DE7524870U - POST-COMBUSTION DEVICE FOR THE EXHAUST GASES OF A MULTICYLINDRICAL MOTOR VEHICLE ENGINE - Google Patents

POST-COMBUSTION DEVICE FOR THE EXHAUST GASES OF A MULTICYLINDRICAL MOTOR VEHICLE ENGINE

Info

Publication number
DE7524870U
DE7524870U DE7524870U DE7524870U DE7524870U DE 7524870 U DE7524870 U DE 7524870U DE 7524870 U DE7524870 U DE 7524870U DE 7524870 U DE7524870 U DE 7524870U DE 7524870 U DE7524870 U DE 7524870U
Authority
DE
Germany
Prior art keywords
combustion chamber
chamber wall
pipe
post
motor vehicle
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
Application number
DE7524870U
Other languages
German (de)
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.)
Arvin Industries Deutschland GmbH
Original Assignee
Zeuna Starker GmbH and Co KG
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 Zeuna Starker GmbH and Co KG filed Critical Zeuna Starker GmbH and Co KG
Priority to DE7524870U priority Critical patent/DE7524870U/en
Publication of DE7524870U publication Critical patent/DE7524870U/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F01N13/14—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 having thermal insulation
    • F01N13/141—Double-walled exhaust pipes or housings
    • 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
    • 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
    • F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • F01N13/102—Other arrangements or adaptations of exhaust conduits of exhaust manifolds having thermal insulation
    • 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
    • F01N13/14—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 having thermal insulation
    • 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
    • F01N13/14—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 having thermal insulation
    • F01N13/141—Double-walled exhaust pipes or housings
    • F01N13/143—Double-walled exhaust pipes or housings with air filling the space between both walls
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F01N13/1827—Sealings specially adapted for exhaust systems
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Description

Die Neuerung betrifft eine Nachverbrennungsvorrichtung für die Abgase eines mehrzylindrigen Kraftfahrzeugmotors mit einer gegenüber den sie umgebenden Gehäuse wärmeisolierten Brennkammer, in welche mit den Motorzylinder verbundene Rohrstutzen münden, die mit der Brennkammerwand jeweils durch einen die zugeordnete Öffnung die Brennkammerwand abdichtenden Gleitsitz verbunden sind.The innovation relates to an afterburning device for the exhaust gases of a multi-cylinder motor vehicle engine with a combustion chamber that is thermally insulated from the housing surrounding it, into which pipe sockets connected to the engine cylinder open and which are connected to the combustion chamber wall by a sliding seat sealing the associated opening of the combustion chamber wall.

Eine derartige Vorrichtung ist bekannt (Deutsche Offenlegungsschrift 22 38 255).Such a device is known (German Offenlegungsschrift 22 38 255).

Der Neuerung liegt die Aufgabe zugrunde, den Dehnungsausgleich in der Brennkammerwand und den Anschluß der Rohrstutzen an diese möglichst einfach zu gestalten und dennoch eine dauerhafte Dichtung gegen : das Ausbrennen der Isolierung zwischen der Brennkammerwand und cfen Gehäuse zu gewährleisten.The innovation is based on the task of making the expansion compensation in the combustion chamber wall and the connection of the pipe socket to this as simple as possible and still ensuring a permanent seal against: the burning out of the insulation between the combustion chamber wall and cfen housing.

Neuerungsgemäß wird diese Aufgabe dadurch gelöst, daß die Rohrstutzen mit ihren inneren Enden jeweils frei durch die zugeordneten Öffnungen in der Brennkammerwand hindurchgeführt und beidseits der Brennkammerwand jeweils mit einer im Querschnitt winkelförmigen Ringdichtung verbunden sind, deren jeweiliger Rohrteil außen am zugeordneten Rohrstutzen angeschweißt, ist und deren jeweiliger Kragenteil an der Brennkammerwand in Art eines Reibsitzes unter Spannung anliegt und daß die Kragenteile von der Brennkammerwand weg aufgebogene Endkanten . aufweisen.According to the innovation, this object is achieved in that the pipe sockets each with their inner ends freely through the associated openings in the combustion chamber wall passed through and on both sides of the combustion chamber wall each with an angular cross-section Ring seal are connected, the respective pipe part on the outside of the associated pipe socket is welded, and their respective collar part on the combustion chamber wall in the manner of a friction fit Voltage is applied and that the collar parts are bent end edges away from the combustion chamber wall. exhibit.

