WO2022163273A1 - 排気マフラー - Google Patents

排気マフラー Download PDF

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Publication number
WO2022163273A1
WO2022163273A1 PCT/JP2021/048443 JP2021048443W WO2022163273A1 WO 2022163273 A1 WO2022163273 A1 WO 2022163273A1 JP 2021048443 W JP2021048443 W JP 2021048443W WO 2022163273 A1 WO2022163273 A1 WO 2022163273A1
Authority
WO
WIPO (PCT)
Prior art keywords
silencer
exhaust pipe
exhaust
exhaust muffler
space
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
PCT/JP2021/048443
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English (en)
French (fr)
Japanese (ja)
Inventor
石川正純
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.)
Sankei Giken Kogyo Co Ltd
Original Assignee
Sankei Giken Kogyo Co Ltd
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 Sankei Giken Kogyo Co Ltd filed Critical Sankei Giken Kogyo Co Ltd
Publication of WO2022163273A1 publication Critical patent/WO2022163273A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • 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
    • 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
    • F01N13/16—Selection of particular materials

Definitions

  • the present invention relates to an exhaust muffler attached to the underfloor space of a vehicle.
  • an exhaust muffler that discharges the exhaust generated by the internal combustion engine of an automobile to the outside.
  • the exhaust muffler includes, for example, an exhaust pipe composed of a cylindrical exhaust pipe, a sub-silencer having a diameter larger than that of the exhaust pipe, a main silencer having a diameter larger than that of the exhaust pipe, and a tail end behind the exhaust pipe. has its front end attached to an attached member such as a catalytic converter, its rear end attached to a main silencer, and a sub-silencer disposed in the middle of an exhaust pipe.
  • Such an exhaust muffler is used by being attached to an underfloor space of a vehicle such as a four-wheeled vehicle, as shown in FIG. 2 of Patent Document 1.
  • the present invention is proposed in view of the above problems, and an object thereof is to provide an exhaust muffler capable of suppressing the height of the installation space in the underfloor space of the vehicle and promoting the reduction of the floor of the vehicle.
  • An exhaust muffler comprises an exhaust pipe line provided with a silencer, is attached to an underfloor space of a vehicle, and is characterized in that the whole is formed in a flat shape extending substantially horizontally. According to this, by forming the exhaust muffler in a flat shape that extends substantially horizontally as a whole, the height of the installation space in the underfloor space of the vehicle can be suppressed, and the floor of the vehicle can be lowered. Therefore, it is possible to improve the liftability of the vehicle, secure a wider interior space, and improve the running stability and ride comfort by lowering the center of gravity of the vehicle. Furthermore, since the height of the installation space in the underfloor space of the vehicle can be suppressed, the air resistance can be reduced and the aerodynamic characteristics can be improved.
  • a main silencer is provided at the rear end portion of the exhaust pipe line, the main silencer being formed so as to expand in a substantially tapered shape in the width direction and to expand in the height direction in a substantially tapered shape at an inclination angle smaller than that in the width direction.
  • a group of through-holes penetrating into the space between the upper surface of the main silencer and the upper surface of the exhaust pipe is formed in the upper surface of the insertion portion of the exhaust pipe into the main silencer, and the exhaust pipe is inserted into the main silencer.
  • a group of through-holes is formed in the lower surface of the insertion portion to extend through the space between the lower surface of the main silencer and the lower surface of the main silencer.
  • a sub-silencer is provided in the middle of the exhaust pipe so as to surround the outer periphery of the exhaust pipe, and the sub-silencer is provided on the upper surface of the insertion portion of the exhaust pipe into the sub-silencer.
  • a group of through-holes penetrating the space between the upper surface of the silencer is formed, and a through-hole penetrating the space between the lower surface of the sub-silencer is formed in the lower surface of the insertion portion of the exhaust pipe to the sub-silencer.
  • a group is formed.
  • the exhaust muffler of the present invention is characterized by being entirely made of plastic. More preferably, the plastic is a heat-resistant plastic. According to this, it is possible to easily manufacture an exhaust muffler having a desired shape by adjusting the shape of the mold, and it is possible to increase the degree of freedom in the shape of the exhaust muffler. In addition, an exhaust muffler made entirely of plastic is lighter than an exhaust muffler made of metal. Deterioration and breakage can be prevented.
  • the exhaust muffler of the present invention is characterized in that the plastic is polypropylene. According to this, it is possible to further reduce the weight of the exhaust muffler, and to reduce the manufacturing cost of the exhaust muffler by using polypropylene, which is a general-purpose plastic. In addition, it is possible to obtain an exhaust muffler that is acid-resistant, alkali-resistant and resistant to water absorption, and that is less susceptible to condensed water or the like. In addition, since polypropylene is hard to break, it is possible to enhance the damage prevention effect of the plastic exhaust muffler.
  • the mounting plate portions projecting and extending on both sides in the width direction of the exhaust pipe are integrally formed of the plastic, and the mounting plate portions are spaced apart in the longitudinal direction of the exhaust pipe. are installed at a plurality of locations by opening the opening, and fixed to a member to be mounted of the vehicle via the mounting portion near the tip of the mounting plate portion.
