EP0906505B1 - Vorrichtung für eine kraftstoffanlage einer brennkraftmaschine - Google Patents

Vorrichtung für eine kraftstoffanlage einer brennkraftmaschine Download PDF

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Publication number
EP0906505B1
EP0906505B1 EP97949937A EP97949937A EP0906505B1 EP 0906505 B1 EP0906505 B1 EP 0906505B1 EP 97949937 A EP97949937 A EP 97949937A EP 97949937 A EP97949937 A EP 97949937A EP 0906505 B1 EP0906505 B1 EP 0906505B1
Authority
EP
European Patent Office
Prior art keywords
housing
stop
base body
basic body
fastening
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
EP97949937A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0906505A1 (de
Inventor
Albert Gerhard
Willi Strohl
Jochen Rose
Erich Eiler
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 EP0906505A1 publication Critical patent/EP0906505A1/de
Application granted granted Critical
Publication of EP0906505B1 publication Critical patent/EP0906505B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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
    • 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 relates to a device for a Fuel system according to the preamble of claim 1.
  • Such a device is described in WO 90/03513 and DE-A-4 409 133 known.
  • Another device is described in DE 44 02 224 A1 known.
  • This device has one in the reservoir arranged feed pump on through an opening in the Storage container is insertable.
  • the opening in Storage container is by means of a closure part closable, on which a pressure regulator is arranged.
  • the Pressure regulator has a pressure chamber that connects to the delivery side of the feed pump, to the internal combustion engine and to has a relief line.
  • the closure part has thereby one made of plastic, the opening closing flange-like body.
  • in the Base body is formed a recess into which a Connection of the pressure chamber to the relief chamber forming connecting piece formed in one piece with the base body protrudes.
  • the deepening of the body is for education the pressure chamber with an elastically deformable membrane covered that directly as the face of the neck Seat interacts.
  • the membrane is connected by a spring Applied to the nozzle, and when exceeding one Certain pressure in the pressure chamber, the membrane gives the nozzle free to connect the pressure chamber with the relief chamber.
  • the membrane is attached to the body.
  • the membrane In the known device, the membrane is in the Inserted the depression, put on the spring and then the Membrane together with a cover against the body curious; excited. Because in the known device the power of Spring acts on the membrane before the membrane is fixed cannot be prevented with certainty, that the membrane shifts a bit sideways and thereby Malfunctions (e.g. pressure control errors, leaks etc.) can occur. Is the device in one Engine compartment installed, then leaks can be very getting dangerous.
  • Malfunctions e.g. pressure control errors, leaks etc.
  • the spring receiving housing has a flange on the outside bent free ends are formed.
  • the flange becomes a collar of a recess in the housing Base body arranged, creating an outer edge of the membrane is clamped.
  • the free ends of the flange reach behind hooks arranged on the collar, whereby the Flange holds the housing on the base body and the membrane clamps.
  • this configuration has the disadvantage that that the hook of the recess the clamping force of the spring need to absorb, which acts on the membrane, so that The membrane closes the connection to the pressure chamber. The one there Large holding forces can not occur through the hook are adequately absorbed, resulting in a drop in the Control pressure can adjust.
  • the base body holding the housing made of relatively soft, easily formable plastic. Beyond that has been found that after a long period of operation material fatigue due to swelling of the plastic can occur, whereby the flange of the holding element is not with sufficient pretension to recess the Base body be arranged and the membrane to the recess can be set.
  • WO 90/03513 and DE 44 09 133 A1 show basic bodies, each of which has a pressure regulator on the base body containing housing is attached. Because the housing is all for the pressure control function contains the necessary components, the effort to manufacture the pressure regulator is pretty expensive and it must be sealed in several places become.
