DE102012209277A1 - Exhaust line for combustion engine e.g. marine diesel combustion engine, has inner and outer metallic walls formed by single-piece cast component, and glass fiber continuous filaments provided in insulation unit - Google Patents

Exhaust line for combustion engine e.g. marine diesel combustion engine, has inner and outer metallic walls formed by single-piece cast component, and glass fiber continuous filaments provided in insulation unit Download PDF

Info

Publication number
DE102012209277A1
DE102012209277A1 DE201210209277 DE102012209277A DE102012209277A1 DE 102012209277 A1 DE102012209277 A1 DE 102012209277A1 DE 201210209277 DE201210209277 DE 201210209277 DE 102012209277 A DE102012209277 A DE 102012209277A DE 102012209277 A1 DE102012209277 A1 DE 102012209277A1
Authority
DE
Germany
Prior art keywords
metallic wall
combustion engine
glass fiber
outer metallic
cast component
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.)
Ceased
Application number
DE201210209277
Other languages
German (de)
Inventor
Thomas Eger
Christian Argus
Hans-Peter Graf
Helmut Christl
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.)
MAN Energy Solutions SE
Original Assignee
MAN Diesel and Turbo SE
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 MAN Diesel and Turbo SE filed Critical MAN Diesel and Turbo SE
Priority to DE201210209277 priority Critical patent/DE102012209277A1/en
Priority to JP2013098341A priority patent/JP2013249831A/en
Priority to FI20135579A priority patent/FI127567B/en
Priority to KR1020130062636A priority patent/KR20130135781A/en
Priority to CN201310211611.6A priority patent/CN103452630B/en
Publication of DE102012209277A1 publication Critical patent/DE102012209277A1/en
Ceased legal-status Critical Current

Links

Images

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
    • 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
    • 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
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
    • F16L59/163—Branch units ; Insulation forming a whole with branches
    • 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
    • F01N13/16—Selection of particular materials
    • 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
    • F01N13/1861—Construction facilitating manufacture, assembly, or disassembly the assembly using parts formed by casting or moulding
    • 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
    • F16L59/00—Thermal insulation in general
    • F16L59/04—Arrangements using dry fillers, e.g. using slag wool which is added to the object to be insulated by pouring, spreading, spraying or the like
    • 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
    • F16L59/00—Thermal insulation in general
    • F16L59/10—Bandages or covers for the protection of the insulation, e.g. against the influence of the environment or against mechanical damage
    • F16L59/103—Rigid covers for tee pieces
    • 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
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/147—Arrangements for the insulation of pipes or pipe systems the insulation being located inwardly of the outer surface of the pipe
    • 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
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/02—Mineral wool, e.g. glass wool, rock wool, asbestos or the like
    • 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
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/04—Metallic wool, e.g. steel wool, copper wool or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Silencers (AREA)

Abstract

The line (10) has a thermal insulation unit (13) arranged between an inner metallic wall (11) and an outer metallic wall (12). The inner and outer metallic walls are formed by a single-piece casting component (14). Glass fiber continuous filaments (15) are provided in the thermal insulation unit and injected into a cavity that is formed between the inner metallic wall and the outer metallic wall of the casting component. A T-type contour is connected with a discharge line (16) and two supply lines (17, 18). An independent claim is also included for a method for manufacturing an exhaust line for a combustion engine.

Description

Die Erfindung betrifft eine Abgasleitung nach dem Oberbegriff des Anspruchs 1. Des Weiteren betrifft die Erfindung ein Verfahren zum Herstellen einer Abgasleitung für eine Brennkraftmaschine.The invention relates to an exhaust pipe according to the preamble of claim 1. Furthermore, the invention relates to a method for producing an exhaust pipe for an internal combustion engine.

Aus der DE 10 2009 052 834 A1 ist eine Abgasleitung für eine Brennkraftmaschine bekannt, die ein inneres Metallrohr und ein äußeres Metallrohr umfasst, wobei zwischen dem inneren Metallrohr und dem äußeren Metallrohr eine Thermoisolation positioniert ist. Die zwischen den Metallrohren positionierte Thermoisolation der Abgasleitung gemäß DE 10 2009 052 834 A1 besteht aus Fasern, nämlich aus ungeordneten metallischen Fasern.From the DE 10 2009 052 834 A1 For example, an exhaust pipe for an internal combustion engine is known which comprises an inner metal pipe and an outer metal pipe with thermal insulation positioned between the inner metal pipe and the outer metal pipe. Positioned between the metal pipes thermal insulation of the exhaust pipe according to DE 10 2009 052 834 A1 consists of fibers, namely of disordered metallic fibers.

