WO2014139501A1 - Système d'échappement - Google Patents

Système d'échappement Download PDF

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Publication number
WO2014139501A1
WO2014139501A1 PCT/DE2014/000116 DE2014000116W WO2014139501A1 WO 2014139501 A1 WO2014139501 A1 WO 2014139501A1 DE 2014000116 W DE2014000116 W DE 2014000116W WO 2014139501 A1 WO2014139501 A1 WO 2014139501A1
Authority
WO
WIPO (PCT)
Prior art keywords
section
exhaust system
cross
particular according
exhaust
Prior art date
Application number
PCT/DE2014/000116
Other languages
German (de)
English (en)
Inventor
Sven Lehecka
Sebastian Gundlach
Original Assignee
Kohlhage Automotive GmbH & 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 Kohlhage Automotive GmbH & Co. KG filed Critical Kohlhage Automotive GmbH & Co. KG
Priority to DE112014001214.9T priority Critical patent/DE112014001214A5/de
Priority to PCT/DE2014/000116 priority patent/WO2014139501A1/fr
Priority to FR1451965A priority patent/FR3003002B1/fr
Priority to DE102014003446.1A priority patent/DE102014003446A1/de
Publication of WO2014139501A1 publication Critical patent/WO2014139501A1/fr

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
    • F01N13/18—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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/04—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning exhaust conduits
    • F02D9/06—Exhaust brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1035—Details of the valve housing
    • F02D9/106—Sealing of the valve shaft in the housing, e.g. details of the bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/65—Constructional details of EGR valves
    • F02M26/70—Flap valves; Rotary valves; Sliding valves; Resilient valves
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/16—Sliding surface consisting mainly of graphite
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
    • 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
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/36—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an exhaust flap
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/12—Control of the pumps
    • F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
    • F02B37/183—Arrangements of bypass valves or actuators therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1005—Details of the flap
    • F02D9/101—Special flap shapes, ribs, bores or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1035—Details of the valve housing
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/22—Internal combustion engines
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/28—Brasses; Bushes; Linings with embedded reinforcements shaped as frames or meshed materials
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/74—Sealings of sliding-contact bearings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the invention relates to a between exhaust manifold of an internal combustion engine and its End Schemesabites with outlet opening extending exhaust system for motor vehicles with components used therebetween as units, such as catalyst, bypass cooler, thermoelectric converter, heat exchanger, exhaust valve device and the like., Especially if they are made of pipe or shaped sheet metal, with input and output areas as connection areas to be connected via this by means of intermediate or connecting pipe sections with other components or elements.
  • intermediate or connecting pipes which connect the various components together, from round, circular cross-sections having pipe sections, which are connected by welding, by means of flanges, clamps, or other means with the components.
  • Some of these components have a different than circular functional cross-section, so before and behind, ie at the input and output areas, transition areas with a circular end portion, z. B. circular on or Aufsteck Scheme attached, z. B. must be formed to connect the corresponding component by means of an intermediate or connecting pipe with a circular cross section with the next component.
  • the end of an exhaust system which usually open into a tailpipe, but not fixed, so not z. B. welded to this are circular in cross-section.
  • Various components such.
  • exhaust valves which are integrated as a unit in an exhaust system, have over its functional portion and beyond, over the entire length of the unit, including the transition areas include a circular cross-section, probably because such a circular cross-section generally at least fluidly and also - anyway at first glance - in the majority of cases may seem cheap.
  • the present invention was based on the consideration of at least individual components and other components of such an exhaust system with respect to at least one of the aspects, such as in particular function, space design cost and weight moderately cheaper, thus optimizing the exhaust system as a whole.
  • the input and / or the output region of at least individual components and thus also the corresponding transition region or the insertion or plug-on region of the component (s) and / or the outlet opening in the end region of the exhaust gas system has a cross section deviating from the circular cross section.
  • At least the intermediate or connecting tube connecting or connecting the component to another has a corresponding, adapted or adequate or congruent cross-section, at least in the transition region or in the insertion or attachment region, whereby it can be advantageous in many cases when this cross-section extends at least over substantial areas of the longitudinal extension of the intermediate or connecting pipe or over the entire length.
  • This cross-section can also at least partially adapted to other conditions, eg. B. for reasons of space, or for thermal reasons, for. B. to achieve improved heat dissipation or better heat transfer od. Dg I. be trained accordingly.