  • the device according to the invention for a fuel system with the features according to claim 1 has the Advantage that simple and quick installation e.g. one easy to manufacture and reliable Pre-assembly module can be made to the base body.
  • the device has the advantage that complex parts for forming, for example, a pressure regulator can be formed as components of the base body, which gives the preassembly assembly a simple configuration.
  • the nozzle with the stopper, through which the fuel return is guided can be injection molded together with the base body as plastic parts using an injection mold.
  • This has the advantage that no additional effort is required in the manufacture of the base body for the manufacture of the stop.
  • the configuration of the pre-assembly module ensures that the spring is prevented from kinking during the assembly of the module, and thus that the diaphragm is properly positioned relative to the housing and the stop provided on the base body. This can reliably prevent the diaphragm from moving during assembly, which means that malfunctions (eg pressure control errors, leaks, etc.) can be excluded.
  • the pre-assembly over the attachment can be arranged under tension to the base body.
  • the Attachment can preferably be a resilient ring preferably be designed as a snap ring, which according to the Insert the pre-assembly into the main body becomes. This makes installation quick and easy, which is also a structurally simple design to accommodate the preassembly on the base body allows.
  • Fastening ring can be provided with snap elements are deflectable during assembly and when assembled engage behind a fastening section of the housing.
  • Another advantageous embodiment of the attachment can be given by a crimp, the one Fastening section of the housing of the preassembly embraces.
  • the preassembly is advantageously both on a base body of a tank flange as well as on one Base body of a fuel rail can be arranged. Regardless of these exemplary arrangements, the Pre-assembly according to the above Fastening principles also in other suitable positions between the tank and the internal combustion engine or Injectors can be arranged.
  • a device shown in simplified form in FIG. 1 is used for Supply an internal combustion engine 10 with fuel a storage container 12.
  • This has a feed pump 14 on, which is arranged in the reservoir 12 and there in is not shown.
  • the feed pump 14 can be done in any way, and this absorbs its suction side fuel from the reservoir 16 in Storage container 12 on.
  • the reservoir 12 points in ciner Wall 18 has an opening 20 through which the feed pump 14 can be introduced.
  • the opening 20 is after insertion the feed pump 14 can be closed with a closure part 22, through the closure member 22 a line for connection the pressure side of the feed pump 14 with the internal combustion engine 10 is performed.
  • Fuel filter 15 may be arranged.
  • the configuration of the closure part 22 is Inclusion of a preassembled module that is used for the Fig. 2 preferred selected embodiment a part of a pressure regulator 24 is shown.
  • the pre-assembled Subassembly is subsequently referred to as preassembly 23 designated.
  • the closure member 22 has one Injection molding made of plastic flange-like Base body 30 on the opening 20 in the reservoir 12th covered. Between an outer edge of the closure part 22 and the wall 18 of the storage container 12 can be a sealing element be arranged.
  • the closure part 22 is not in shown attached to the reservoir 12.
  • the base body 30 On the base body 30 is an inwardly facing one piece Molded connection piece 33 to which a line (not shown) for connection to the pressure side of the Feed pump 14 can be connected. From the body 30 stands also from the outside another connector 37 on the one line (not shown) for connection to the Internal combustion engine 10 can be connected.
  • the connecting pieces 33 and 37 are through channels 35 formed in the base body 30 and 36 connected to each other, the channel 35 of the Connection piece 33 extends approximately perpendicular to level 21.
  • the Channel 36 of the connecting piece 37 runs parallel to the plane 21 away to the outside.
  • the connecting piece 33 and 37 can also in other, largely arbitrary angular positions to level 21 or be arranged to each other.
