52 embossed.
  • the end of the region facing the 11e Undercuts 52 is relatively sharp-edged, and on the side of the undercuts facing the region 11e 52 is the rest stop 42a.
  • the undercuts 52 (Fig. 5) are less elastic than the tabs 50 (Fig. 3).
  • FIG. 6 shows a further, preferably selected, advantageous exemplary embodiment.
  • the pressure regulator 8 6 are the embodiment shown Base body 6, the housing 10, the membrane unit 14 and the Stop 30 the essential parts of a memory 55.
  • the memory 55 is used only for smoothing of sharp pressure pulsations in the inlet channel 24, or the Memory 55 can larger amounts of fuel when pressure increases record, which he then releases when the pressure drops, so that the memory 55 acts as a fuel accumulator can work.
  • the pressure regulator 8 (Fig. 1) and in the memory 55 (Fig. 6) is on the first housing part 11 of relatively soft Material existing base body 6, preferably plastic, molded or cast on.
  • the pressure regulator 8 or Memory 55 can thus easily in one Plastic body can be integrated.
  • the basic body 6 is, for example, a lid for closing the Fuel reservoir 2, or the base body 6 for example one in an engine compartment of a motor vehicle built-in fuel rail, from which several to Branch the lines leading the injection valves.
  • FIG. 7 shows a further, preferably selected, particularly advantageous exemplary embodiment.
  • the one shown in FIG The embodiment runs through the first nozzle 61 of FIG Inlet channel 24, and runs through the second nozzle 62 the return channel 26.
  • the device forms one Pressure regulator 65 for installation in a hose line.
  • the Pressure regulator 65 (Fig. 7) is installed in a line. It For example, a hose is connected to the nozzle 61 and the nozzle 62 connected.
  • the holding area 40 can be designed as it shown in Figures 1, 2a, 2b, 3, 4a, 4b, 5 and explained with reference to these figures in the present description is.
  • the invention executed device the advantage that with relative small forces, the two housing parts 11, 12 can be assembled and the membrane unit 14 or the membrane 15 between the two housing parts 11, 12 firmly and is kept tight, even during long periods of operation.
  • the first Housing part 11 in the holding area 40 an approximately Z-shaped Shape
  • the second housing part 12 has an approximately U-shaped Shape.
  • the elastic region 44 arises in the illustrated examples by elastic deformation of the second housing part 12.
  • the elastic range can also by elastic deformation of the first housing part 11, preferably the area 11e. It is also possible, both housing parts 11 and 12 between the Locking area 42 and the clamping area 46 to be elastic deform to thereby deform the elastic portion 44 receive.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Diaphragms And Bellows (AREA)

Abstract

L'invention concerne un dispositif destiné à un système d'alimentation en carburant comprenant un carter (10) constitué d'au moins deux parties carter (11, 12) assemblées. Un élément membrane (14) est inséré de manière fixe et étanche entre les parties boîtier (11, 12). La zone de maintien (40) qui assemble de manière fixe et étanche les deux parties carter (11, 12) et l'élément membrane (14), possède une zone élastique (44), ce qui garantit la liaison sûre souhaitée par simple clipsage des deux parties carter (11, 12). Le dispositif est notamment destiné à réguler la pression d'un système d'alimentation en carburant.

Claims (10)