Hiervon ausgehend liegt der Erfindung die Aufgabe zu Grunde, eine neuartige Abgasleitung und ein Verfahren zum Herstellen derselben zu schaffen.On this basis, the invention is based on the object to provide a novel exhaust pipe and a method for producing the same.

Diese Aufgabe wird durch eine Abgasleitung gemäß Anspruch 1 gelöst. Erfindungsgemäß sind die innere metallische Wandung und die äußere metallische Wandung von einem einstückigen Gussbauteil bereitgestellt, wobei die Thermoisolation von Glasfaserendlosfasern bereitgestellt ist.This object is achieved by an exhaust pipe according to claim 1. According to the invention, the inner metallic wall and the outer metallic wall are provided by a one-piece cast component, wherein the thermal insulation of glass fiber endless fibers is provided.

Bei der erfindungsgemäßen Abgasleitung werden die innere metallische Wandung und die äußere metallische Wandung von einem einstückigen Gussbauteil bereit estellt. Zwischen der inneren metallischen Wandung und der äußeren metallischen Wandung des Gussbauteils ist die Thermoisolation positioniert, die von Glasfaserendlosfasern bereitgestellt ist. Eine solche Abgasleitung lässt sich besonders vorteilhaft fertigen.In the exhaust pipe according to the invention, the inner metallic wall and the outer metallic wall are provided by a one-piece cast component. Between the inner metallic wall and the outer metallic wall of the cast component is positioned the thermal insulation provided by glass fiber endless fibers. Such an exhaust pipe can be manufactured particularly advantageous.

Nach einer vorteilhaften Weiterbildung sind die Glasfaserendlosfasern in mindestens einen Hohlraum zwischen der inneren metallischen Wandung und der äußeren metallischen Wandung eingebracht, vorzugsweise eingeblasen. Das Einblasen der Glasfaserendlosfasern in den oder jeden Hohlraum zwischen der inneren metallischen Wandung und der äußeren metallischen Wandung ist fertigungstechnisch besonders vorteilhaft.According to an advantageous development, the glass fiber endless fibers are introduced into at least one cavity between the inner metallic wall and the outer metallic wall, preferably blown. Blowing the glass fiber endless fibers into the or each cavity between the inner metallic wall and the outer metallic wall is particularly advantageous in terms of manufacturing technology.

Das erfindungsgemäße Verfahren zum Herstellen einer Abgasleitung für eine Brennkraftmaschine ist in Anspruch 6 definiert.The inventive method for producing an exhaust pipe for an internal combustion engine is defined in claim 6.

Bevorzugte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen und der nachfolgenden Beschreibung. Ausführungsbeispiele der Erfindung werden, ohne hierauf beschränkt zu sein, an Hand der Zeichnung näher erläutert. Dabei zeigt:Preferred embodiments of the invention will become apparent from the dependent claims and the description below. Embodiments of the invention will be described, without being limited thereto, with reference to the drawings. Showing:

1: einen Querschnitt durch eine erfindungsgemäße Abgasleitung. 1 a cross section through an exhaust pipe according to the invention.

1 zeigt ein bevorzugtes Ausführungsbeispiel einer Abgasleitung 10 für eine Brennkraftmaschine, wobei die Abgasleitung 10 eine innere metallische Wandung 11 und eine äußere metallische Wandung 12 umfasst. 1 shows a preferred embodiment of an exhaust pipe 10 for an internal combustion engine, wherein the exhaust pipe 10 an inner metallic wall 11 and an outer metallic wall 12 includes.

Die innere metallische Wandung 11 definiert einen Strömungskanal für Abgas. Die äußere metallische Wandung 12 begrenzt die Abgasleitung 10 nach außen zur Umgebung.The inner metallic wall 11 defines a flow channel for exhaust gas. The outer metallic wall 12 limits the exhaust pipe 10 out to the surroundings.

Die innere metallische Wandung 11 und die äußere metallische Wandung 12 sind bei der erfindungsgemäßen Abgasleitung 10 von einem einstückigen Gussbauteil 14 bereitgestellt, welches durch einen Gießprozess gefertigt wird.The inner metallic wall 11 and the outer metallic wall 12 are in the exhaust pipe according to the invention 10 from a one-piece cast component 14 provided, which is manufactured by a casting process.