  • a transition area between the channels 35 and 36 is included a channel 38 connected into a recess 43 of the Base body 30 opens. Center to the recess 43 is on Base body 30 a nozzle 45 arranged with a channel 46 is connected, the one facing inwards Connection piece 50 opens, to which a line is connected can be.
  • the nozzle 45 has on its inside facing end face a stop 47 which in a Closed position is closed by a membrane unit 48.
  • This membrane unit 48 has a membrane 49 on the other to the outside facing a plate 51 is arranged, the in the closed position on the stop 47.
  • On the other A plate 52 is directed inward on the side of the membrane 49 arranged on which a spring 53 is supported. In the Indentation 43 is closed off by membrane 49 Pressure chamber 44 formed.
  • a return channel 55 is provided in the connector 45.
  • the Return channel 55 leads from that on the front side of the nozzle 45 provided stop 47 to the channel 46. It can thus Fuel from stop 47, through return passage 55, through the channel 46 and through the connector 50 in the Drain the reservoir 12.
  • a valve body 60 is connected to the membrane unit 48.
  • the valve body 60 is provided in a plate 51 Deepening held.
  • the spring 53 acts on the Membrane unit 48 against the stop 47. Is the pressure in the Pressure space 44 below a certain value, then the Valve body 60 at stop 47. In this state it is Path for the fuel from the pressure chamber 44 in the Return channel 55 blocked.
  • the spring 53 exerts a counterforce on the membrane unit 48 out.
  • the counterforce can also be caused in other ways become.
  • a gas space can be provided which acts pneumatically on the membrane 49 and thus the Membrane unit 48 acted against the stop 47.
  • the channels 35 and 38 form a fuel connection 40.
  • Der Fuel connection 40 runs through the base body 30 Fuel connection 40 leads from the feed pump 14 delivered fuel or part of the delivered Fuel in the pressure chamber 44.
  • the preassembly module 23 of the pressure regulator 24 has a two-part housing 54, which consists of an upper part and a Lower part exists.
  • the top of the housing 54 will hereinafter referred to as the first housing part 56, and that The lower part is given the name second Housing part 57.
  • the housing 54 can be modified to preferably selected embodiment example also consist of three or more than three housing parts.
  • the first housing part 56 and the second housing part 57 are advantageously formed from sheet steel.
  • the first Housing part 56 and the second housing part 57 have at their free ends two mutually facing, parallel to each other arranged sections 58, 59, between which the membrane 49 is clamped in its edge area.
  • Section 59 of the housing part 57 closes a further section 61 on the section 58 of the first housing part 56 embraces. It can also be the edge areas of the first Housing part 56 and the second housing part 57 with each other pressed or fixed in any other way, so that the membrane 49 at its outer edge region is clamped. This flaring makes it the first Housing part 56 to the second housing part 57 set so that a secure reception of the membrane unit 48 or the membrane 49 is given.
  • the second housing part 57 has an opening 62, which is a connection between the pressure chamber 44 facing side of the membrane unit 48 and that in the Depression 43 provided pressure space 44 allows.
  • the preassembly 23 is in a recess 63 of the Base body 30 arranged. From the base body 30 in the direction considered the reservoir 12, which goes in the Base body 30 provided recess 43 on a radial Paragraph 63a into the recess 63.
  • the base body 30 facing surface of section 59 of the Pre-assembly 23 is located on the radial shoulder 63a of the Base body 30.
  • a sealing element 64 arranged that a seal between the base body 30 and the preassembly 23.
  • the sealing element 64 is used so that the fuel does not accidentally between the housing 54 and the base body 30 from the pressure chamber 44 can escape.
  • the paragraph 63a intervenes.
  • This cam-shaped elevation can be in one in the engage radial recess 63a provided recess.
  • the paragraph 63a is flat or the deepening less than the circumferential survey is trained. This can be achieved that a fairly high surface pressure and therefore a good one Sealing effect and a good hold of the assembly 23 for Recess is guaranteed. Even if the Deepening in the base body 30 is obtained by the survey a metallic seal with high surface pressure and therefore a good sealing effect.