  1. Dispositif pour une installation de carburant comportant un boítier (10) avec une première partie de boítier (11) et au moins une seconde partie de boítier (12), les deux parties de boítier (11, 12) étant maintenues réunies dans une zone de fixation (40), ainsi qu'une unité de membrane (14, 15) serrée entre la première partie de boítier (11) et la seconde partie de boítier (12) dans la zone de fixation (40) pour subdiviser le boítier en une première et une seconde chambre,
    caractérisé en ce que
    la zone de fixation (40) comprend une zone d'accrochage (42) avec au moins un premier point d'accrochage (42a) prévu sur la première partie de boítier (11) et au moins un second point d'accrochage (42b) prévu sur la seconde partie de boítier (12) et qui s'accroche au premier point d'accrochage (42a), ainsi qu'une zone de serrage (46) avec au moins un premier point de serrage (46a) prévu sur la première partie de boítier (11) et au moins un second point de serrage (46b) prévu sur la seconde partie de boítier (12), et entre la zone d'accrochage (42) et la zone de serrage (46) il y a au moins une zone élastique (44), et
    l'unité de membrane (14, 15) est serrée dans la zone de serrage (46) par une précontrainte élastique produite par une déformation élastique de la zone élastique (44).
  2. Dispositif appliqué à une installation de carburant selon la revendication 1,
    caractérisé en ce que
    pour un accrochage des deux points d'accrochage (42a, 42b) des deux parties de boítier (11, 12), on sollicite les deux parties de boítier (11, 12) dans une direction de montage (A), l'une contre l'autre avec une force de montage et on génère la déformation élastique de la zone élastique (44) par la force de montage.
  3. Dispositif appliqué à une installation de carburant selon l'une quelconque des revendications 1 ou 2,
    caractérisé en ce que
    la zone élastique (44) est formée par une première surface (11e) adjacente au premier point de serrage (46a) et une seconde surface (12e) adjacente au second point de serrage (46b), les deux surfaces (11e, 12e) faisant entre elles un angle relatif (α).
  4. Dispositif appliqué à une installation de carburant selon la revendication 3,
    caractérisé en ce que
    l'angle (α) s'ouvre en direction de la zone d'accrochage (42).
  5. Dispositif appliqué à une installation de carburant selon l'une quelconque des revendications 3 ou 4,
    caractérisé en ce que
    la précontrainte élastique est produite lors de l'assemblage de la première partie de boítier (11) à la seconde partie de boítier (12) par une modification de l'angle (α).
  6. Dispositif appliqué à une installation de carburant selon l'une quelconque des revendications 1 à 5,
    caractérisé en ce que
    l'une des parties de boítier (12) a dans la zone de fixation (40) une section en forme de U et comporte deux branches (12c, 12g) ainsi qu'un segment de liaison (12e), la zone d'accrochage (42) étant prévue sur l'une des deux branches (12g) et la zone de serrage (46) sur le segment de liaison (12e).
  7. Dispositif appliqué à une installation de carburant selon la revendication 6,
    caractérisé en ce que
    sur l'autre partie de boítier (11) on a au moins une partie en saillie (50, 52) dirigée radialement, et derrière laquelle vient prendre la branche (12g).
  8. Dispositif appliqué à une installation de carburant selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'une des parties de boítier (11) est formée dans une pièce en matière plastique (6).
  9. Dispositif appliqué à une installation de carburant selon la revendication 8,
    caractérisé par
    une butée (30) prévue sur la partie en matière plastique (6), et contre laquelle vient en appui l'unité de membrane (14, 15).
  10. Dispositif appliqué à une installation de carburant selon la revendication 9,
    caractérisé en ce que
    la butée (30) est en forme de siège de soupape.
EP97951837A 1997-02-13 1997-12-09 Dispositif dans un systeme d'alimentation en carburant Expired - Lifetime EP0894191B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19705405A DE19705405A1 (de) 1997-02-13 1997-02-13 Vorrichtung für eine Kraftstoffanlage
DE19705405 1997-02-13
PCT/DE1997/002862 WO1998036168A1 (fr) 1997-02-13 1997-12-09 Dispositif destine a un systeme d'alimentation en carburant

Publications (2)

Publication Number Publication Date
EP0894191A1 EP0894191A1 (fr) 1999-02-03
EP0894191B1 true EP0894191B1 (fr) 2003-03-26

Family

ID=7820060

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97951837A Expired - Lifetime EP0894191B1 (fr) 1997-02-13 1997-12-09 Dispositif dans un systeme d'alimentation en carburant

Country Status (7)