Dadurch, daß beim Gegenstand der Neuerung die Ringdichtung unter Spannung anliegt geht die Dichtwirkung auch unter stärksten Wärmebelastungen nicht verloren. Neben der dauerhaften Dichtwirkung zeichnet sich die neuerungsgemäße Lösung insbesondere durch ihren einfachen Aufbau aus; sie läßt sich also ohne großen Aufwand verwirklichen.The fact that the ring seal is under tension when the subject of the innovation is present Sealing effect is not lost even under the strongest heat loads. In addition to the permanent sealing effect the solution according to the innovation is characterized in particular by its simple structure; she lets can be realized without much effort.

Die Kragenteile der Rohrstutzen im Sinne der-neuerunggemäßen Lösung bilden eine Art Doppelmanschette, die beidseits an der Brennkammerwand anliegt, so daß letztere in Art eines lockeren Reibsitzes dichtend gefaßt ist. Dabei dient der neuerungsgemäße Anschluß der Röhrstuzen an die Brennkammerwand einerseits als Halterung für die Rohrstutzen und andererseits als Dehnungsausgleich, d.h. die Kragenteile ermöglichen^ eine ungehinferte Dehnung der Brennkammerwand, ohne Gefährdung der Dichtungswirkung. Dadurch erübrigt sich eine zusätzliche Unterteilung der Brennkammer in einzelne Rohrabschnitte; ferner können die sonst üblichen in den Endbereichen -dieser .Rohrabschnitte erforderlichen Schiebesitze entfallen.The collar parts of the pipe socket in the sense of the innovation Solution form a kind of double collar that rests on both sides of the combustion chamber wall so that the latter is held in a sealing manner in the manner of a loose friction fit. The connection in accordance with the innovation is used here the pipe socket to the combustion chamber wall on the one hand as a holder for the pipe socket and on the other hand as Expansion compensation, i.e. the collar parts allow ^ an unhindered expansion of the combustion chamber wall without Endangering the sealing effect. This eliminates the need for an additional subdivision of the combustion chamber into individual pipe sections; Furthermore, the otherwise usual in the end areas -dieser .Rohrabschnitte there is no need for sliding seats.

Dadurch daß die Kragenteile von der Brennkammerwand weg aufgebogene Endkanten aufweisen, lassen sich Zwängungen bei der Montage' und im späteren Betrieb vermeiden und es ergibt sich eine größere Steifigkeit und Formstabilität der Kragenteile.Because the collar parts have end edges bent up away from the combustion chamber wall, it is possible to Avoid constraints during assembly 'and in later operation, resulting in greater rigidity and dimensional stability of the collar parts.

Ein Ausführungsbeispiel der Neuerung wird im folgenden anhand der Zeichnung beschrieben. Es zeigt:An embodiment of the innovation is described below with reference to the drawing. It shows:

7524870 26.01787524870 26.0178

Fig. 1 einen Querschnitt durch eine Nachverbrennungsvorrichtung bzw. Brennkammer und1 shows a cross section through an afterburning device or combustion chamber and

Fig. 2 einen Längsschnitt durch die Nachverbrennungsvorrichtung bzw. Brennkammer gem. Fig. 1.2 shows a longitudinal section through the afterburning device or combustion chamber according to Fig. 1.