  • the input and / or the output region of such a component also receive a corresponding cross section deviating from the circular cross section.
  • At least the essential functional areas of components can be designed or redesigned so that they preferably deviate from the circular cross-section, together with at least one of their input and / or output areas or plug-in areas Section, in particular such from a pipe section, preferably from a profile tube having.
  • the invention can be used in a particularly advantageous manner, moreover, the configuration of the valve flap and / or associated pipe section is selected so that in the closed position between the inner contour of the pipe section and the valve flap remains a gap.
  • a diaphragm - a cross-sectional difference, or - seen in the flow direction - a difference of the effective areas of inner tube contour and valve flap, or a distance between the circumferential contours of the valve flap and the inner contour of opposite contours of the pipe section, to produce a targeted, predetermined leakage, which is greater than that guaranteed by the usual manufacturing tolerances leakage and at least the emergency running characteristics of the internal combustion engine guaranteed having substantially circular cross-section valve flap and / or the usually also has an at least substantially circular cross-section having a pipe section deviating from the circular cross-section (s) Nitt of the pipe section, as usual, have a circular cross-section and the aperture formed at least approximately elliptical be
  • the end position of the flap can be provided transversely to the longitudinal direction of the pipe section or defined before reaching the transverse position and by stopping the flap contours in the region of its longer semi-axis on the contours of the pipe, or it can be provided a separate stop.
  • Such an embodiment in any case excludes the above-mentioned flap clamps and reliably ensures the existence of emergency running properties in the case of defects in the actuator, especially since this function guaranteed by the invention is not dependent on other units, but this function of the already existing components by the invention Design of the same is met.
  • valve unit according to the invention can also be characterized in that the valve flap has at least one flattening, a cutout, a recess or the like at its outer circumference.
  • the exhaust system in the valve flap has a predetermined, targeted leakage, and consequently also a targeted, predetermined leak, which is greater than the leakage or leakage that occurs anyway by the usual production methods and these are just chosen be that emergency running properties of the vehicle are guaranteed.
  • a minimum leakage so a cross-sectional difference, or - seen in the flow direction - a difference of the areas of inner tube and valve flap, or a distance between the peripheral contours of the valve flap and the inner contour of opposite contours of the pipe section of up to 30%, preferably between 20-30%, particularly advantageously between 20 and 25%, but in particular at least 5%.
  • the Abgasanlagenend Scheme ie the area where the exhaust gas exits, or the entire exhaust end, have a deviating from the circular cross section and a (prefabricated) profile tube, as well as a flat tube, elliptical od. Like. be educated.
  • this area can also be provided with an exhaust flap unit, ie directly as the exhaust system end, wherein the cross section of the end region of the exhaust system, as well as the valve flap, so the entire optical design of this area, adapted to the design of the vehicle and / or the desired noise behavior could be. It can then even the so-called tailpipe aperture be saved.
  • Such an embodiment of the Abgasanlagenend Schemees may also be advantageous in cases where previously several, z. B. two exhaust pipes open into a common tailpipe.
  • the invention relates to the entire exhaust system, it is in the area of the so-called rear system, within which at least the majority of the components is, with particular advantage applicable.
  • FIG. 1 shows the invention, representative of other applications, using a valve unit in view
  • Fig. 3 is a section along the line III-III.
  • the valve unit 1 as a component and prefabricated unit has a drive unit 2 with an output shaft 3, which moves via a clutch 4, the valve shaft 5 with its valve flap 6 between a most open and a closed position.
  • the valve flap is provided in a pipe section which, like the flap 6, has a cross section deviating from the circular cross section, here an elliptical cross section.
  • Pipe section 7 and drive unit 2 are connected to each other via a console, not shown.
  • both the pipe 7 has transition regions 7a, 7b and the connecting pipes 8 and 9 connecting portions 8a and 9a as Ein- or Aufsteck Schemee the same shape, adequate or congruent to the pipe 7.
  • the exhaust flap has by attaching a flattening a smaller cross section than the tube 7, so that in the most closed position, a predetermined leakage arises and thus emergency running properties of the internal combustion engine are maintained.
  • DE patent application DE 10 2013 003 981.9 of 10 March 2013 and DE patent application Ser. K 0212, the contents of which are incorporated in the present application.
  • the tailpipe of an exhaust system may, as shown in Fig. 2, have a circular cross section and with an exhaust valve device. 1 be provided with the exhaust-side end of the tube 7 may represent directly the end of the exhaust system, but also running longer and can also be the end region flanged od. Like. Can be formed.
  • the invention relates to the entire exhaust system, it is in the area of the so-called rear system, within which at least the majority of the components is, with particular advantage applicable.

