EP1544543A2 - Brennstoffzuführleitungssystem bei einem Heizgerät, insbesondere Fahrzeugheizgerät - Google Patents
Brennstoffzuführleitungssystem bei einem Heizgerät, insbesondere Fahrzeugheizgerät Download PDFInfo
- Publication number
- EP1544543A2 EP1544543A2 EP04023242A EP04023242A EP1544543A2 EP 1544543 A2 EP1544543 A2 EP 1544543A2 EP 04023242 A EP04023242 A EP 04023242A EP 04023242 A EP04023242 A EP 04023242A EP 1544543 A2 EP1544543 A2 EP 1544543A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- combustion chamber
- supply line
- fuel supply
- line system
- 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 125
- 238000010438 heat treatment Methods 0.000 title description 5
- 238000002485 combustion reaction Methods 0.000 claims abstract description 67
- 239000007788 liquid Substances 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 238000009826 distribution Methods 0.000 description 18
- 239000000203 mixture Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 241001136792 Alle Species 0.000 description 1
- -1 So for example Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K5/00—Feeding or distributing other fuel to combustion apparatus
- F23K5/02—Liquid fuel
- F23K5/14—Details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K5/00—Feeding or distributing other fuel to combustion apparatus
- F23K5/02—Liquid fuel
- F23K5/04—Feeding or distributing systems using pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2300/00—Pretreatment and supply of liquid fuel
- F23K2300/20—Supply line arrangements
Definitions
- the present invention relates to a fuel supply piping system a heater, in particular vehicle heater.
- liquid fuel is generally first introduced into an evaporator medium introduced and in this evaporator medium under utilization the Kapillar Koch promoted or distributed.
- the evaporator medium is constructed of porous or braided material and distribute and convey the fuel towards a combustion chamber, so that it on the combustion chamber facing side of the evaporator medium evaporate and together with the existing in the combustion chamber Combustion air can burn.
- the quality of such a Heater running off combustion essentially depends on one As even distribution of combustion over the volume of the Combustion chamber and thus a correspondingly uniform as possible Fuel distribution or distribution of the air / fuel vapor mixture in the combustion chamber off. To get an even distribution of this mixture It is also to support the fuel delivery into the combustion chamber For example, known on an inner surface of a combustion chamber limiting wall to provide a channel arrangement through which the liquid fuel introduced via a fuel supply line then coarsely pre-distributed before it enters the evaporator medium and there is further distributed finely. Furthermore, it is known in the evaporator medium Even to provide such formations, the one Kapillar tone Angel preceded or superimposed fuel gross distribution ensured. Also the use of deflecting elements for fuel distribution is known.
- the present invention thus provides that the fuel introduction into the Combustion chamber assembly is not carried out at a locally very limited area, but that by providing multiple fuel lines directly and without special measures in the area of the combustion chamber assembly the fuel is distributed at several positions in the combustion chamber assembly can be initiated.
- the combustion chamber assembly is a combustion chamber forming, in Essentially cup-shaped combustion chamber housing with an outer circumferential wall includes, and that at least two of the fuel lines in different Introduce the peripheral areas of fuel in the direction of the combustion chamber.
- At least one of the fuel lines in a Igniter organ receiving secondary chamber opens. Even with such Embodiment, it may in turn be advantageous if in the Secondary chamber fuel from the opening into this at least one Fuel line receiving evaporator medium is provided.
- the generated therein used very high temperatures or the combustion starting in it to initiate ignition in the combustion chamber itself, is further suggested that the secondary chamber in conjunction with the combustion chamber is.
- the fuel lines in their from the combustion chamber assembly remote end area connected to a fuel supply line are which fuel supply line to a fuel metering pump connected.
- a fuel supply piping system is generally indicated at 10.
- This Brennstoffzumol. Gustavssystem 10 may be liquid Fuel from a dosing pump, not shown, or other Conveyor is supplied, towards a combustion chamber assembly 12 of a heater can be powered.
- This heater can, for example be a heater or a heater in a vehicle, operated with the same fuel as the vehicle itself, so gasoline or diesel fuel.
- the combustor assembly 12 of the heater comprises an example pot-shaped designed combustion chamber housing 14 with a peripheral wall 16 and one in terms of their constructive Details not shown bottom wall, over which For example, the combustion air can be supplied.