Gemäß Fig. 1 besteht das Gehäuse aus zwei Schalen 1, 2, die längs einer oberen Fuge 3 und einer unteren Fuge 4 (Fig. 2) miteinander verschweißt sind. An den Anschlußstellen für mit den zu den Motorzylindern führenden Abgasleitungen verbundenen Rohrstutzen 5 sind Gehäuseöffnungen vorgesehen, die mit Stahlflanschen 6 bewehrt sind. Im Inneren des Stahlgehäuses 1, 2 ist eine Brennkammer 7 vorgesehen, deren Wand 8 gegenüber dem Gehäuse 1, 2 durch eine wärmeisolierende Schicht 19 isoliert ist. Die Wand 8 der Brennkammer 7 besteht aus einem gewölbten Oberteil 9 und einem ebenen Unterteil 10, die seitlich in Längsrichtung der Brennkammer miteinander verschweißt sind. Der Rohrstutzen 5 ist mit seiner äußeren Endkante 11 mit dem Flansch 6 im Bereich :seiner Innenbohrung 12 verschweißt. Das innere Ende 13 des Rohrstutzens 5 ragt durch eine Öffnung 14 im Unterteil 10 der Brennkammer hindurch. Beiderseits des Unterteils 10 der Brennkammerwand ist an der Außenseite des Rohrstutzens 5 je eine Ringdichtung 15 vorgesehen. Deren Rohrteile 16 sind jeweils am Rohrstutzen 5 durch Punktschweißen befestigt; deren Kragenteiit 17 liegen unter Spannung, jedoch lose reibend, am ebenen Unterteil 10 der Brennkammerwand an. Dadurch ist eine freie Dehnungsmöglichkeit des Unterteils 10 der Brennkammerwand gegenüber dem am Flansch 6 befestigten Rohrstutzen gegeben.According to FIG. 1, the housing consists of two shells 1, 2 which are welded to one another along an upper joint 3 and a lower joint 4 (FIG. 2). At the connection points for the pipe sockets 5 connected to the exhaust pipes leading to the engine cylinders, housing openings are provided which are reinforced with steel flanges 6. A combustion chamber 7 is provided in the interior of the steel housing 1, 2, the wall 8 of which is insulated from the housing 1, 2 by a heat-insulating layer 19. The wall 8 of the combustion chamber 7 consists of a curved upper part 9 and a flat lower part 10, which are laterally welded to one another in the longitudinal direction of the combustion chamber. The pipe socket 5 is welded with its outer end edge 11 to the flange 6 in the area : its inner bore 12. The inner end 13 of the pipe socket 5 protrudes through an opening 14 in the lower part 10 of the combustion chamber. On both sides of the lower part 10 of the combustion chamber wall, an annular seal 15 is provided on the outside of the pipe socket 5. Their pipe parts 16 are each fastened to the pipe socket 5 by spot welding; their Kragenteiit 17 are under tension, but loosely rubbing, on the flat lower part 10 of the combustion chamber wall. This allows the lower part 10 of the combustion chamber wall to expand freely in relation to the pipe socket attached to the flange 6.

Bei der Montage wird zweckmäßig so vorgegangen, daß Kragen- uriä Rohrteil jeder Ringdichtung zunächst über einen größeren Radius miteinander verbunden sind und dann unter Ausbildung eines kleineren Radius in Axialrichtung des Rohrstutzens gegen die Brennkammerwand gedrückt werden, um schließlich am Rohrstutzen angeschweißt zu werden. Auf diese Weise wird der freie Kragenteil jeder Ringdichtung gegen die Brennkammerwand angedrückt, so daß letztere jeweils zwischen zwei Ringdichtungen in Art eines Reibsitzes dichtend gefaßt ist.During assembly, it is expedient to proceed in such a way that the collar uriä pipe part of each ring seal is initially over a larger radius are connected to each other and then forming a smaller radius be pressed in the axial direction of the pipe socket against the combustion chamber wall to finally be on the pipe socket to be welded on. In this way the free collar part is against each ring seal the combustion chamber wall pressed so that the latter between two ring seals in the manner of a Friction seat is taken in a sealing manner.

