DE102008037761A1 - Substructure for motor vehicle operated with gaseous fuel, has exhaust system, through which exhaust gas is delivered outside by exhaust pipe, and gas tank is provided, which is positioned on lower side of base cluster - Google Patents
Substructure for motor vehicle operated with gaseous fuel, has exhaust system, through which exhaust gas is delivered outside by exhaust pipe, and gas tank is provided, which is positioned on lower side of base cluster Download PDFInfo
- Publication number
- DE102008037761A1 DE102008037761A1 DE200810037761 DE102008037761A DE102008037761A1 DE 102008037761 A1 DE102008037761 A1 DE 102008037761A1 DE 200810037761 DE200810037761 DE 200810037761 DE 102008037761 A DE102008037761 A DE 102008037761A DE 102008037761 A1 DE102008037761 A1 DE 102008037761A1
- Authority
- DE
- Germany
- Prior art keywords
- exhaust
- vehicle
- gas
- substructure
- gas tank
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/063—Arrangement of tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
- B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2340/00—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses
- F01N2340/04—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses characterised by the arrangement of an exhaust pipe, manifold or apparatus in relation to vehicle frame or particular vehicle parts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
Gebiet der ErfindungField of the invention
Die vorliegende Erfindung liegt auf dem Gebiet der Fahrzeugtechnik und betrifft nach ihrer Gattung einen Unterbau eines mit Gaskraftstoff betreibbaren Kraftfahrzeugs gemäß dem Obergriff von Patentanspruch 1.The The present invention is in the field of vehicle technology and refers to their genus a substructure of a gas fuel operable motor vehicle according to the upper handle of claim 1.
Stand der TechnikState of the art
Vor dem Hintergrund steigender Ölpreise werden moderne Kraftfahrzeuge zunehmend für den Betrieb mit Gaskraftstoff ausgerüstet. Als Gaskraftstoffe werden zurzeit hauptsächlich LPG (LPG = Liquified Petroleum Gas), ein Flüssiggas auf Petroleumbasis, und CNG (CNG = Compressed Natural Gas) bzw. Erdgas verwendet.In front the background of rising oil prices Modern motor vehicles increasingly for use with gas fuel equipped. At present, LPG (LPG = Liquified Petroleum gas), a liquid gas based on petroleum, and CNG (CNG = Compressed Natural Gas) or Natural gas used.
Mit Gaskraftstoff betreibbare Kraftfahrzeuge sind mit einem Gastank ausgerüstet, der aus einem oder meist mehreren miteinander verbundenen Druckbehältern besteht, in denen der Gaskraftstoff in verdichteter Form gespeichert wird. Beispielsweise wird CNG mit einem Druck von 200–300 bar im Gastank gespeichert. Aus Kostengründen werden in der industriellen Serienfertigung gewöhnlich stählerne Gasflaschen als Druckbehälter eingesetzt.With Gas fuel operable motor vehicles are equipped with a gas tank equipped, which consists of one or more or more interconnected pressure vessels, in which the gas fuel is stored in compressed form. For example, CNG is stored in the gas tank at a pressure of 200-300 bar. For cost reasons In industrial mass production, usually steel gas cylinders are used as pressure vessels.
Die Gasflaschen werden meist im hinteren Bereich des Fahrzeugs auf der Unterseite der Bodengruppe quer zur Fahrtrichtung zwischen den Längsschwellern positioniert. Eine Befestigung der Stahlflaschen am Fahrzeug erfolgt beispielsweise mittels Spannbänder, die um die Gasflaschen gespannt und an Querträgern zwischen den Längsschwellern befestigt werden. Üblich ist auch eine Positionierung der Gasflaschen in einer Vertiefung des Kofferraumblechs, die ansonsten als Reserveradmulde dient.The Gas cylinders are usually located in the rear of the vehicle on the Bottom of the floor group transverse to the direction of travel between the longitudinal sills positioned. An attachment of the steel bottles on the vehicle takes place for example by means of tension bands, which stretched around the gas bottles and at cross beams between the longitudinal sills be attached. Common is also a positioning of the gas cylinders in a depression the boot plate, which otherwise serves as a spare wheel well.
Demgegenüber besteht die Aufgabe der vorliegenden Erfindung darin, einen Fahrzeugunterbau für ein mit Gaskraftstoff betreibbares Kraftfahrzeug zur Verfügung zu stellen, durch den der obige Nachteil vermieden werden kann.In contrast there is the object of the present invention is to provide a vehicle underbody for a Gas fuel operable motor vehicle available through which the above disadvantage can be avoided.
Lösung der AufgabeSolution of the task
Diese und weitere Aufgaben werden nach dem Vorschlag der Erfindung durch einen Fahrzeugunterbau mit den Merkmalen des unabhängigen Patentanspruchs gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind durch die Merkmale der Unteransprüche angegeben.These and further objects are according to the proposal of the invention a vehicle underbody with the features of the independent claim solved. Advantageous embodiments of the invention are characterized by the features the dependent claims specified.