  • the exhaust muffler of the present invention it is possible to reduce the height of the installation space in the underfloor space of the vehicle and promote the low floor of the vehicle.
  • FIG. 2 is a perspective view of a state in which an exhaust muffler of an embodiment according to the present invention is attached to a member to be connected, as viewed from below;
  • FIG. 3 is a perspective view of the state where the exhaust muffler of the embodiment is attached to a member to be connected, viewed from above.
  • FIG. 4 is a vertical cross-sectional view of the exhaust muffler of the embodiment attached to a member to be connected; (a) is an enlarged sectional view around the first silencer in FIG. 3, (b) is an enlarged sectional view around the second silencer in FIG. 3, and (c) is an enlarged sectional view around the third silencer in FIG. FIG.
  • FIG. 4 is a cross-sectional view of the exhaust muffler of the embodiment attached to a member to be connected;
  • FIG. 2 is a bottom view of the vehicle to which the exhaust muffler of the embodiment is attached;
  • FIG. 4 is a perspective explanatory view for explaining attachment of the exhaust muffler of the embodiment to a member to be connected;
  • FIG. 4 is a perspective explanatory view for explaining attachment of the exhaust muffler of the embodiment to a member to be attached;
  • FIG. 4 is a perspective explanatory view illustrating another example of attachment of the exhaust muffler of the embodiment to a member to be attached.
  • An exhaust muffler 1 is attached to an underfloor space of a vehicle 100, and is provided with a first silencer 3, a second silencer 4, and a third silencer 5, as shown in FIGS. It is composed of the exhaust pipe line 2 and is formed in a flat shape that extends substantially horizontally as a whole. That is, the exhaust pipe line 2, the first silencer 3, the second silencer 4, and the third silencer 5 are each formed in a flat shape extending substantially horizontally.
  • the exhaust muffler 1 composed of the exhaust pipe 2, the first silencer 3, the second silencer 4, and the third silencer 5 can be entirely made of a metal material such as aluminum or brass. It is preferably made of plastic, and more preferably entirely made of heat-resistant plastic. Polypropylene is suitable for this plastic.
  • plastic such as heat-resistant plastic
  • each constituent member which constitutes the whole is integrally formed of heat-resistant synthetic resin of the same material such as polypropylene by injection molding or the like, or heat-resistant synthetic resin of the same material such as polypropylene is used as required.
  • An exhaust muffler 1 composed of an exhaust pipe line 2, a first silencer 3, a second silencer 4 and a third silencer 5 in the illustrated example is entirely made of heat-resistant plastic.
  • the exhaust pipe line 2 is formed in a flat tubular shape extending substantially horizontally over substantially the entire length, but is formed in a substantially cylindrical shape near the front end.
  • a flange 21 is provided at the front end of the exhaust pipe 2, and insertion holes 22 are formed in the flange 21 at intervals in the circumferential direction.
  • a flange 201 is also provided at the rear end portion of a substantially tubular connected member 200 connected to the exhaust pipe line 2, and insertion holes 202 are also formed in the flange 201 at intervals in the circumferential direction.
  • the exhaust pipe 2 of the exhaust muffler 1 and the connected member 200 align the insertion holes 22 with the insertion holes 202 and abut the flanges 21 and 201, and the male threads of the bolts 301 are inserted into the communication insertion holes 202 and 22.
  • a nut 302 is screwed onto the externally threaded portion so as to be fixedly connected (see FIG. 7).
  • the connected member 200 connected to the exhaust pipe line 2 of the exhaust muffler 1 is appropriate within the scope of the present invention.
  • it can be a downstream pipe fixedly connected to the downstream side thereof, or a downstream pipe fixedly connected to the catalytic converter or the downstream side thereof.
  • synthetic resin such as heat-resistant resin This is preferable because it facilitates formation of the exhaust muffler 1 and the exhaust pipe line 2.
  • the configuration of fixing and connecting the exhaust pipe line 2 to the connected member 200 is appropriate other than the fastening of the bolt 301 and the nut 302, and it is also possible to fix it by adhesion or the like.
  • the 200 is made of a metal material such as stainless steel, it is preferable that the bolt 301 and the nut 302 are fastened, or that they are fixed and connected using fasteners such as tapping screws.
  • the first silencer 3 corresponds to a sub-silencer, and is provided in the middle of the exhaust pipe 2 and near the upstream of the exhaust pipe 2 so as to surround the outer circumference of the exhaust pipe 2 .
  • the first silencer 3 of this example is formed in a flat tubular shape that extends substantially horizontally and has a closed front end surface and a rear end surface, and the inside is hollow. ing.
  • Through-hole groups 24 are formed in the upper surface and the lower surface of a substantially flat cylindrical inserting portion 23 of the exhaust pipe 2 into the first silencer 3.
  • the through-hole group 24 on the upper surface of the inserting portion 23 is The through-hole group 24 on the lower surface of the inserting portion 23 extends through the space between the upper surface of the inserting portion 23 and the upper surface 31 of the first silencer 3 . It penetrates the space between The space between the upper surface of the insertion portion 23 and the upper surface 31 of the first silencer 3 and the space between the lower surface of the insertion portion 23 and the lower surface 32 of the first silencer 3 are substantially flat cylindrical insertion portions.