- the inside 18 of the peripheral wall 16 is at least partially with an evaporator medium 20 covered.
- This evaporator medium 20 is general of porous or braid-like structure to be incorporated therein liquid fuel by utilizing a capillary towards a combustion chamber 22 facing side 24 of the evaporator medium 20 to promote. In this way, in the combustion chamber 22 generates a mixture of vaporized fuel and combustion air that can be ignited and burned.
- Fig. 1 can be seen further a secondary chamber 26, which has an opening 28 to the combustion chamber 22 is open and in which a Glühzündstatt or the like. Shaped ignition device 30 can be accommodated. Also the Secondary chamber 26 is on its inside with an evaporator medium 32nd at least partially occupied, so that there, taking advantage of the Kapillarn Quretour promoted this evaporator medium 32, distributed and in the secondary chamber 26 can be dispensed.
- combustion chamber assembly 12 has only been described very generally and exemplifies a variety of different design variants. So could of course the Glühzündorgan 30 also directly protrude into the combustion chamber 22 and thereby, for example, the porous evaporator medium 20 enforce.
- the fuel supply line system 10 includes a fuel supply line 34, or the like, for example, to a metering pump, not shown. can be connected. In their near the combustion chamber assembly 10 End region 36 goes into this supply line 34 in the illustrated example three fuel lines 38, 40, 42 via. In this case, the end 36 of the supply line 34, for example by a fuel lines 38, 40, 42 surrounding and tight-closing soldering sleeve 44 fuel-tight to be finished. For this purpose be in their with the fuel supply line 34 in contact end portion 46, the fuel lines 38, 40, 42 positioned so that the closest possible packing, i.e. the lowest possible overall line cross-section results. Especially at Use of the addressed soldering sleeve 34, it is advantageous if the Fuel lines 38, 40, 42 and possibly also the fuel supply line 34 made of a material to be bonded to the brazing material, So for example, metal, are constructed.
- the fuel line 38 leads from the fuel supply line 34 in Direction to the secondary chamber 26 and opens into its end 48 in this one.
- the opening of the fuel line 38th is covered by the evaporator medium 32, so that via the fuel line 38, the liquid fuel is fed into the evaporator medium 32 will and then in this under the already mentioned capillary action can distribute.
- the fuel lines 40 and 42 close in their End regions 50 and 52 to the combustion chamber housing 14 and the peripheral wall 16 of the same and thus result in the in the Combustion chamber 14 formed combustion chamber 22 a.
- the openings of the fuel lines 40, 42 through the evaporator medium 20 are covered, so that here too the fuel from the fuel lines 40, 42 into the evaporator medium 20 is fed and then distributed in this then under capillary action becomes.
- Fuel lines are chosen in terms of their point of confluence, that they open in different axial areas, axially related in each case to the longitudinal extension of the respective chamber, or, as in Fig. 1 with respect to the fuel lines 40, 42 is shown in various Open peripheral areas.
- targeted fuel routing measures such as coarser Channels, baffles or the like. ready to hold, which by the inventive Arrangement already obtained further support distribution.
- the Fuel lines 38, 40, 42 configured in terms of their delivery cross-section be that they also considering the one to be used Fuel, so the liquid medium to be promoted, under promotion Capillary action are able. This further contributes to an improved Promoting effect and thus an improved fuel feed at. Further can be provided that the various fuel lines at least have partially different line cross sections to each other. In this way, the fuel distribution can be influenced and it is possible to have different line lengths that are different Flow resistance result, by appropriate cross-sectional adaptation to compensate.
- the various Fuel lines 38, 40, 42 and the line system in the pressure side Range of a combustion air blower and / or a heating air system respectively.
- the piping system and thus the fuel carried therein will be cooled so that temperatures from below 100 ° C and thus below the boiling point of diesel or diesel-like fuels can be achieved. The occurrence of deposits in the pipe system can therefore be avoided.