  • the sealing element 64 can thus can be saved or provided as an additional seal his.
  • the preassembly 23 is in the recess 63 used until the pre-assembly 23 with your Section 59 comes to rest on the radial shoulder 63a.
  • the recess 63 is of an annular, circumferential, in surround the reservoir 12 protruding bead.
  • the bead is relatively narrow and can therefore be used with a simple Stamp can be bent slightly.
  • the bead forms one deformable area 66 of the base body 30.
  • the bead Before the Attaching the pre-assembly module 23 to the base body 30 the bead has a cylindrical shape.
  • the Sections 58, 59, 61 projecting bead radially inwards bent.
  • Sections 58, 59, 61 of the housing 54 and the deformable, peripheral area 66 of the base body 30 a creates in the area of sections 58, 59, 61 of the housing 54 and the deformable, peripheral area 66 of the base body 30 a the pre-assembly 23 on Base body 30 holding attachment 80.
  • Sections 58, 59, 61 of the preassembly 23 form one on the housing 54 the pre-assembly 23 provided attachment portion 80a, on which the deformable region 66 of the base body 30 can attack.
  • the attachment 80 engages between the base body 30 and the preassembly 23 on the Attachment section 80a.
  • the second housing part 57 expediently has one cylindrical paragraph 67, whereby the Pre-assembly module 23 for recess 63 in a defined Position can be arranged.
  • the bead crimped After assembly 23 is inserted into the recess 63, the bead crimped.
  • the preassembly 23 in the Recess 63 of the base body 30 is arranged. This is ensures that a precise recording of the Pre-assembly 23 is given, which in turn a exact positioning of the membrane group 48 to the nozzle 45 given is.
  • Relief opening 65 is provided in the first housing part 56 of the housing 54 . This allows the on the the side of the membrane 49 facing away from the pressure space 44 Communicate room with the ambient air so that the Counter force of the spring 53 the valve body 60 against the stop 47 can act undisturbed. But it is also possible especially if the pressure regulator 24 is directly in the area the engine 10 is arranged, the Relief port 65 over one, the better Clarity due to line not shown for example with a leading to the internal combustion engine 10 Connect suction line, so that on the membrane unit 48 counterforce due to the pressure in the suction line can be influenced.
  • the attachment 80 of the preassembly 23 to the base body 30 can alternatively to flanging by turning or Caulking the bead of the deformable region 66 is given his.
  • This embodiment of the invention Pre-assembly 23 also allows the Stub 45 in the base body 30 of the closure part 22nd can be integrated, making a simple design of the pressure regulator 24 is made possible, as well as a inexpensive design of the base body 30 itself surrounds the embodiment shown in FIG. 2 the bead serving as a deformable region 66 without Interrupting the outer edge of the recess 63.
  • FIG. 3 is a variant of the attachment 80 of the Pre-assembly module 23 for the base body 30 of the closure part 22 compared to FIG. 2 shown enlarged.
  • the base body 30 has a groove 71 into which a ring 72 after positioning the preassembly 23 in the Recess 63 can be arranged.
  • This ring 72 can be used as Snap ring can be formed, which allows the Pre-assembly 23 held securely in the recess 63 becomes.
  • the ring 72 has one at one point on its circumference radial slot.
  • the ring 72 is elastic, springs outwards in the radial direction and thereby holds with elastic pre-tension securely in the groove 71.
  • This Design has the advantage that a simple Replacing the preassembly 23 enables and a Tolerance compensation is possible.
  • the ring 72 has in front of his Installation in the groove 71 viewed in cross section is approximately frustoconical shape, similar to a disc spring.
  • the Ring 72 is inserted around the groove 71 so that the first inner diameter of the ring 72 on the portion 61 of the Mounting portion 80a of the housing 54 of the Pre-assembly 23 is applied and so that the outer Diameter of the ring 72 on the section 61 facing away Flank 71a of the groove 71 comes to rest.
  • the distance between the flank 71a of the base body 30 and the radial extending paragraph 63a is on the thickness of the ring 72 and the thickness of the sections 58, 59, 61 Fastening section 80a so that the ring 72 elastic when installed in the groove 71 in the holding direction deformed.