Zwischen der inneren metallischen Wandung 11 und der äußeren metallischen Wandung 12 ist eine Thermoisolation 13 aus Fasern positioniert, wobei die Thermoisolation 13 von Glasfaserendlosfasern 15 bereitgestellt ist.Between the inner metallic wall 11 and the outer metallic wall 12 is a thermal insulation 13 positioned from fibers, the thermal insulation 13 of glass fiber endless fibers 15 is provided.

Die Glasfaserendlosfasern 15 sind in mindestens einen Hohlraum, der zwischen der inneren metallischen Wandung 11 und der äußeren metallischen Wandung 12 ausgebildet ist, eingebracht, insbesondere durch Einblasen. Das Einblasen der Glasfaserendlosfasern 15 in den oder jeden Hohlraum zwischen der inneren Wandung 11 und der äußeren Wandung 12 ist besonders vorteilhaft, weiterhin lassen sich die Glasfaserendlosfasern 15 in beliebiger Dichte in den oder jeden Hohlraum einbringen.The glass fiber endless fibers 15 are in at least one cavity, between the inner metallic wall 11 and the outer metallic wall 12 is formed, introduced, in particular by blowing. The blowing in of glass fiber endless fibers 15 in the or each cavity between the inner wall 11 and the outer wall 12 is particularly advantageous, furthermore, the glass fiber endless fibers can be 15 Insert in any density in the or each cavity.

Die in 1 gezeigte Abgasleitung 10 verfügt über eine im Wesentlichen T-artige Kontur mit einer Zuleitung 16 für Abgas und zwei Ableitungen 17, 18 für Abgas. Im Unterschied hierzu ist es auch möglich, dass die Abgasleitung 10 der 1 zwei Zuleitungen für Abgas und eine Ableitung für Abgas aufweist, wobei es dann bei den Zuleitungen um die Elemente 17 und 18 und bei der Ableitung um das Element 16 handelt.In the 1 shown exhaust pipe 10 has a substantially T-like contour with a supply line 16 for exhaust and two discharges 17 . 18 for exhaust. In contrast, it is also possible that the exhaust pipe 10 of the 1 has two supply lines for exhaust gas and a discharge for exhaust gas, which is then at the supply lines to the elements 17 and 18 and in the derivative around the element 16 is.

Die hier vorliegende Erfindung betrifft weiterhin ein Verfahren zum Herstellen einer solchen Abgasleitung 10. Zunächst wird ein Gussbauteil 14 bereitgestellt, welches die innere metallische Wandung 11 und die äußere metallische Wandung 12 umfasst. Anschließend werden Glasfaserendlosfasern 15 als Thermoisolation 13 zwischen die innere Wandung 11 und die äußere Wandung 12 des Gussbauteils 14 eingebracht, insbesondere durch Einblasen der Glasfaserendlosfasern 15 in den oder jeden Hohlraum, der zwischen der inneren metallischen Wandung 11 und der äußeren metallischen Wandung 12 ausgebildet ist.The present invention further relates to a method for producing such an exhaust pipe 10 , First, a cast component 14 provided, which is the inner metallic wall 11 and the outer metallic wall 12 includes. Subsequently, glass fiber endless fibers 15 as thermal insulation 13 between the inner wall 11 and the outer wall 12 of the cast component 14 introduced, in particular by blowing the Glasfaserendlosfasern 15 in the or each cavity between the inner metallic wall 11 and the outer metallic wall 12 is trained.

Bei der erfindungsgemäßen Abgasleitung 10 handelt es sich demnach um ein doppelwandiges Gussleitungsstück. Dieses wird als ein monolithisches Teil gegossen. In den oder jeden Hohlraum des Gussbauteils 14, der zwischen der inneren metallischen Wandung 11, welche einen Abgasströmungskanal begrenzt, und der äußeren metallischen Wandung 12, welche das Gussbauteil 14 nach außen abgrenzt, sind als Thermoisolation Glasfaserendlosfasern 15 in beliebiger Dichte eingebracht. In the exhaust pipe according to the invention 10 it is therefore a double-walled cast iron piece. This is poured as a monolithic part. In the or each cavity of the cast component 14 that between the inner metallic wall 11 , which defines an exhaust gas flow channel, and the outer metallic wall 12 which the cast component 14 delimited to the outside, are as thermal insulation glass fiber endless fibers 15 introduced in any density.

