EP3504470A1 - Support de fixation de conduites d'alimentation et de retour de carburant - Google Patents
Support de fixation de conduites d'alimentation et de retour de carburantInfo
- Publication number
- EP3504470A1 EP3504470A1 EP17751801.6A EP17751801A EP3504470A1 EP 3504470 A1 EP3504470 A1 EP 3504470A1 EP 17751801 A EP17751801 A EP 17751801A EP 3504470 A1 EP3504470 A1 EP 3504470A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- support
- pulsation damper
- fixing
- pipe
- 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.)
- Withdrawn
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 67
- 230000010349 pulsation Effects 0.000 claims description 30
- 230000001681 protective effect Effects 0.000 claims description 11
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000426 Microplastic Polymers 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229920005570 flexible polymer Polymers 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/22—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals
- F16L3/237—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals for two pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/24—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special member for attachment to profiled girders
- F16L3/243—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special member for attachment to profiled girders the special member being inserted in the profiled girder
-
- 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
- F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
- F02M2200/315—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements for damping fuel pressure fluctuations
-
- 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
- F02M2200/85—Mounting of fuel injection apparatus
- F02M2200/855—Mounting of fuel injection apparatus using clamp elements or fastening means, e.g. bolts or screws
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
- F16B5/0685—Joining sheets or plates to strips or bars
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/12—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing
- F16L3/13—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing and engaging it by snap action
Definitions
- the invention relates to a support for fixing fuel lines in a motor vehicle engine, comprising a base, a fixing portion to the heat engine and at least a first clipping lyre adapted to receive and maintain at least a first fuel line.
- the support also comprises mechanical fastening means adapted to receive and mechanically fix a fuel pulsation damper.
- These mechanical fixing means may have different implementations. They have to cooperate mechanically with the pulsation damper, with in particular discrete means, such as retaining hooks, in particular at least 2 or 3, or any other continuous means, such as a clamping ring.
- the invention also relates to an assembly comprising a support for fixing fuel lines in a motor vehicle engine, a first fuel line and a fuel pulsation damper, said support comprising a base, a part fixing said thermal engine and at least a first clipping lyre adapted to receive and maintain said first fuel line, said system also comprising mechanical fastening means adapted to receive and mechanically fix said fuel pulsation damper.
- the mechanical fixing means comprise at least one inner face of the base which is adapted to receive the fuel pulsation damper and a retaining means capable of mechanically fixing the fuel pulsation damper in the mechanical mounting bracket.
- the inner face of the base comprises a plurality of pads on which rests a bottom face of the fuel pulsation damper.
- the retaining means comprises at least one rib forming abutment adapted to abut against a circumferential side wall of the fuel pulsation damper.
- the fixing portion is a standard element adapted to be inserted and snap into a corresponding standard housing of a protective part of the engine.
- the invention also relates to an assembly comprising a pipe fastening support as briefly described above, a protective part in the form of a thermal motor distribution protection casing, the pipe-securing support being mechanically fixed to the protective casing by insertion and snapping of its standard attachment part to a standard housing of the protective casing, a fuel-pulsation damper mounted on the pipe-fixing support, a pipe of fuel supply inserted and clipped into the pipe-fixing bracket, and a fuel return line having first and second ends connected to first and second ends of the fuel-pulsation damper.
- the invention also relates to a powertrain comprising a heat engine and the assembly with a pipe fixing bracket as described above.
- the invention also relates to a vehicle, including an automobile, comprising such a powertrain.
- - Fig.1 is a perspective view of a pipe fastening support according to the prior art
- FIG. 2 is a perspective view of a first embodiment of the pipe fastening support according to the present invention
- - Fig.3 is a partial perspective view showing the pipe fixing bracket of Fig.2 in its environment, mounted on a protective housing of the engine and ensuring the fixing of fuel supply lines and return and the fuel pulsation damper
- FIG. 4 is a perspective view of another embodiment of a pipe-fixing support according to the invention.
- FIG.2 there is now described a particular embodiment 2 of a pipe fastening support according to the invention for the mechanical fastening, substantially in one location, pipes fuel supply and return and fuel return pulsation damper.
- the pipe fastening support 2 is here a monobloc piece, coming from molding.
- the support is obtained by injection molding from plastic granules.
- a technical plastic is used which offers good mechanical strength and good temperature resistance, such as, for example, a polyamide (PA).
- PA polyamide
- This choice of a one-piece part is advantageous in terms of manufacture and assembly, compared to multi-material devices that combine a flexible polymer to ensure the absorption of vibrations and a rigid polymer to ensure proper support function.
- the one-piece support can perform the dual function not by using two different materials, but by adopting the appropriate geometry and further accommodating means for damping fuel pulsation.
- the pipe fixing support 2 comprises a base formed substantially of three base sections 20, 21 and 22.
- the base portion 20 is a central section on which rests a first clipping lyre 200 and a first retaining hook 201 projecting perpendicularly upwards relative to a planar face 202 of the base portion 20.
- the second base portion 21 is a roughly circular shaped section which extends downwards the central base section 20.
- the second base portion 21 comprises a flat inner face 210 and two radial extensions 21 1 and 212
- a second retaining hook 213 projects perpendicularly upwards with respect to a flat face of the first radial extension 21 1 coplanar with the flat inner face 210.