- the Fuel line 38 only a comparatively small amount of fuel in the area of the secondary chamber 26 is promoted, also exists after the Disabling the ignition system basically does not risk that in the transition area between the two chambers 26, 30 an excessive Fuel accumulation will occur.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
- Wick-Type Burners And Burners With Porous Materials (AREA)
Abstract
Description
- Fig. 1
- eine teilweise im Schnitt dargestellte schematische Ansicht eines erfindungsgemäßen Systems;
- Fig. 2
- eine vereinfachte Schnittansicht des Systems der Fig. 1, geschnitten längs einer Linie II-II in Fig. 1;
- Fig. 3
- eine Schnittansicht des Systems der Fig. 1, geschnitten längs einer Linie III-III in Fig. 1.
Claims (9)
- Brennstoffzuführleitungssystem bei einem Heizgerät, insbesondere Fahrzeugheizgerät, zum Zuführen von flüssigem Brennstoff zu einer Brennkammerbaugruppe (12), umfassend eine Brennstoffleitungsanordnung (34), die wenigstens in ihrem an die Brennkammerbaugruppe (12) anschließenden Bereich eine Mehrzahl von in verschiedene Bereiche der Brennkammerbaugruppe (12) einmündenden Brennstoffleitungen (38, 40, 42) umfasst.
- Brennstoffzuführleitungssystem nach Anspruch 1,
dadurch gekennzeichnet, dass die Brennkammerbaugruppe (12) ein eine Brennkammer (22) bildendes, im Wesentlichen topfartiges Brennkammergehäuse (14) mit einer Außenumfangswandung (16) umfasst, und dass wenigstens zwei (40, 42) der Brennstoffleitungen (38, 40, 42) in verschiedenen Umfangsbereichen Brennstoff in Richtung Brennkammer (22) einleiten. - Brennstoffzuführleitungssystem nach Anspruch 2,
dadurch gekennzeichnet, dass an einer Innenseite der Außenumfangswandung (16) ein flüssigen Brennstoff von den Brennstoffleitungen (40, 42) aufnehmendes Verdampfermedium (20) vorgesehen ist. - Brennstoffzuführleitungssystem nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass wenigstens eine (38) der Brennstoffleitungen (38, 40, 42) in eine ein Zündorgan (30) aufnehmende Nebenkammer (26) einmündet. - Brennstoffzuführleitungssystem nach Anspruch 4,
dadurch gekennzeichnet, dass in der Nebenkammer (26) ein Brennstoff von der in diese einmündenden wenigstens einen Brennstoffleitung (38) aufnehmendes Verdampfermedium (32) vorgesehen ist. - Brennstoffzuführleitungssystem nach Anspruch 2 und Anspruch 4 oder 5,
dadurch gekennzeichnet, dass die Nebenkammer (22) in Verbindung mit der Brennkammer (22) steht. - Brennstoffzuführleitungssystem nach Anspruch 3 und Anspruch 6,
dadurch gekennzeichnet, dass das Verdampfermedium (32) der Nebenkammer (26) mit dem Verdampfermedium (20) der Brennkammer (22) in Flüssigkeitsaustauschverbindung steht. - Brennstoffzuführleitungssystem nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, dass die Brennstoffleitungen (38, 40, 42) in ihrem von der Brennkammerbaugruppe (12) entfernten Endbereich (48) an eine Brennstoffversorgungsleitung (34) angeschlossen sind, welche Brennstoffversorgungsleitung (34) an eine Brennstoffdosierpumpe angeschlossen ist. - Brennstoffzuführleitungssystem nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, dass wenigstens ein Teil der Brennstoffleitungen (38, 40, 42) zur Brennstoffförderung unter Kapillarwirkung ausgebildet ist.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL04023242T PL1544543T3 (pl) | 2003-12-19 | 2004-09-29 | Urządzenie grzejne, w szczególności urządzenie grzejne do pojazdów |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10360009 | 2003-12-19 | ||
DE10360009A DE10360009A1 (de) | 2003-12-19 | 2003-12-19 | Brennstoffzuführleitungssystem bei einem Heizgerät, insbesondere Fahrzeugheizgerät |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1544543A2 true EP1544543A2 (de) | 2005-06-22 |