Bei der Abgasleitung 10 handelt es sich um eine Abgasleitung für eine Brennkraftmaschine, insbesondere für einen Großdieselmotor wie eine Schiffsdieselbrennkraftmaschine. Das Volumen des oder jedes Hohlraums des Gussbauteils 14, in welchen Glasfaserendlosfasern 15 in beliebiger Dichte eingebracht werden, liegt dabei insbesondere in einer Größenordung zwischen 20.000 und 30.000 dm3.At the exhaust pipe 10 it is an exhaust pipe for an internal combustion engine, in particular for a large diesel engine such as a marine diesel engine. The volume of the or each cavity of the cast component 14 in which glass fiber endless fibers 15 be introduced in any density, lies in particular in an order of magnitude between 20,000 and 30,000 dm 3 .

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Abgasleitungexhaust pipe
1111
innere metallische Wandunginner metallic wall
1212
äußere metallische Wandungouter metallic wall
1313
Thermoisolationthermal insulation
1414
Gussbauteilcast component
1515
GlasfaserendlosfasernGlass fiber filaments
1616
Zuleitungsupply
1717
Ableitungderivation
1818
Ableitungderivation

ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

  • DE 102009052834 A1 [0002, 0002] DE 102009052834 A1 [0002, 0002]

Claims (8)

Abgasleitung (10) für eine Brennkraftmaschine, insbesondere für einen Großdieselmotor wie eine Schiffsdieselbrennkraftmaschine, mit einer inneren metallischen Wandung (11) und eine äußeren metallischen Wandung (12), wobei zwischen der inneren metallischen Wandung (11) und der äußeren metallischen Wandung (12) eine Thermoisolation (13) aus Fasern positioniert ist, dadurch gekennzeichnet, dass die innere metallische Wandung (11) und die äußere metallische Wandung (12) von einem einstückigen Gussbauteil (14) bereitgestellt sind, und dass die Thermoisolation (13) von Glasfaserendlosfasern (15) bereitgestellt ist.Exhaust pipe ( 10 ) for an internal combustion engine, in particular for a large diesel engine such as a marine diesel internal combustion engine, with an inner metallic wall ( 11 ) and an outer metallic wall ( 12 ), wherein between the inner metallic wall ( 11 ) and the outer metallic wall ( 12 ) a thermal insulation ( 13 ) is positioned from fibers, characterized in that the inner metallic wall ( 11 ) and the outer metallic wall ( 12 ) of a one-piece cast component ( 14 ) and that the thermal insulation ( 13 ) of glass fiber endless fibers ( 15 ). Abgasleitung nach Anspruch 1, dadurch gekennzeichnet, dass die Glasfaserendlosfasern (15) in mindestens einen Hohlraum zwischen der inneren metallischen Wandung (11) und der äußeren metallischen Wandung (12) des Gussbauteils (14) eingebracht sind.Exhaust pipe according to claim 1, characterized in that the glass fiber endless fibers ( 15 ) in at least one cavity between the inner metallic wall ( 11 ) and the outer metallic wall ( 12 ) of the cast component ( 14 ) are introduced. Abgasleitung nach Anspruch 2, dadurch gekennzeichnet, dass die Glasfaserendlosfasern (15) in den oder jeden Hohlraum eingeblasen sind.Exhaust pipe according to claim 2, characterized in that the glass fiber endless fibers ( 15 ) are blown into the or each cavity. Abgasleitung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass dieselbe eine T-artige Kontur mit einer Zuleitung (16) und zwei Ableitungen (17, 18) aufweist.Exhaust pipe according to one of claims 1 to 3, characterized in that it has a T-like contour with a supply line ( 16 ) and two derivatives ( 17 . 18 ) having. Abgasleitung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass dieselbe eine T-artige Kontur mit einer Ableitung (16) und zwei Zuleitungen (17, 18) aufweist.Exhaust pipe according to one of claims 1 to 3, characterized in that it has a T-like contour with a derivative ( 16 ) and two supply lines ( 17 . 18 ) having. Verfahren zum Herstellen einer Abgasleitung für eine Brennkraftmaschine nach einem der Ansprüche 1 bis 5, mit folgenden Schritten: Bereitstellen eines Gussbauteils (14) mit der inneren metallischen Wandung (11) und der äußeren metallischen Wandung (12); Einbringen von Glasfaserendlosfasern (15) als Thermoisolation (13) zwischen die innere metallische Wandung (11) und die äußere metallische Wandung (12) des Gussbauteils (14).Method for producing an exhaust gas line for an internal combustion engine according to one of Claims 1 to 5, with the following steps: provision of a cast component ( 14 ) with the inner metallic wall ( 11 ) and the outer metallic wall ( 12 ); Introduction of glass fiber endless fibers ( 15 ) as thermal insulation ( 13 ) between the inner metallic wall ( 11 ) and the outer metallic wall ( 12 ) of the cast component ( 14 ). Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass die Glasfaserendlosfasern (15) in mindestens einen Hohlraum zwischen der inneren metallischen Wandung (11) und der äußeren metallischen Wandung (12) eingebracht werden.A method according to claim 6, characterized in that the glass fiber endless fibers ( 15 ) in at least one cavity between the inner metallic wall ( 11 ) and the outer metallic wall ( 12 ) are introduced. Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass die Glasfaserendlosfasern (15) in den oder jeden Hohlraum eingeblasen werden.Method according to claim 7, characterized in that the glass fiber endless fibers ( 15 ) are blown into the or each cavity.
DE201210209277 2012-06-01 2012-06-01 Exhaust line for combustion engine e.g. marine diesel combustion engine, has inner and outer metallic walls formed by single-piece cast component, and glass fiber continuous filaments provided in insulation unit Ceased DE102012209277A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE201210209277 DE102012209277A1 (en) 2012-06-01 2012-06-01 Exhaust line for combustion engine e.g. marine diesel combustion engine, has inner and outer metallic walls formed by single-piece cast component, and glass fiber continuous filaments provided in insulation unit
JP2013098341A JP2013249831A (en) 2012-06-01 2013-05-08 Exhaust duct
FI20135579A FI127567B (en) 2012-06-01 2013-05-29 Exhaust pipe
KR1020130062636A KR20130135781A (en) 2012-06-01 2013-05-31 Exhaust pipe
CN201310211611.6A CN103452630B (en) 2012-06-01 2013-05-31 Exhaust line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201210209277 DE102012209277A1 (en) 2012-06-01 2012-06-01 Exhaust line for combustion engine e.g. marine diesel combustion engine, has inner and outer metallic walls formed by single-piece cast component, and glass fiber continuous filaments provided in insulation unit