  • the embodiment can also be modified so that the ring 72, viewed in the circumferential direction, is light is wavy, the waveform on the installation dimensions so is tuned that the shafts of the ring 72 after installation be flattened somewhat in the groove 71 in the holding direction and thus the ring 72 due to its elastic deformation Fastening section 80a with bias against the radial Paragraph 63a of the base body 30 presses.
  • This also leads to that the attachment 80 for an easy to manufacture durable and safe positioning of the Pre-assembly module 23 ensures against the base body 30.
  • pre-assembly 23 in the recess 63 disc-shaped ring is arranged by then caulking or turning or flanging the deformable area 66 of the base body 30 die Pre-assembly module 23 under prestress in the recess 63 positioned.
  • the diameter is the center in the second housing part 57 provided opening 62 smaller than the outside diameter of the opening Plates 51 of the membrane unit 48. This results in the second housing part 57 a stop 73 on which the plate 51st the membrane unit 48 can come to rest.
  • the plate 51 Before growing the Pre-assembly module 23 on the base body 30 and after a possible removal of the preassembly 23 from Base body 30, the plate 51 abuts the stop 73.
  • the stop 73 Holds plate 51 so that the spring 53 the membrane 49th cannot overstretch. This will make the pre-assembly 23 easy to handle, easy to store, and the Pre-assembly 23 is also before the attachment to the Base body 30 well protected from damage.
  • a ring with a thread can be used which fixes the housing 54 in the recess 63. Due to the inclusion of the membrane 49 between the sections 58 and 59 of the first housing part 56 and the second Housing part 57 is a correct positioning of the Given membrane unit 48, since the threaded ring on the Section 61 of the second housing part 57 attacks and during the fastening process has no influence on the Membrane group 48 has.
  • FIG. 4 shows a further alternative to FIGS. 2 and 3 shown in cross section.
  • the attachment of the Pre-assembly module 23 serving on the base body 30 Fastening 80 can be made in the base body 30 injected mounting ring 75.
  • the Fastening ring 75 has on its inward-facing End, i.e. at its end pointing away from the base body 30, distributed over the circumference tabs 76, which after the Positioning of the pre-assembly 23 in the recess 63 are bent so that this section 61 of the second Reach behind housing ceilings 57 and preassembly module 23 set in the recess 63.
  • the fastening ring 75 consists for example of resilient Steel, and the length of the mounting ring 75 in Holding direction is so on the mounting section: 80a the Pre-assembly 23 matched that the Fastening ring 75 elastic when bending the tabs 76 deformed and by this elastic deformation of the Fastening ring 75 a the housing 54 against the radial Paragraph 63 creates exciting elastic preload.
  • the fastening ring 75 at its end pointing away from the base body 30 Has snap elements, which during the cultivation process Pre-assembly module 23 can be deflected and installed Condition with its hook elements section 62 of the reach behind the second housing part 57 and again in the Define recess 63.
  • Another alternative Embodiments of attachment 80 that are simple Allow mounting of the preassembly assembly 23 are also conceivable.
  • FIGS. 1 to 4 show the pressure regulator 24, which on the closure member 22nd is arranged.
  • the pressure regulator 24 is in the reservoir 12 installed and as a so-called return-free system educated.
  • the return-free system is called because with this system excess, of which Internal combustion engine 10 fuel not required by the provided in the closure part 22 pressure regulator 24 directly into the Reservoir 12 is returned and therefore none, excess fuel from the engine 10 in the reservoir 12 returning return line required becomes.
  • FIG. 5 is an alternative embodiment of the device according to the invention in one Fuel rail 82 shown.
  • the embodiment is not part of the base body 30 of the closure part 22 as in that shown in FIG. 2 Embodiment, but the base body 30 is Part of the fuel rail 82.
  • the body 30 essentially corresponds to the shape shown in FIG. 2 is described, but without fasteners are provided, through which the base body 30 on Storage container 12 is arranged. 2 to 4 described options can also be used to attach the Pre-assembly module 23 for basic body 30 optionally be provided.