  • the first silencer 3 is provided with a flat cylindrical continuous space for expanding the exhaust gas.
  • the second silencer 4 corresponds to a sub-silencer, and is provided in the middle of the exhaust pipe 2 and in the vicinity of the middle position in the longitudinal direction of the exhaust pipe 2 so as to surround the outer periphery of the exhaust pipe 2. In addition, it is arranged downstream of the first silencer 3 and is provided apart from the first silencer 3 .
  • the second silencer 4 of this example is formed in a flat cylindrical shape that extends substantially horizontally and has a closed front end surface and a rear end surface, similar to the first silencer 3.
  • the inside is hollow.
  • Through-hole groups 26 are formed in the upper and lower surfaces of a substantially flat cylindrical insertion portion 25 of the exhaust pipe 2 into the second silencer 4.
  • the through-hole group 26 on the upper surface of the insertion portion 25 penetrates into the space between the upper surface of the inserting portion 25 and the upper surface 41 of the second silencer 4 . It penetrates the space between The space between the upper surface of the insertion portion 25 and the upper surface 41 of the second silencer 4 and the space between the lower surface of the insertion portion 25 and the lower surface 42 of the second silencer 4 are substantially flat cylindrical insertion portions.
  • the second silencer 4 is provided with a flat cylindrical continuous space for expanding the exhaust gas.
  • the third silencer 5 corresponds to the main silencer, and is formed at the rear end of the exhaust pipe 2 so as to expand in a substantially tapered shape in the width direction and in the height direction at an inclination angle smaller than that in the width direction. It is As shown in FIGS. 4C and 5, the third silencer 5 of this example has tapered side walls 51, 51 that widen in a substantially tapered shape in the width direction toward the downstream side of the exhaust pipe line 2, and has an exhaust pipe. It has a tapered upper plate 52 and a tapered lower plate 53 that widen in a substantially tapered shape in the height direction toward the downstream side of the pipeline 2, and the inclination angles of the tapered upper plate 52 and the tapered lower plate 53 in order to secure a flat shape.
  • a flat tubular portion 54 is formed to extend downstream from the rear ends of the tapered side walls 51, 51, the tapered upper plate 52, and the tapered lower plate 53, and the flat tubular portion 54 has substantially the same width and substantially the same height. , extending downstream.
  • the flat cylindrical portion 54 or its rear portion also functions as a tail end.
  • a through-hole group 28 is formed in the upper and lower surfaces of the insertion portion 27 of the exhaust pipe 2 to the third silencer 5 , and the through-hole group 28 on the upper surface of the insertion portion 27 and the tapered upper plate 52 corresponding to the upper surface of the third silencer 5. It penetrates into a space between the lower surface of the portion 27 and the tapered lower plate 53 corresponding to the lower surface of the third silencer 5, the height of which gradually increases toward the rear.
  • This space is continuous with the outer periphery of the substantially flat cylindrical inserting portion 27, and a continuous space that expands in the width direction and the height direction for expanding the exhaust gas is provided inside the third silencer 5.
  • Partition walls 55 and 56 are provided inside the flat tubular portion 54 of the third silencer 5 so as to be substantially perpendicular to the axial direction of the exhaust pipe 2 , and the partition walls 55 and 56 are separated from each other in the axial direction of the exhaust pipe 2 . are arranged as follows. A distal end portion of the insertion portion 27 of the exhaust pipe line 2 is provided so as to pass through the partition wall 55 positioned on the upstream side in the exhaust flow direction. Communicating pipes 57 are provided on both sides of the inserting portion 27 in the width direction so as to communicate with the partition walls 55 and 56 , and a through hole group 571 is formed in the peripheral wall of the communicating pipe 57 .
  • the mounting plate portions 6 are provided so as to protrude sideways.
  • the mounting plate portion 6 of this example is formed in an elongated plate shape, and has a mounting portion configured with a mounting hole 61 shown in FIG. 4.
  • the mounting portion is formed so as to protrude laterally outward from any side end of the third silencer 5 .
  • the exhaust muffler 1 is formed of plastic such as heat-resistant plastic, it is possible to fix the mounting plate portion 6 to a predetermined portion by adhesion or the like.
  • the mounting plate portions 6 are installed at a plurality of locations spaced apart in the longitudinal direction of the exhaust pipe 2.
  • heat-resistant plastic such as polypropylene is attached to three locations spaced apart in the longitudinal direction of the exhaust pipe 2.
  • a plate portion 6.6 is installed.
  • the mounting plate portions 6 are provided so as to protrude and extend from the upper surface 31 of the first silencer 3 to both sides, and the exhaust gas on the downstream side of the second silencer 4 is provided.
  • Mounting plate portions 6 are provided so as to protrude and extend to both sides from the upper side of the upper surface of the pipe line 2, and the mounting plate portions 6 are provided so as to protrude and extend to both sides from the upper side of the tapered upper plate 52 of the third silencer 4.
  • a part 6.6 is provided.
  • the exhaust muffler 1 is fixed to a mounting member 101 of the vehicle 100 via a mounting portion such as a mounting hole 61 near the tip of the mounting plate portion 6 and mounted in the underfloor space of the vehicle 100 .
  • a mounting portion such as a mounting hole 61 near the tip of the mounting plate portion 6 and mounted in the underfloor space of the vehicle 100 .