- a second clipping linkage 214 rests on the second radial extension 212.
- the third base portion 22 has a roughly trapezoidal shape which extends upwards the central base portion 20.
- the third base portion 22 comprises a flat portion 220 and a fixing portion 222 which is perpendicular to the part 220.
- the flat part 220 is provided with a longitudinal reinforcing rib 221 and is substantially coplanar with the flat inner face 210.
- the fixing portion 222 is standardized and is compatible for insertion and s' snap into one housing that that provided for the fastening portion 1 1 of the pipe fastening support 1 of the prior art shown in Fig.1.
- the protective casing 3 is the distribution protection casing of the heat engine.
- the pipe fixing bracket 2 is fixed to the housing 3 by its standard fastening portion 222 which is inserted and clipped into a corresponding housing 30 of the housing 3.
- the feed pipe of fuel 4 is inserted into the clipping link 200.
- the fuel return line 5a is inserted into the clipping link 214.
- the fuel pulsation damper 6 is mounted on the second base portion 21.
- a lower face (not visible in FIG. 3) of the damper 6 bears against studs 210a, 210b and 210c (see FIG. 2) of the plane inner face 210 of the second base section 21.
- the damper 6 comprises a circumferential flange 60 on which the retaining hooks 201 and 213 engage.
- Two ribs forming stops 215 included in the second radial extension 212 abut against a circumferential lateral wall 61 of the damper 6 and participates with the hooks 201, 213 and the pads 210a, 210b and 210c to the complete mechanical immobilization of the damper 6 in the pipe fixing support 2.
- an end of the portion 5a is force-fitted, with sealing, in a fuel outlet tip (not visible) of the damper 6.
- the current return pipe portion 5b as shown in Fig.3, its connection to a fuel outlet end of the damper 6 is not in mechanical connection with the support 2 according to the invention.
- FIG.4 Another embodiment 2a of the pipe fixing support according to the invention is shown in Fig.4.
- this support 2a the clipping lyre 214 and the ribs forming stops 215 of the support 2 are not implanted and an additional retaining hook 216 is added for fixing the damper 6.
- the mechanical fixing of the fuel return pipe portions 5a and 5b is ensured by the respective sockets of these in the ends of exit and entry of the shock absorber 6.
- the pipe fastening support of the present invention retains, on the one hand, the existing standardization for fixing the supports on the heat engine and, on the other hand, the connection / serial interface between the end caps. the damper 6 and the fuel return line, thus avoiding additional development costs.
- the invention makes it possible to locate the fuel lines and the pulsation damper in the same zone that is compatible with the safety constraints with respect to impacts.
- the invention also makes it possible to guarantee the necessary loops of travel for the fuel lines under the bonnet.
- the invention is not limited to the particular embodiment which has been described here by way of example. Those skilled in the art, according to the applications of the invention, may make various modifications and variations that fall within the scope of the appended claims.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1657875A FR3055376B1 (fr) | 2016-08-24 | 2016-08-24 | Support de fixation de conduites d’alimentation et de retour de carburant |
| PCT/FR2017/051978 WO2018037176A1 (fr) | 2016-08-24 | 2017-07-20 | Support de fixation de conduites d'alimentation et de retour de carburant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3504470A1 true EP3504470A1 (fr) | 2019-07-03 |
Family
ID=57286631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17751801.6A Withdrawn EP3504470A1 (fr) | 2016-08-24 | 2017-07-20 | Support de fixation de conduites d'alimentation et de retour de carburant |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3504470A1 (fr) |
| FR (1) | FR3055376B1 (fr) |
| WO (1) | WO2018037176A1 (fr) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2773387B1 (fr) * | 1998-01-07 | 2000-03-24 | Peugeot | Dispositif de fixation d'un organe de vehicule automobile |
| JP4296894B2 (ja) * | 2003-09-30 | 2009-07-15 | 東海ゴム工業株式会社 | 流体移送用チューブのブラケット |
| JP4686501B2 (ja) * | 2007-05-21 | 2011-05-25 | 日立オートモティブシステムズ株式会社 | 液体脈動ダンパ機構、および液体脈動ダンパ機構を備えた高圧燃料供給ポンプ |
| US9518544B2 (en) * | 2013-03-19 | 2016-12-13 | Delphi Technologies, Inc. | Fuel rail with pressure pulsation damper |
-
2016
- 2016-08-24 FR FR1657875A patent/FR3055376B1/fr active Active
-
2017
- 2017-07-20 WO PCT/FR2017/051978 patent/WO2018037176A1/fr not_active Ceased
- 2017-07-20 EP EP17751801.6A patent/EP3504470A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018037176A1 (fr) | 2018-03-01 |
| FR3055376B1 (fr) | 2019-06-14 |
| FR3055376A1 (fr) | 2018-03-02 |
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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 |
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| 17P | Request for examination filed |
Effective date: 20190321 |
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| AK | Designated contracting states |
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| AX | Request for extension of the european patent |
Extension state: BA ME |
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| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
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| INTG | Intention to grant announced |
Effective date: 20200109 |
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| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: GABRIELS, REMY Inventor name: DECRETON, RAPHAEL Inventor name: LE MOINE, BRUNO |
|
| INTG | Intention to grant announced |
Effective date: 20200110 |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20200603 |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: PSA AUTOMOBILES SA |