EP1739287A1 - Procédé d'actionnement d'un élément de selection d'un système d'échappement pour un véhicule - Google Patents

Procédé d'actionnement d'un élément de selection d'un système d'échappement pour un véhicule Download PDF

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Publication number
EP1739287A1
EP1739287A1 EP06005140A EP06005140A EP1739287A1 EP 1739287 A1 EP1739287 A1 EP 1739287A1 EP 06005140 A EP06005140 A EP 06005140A EP 06005140 A EP06005140 A EP 06005140A EP 1739287 A1 EP1739287 A1 EP 1739287A1
Authority
EP
European Patent Office
Prior art keywords
vehicle
operating parameter
reversing member
drive train
control
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
Application number
EP06005140A
Other languages
German (de)
English (en)
Other versions
EP1739287B1 (fr
Inventor
Jürgen Schorn
Jörg Winkel
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.)
Dr Ing HCF Porsche AG
Original Assignee
Dr Ing HCF Porsche AG
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 Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Publication of EP1739287A1 publication Critical patent/EP1739287A1/fr
Application granted granted Critical
Publication of EP1739287B1 publication Critical patent/EP1739287B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/166—Silencing apparatus characterised by method of silencing by using movable parts for changing gas flow path through the silencer or for adjusting the dimensions of a chamber or a 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/14—Plurality of outlet tubes, e.g. in parallel or with different length