  • fasteners 71 such as screws, bolts, or clips are inserted into mounting holes 61, and the distal ends of fasteners 71 are attached to members 101 to be mounted. It is fixed and attached so as to be embedded in the
  • the mounting member 100 can be a suitable member arranged at the bottom of the vehicle 100 as long as the exhaust muffler 1 can be mounted thereon.
  • the height of the installation space in the space under the floor of the vehicle 100 is suppressed by forming the exhaust muffler 1 formed in a flat shape that extends substantially horizontally. can promote transformation. Therefore, it is possible to improve the elevating ability of the vehicle 100, secure a wider interior space, and improve the running stability and ride comfort by lowering the center of gravity of the vehicle. Furthermore, since the height of the installation space in the underfloor space of the vehicle 100 can be suppressed, air resistance can be reduced and aerodynamic characteristics can be improved.
  • the wide space between the upper surface of the insertion portion 23 corresponding to the sub-silencer of the exhaust pipe line 2 and the upper surface 31 of the first silencer 3, the lower surface of the insertion portion 23 and the first silencer 3 The wide space between the silencer 3 and the lower surface 32 expands the exhaust gas over a wide range, and the upper surface of the insertion portion 25 and the upper surface of the second silencer 4 corresponding to the sub-silencer of the exhaust pipe line 2 are inserted into the second silencer 4. 41 and the wide space between the lower surface of the inserting part 25 and the lower surface 42 of the second silencer 4, the exhaust gas is expanded in a wide range, and a high noise reduction effect can be reliably obtained.
  • the wide space between the upper surface of the insertion portion 27 corresponding to the main silencer of the exhaust pipe line 2 and the upper surface of the third silencer 5, the lower surface of the insertion portion 27 and the third silencer Exhaust gas can be expanded in a wide range in the wide space between the lower surface of 5, and a high silencing effect can be reliably obtained.
  • the entire exhaust muffler 1 by forming the entire exhaust muffler 1 from a plastic such as a heat-resistant plastic, it is possible to easily manufacture the exhaust muffler 1 in any desired shape by adjusting the shape of the mold. can increase. since the exhaust muffler 1 made entirely of plastic such as heat-resistant plastic is lighter than an exhaust muffler made of metal, the resonance frequency of the exhaust muffler 1 can be increased. It is possible to prevent the deterioration and breakage of the exhaust muffler 1 due to the vibration.
  • a plastic such as a heat-resistant plastic
  • the entire exhaust muffler 1 is made of polypropylene, which is a plastic such as a heat-resistant plastic
  • the weight of the exhaust muffler 1 can be further reduced. reduction can be achieved.
  • the exhaust muffler 1 can be made resistant to acids and alkalis and less likely to absorb water, and the exhaust muffler 1 can be obtained which is less susceptible to condensed water or the like.
  • polypropylene is hard to break, it is possible to enhance the effect of preventing breakage of the exhaust muffler 1 made of plastic such as heat-resistant plastic.
  • the exhaust muffler 1 by mounting the exhaust muffler 1 on the vehicle 100 via the mounting plate portion 6 integrally provided with the exhaust muffler 1 made of plastic such as heat-resistant plastic, vibration can be suppressed by internal damping of the exhaust muffler 1 including the mounting plate portion 6 . Therefore, it is possible to suppress the transmission of noise and vibration into the passenger compartment without using a vibration-proof hanging rubber.
  • the exhaust muffler 1 can be fixed to the vehicle 100 without using a vibration-proof suspension rubber, and the number of parts for attaching the exhaust muffler 1 to the vehicle 100 can be reduced.
  • the structure for fixing to the mounted member 101 of the vehicle 100 via the mounting portion such as the mounting hole 61 near the tip of the mounting plate portion 6 may be configured by only the above-described fastener 71, but for example, as shown in FIG.
  • Such a configuration in which the cushioning material 72 such as rubber is interposed together is preferable because the effect of suppressing both the vibration to the exhaust muffler 1 and the vibration transmitted to the interior of the vehicle can be enhanced.
  • the hole of the cushioning material 72 and the hole of the washer 73 are aligned with the mounting hole 61, the cushioning material 72 and the washer 73 are arranged in order below the mounting hole 61, and are fastened so as to communicate with them.
  • a tool 71 is inserted, and the tip of the fastener 71 is fixed so as to be embedded in the attached member 101 .
  • the exhaust muffler of the present invention includes an exhaust pipe line provided with a silencer, is attached to the underfloor space of the vehicle, and includes an appropriate configuration formed in a flat shape that extends substantially horizontally as a whole,
  • an exhaust muffler composed of one main silencer, one sub-silencer and an exhaust pipe is also included.
  • the group of through-holes passing through the space between the main silencer or the sub-silencer and the exhaust pipe may be formed only on the top surface of the exhaust pipe, only on the bottom surface of the exhaust pipe, or only on one side of the exhaust pipe, or A structure formed on both sides of the exhaust pipe is also included in the exhaust muffler of the present invention.
  • the present invention can be used as an exhaust muffler for exhaust emitted from an internal combustion engine of an automobile.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Exhaust Silencers (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
PCT/JP2021/048443 2021-01-26 2021-12-25 排気マフラー Ceased WO2022163273A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-010713 2021-01-26
JP2021010713A JP7478502B2 (ja) 2021-01-26 2021-01-26 排気マフラー