Country Link
US (1) US6016831A (fr)
EP (1) EP0894191B1 (fr)
JP (1) JP4040109B2 (fr)
KR (1) KR20000064884A (fr)
BR (1) BR9709120A (fr)
DE (2) DE19705405A1 (fr)
WO (1) WO1998036168A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19650783A1 (de) * 1996-12-06 1998-06-10 Bosch Gmbh Robert Vorrichtung für eine Kraftstoffanlage einer Brennkraftmaschine
US6422205B2 (en) * 2000-01-27 2002-07-23 Siemens Automotive Corporation Twist off pressure regulator connector assembly
DE60311352T2 (de) * 2002-06-06 2007-06-14 Siemens Vdo Automotive Corp., Auburn Hills Kraftstoffsystem mit einem Durchflussdruckregler
EP1369581A1 (fr) * 2002-06-06 2003-12-10 Siemens VDO Automotive Corporation Régulateur de pression contenant une coupelle de ressort montée en force
US6886590B2 (en) * 2002-09-20 2005-05-03 Siemens Vdo Automative Corporation Seal assembly for fuel pressure regulator
US20040055645A1 (en) * 2002-09-25 2004-03-25 Siemens Vdo Automotive Corporation Flow-through pressure regulator including a housing with a press-fit closure member assembly
US7063104B2 (en) * 2002-09-25 2006-06-20 Siemens Vdo Automotive Corporation Flow-through pressure regulator including a closure member assembly integrated with a housing
US6942787B2 (en) * 2002-12-20 2005-09-13 Siemens Vdo Automotive Corporation Filter module with pressure regulator
US6834673B2 (en) * 2002-12-20 2004-12-28 Siemens Vdo Automotive Corporation Pump module with pressure regulator
JP2004353520A (ja) * 2003-05-28 2004-12-16 Mitsubishi Electric Corp 燃料噴射装置
US7040344B2 (en) * 2003-06-06 2006-05-09 Siemens Vdo Automotive Corporation Pressure regulator including a fixed valve ball and method of assembling the same
US7819132B2 (en) * 2004-11-24 2010-10-26 Continental Automotive Systems Us, Inc. Pressure regulator with ceramic valve element
DE112005002871T5 (de) * 2004-12-01 2007-10-18 Siemens Vdo Automotive Corporation, Auburn Hills Druckregler mit keramischem Ventilelement
DE102004061811B4 (de) * 2004-12-22 2017-12-21 Robert Bosch Gmbh Drucksystem mit wenigstens zwei Druckkreisen
KR100717288B1 (ko) 2006-01-12 2007-05-15 인지컨트롤스 주식회사 차량의 연료시스템용 압력조절기
JP5002523B2 (ja) 2008-04-25 2012-08-15 日立オートモティブシステムズ株式会社 燃料の圧力脈動低減機構、及びそれを備えた内燃機関の高圧燃料供給ポンプ
FR3012849B1 (fr) * 2013-11-04 2018-06-01 Nobel Plastiques Dispositif amortisseur de pulsations.
JP5923549B2 (ja) * 2014-05-20 2016-05-24 日立オートモティブシステムズ株式会社 高圧燃料供給ポンプ、及び高圧燃料供給ポンプの製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3818765A (en) * 1971-02-17 1974-06-25 Sentralinst For Ind Forskning Device for sterile measurement of liquid or gas pressures

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3411522A (en) * 1966-12-27 1968-11-19 Robert L. Golden Vacuum regualtor means and parts therefor
DE2354461C2 (de) 1973-10-31 1982-04-01 Robert Bosch Gmbh, 7000 Stuttgart Membrangesteuertes Druckregelventil
CA1228279A (fr) * 1984-06-21 1987-10-20 Martin J. Field Regulateur de pression du carburant
US5078167A (en) * 1990-12-18 1992-01-07 Parr Manufacturing, Inc. Fuel filter and pressure regulator system apparatus
US5458104A (en) * 1994-01-14 1995-10-17 Walbro Corporation Demand fuel pressure regulator
US5577478A (en) * 1995-11-03 1996-11-26 Walbro Corporation Integrated fuel pressure regulator and rail assembly
DE19618647A1 (de) * 1996-05-09 1997-11-13 Bosch Gmbh Robert Vorrichtung zum Versorgen einer Brennkraftmaschine mit Kraftstoff aus einem Vorratsbehälter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3818765A (en) * 1971-02-17 1974-06-25 Sentralinst For Ind Forskning Device for sterile measurement of liquid or gas pressures