Definitions

  • the DE 103 09 468 A1 describes a generic method for actuating a Um Kunststofforgans an exhaust system in a motor vehicle.
  • the reversing device is designed as a shut-off means in the form of a movable flap, which can be controlled such that it occupies a passage position in a first position or a shut-off position in a second position, whereby at least two flow paths for the exhaust gas can be provided in the exhaust system.
  • the control of the Um Tavernorgans ie the actuation of the flap from the shut-off position in the passage position and vice versa, takes place here in dependence of a map or manually controlled according to a driver's request.
  • an exhaust system with a reversing device is known, which is designed as a poppet valve. Depending on whether the poppet valve occupies a passage or shut-off position, the exhaust gas flow coming from the internal combustion engine is guided via a first or second flow path.
  • the different flow paths are characterized by different exhaust back pressures and / or by different noise damping properties, so that the exhaust systems also known as flap exhaust systems can be used to improve the performance of the internal combustion engine and / or provide two different exhaust sound images.
  • the object of the invention is to optimize an aforementioned method for actuating a reversing device of an exhaust system.
  • an exhaust system can be operated so that in the passenger compartment - regardless of the position of the passenger compartment limiting vehicle part - an optimized sound pattern can be perceived. It has been found that the sound patterns produced by the exhaust gas flow can carry unwanted side noises, which are perceived differently within the passenger compartment, depending on whether the vehicle compartment delimiting the vehicle compartment is in an open position or a closed position. If the passenger compartment limiting vehicle part is at least partially open, penetrate from the outside in the passenger compartment noise, such as wind noise while driving, sounds from other vehicles or other environmental noise that can cover or erase the noise generated by the exhaust stream at least partially, so they not perceived or only subdued. If the vehicle part is closed, the background noise can be perceived reinforced.
  • the respectively favorable flow path is selected as a function of the position of the vehicle part in accordance with the position of the reversing element.
  • control according to the invention in dependence on the position of the passenger compartment limiting vehicle part can in a development of the conventional control (see claim 2) of the Um Kunststofforgans, for example, depending on the speed of the load state or similar operating parameters of the drive train, in particular the prime mover or a driver's request (see claim 3) are superimposed.
  • this method can be implemented in a particularly simple manner.
  • Operating parameters of the drive train are recorded in most vehicles anyway. These include, for example, the speed and the load state of the internal combustion engine, the engaged gear of the transmission gear of the drive train or other operating parameters of the drive train. Consequently, the operating parameters, which are detected in any case, can be used to control the reversing device of the exhaust system.
  • the reversing member can be displaced from the second position to the first position when the vehicle part is in the open position.
  • the reversing member may be moved from the second position to the first position when the vehicle part is in the open position, the second speed value being higher than the first speed value.
  • the load state of the prime mover for the control of Um Kunststofforgans be used.
  • the reversing member is reversed at a predetermined speed value of the engine from the second position to the first position, in particular in the first position of the Um Kunststofforgans within the exhaust system, a flow path is adjusted, which generates a lower exhaust back pressure as this is the flow path, when the reversing member is in the second position.
  • the reversing member is moved from the first position back to the second position when the prime mover reaches a predetermined load condition. It has been shown that at high load within the exhaust system and noisy noises are generated by the exhaust gas flow. To avoid excessive noise, therefore, the reversing member is moved back to the second position.
  • the method according to the invention is particularly preferably used in motor vehicles which have a movable roof element, which roof element can therefore be regarded as a vehicle part which at least partially delimits the passenger compartment.
  • the movable roof element is thus, for example, a retractable roof, as used in a convertible.
  • the movable roof element may also be a sliding cover or a large-surface sunroof, as used in closed vehicles in the roof area.
  • the passenger compartment at least partially limiting vehicle part is a disc, such as side window of the door or the like.
  • the respective position of the vehicle part can be easily determined by known measures, in particular when the vehicle part is moved by means of external power drive.
  • FIG. 1 shows a partially illustrated exhaust system 1 a muffler 2, which is located between an exhaust inlet of the exhaust system 1, not shown here and an exhaust gas outlet of the exhaust system 1.
  • the exhaust gas inlet is connected to a drive machine, not shown here, of a drive train of a motor vehicle. Downstream of the exhaust inlet, that is seen in the flow direction of the exhaust gas, the muffler 2 on an input 3, which leads via a pipe 4 to the muffler 2.
  • the muffler 2 further has at least one output 5, preferably two outputs 5 and 6, which lead to the outlet of the exhaust system 1, not shown here, and which are located at the end of further tubes 4, which are connected to the muffler 2.
  • a reversing member 7 is arranged, with which - depending on its first position or second position between the exhaust inlet and the exhaust outlet, two different flow paths for the exhaust gas are adjustable.
  • the reversing member 7 is in the embodiment shown adjacent to the muffler 2 and preferably disposed within a tube 4, which has the output 5 and 6, respectively. It is in a preferred embodiment as disposed within the tube 4 shut-off 7 ', for example in the form of a flap 8, executed, which is shown in solid lines in a shut-off AS (second position) and dashed lines in a passage position DS (first position).
  • the incoming via the input 3 into the muffler 2 passes Exhaust gas to the output 5 or 6.
  • the aforementioned two flow paths for the exhaust gas are thus provided by different exhaust paths within the muffler 2, wherein according to the position of the reversing member 7, the corresponding flow path is set.
  • a drive 9 is provided for moving the reversing member 7 in shut-off position AS (second position) or passage position DS (first position) is still a drive 9 is provided.
  • the drive 9 and thus the reversing element 7 are actuated, for example, as a function of at least one operating parameter of the drive train of the vehicle, not shown here, which drive train has at least the drive machine as internal combustion engine and a transmission gear.
  • the control of the Um Kunststofforgans 7 manually done as a driver request via a button / switch.
  • the vehicle part 11 is for example a side window, which is arranged in the closed position SP1 above a belt line 14 and in an open position, not shown, at least partially below the belt line 14.
  • the vehicle part 12 is designed here as a large sliding cover 15 which is slidably disposed between two roof longitudinal members 16 and 17 and assumes its closed position SP2 in solid lines.
  • the vehicle part 12, ie the sliding cover 15, can be displaced into an open position OP drawn in dashed lines, so that a roof opening 18 is at least partially released.
  • the vehicle parts 11, 12 are part of an outer skin of the body of the motor vehicle 13.
  • a convertible top is provided as the vehicle part 19, which delimits the passenger compartment 10 above the belt line 14, which is present in a closed position SP3 in FIG. 3 and in an open position, not shown here, in one here not shown and below one Top compartment lid 20 lying top compartment box can be completely stored.
  • the vehicle part 19 in FIG. 3 and the vehicle part 12 in FIG. 2 form movable roof elements which can thus be displaced into an open position OP or closed position SP3 or SP2.
  • the flap 8 shown in FIG. 1 is displaced from the shut-off position AS into the passage position DS and vice versa, so that in dependence the position of the vehicle parts 11, 12 and 19 and depending on an operating parameter of the drive train, the different flow paths can be adjusted.
  • the reversing member 7 is designed as a shut-off 7 ', which assumes the passage position DS in the first position and the shut-off position AS in the second position.
  • the set flow path has a lower exhaust gas back pressure and / or a lower noise damping than the other flow path, which is set when the shut-off position AS is set.
  • the vehicle part 19 is designed as a top, as shown in FIG. 3.
  • the blocking means 7 ' is controlled as a function of a first operating parameter BP1 and a second operating parameter BP2 of the drive train.
  • the shut-off means 7 ' is moved from the shut-off position AS into the passage position DS and, at a second value W2 of the second operating parameter BP2, is moved back again from the passage position DS into the shut-off position AS.
  • the assigned values W1 OP and W2 OP and for the closed position SP3 of the vehicle part 19 are the corresponding values W1 SP and W2 SP , whereby W1 OP ⁇ W1 SP and W2 apply to the activation of the shut-off means 7 ' OP > W2 SP .
  • These values for controlling the reversing element 7 or the blocking means 7 ' can be stored in a so-called characteristic field 21, preferably with at least one characteristic curve, which is part of a control device 22 for the reversing element 7.
  • the control device 22 also has an evaluation unit 23, which detects the operating parameters BP1, BP2 and the open and / or closed position SP of the at least one vehicle part 11, 12, 19 and supplies the drive 9 via a drive unit 24.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
EP06005140A 2005-06-27 2006-03-14 Procédé d'actionnement d'un élément de selection d'un système d'échappement pour un véhicule Expired - Fee Related EP1739287B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005029763A DE102005029763A1 (de) 2005-06-27 2005-06-27 Verfahren zum Betätigen eines Umsteuerorgans einer Abgasanlage für ein Fahrzeug