Publications (1)

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WO2022163273A1 true WO2022163273A1 (ja) 2022-08-04

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PCT/JP2021/048443 Ceased WO2022163273A1 (ja) 2021-01-26 2021-12-25 排気マフラー

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WO (1) WO2022163273A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0879937A1 (en) * 1997-05-21 1998-11-25 F.lli Bastelli snc di Bastelli Paolo - Bastelli Claudio & C. Silencer group for muffler of internal combustion engines
JPH1162547A (ja) * 1997-08-26 1999-03-05 Calsonic Corp 車両用排気消音装置
JP2006168424A (ja) * 2004-12-13 2006-06-29 Toyota Motor Corp マフラ支持構造
US20190195116A1 (en) * 2017-12-21 2019-06-27 Faurecia Emissions Control Technologies, Germany Gmbh Exhaust system for a combustion engine of a motor vehicle and motor vehicle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3829564B2 (ja) 2000-02-10 2006-10-04 トヨタ自動車株式会社 車両の排気系構造
JP2006307667A (ja) 2005-04-26 2006-11-09 Toyota Motor Corp 排気管構造

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0879937A1 (en) * 1997-05-21 1998-11-25 F.lli Bastelli snc di Bastelli Paolo - Bastelli Claudio & C. Silencer group for muffler of internal combustion engines
JPH1162547A (ja) * 1997-08-26 1999-03-05 Calsonic Corp 車両用排気消音装置
JP2006168424A (ja) * 2004-12-13 2006-06-29 Toyota Motor Corp マフラ支持構造
US20190195116A1 (en) * 2017-12-21 2019-06-27 Faurecia Emissions Control Technologies, Germany Gmbh Exhaust system for a combustion engine of a motor vehicle and motor vehicle

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JP7478502B2 (ja) 2024-05-07
JP2022114400A (ja) 2022-08-05

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