Also Published As

Publication number Publication date
DE59709634D1 (de) 2003-04-30
DE19705405A1 (de) 1998-08-20
BR9709120A (pt) 2000-05-09
KR20000064884A (ko) 2000-11-06
WO1998036168A1 (fr) 1998-08-20
EP0894191A1 (fr) 1999-02-03
JP2000509463A (ja) 2000-07-25
US6016831A (en) 2000-01-25
JP4040109B2 (ja) 2008-01-30

Similar Documents

Publication Publication Date Title
EP0894191B1 (fr) Dispositif dans un systeme d'alimentation en carburant
EP2187040B1 (fr) Dispositif d'injection de carburant
EP0877860A1 (fr) Soupape d'injection de carburant
WO1997022798A1 (fr) Soupape d'injection de carburant
EP2203639A1 (fr) Dispositif d'injection de carburant
EP0920359A1 (fr) Soupape et procede de realisation d'un siege destine a une soupape
EP0935707A1 (fr) Injecteur de carburant
DE19962960A1 (de) Druckregelventil und Verfahren zum Herstellen eines Druckregelventils
DE2207210A1 (de) Brennstoff-Einfüllkappe
EP1108134B1 (fr) Soupape d'injection de carburant
WO1998025023A1 (fr) Dispositif pour systeme d'alimentation en carburant
WO2002075143A1 (fr) Electrovanne
EP1200728A1 (fr) Soupape d'injection de carburant
DE68903690T2 (de) Spritzduesenzusammensetzung fuer kolbenkuehlung.
EP0906505A1 (fr) Dispositif pour systeme d'alimentation en carburant dans un moteur a combustion interne
WO2005085621A2 (fr) Materiau composite comprime constitue d'une partie metallique et d'une partie plastique
DE10315067A1 (de) Piezoelektrischer Aktor mit einem zweiteiligen hülsenförmigen Gehäuse und Verfahren zur Herstellung eines Gehäuses für einen piezoelektrischen Aktor
DE102016224722A1 (de) Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil
DE112019003842T5 (de) Selbstformende dichtungsanordnung und verfahren zu deren konstruktion und zusammenbau
DE102017126332A1 (de) Kraftstoffeinspritzventil
DE102017219630A1 (de) Einspritzanlage, insbesondere Brennstoffeinspritzanlage, mit einer Fluid führenden Komponente, einem Zumessventil und einer Aufhängung
DE102017223866A1 (de) Ventil zum Zumessen eines Fluids, insbesondere Brennstoffeinspritzventil
DE102022210875A1 (de) Brennstoffeinspritzventil
DE102019209231A1 (de) Druckpulsationsdämpfungsvorrichtung mit wenigstens einer Membrandämpferdose
DE10006915B4 (de) Drosselbohrungsanordnung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB IT SE

17P Request for examination filed

Effective date: 19990222

17Q First examination report despatched

Effective date: 20010907

RTI1 Title (correction)

Free format text: DEVICE IN A FUEL SUPPLY SYSTEM

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): DE FR GB IT SE

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REF Corresponds to:

Ref document number: 59709634

Country of ref document: DE

Date of ref document: 20030430

Kind code of ref document: P

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
ET Fr: translation filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20031120

Year of fee payment: 7

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20031230

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20041209

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20041209

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20051222

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20061210

EUG Se: european patent has lapsed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20121220

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20130225

Year of fee payment: 16

Ref country code: FR

Payment date: 20130123

Year of fee payment: 16

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 59709634

Country of ref document: DE

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20140829

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 59709634

Country of ref document: DE

Effective date: 20140701

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140701

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20131231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20131231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20131209