Fig. 2 zeigt in einem teilweisen Längsschnitt durch die Brennkammer zwei nebeneinander angeordnete Rohrstutzen 5, zwischen denen der ebene Unterteil 10 der Brennkammerwand eine Versteifungsprägung 18 aufweist. Die obere Trennfuge 3 des Gehäuses ist am rechten Ende gemäß der zeichnerischen Darstellung durch eine stirnseitige. .Trennfuge 20 mit der unteren Trennfuge 4 des Gehäuses verbunden. Die Brennkammer ist stirnseitig durch einen Deckel 21 abgeschlossen· Man erkennt deutlich, daiß die Endkanteh 22 der Kragenteile der Ringdichtungen 15 aufgebogen sind.Fig. 2 shows, in a partial longitudinal section through the combustion chamber, two pipe sockets arranged next to one another 5, between which the flat lower part 10 of the combustion chamber wall has a stiffening embossing 18. The upper parting line 3 of the housing is at the right end as shown in the drawing through an end face. . Separation line 20 connected to the lower parting line 4 of the housing. The combustion chamber is closed at the front by a cover 21 · It can be clearly seen that the end edge 22 of the collar parts the ring seals 15 are bent open.

Claims (1)

S c>;h u t_z anspruchS c>; h u t_z entitlement Nachverbrennungsvorrichtung für die Abgase eines mehrzylindrigen Kraftfahrzeugmotors, mit einer gegenüber dem sie umgebenden Gehäuse wäremisolierten Brennkammer, in welche mit den Motorzylindern verbundene Rohrstutzen münden, die mit der Brenn- ' kammerwand jeweils durch einen die zugeordnete öffnung in der Brennkammerwand abdichtenden Gleitsitz verbunden sind, dadurch gekennzeichnet, daß die Rohrstutzen (5) mit ihren inneren Enden jeweils frei durch die zugeordneten Öffnungen (14) in der Brennkammerwand hindurchgeführt und beidseits der Brennkammerwand jeweils mit einer im Querschnitt winkelförmigen Ringdichtung (15) verbunden sind, deren jeweiliger Rohrteil (16) außen am zugeordneten Rohrstutzen angeschweißt ist und deren jeweiliger Kragenteil (17) an der Brennkämmerwand in Art eines Reibsitzes unter Spannung anliegt und daß die Kragenteile (17) von der Brennkammerwand weg aufgebogene Endkanten (22) aufweisen. -; Post-combustion device for the exhaust gases of a multi-cylinder motor vehicle engine, with a combustion chamber which is thermally insulated from the housing surrounding it, into which pipe sockets connected to the engine cylinders open which are connected to the combustion chamber wall by a sliding seat sealing the associated opening in the combustion chamber wall, characterized in that that the inner ends of the pipe stubs (5) are each passed freely through the associated openings (14) in the combustion chamber wall and are connected on both sides of the combustion chamber wall to a ring seal (15) with an angular cross-section, the respective pipe part (16) on the outside of the associated Pipe socket is welded and the respective collar part (17) rests on the combustion chamber wall under tension in the manner of a friction fit and that the collar parts (17) have end edges (22) bent away from the combustion chamber wall. -;
DE7524870U 1975-08-05 1975-08-05 POST-COMBUSTION DEVICE FOR THE EXHAUST GASES OF A MULTICYLINDRICAL MOTOR VEHICLE ENGINE Expired DE7524870U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE7524870U DE7524870U (en) 1975-08-05 1975-08-05 POST-COMBUSTION DEVICE FOR THE EXHAUST GASES OF A MULTICYLINDRICAL MOTOR VEHICLE ENGINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7524870U DE7524870U (en) 1975-08-05 1975-08-05 POST-COMBUSTION DEVICE FOR THE EXHAUST GASES OF A MULTICYLINDRICAL MOTOR VEHICLE ENGINE

Publications (1)

Publication Number Publication Date
DE7524870U true DE7524870U (en) 1978-01-26

Family

ID=31960592

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7524870U Expired DE7524870U (en) 1975-08-05 1975-08-05 POST-COMBUSTION DEVICE FOR THE EXHAUST GASES OF A MULTICYLINDRICAL MOTOR VEHICLE ENGINE

Country Status (1)

Country Link
DE (1) DE7524870U (en)

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