Publications (1)

Publication Number Publication Date
DE102012209277A1 true DE102012209277A1 (en) 2013-12-05

Family

ID=49579455

Family Applications (1)

Application Number Title Priority Date Filing Date
DE201210209277 Ceased DE102012209277A1 (en) 2012-06-01 2012-06-01 Exhaust line for combustion engine e.g. marine diesel combustion engine, has inner and outer metallic walls formed by single-piece cast component, and glass fiber continuous filaments provided in insulation unit

Country Status (5)

Country Link
JP (1) JP2013249831A (en)
KR (1) KR20130135781A (en)
CN (1) CN103452630B (en)
DE (1) DE102012209277A1 (en)
FI (1) FI127567B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19506530A1 (en) * 1994-02-24 1995-08-31 Caterpillar Inc Insulated gas manifold inside
EP1097338B1 (en) * 1998-07-20 2002-05-02 Etis Ag Insulation, insulation method and exhaust gas piping system
DE60018595T2 (en) * 1999-11-18 2006-04-13 Saint-Gobain Isover METHOD FOR APPLYING AN INSULATING LAYER TO THE SURFACE OF THE OBJECT TO BE ISOLATED
EP1718895B1 (en) * 2004-02-27 2011-03-30 Etis AG Insulation, and method for the production of an insulating element
DE102009052834A1 (en) 2009-11-13 2011-05-19 Bdd Beteiligungs Gmbh Thermo-insulated dual metal pipe for component of vehicle or stationary device, comprises inner metal pipe and outer metal pipe which encloses inner metal pipe

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08121158A (en) * 1994-10-21 1996-05-14 Nissan Motor Co Ltd Double exhaust pipe for internal combustion engine and its manufacture
JPH11105791A (en) * 1997-10-06 1999-04-20 Yamaha Motor Co Ltd Water lock supporting structure of exhaust device
JP2000248926A (en) * 1999-03-02 2000-09-12 Yutaka Giken Co Ltd Double pipe exhaust manifold
US6412596B1 (en) * 2001-02-01 2002-07-02 Owens Corning Composites Sprl Process for filling a muffler and muffler filled with fibrous material
CN1179117C (en) * 2002-05-30 2004-12-08 山东大学 Exhaust tube of engine and its integral preparation process
JP2006009677A (en) * 2004-06-25 2006-01-12 Sango Co Ltd Manufacturing method for muffler
DE102006012365B4 (en) * 2006-03-17 2014-02-13 Man Diesel & Turbo Se Exhaust pipe system for multi-cylinder gas and diesel engines
CN201121534Y (en) * 2007-11-07 2008-09-24 奇瑞汽车股份有限公司 Engine exhaust manifold