Erfindungsgemäß ist ein Unterbau für ein mit Gaskraftstoff betreibbares Kraftfahrzeug gezeigt. Das Kraftfahrzeug ist zu dessen Antrieb mit einer Brennkraftmaschine versehen, die eine Auspuffanlage umfasst, durch die von der Brennkraftmaschine erzeugtes Abgas über ein Auspuffendrohr ins Freie abgegeben werden kann. Es umfasst weiterhin einen auf der Unterseite einer Bodengruppe (Fahrzeugunterseite) der Karosserie positionierten Gastank zur Speicherung von Gaskraftstoff.According to the invention is a Substructure for a motor vehicle operated with gas fuel shown. The car is provided to the drive with an internal combustion engine, the an exhaust system comprises, by the generated by the internal combustion engine Exhaust over an exhaust pipe can be discharged into the open air. It still includes one on the underside of a floor assembly (vehicle underside) the body positioned gas tank for storage of gas fuel.
Der erfindungsgemäße Unterbau zeichnet sich dadurch aus, dass das Auspuffendrohr einen den Gastank in Fahrzeuglängsrichtung mit nicht querenden Verlauf hat. Es kann zu diesem Zweck, bezogen auf das Fahrzeug, seitlich am Gastank vorbei geführt sein.Of the substructure according to the invention is characterized by the fact that the tailpipe one the gas tank in the vehicle longitudinal direction with non-traversing course. It can be related to this purpose on the vehicle, be led past the side of the gas tank.
Der erfindungsgemäße Fahrzeugunterbau ermöglicht in vorteilhafter Weise gegenüber herkömmlichen mit Gaskraftstoff betreibbaren Kraftfahrzeugen eine Vergrößerung des für den Gastank zur Verfügung stehenden Bauraums, so dass ein größerer Gastank eingebaut werden und das Kraftfahrzeug mehr Gaskraftstoff mitführen kann, wodurch die Reichweite des Fahrzeugs erhöht wird.Of the inventive vehicle underbody allows in advantageously opposite usual With gas fuel operable vehicles an enlargement of the for the Gas tank available standing space, so that a larger gas tank to be installed and the motor vehicle can carry more gas fuel, reducing the range of the vehicle increases becomes.
Bei einer vorteilhaften Ausgestaltung des erfindungsgemäßen Unterbaus weist das Auspuffendrohr eine Rohrmündung auf, die sich, in Fahrzeuglängsrichtung mit Blick nach vorne betrachtet, vor einer Hinterachse des Kraftfahrzeugs befindet, wodurch insbesondere Material und Kosten bei der Herstellung des Unterbaus eingespart werden können.at an advantageous embodiment of the substructure according to the invention has the tailpipe to a pipe mouth, which, in the vehicle longitudinal direction looking to the front, in front of a rear axle of the motor vehicle which, in particular, reduces material and costs in the production of the substructure can be saved.
Bei einer weiteren vorteilhaften Ausgestaltung des erfindungsgemäßen Unterbaus erstreckt sich die Auspuffanlage von einem die Abgaskanäle der Zylinder der Brennkraftmaschine vereinigenden Auspuffkrümmer bis zum Auspuffendrohr zumindest annähernd in Fahrzeuglängsrichtung, wobei das Auspuffendrohr zumindest in einem Abschnitt einen quer zur Fahrzeugslängsrichtung gerichteten Verlauf hat. Insbesondere in diesem Fall kann es von besonderem Vorteil sein, wenn das Auspuffendrohr eine an einer Fahrzeugseite befindliche Rohrmündung hat.at a further advantageous embodiment of the substructure according to the invention The exhaust system extends from one of the exhaust ports of the cylinder the internal combustion engine unifying exhaust manifold to exhaust tailpipe at least approximately in the vehicle longitudinal direction, wherein the exhaust tailpipe at least in a portion of a transversely to the vehicle longitudinal direction has a directed course. In particular, in this case, it can by be particularly advantageous if the exhaust tailpipe on a vehicle side located pipe mouth Has.
In dem erfindungsgemäßen Unterbau kann es weiterhin von Vorteil sein, wenn der Gastank in Form wenigstens einer Gasflasche mit einem zylindrischen Flaschenkörper und einem daran angeformten Flaschenhals ausgebildet ist, wobei die Zylinderachse quer zur Fahrzeuglängsrichtung angeordnet ist.In the substructure according to the invention It may also be advantageous if the gas tank in the form of at least a gas bottle with a cylindrical bottle body and a molded-on bottle neck is formed, wherein the Cylinder axis transverse to the vehicle longitudinal direction is arranged.
Die Erfindung erstreckt sich weiterhin auf ein Kraftfahrzeug, das mit einem wie oben beschriebenen Unterbau versehen ist.The Invention further extends to a motor vehicle that with a substructure as described above is provided.