Publications (2)

Publication Number Publication Date
EP1739287A1 true EP1739287A1 (fr) 2007-01-03
EP1739287B1 EP1739287B1 (fr) 2008-02-13

Family

ID=36616817

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06005140A Expired - Fee Related EP1739287B1 (fr) 2005-06-27 2006-03-14 Procédé d'actionnement d'un élément de selection d'un système d'échappement pour un véhicule

Country Status (3)

Country Link
US (1) US20060292974A1 (fr)
EP (1) EP1739287B1 (fr)
DE (2) DE102005029763A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010064088A1 (de) 2010-12-02 2012-06-06 Kess-Tech Gmbh Schalldämpfer für Auspuff-Anlagen
DE102012200456A1 (de) * 2012-01-13 2013-07-18 Kess-Tech Gmbh Schalldämpfer-Anordnung
US10443479B2 (en) * 2014-10-30 2019-10-15 Roush Enterprises, Inc. Exhaust control system
WO2017079156A1 (fr) 2015-11-02 2017-05-11 Roush Enterprises, Inc. Silencieux à voies d'échappement sélectionnées

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4901528A (en) * 1988-01-16 1990-02-20 Nissan Motor Co., Ltd. System for suppressing noise due to exhaust gas from motor vehicle
US4913260A (en) * 1988-01-11 1990-04-03 Tenneco Inc. Gas silencing system with controlling sound attenuation
DE19837097A1 (de) 1998-08-17 2000-02-24 Porsche Ag Abgasanlage einer Brennkraftmaschine
DE10309468A1 (de) 2003-03-03 2004-09-23 Dr.Ing.H.C. F. Porsche Ag Abgasleitung einer Brennkraftmaschine mit steuerbaren Abgasklappen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3856485A (en) * 1967-11-11 1974-12-24 Meps Inc Apparatus and methods for treating exhaust gases of combustion
US4901628A (en) * 1983-08-11 1990-02-20 General Motors Corporation Hydraulic actuator having a microwave antenna
US5680468A (en) * 1995-02-21 1997-10-21 Chrysler Corporation Methods of and systems for speaker equalization in automotive vehicles having convertible tops
DE19945259C1 (de) * 1999-09-21 2001-01-11 Bayerische Motoren Werke Ag Vorrichtung zur elektroakustischen Geräuscherzeugung bei einem Kraftfahrzeug
SE517794C2 (sv) * 1999-11-05 2002-07-16 Erik Jonsson Ljuddämpningsanordning
DE10063766B4 (de) * 2000-12-21 2005-01-27 Daimlerchrysler Ag Airbagvorrichtung für einen Personenkraftwagen
DE10144787C5 (de) * 2001-09-11 2009-11-12 Continental Automotive Gmbh Fahrzeug mit einem Schallabstrahlelement
US6662554B2 (en) * 2002-01-23 2003-12-16 Deere & Company Adjustable restriction muffler system for a combine
JP2004183622A (ja) * 2002-12-06 2004-07-02 Honda Motor Co Ltd 内燃機関の排気消音器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4913260A (en) * 1988-01-11 1990-04-03 Tenneco Inc. Gas silencing system with controlling sound attenuation
US4901528A (en) * 1988-01-16 1990-02-20 Nissan Motor Co., Ltd. System for suppressing noise due to exhaust gas from motor vehicle
DE19837097A1 (de) 1998-08-17 2000-02-24 Porsche Ag Abgasanlage einer Brennkraftmaschine
DE10309468A1 (de) 2003-03-03 2004-09-23 Dr.Ing.H.C. F. Porsche Ag Abgasleitung einer Brennkraftmaschine mit steuerbaren Abgasklappen

Also Published As

Publication number Publication date
DE502006000340D1 (de) 2008-03-27
US20060292974A1 (en) 2006-12-28
DE102005029763A1 (de) 2006-12-28
EP1739287B1 (fr) 2008-02-13

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