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19506530A1 (en) * 1994-02-24 1995-08-31 Caterpillar Inc Insulated gas manifold inside
EP1097338B1 (en) * 1998-07-20 2002-05-02 Etis Ag Insulation, insulation method and exhaust gas piping system
DE60018595T2 (en) * 1999-11-18 2006-04-13 Saint-Gobain Isover METHOD FOR APPLYING AN INSULATING LAYER TO THE SURFACE OF THE OBJECT TO BE ISOLATED
EP1718895B1 (en) * 2004-02-27 2011-03-30 Etis AG Insulation, and method for the production of an insulating element
DE102009052834A1 (en) 2009-11-13 2011-05-19 Bdd Beteiligungs Gmbh Thermo-insulated dual metal pipe for component of vehicle or stationary device, comprises inner metal pipe and outer metal pipe which encloses inner metal pipe

Also Published As

Publication number Publication date
FI127567B (en) 2018-09-14
JP2013249831A (en) 2013-12-12
CN103452630A (en) 2013-12-18
FI20135579A (en) 2013-12-02
CN103452630B (en) 2017-04-19
KR20130135781A (en) 2013-12-11

Similar Documents

Publication Publication Date Title
EP2425906B1 (en) Double wall pipe and its method of manufacturing
DE102007048666A1 (en) Twin-scroll turbocharger
DE102010060554A1 (en) Silencer for a vehicle
DE102007050124B4 (en) Housing for an impeller
DE202013103960U1 (en) resonator
WO2014090805A1 (en) Housing and method for producing the housing
DE102010060793A1 (en) Exhaust silencer for vehicle
EP2639423B1 (en) Exhaust gas silencer
DE102012209277A1 (en) Exhaust line for combustion engine e.g. marine diesel combustion engine, has inner and outer metallic walls formed by single-piece cast component, and glass fiber continuous filaments provided in insulation unit
DE102004049446A1 (en) Noise flow lowering device for use between turbocharger and internal combustion engine, has inlet and outlet units, chamber and outlet pipe forming single piece damper unit, and inner pipe inserted fro into damper unit by inlet unit
DE102012201871A1 (en) Making turbine casing for turbocharger, comprises inserting a partition wall in a sand core, inserting core in casting tool, filling cavity with casting material to provide turbine casing blank, and cooling turbine casing blank
DE102009057176A1 (en) Method for the autofrettage of a component such as a connection strip for injecting system with a wall and a cavity surrounded by the wall, comprises equipping an endangered area of the component with a reinforcing element
DE102008059936A1 (en) Impeller housing of an exhaust gas turbocharger with a separate housing wall
DE102013226717A1 (en) Method for producing a piston for an internal combustion engine
DE10003821C5 (en) Piston, in particular a light metal piston for an internal combustion engine
EP2929170B1 (en) Internal combustion engine
DE112014001488T5 (en) turbocharger
DE102016005852A1 (en) Exhaust pipe for guiding exhaust gas of an internal combustion engine, in particular for a motor vehicle
DE102007020927A1 (en) Cylinder head and manufacturing process for a cylinder head
DE10234539A1 (en) Piston production holes cooling channel part prior to casting links hole to hold part to vent channel part when in mold to thus bleed off injurious gases.
DE102010035440A1 (en) Apparatus for casting cast iron in a mold
DE102006021674B4 (en) Method for producing exhaust manifolds
DE102017217387A1 (en) Cast component with cast-in pipe and method of manufacture
DE102013015621A1 (en) Component e.g. exhaust manifold for exhaust system of e.g. motor car, has inner component with outer side and outer component with inside partially spaced from each other such that gap is formed between inner and outer components
DE102016000940A1 (en) Terminal block for an internal combustion engine, in particular a motor vehicle, as well as internal combustion engine with at least one such terminal block

Legal Events

Date Code Title Description
R163 Identified publications notified
R012 Request for examination validly filed
R081 Change of applicant/patentee

Owner name: MAN ENERGY SOLUTIONS SE, DE

Free format text: FORMER OWNER: MAN DIESEL & TURBO SE, 86153 AUGSBURG, DE

R016 Response to examination communication
R002 Refusal decision in examination/registration proceedings
R003 Refusal decision now final