  • the fuel rail 82 is usually in the engine compartment near the engine 10 arranged. The fuel comes from the feed pump 14 (Fig. 1) via a supply line to the channel 35 in the connecting piece 33 (Fig. 5).
  • Fuel that is not required flows out of the pressure chamber 44 between the stop 47 serving as the valve seat and the Valve body 60 in the return channel 55 and from there the connecting piece 50 and by a not shown Return line back to the reservoir 12.
  • the channel 36 in the integrally formed on the base body 30 37 does not lead to a better clarity injector shown. Via the injector the fuel gets into the internal combustion engine 10.
  • Number of injectors required can be added to the Base body 30 of the fuel rail 82 next to the Channel 36 in the connecting piece 37 further connected in parallel Channels and connecting pieces are formed so that each of the Injectors via a separate connector on Fuel rail 82 is connected.
  • pressure regulator 24 also anywhere else in the fuel supply system can be provided.
  • 6 is also a device for a Fuel supply system shown with the membrane 49, that in its edge area between the first housing part 56 and the second housing part 57 is firmly clamped. Also at this embodiment is created by crimping the two Housing parts 56, 57 on the outer circumference of the connection 70, through which the two housing parts 56, 57 firmly together are connected and the membrane 49 in the housing 54 is tight, tight, is installed reliably and permanently.
  • This one too Embodiment is the pressure space 44 with the Fuel port 40 connected. Via the fuel connection 40 can supply fuel to or from the pressure chamber 44 Pressure chamber 44 fuel are discharged. 6 shown device is used for example for smoothing Pressure pulsations of the fuel in the pressure chamber 44 or in Fuel connection 40.
  • This device is therefore usually referred to as a pressure damper. 6 shown device can also be dimensioned so that the membrane 49 has a relatively large working stroke, so that the device has a corresponding increase in pressure Amount of fuel that the pressure chamber 44 can then releases a pressure drop in the fuel, which is why with appropriate dimensioning this device also as Fuel storage is called.
  • the attachment 80 according to the invention for the Pre-assembly 23 is also made of metal trained base body 30 possible. It is for example instead of that shown in FIG. 4 injected resilient mounting ring 75 a pinched or tensioned resilient ring to the body 30 arranged.
  • Exemplary embodiments have in common that by the pre-assembly 23 a secure recording and positioning the membrane 49 or the membrane unit 48 is given, so that regardless of the rest of the design of the Device, in particular regardless of whether the Device as a pressure regulator, as a pressure damper or as Memory works, the preassembly 23 in the correct position Base body 30 is positioned, making a safe Positioning and functionality of membrane 49 is given, which separates the pressure chamber 44.
  • the membrane unit 48 is located in the essentially within the pre-assembly assembly 23.
  • the stop 47 depending on the use for the device as a valve seat or serves as an end stop, is provided on the base body 30.
  • the stop 47 can be passed through together with the base body 30 simple spraying or pouring or injection molding of the Manufacture base body 30 together with base body 30.
  • To produce the stop 47 on the base body 30 is none additional effort or an insignificant additional Effort required.
  • the preassembly 23 can be made without the stop 47 is the Production of the pre-assembly 23 very easy.
  • By simple attachment of the preassembly 23 using the Attachment 80 to the base body 30 results in a functional device, depending on the other Execution, for example as a pressure regulator or For example, work as a pressure damper or as a memory can.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)
  • Harvesting Machines For Specific Crops (AREA)
  • Portable Nailing Machines And Staplers (AREA)
EP97949937A 1996-12-06 1997-11-17 Vorrichtung für eine kraftstoffanlage einer brennkraftmaschine Expired - Lifetime EP0906505B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19650783 1996-12-06
DE19650783A DE19650783A1 (de) 1996-12-06 1996-12-06 Vorrichtung für eine Kraftstoffanlage einer Brennkraftmaschine
PCT/DE1997/002690 WO1998025024A1 (de) 1996-12-06 1997-11-17 Vorrichtung für eine kraftstoffanlage einer brennkraftmaschine