Ausführungsbeispielembodiment
Die
Erfindung wird nun anhand eines Ausführungsbeispiels näher erläutert, wobei
Bezug auf
Der
Fahrzeugunterbau
Im
Mitteltunnel
Das
Kraftfahrzeug ist in bivalenter Weise neben Flüssigkraftstoff (Benzin) auch
mit CNG betreibbar, zu welchem Zweck auf der Unterseite der Bodengruppe
Von
der Auspuffanlage
Das
Auspuffendrohr
Durch
die Form des am Gastank
- 11
- Fahrzeugunterbauvehicle underbody
- 22
- Bodengruppeunderbody
- 33
- Mitteltunnelcenter tunnel
- 44
- Auspuffanlageexhaust system
- 55
- Auspuffkrümmerexhaust
- 66
- Katalysatorcatalyst
- 77
- Rohrstückpipe section
- 88th
- Vorschalldämpfersilencer
- 99
- Endschalldämpfermuffler
- 1010
- Auspuffendrohrtailpipe
- 1111
- erstes Endstückfirst tail
- 1212
- Querabschnittcross section
- 1313
- Krümmungsabschnittcurved section
- 1414
- zweites Endstücksecond tail
- 1515
- Gastankgas tank
- 1616
- Spannbandstrap
- 1717
- Längsschwellerlongitudinal sills
- 1818
- Aufhängungsuspension
- 1919
- Rohrmündungmuzzle
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810037761 DE102008037761B4 (en) | 2008-08-14 | 2008-08-14 | Substructure of a motor vehicle that can be operated with gas fuel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810037761 DE102008037761B4 (en) | 2008-08-14 | 2008-08-14 | Substructure of a motor vehicle that can be operated with gas fuel |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102008037761A1 true DE102008037761A1 (en) | 2010-02-25 |
DE102008037761B4 DE102008037761B4 (en) | 2014-07-10 |
Family
ID=41566494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200810037761 Expired - Fee Related DE102008037761B4 (en) | 2008-08-14 | 2008-08-14 | Substructure of a motor vehicle that can be operated with gas fuel |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102008037761B4 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2678536B1 (en) | 2011-02-25 | 2015-11-04 | Peugeot Citroën Automobiles SA | Vehicle comprising an exhaust gas line wherein the accoustic means are placed in front of the rear wheeldrive train |
DE102016118343B4 (en) * | 2015-10-20 | 2019-03-14 | Toyota Jidosha Kabushiki Kaisha | VEHICLE FLOOR UNDER STRUCTURE |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5284267A (en) * | 1992-02-21 | 1994-02-08 | Pas, Inc. | Fuel injection apparatus for vehicles |
DE4408573A1 (en) * | 1993-03-26 | 1994-09-29 | Honda Motor Co Ltd | Rear subframe for motor vehicle |
KR20060057685A (en) * | 2004-11-24 | 2006-05-29 | 기아자동차주식회사 | Bombe arrangement of lpi engine vehicle |
EP1914058A1 (en) * | 2006-10-16 | 2008-04-23 | MDI Motor Development International S.A. | Method of manufacture of a structural shell of an economical car |
-
2008
- 2008-08-14 DE DE200810037761 patent/DE102008037761B4/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5284267A (en) * | 1992-02-21 | 1994-02-08 | Pas, Inc. | Fuel injection apparatus for vehicles |
DE4408573A1 (en) * | 1993-03-26 | 1994-09-29 | Honda Motor Co Ltd | Rear subframe for motor vehicle |
KR20060057685A (en) * | 2004-11-24 | 2006-05-29 | 기아자동차주식회사 | Bombe arrangement of lpi engine vehicle |
EP1914058A1 (en) * | 2006-10-16 | 2008-04-23 | MDI Motor Development International S.A. | Method of manufacture of a structural shell of an economical car |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2678536B1 (en) | 2011-02-25 | 2015-11-04 | Peugeot Citroën Automobiles SA | Vehicle comprising an exhaust gas line wherein the accoustic means are placed in front of the rear wheeldrive train |
DE102016118343B4 (en) * | 2015-10-20 | 2019-03-14 | Toyota Jidosha Kabushiki Kaisha | VEHICLE FLOOR UNDER STRUCTURE |
Also Published As
Publication number | Publication date |
---|---|
DE102008037761B4 (en) | 2014-07-10 |
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Owner name: GM GLOBAL TECHNOLOGY OPERATIONS LLC , ( N. D. , US |
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Owner name: GM GLOBAL TECHNOLOGY OPERATIONS LLC (N. D. GES, US Free format text: FORMER OWNER: GM GLOBAL TECHNOLOGY OPERATIONS, INC., DETROIT, MICH., US Effective date: 20110323 |
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Effective date: 20150411 |
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