Landscapes

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

Abstract

L'invention concerne un système d'échappement ainsi que ses composants et éléments.
PCT/DE2014/000116 2013-03-10 2014-03-10 Système d'échappement WO2014139501A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE112014001214.9T DE112014001214A5 (de) 2013-03-10 2014-03-10 Abgasanlage
PCT/DE2014/000116 WO2014139501A1 (fr) 2013-03-10 2014-03-10 Système d'échappement
FR1451965A FR3003002B1 (fr) 2013-03-10 2014-03-10 Installation pour gaz d'echappement
DE102014003446.1A DE102014003446A1 (de) 2013-03-10 2014-03-10 Abgasanlage

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102013003981.9 2013-03-10
DE102013003981 2013-03-10
PCT/DE2014/000116 WO2014139501A1 (fr) 2013-03-10 2014-03-10 Système d'échappement

Publications (1)

Publication Number Publication Date
WO2014139501A1 true WO2014139501A1 (fr) 2014-09-18

Family

ID=50423927

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2014/000116 WO2014139501A1 (fr) 2013-03-10 2014-03-10 Système d'échappement

Country Status (3)

Country Link
DE (2) DE102014003446A1 (fr)
FR (1) FR3003002B1 (fr)
WO (1) WO2014139501A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014113332B3 (de) * 2014-09-16 2015-11-05 Smk Systeme Metall Kunststoff Gmbh & Co. Kg. Klappeneinrichtung
DE102014117987B4 (de) * 2014-12-05 2017-10-26 Pierburg Gmbh Klappenvorrichtung für eine Verbrennungskraftmaschine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0265889A2 (fr) * 1986-10-27 1988-05-04 Yamaha Motor Co., Ltd. Dispositif de commande des gaz d'échappement, en particulier pour motocyclette
EP0972918A2 (fr) * 1998-07-16 2000-01-19 Woodward Governor Company Vanne variable en continu à commande électrique pour des applications à haute température
EP1508678A2 (fr) * 2003-08-20 2005-02-23 Yamaha Hatsudoki Kabushiki Kaisha Système d'échappement pour moteur multicylindre, moteur multicylindre et véhicule à position à califourchon
EP1757784A2 (fr) * 2005-08-24 2007-02-28 Delphi Technologies, Inc. Clapet de tumble avec le centre de rotation variable pour un système d'admission d'air
US20090094978A1 (en) * 2007-10-12 2009-04-16 Mazda Motor Corporation Supercharger for an engine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013013387A1 (de) 2013-03-10 2014-09-11 Kohlhage Automotive GmbH & Co. KG Lagerung für eine Welle, insbesondere bei einer Ventileinheit, mit einer solchen Lagerung ausgestattete Ventileinheit und Verfahren zur Herstellung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0265889A2 (fr) * 1986-10-27 1988-05-04 Yamaha Motor Co., Ltd. Dispositif de commande des gaz d'échappement, en particulier pour motocyclette
EP0972918A2 (fr) * 1998-07-16 2000-01-19 Woodward Governor Company Vanne variable en continu à commande électrique pour des applications à haute température
EP1508678A2 (fr) * 2003-08-20 2005-02-23 Yamaha Hatsudoki Kabushiki Kaisha Système d'échappement pour moteur multicylindre, moteur multicylindre et véhicule à position à califourchon
EP1757784A2 (fr) * 2005-08-24 2007-02-28 Delphi Technologies, Inc. Clapet de tumble avec le centre de rotation variable pour un système d'admission d'air
US20090094978A1 (en) * 2007-10-12 2009-04-16 Mazda Motor Corporation Supercharger for an engine

Also Published As

Publication number Publication date
FR3003002B1 (fr) 2018-06-22
DE112014001214A5 (de) 2015-12-31
DE102014003446A1 (de) 2014-09-11
FR3003002A1 (fr) 2014-09-12

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