Publications (2)

Publication Number Publication Date
EP0906505A1 EP0906505A1 (de) 1999-04-07
EP0906505B1 true EP0906505B1 (de) 2003-04-02

Family

ID=7813914

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97949937A Expired - Lifetime EP0906505B1 (de) 1996-12-06 1997-11-17 Vorrichtung für eine kraftstoffanlage einer brennkraftmaschine

Country Status (10)

Country Link
US (1) US6161574A (ko)
EP (1) EP0906505B1 (ko)
JP (1) JP4082738B2 (ko)
KR (1) KR19990082095A (ko)
CN (1) CN1075161C (ko)
AT (1) ATE236353T1 (ko)
BR (1) BR9707490A (ko)
DE (2) DE19650783A1 (ko)
ES (1) ES2196379T3 (ko)
WO (1) WO1998025024A1 (ko)

Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
US6886590B2 (en) * 2002-09-20 2005-05-03 Siemens Vdo Automative Corporation Seal assembly for fuel pressure regulator
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
JP4128503B2 (ja) * 2003-08-29 2008-07-30 本田技研工業株式会社 燃料タンク
BRPI0601281A (pt) * 2005-04-19 2006-12-19 Ti Group Automotive Sys Llc sistema de combustìvel lìquido para um motor de combustão injetado de combustìvel
US20080111088A1 (en) * 2006-11-10 2008-05-15 Roper Pump Company Self-contained relief valve adjustment device
JP2022176520A (ja) * 2021-05-17 2022-11-30 愛三工業株式会社 燃料供給装置
US11846259B2 (en) * 2021-11-22 2023-12-19 Coavis Pressure regulator and fuel pump module having the same

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Publication number Priority date Publication date Assignee Title
CA1228279A (en) * 1984-06-21 1987-10-20 Martin J. Field Fuel pressure regulator
DE3505625C2 (de) * 1985-02-19 1994-06-01 Bosch Gmbh Robert Kraftstoff-Druckregelvorrichtung
US4991556A (en) * 1988-09-28 1991-02-12 Siemens-Bendix Automotive Electronics L.P. Automotive fuel rail assemblies with integral means for mounting fuel regulator
US5076320A (en) * 1990-10-19 1991-12-31 Siemens Automotive L.P. Fuel rail mounted fuel pressure regulator
DE4402224A1 (de) 1994-01-26 1995-07-27 Bosch Gmbh Robert Vorrichtung zum Versorgen einer Brennkraftmaschine mit Kraftstoff aus einem Vorratsbehälter
DE4409133A1 (de) * 1994-03-17 1995-09-21 Bosch Gmbh Robert Druckregelventil
DE19581548B9 (de) * 1995-02-03 2008-11-06 Denso Corp., Kariya-shi Kraftstoffzuführsystem
DE19522042A1 (de) * 1995-06-17 1996-12-19 Bosch Gmbh Robert Druckregelvorrichtung
DE19705405A1 (de) * 1997-02-13 1998-08-20 Bosch Gmbh Robert Vorrichtung für eine Kraftstoffanlage

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Publication number Publication date
ES2196379T3 (es) 2003-12-16
DE19650783A1 (de) 1998-06-10
JP4082738B2 (ja) 2008-04-30
KR19990082095A (ko) 1999-11-15
US6161574A (en) 2000-12-19
JP2000504393A (ja) 2000-04-11
BR9707490A (pt) 1999-07-27
DE59709704D1 (de) 2003-05-08
EP0906505A1 (de) 1999-04-07
WO1998025024A1 (de) 1998-06-11
CN1210573A (zh) 1999-03-10
CN1075161C (zh) 2001-11-21
ATE236353T1 (de) 2003-04-15

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