EP1544543A3 EP1544543A3 (de) | 2008-12-31 |
EP1544543B1 EP1544543B1 (de) | 2012-08-15 |
Family
ID=34485531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04023242A Expired - Lifetime EP1544543B1 (de) | 2003-12-19 | 2004-09-29 | Heizgerät, insbesondere Fahrzeugheizgerät |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1544543B1 (de) |
DE (1) | DE10360009A1 (de) |
PL (1) | PL1544543T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1752323A1 (de) | 2005-08-09 | 2007-02-14 | J. Eberspächer GmbH Co. KG | Fahrzeugheizsystem |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005016237B3 (de) * | 2005-04-08 | 2006-11-30 | J. Eberspächer GmbH & Co. KG | Brennkammergehäuse, insbesondere für ein Fahrzeugheizgerät, und Verfahren zu dessen Herstellung |
DE102006030614A1 (de) | 2006-07-03 | 2008-01-17 | J. Eberspächer GmbH & Co. KG | Brennkammerbaugruppe für ein Fahrzeugheizgerät |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4443865A1 (de) | 1994-12-09 | 1996-06-13 | Eberspaecher J | Glühzündeinrichtung eines Verdampfungsbrenners |
DE10005376A1 (de) | 1999-02-12 | 2000-08-17 | Denso Corp | Verbrennungsheizer zur Verwendung in einem Kraftfahrzeug |
EP1394102A1 (de) | 2002-07-12 | 2004-03-03 | J. Eberspächer GmbH & Co. KG | Verdampferanordnung, insbesondere zur Erzeugung eines in einem Reformer zur Wasserstoffgewinnung zersetzbaren Kohlenwasserstoff/Mischmaterial-Gemisches |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0097315B1 (de) * | 1982-06-21 | 1987-03-18 | Progress-Werk Oberkirch Ag | Ölbrenneranordnung für Feldkochherde |
GB2210446B (en) * | 1987-09-30 | 1991-09-18 | Gen Electric | Fuel distribution system |
US5722588A (en) * | 1994-04-13 | 1998-03-03 | Nippon Soken Inc. | Combustion heater |
DE4442425B4 (de) * | 1994-05-13 | 2004-09-16 | J. Eberspächer GmbH & Co. KG | Brennkammer eines Brenners für ein Fahrzeugheizgerät oder für einen Abgas-Partikelfilter |
DE19504183A1 (de) * | 1995-02-09 | 1996-08-14 | Eberspaecher J | Brenner zur thermischen Regeneration eines Partikelfilters in einem Abgasnachbehandlungssystem eines Verbrennungsmotors, insbesondere Dieselmotors |
DE10255361B3 (de) * | 2002-11-27 | 2004-06-17 | J. Eberspächer GmbH & Co. KG | Brennkammerbaugruppe für ein Heizgerät, insbesondere Fahrzeugheizgerät |
DE10325574A1 (de) * | 2003-06-05 | 2004-12-30 | J. Eberspächer GmbH & Co. KG | Brennkammeranordnung für einen Verdampferbrenner, insbesondere für ein Fahrzeugheizgerät |
-
2003
- 2003-12-19 DE DE10360009A patent/DE10360009A1/de not_active Ceased
-
2004
- 2004-09-29 PL PL04023242T patent/PL1544543T3/pl unknown
- 2004-09-29 EP EP04023242A patent/EP1544543B1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4443865A1 (de) | 1994-12-09 | 1996-06-13 | Eberspaecher J | Glühzündeinrichtung eines Verdampfungsbrenners |
DE10005376A1 (de) | 1999-02-12 | 2000-08-17 | Denso Corp | Verbrennungsheizer zur Verwendung in einem Kraftfahrzeug |
EP1394102A1 (de) | 2002-07-12 | 2004-03-03 | J. Eberspächer GmbH & Co. KG | Verdampferanordnung, insbesondere zur Erzeugung eines in einem Reformer zur Wasserstoffgewinnung zersetzbaren Kohlenwasserstoff/Mischmaterial-Gemisches |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1752323A1 (de) | 2005-08-09 | 2007-02-14 | J. Eberspächer GmbH Co. KG | Fahrzeugheizsystem |
Also Published As
Publication number | Publication date |
---|---|
EP1544543B1 (de) | 2012-08-15 |
DE10360009A1 (de) | 2005-07-28 |
PL1544543T3 (pl) | 2013-01-31 |
EP1544543A3 (de) | 2008-12-31 |
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