CN102869866B - Gas extraction system - Google Patents
Gas extraction system Download PDFInfo
- Publication number
- CN102869866B CN102869866B CN201180021910.2A CN201180021910A CN102869866B CN 102869866 B CN102869866 B CN 102869866B CN 201180021910 A CN201180021910 A CN 201180021910A CN 102869866 B CN102869866 B CN 102869866B
- Authority
- CN
- China
- Prior art keywords
- discharging device
- smoke discharging
- auxiliary smoke
- exhaustor
- heel row
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000605 extraction Methods 0.000 title claims abstract description 25
- 238000007599 discharging Methods 0.000 claims abstract description 107
- 239000000779 smoke Substances 0.000 claims abstract description 107
- 210000003437 trachea Anatomy 0.000 claims description 82
- 239000007789 gas Substances 0.000 claims description 41
- 238000000926 separation method Methods 0.000 claims description 14
- 229910000679 solder Inorganic materials 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 10
- 238000007665 sagging Methods 0.000 description 23
- 238000005516 engineering process Methods 0.000 description 5
- 238000002372 labelling Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
- F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
- F01N13/1822—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration for fixing exhaust pipes or devices to vehicle body
-
- 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 ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
In gas extraction system, falling to preventing part (15) to be arranged in auxiliary smoke discharging device (3) and at least one of exhaustor (2,4) that engages with auxiliary smoke discharging device (3), this whereabouts prevents part to be suspended on auxiliary smoke discharging device (3) by exhaustor (2,4) when the junction surface (8b) of auxiliary smoke discharging device (3) and exhaustor (2,4) separates。
Description
Technical field
The present invention relates to gas extraction system, it includes being installed to waste pipe and the midway being arranged in this pipe and the auxiliary smoke discharging device hung from vehicle body, and wherein auxiliary smoke discharging device at least one in the upstream side and downstream of flow direction of exhaust gases by solder joints to exhaustor。
Background technology
Generally, the auxiliary smoke discharging device of such as acoustic filter or catalyst is disposed in the midway of waste pipe。Such auxiliary smoke discharging device is generally of the external shape bigger than exhaustor, but auxiliary smoke discharging device is at the cylindrical tube that the upstream side of flow direction of exhaust gases and downstream are minor diameters, and these narrow tubes are by solder joints to this exhaustor。
Such as Japanese Patent Application No.2002-138826 (JP-A-2002-138826) describes and a kind of is suspended downwards in midair the auxiliary smoke discharging device of support from vehicle body。Equally, the acoustic filter being referred to as rear muffler is disposed in the downstream part in flow direction of exhaust gases of the exhaustor (being called heel row trachea) being positioned on auxiliary smoke discharging device downstream。This acoustic filter is suspended downwards in midair support from vehicle body。
In this gas extraction system, if the joint of auxiliary smoke discharging device and heel row trachea is once separate, then the lower end of heel row trachea is sagging, and if its excessive sag, it is likely on road surface to pull。
About this, utilizing such as in the technology described in Japanese Patent Application No.2001-342830 (JP-A-2001-342830), the narrow tube of auxiliary smoke discharging device is used screw to be attached to exhaustor, and this makes it difficult to separate joint。
JP-A-2001-342830 describes the technology that the joint of a kind of auxiliary smoke discharging device being and exhaustor is more difficult to separate, but although the probability separated is little, but this technology can not be designed to solve joint and separate。Equally, JP-A-2001-342830 needs to form the male thread axle in the narrow tube and exhaustor of auxiliary smoke discharging device and box thread。Accordingly, because grade about machining and installation threaded connection cause cost increase。
Summary of the invention
The invention provides a kind of gas extraction system, comprising: exhaustor, it is installed to electromotor；And auxiliary smoke discharging device, it is arranged in the midway of exhaustor and is fixed to vehicle body, wherein, auxiliary smoke discharging device at least one in the upstream side and downstream of flow direction of exhaust gases is by solder joints to exhaustor, this can by relatively inexpensive mode prevent auxiliary smoke discharging device and exhaustor engage separate unlikely scenario in, auxiliary smoke discharging device or exhaustor is sagging and pulls on road surface。
A first aspect of the present invention relates to a kind of exhaust apparatus, comprising: exhaustor, it is installed to electromotor；And auxiliary smoke discharging device, it is arranged in the midway of exhaustor and is fixed to vehicle body, wherein, auxiliary smoke discharging device at least one in the upstream side and downstream of flow direction of exhaust gases is by solder joints to exhaustor, and the preventing portion that falls is divided at least one being arranged in auxiliary smoke discharging device and the exhaustor that engages with auxiliary smoke discharging device, fall to preventing part to be suspended on auxiliary smoke discharging device by exhaustor when auxiliary smoke discharging device separates with the junction surface of exhaustor。
When providing the preventing portion timesharing of such whereabouts, auxiliary smoke discharging device and exhaustor engage separate unlikely scenario in, even if the abutting end of exhaustor is likely to sagging, the abutting end of exhaustor will be tapped by whereabouts preventing portion。Therefore, although the abutting end of exhaustor is likely to slightly sagging, it by auxiliary smoke discharging device via whereabouts preventing portion sub-support, and will obtain too much thus without sagging。Therefore, even if joint separates in this way, the abutting end of exhaustor will not be in pulling on road surface so that vehicle will travel when going to such as repair shop。
Additionally, fall prevent part to be simply placed on auxiliary smoke discharging device or exhaustor so that the increase of equipment cost can be suppressed, this then make it possible to provide at low cost gas extraction system。
According in the gas extraction system of the present invention, auxiliary smoke discharging device can be suspended in midair regularly from car body。
Equally, in above-mentioned exhaust apparatus, auxiliary smoke discharging device can be joined to heel row trachea in the downstream of flow direction of exhaust gases, heel row trachea is the downstream part of exhaustor, and the vertical upside of the abutting end preventing part can be arranged in heel row trachea that falls, and it is configured to extend towards auxiliary smoke discharging device。
In this case, when the abutting end of heel row trachea is sagging due to the engaging the result separated of auxiliary smoke discharging device and heel row trachea, suspend in midair in the way of the whereabouts being arranged on the abutting end of auxiliary exhaust pipe prevents from partially changing into the upper half of the downstream abutting end to cover auxiliary smoke discharging device。Therefore, although the abutting end of heel row trachea will be slightly sagging, it will not sagging pull too much on road surface。
Equally, in above-mentioned gas extraction system, auxiliary smoke discharging device and heel row trachea can be arranged in arch female in a non-contact manner, and arch female is arranged in the bottom of vehicle body；Fall to preventing the part end section in auxiliary smoke discharging device side can be formed as downwardly open semi-cylindrical shape；And the size of separation being configured between semicylindrical part two ends circumferentially can set that the size of separation between into the inner surface more than the auxiliary smoke discharging device abutting end in the downstream of flow direction of exhaust gases and arch female。
When arranging size in this way, even if the teeter when the joint of auxiliary smoke discharging device with heel row trachea separates of heel row trachea, the whereabouts being arranged in the abutting end place of heel row trachea prevents part from preventing landing between the inner surface of the separate section of its downstream abutting end from auxiliary smoke discharging device and the arch female of vehicle body。
Equally, in above-mentioned gas extraction system, auxiliary smoke discharging device can be joined to heel row trachea in the downstream of flow direction of exhaust gases, and heel row trachea is the downstream part of exhaustor, and fall to preventing part can be arranged in the vertical downside of auxiliary smoke discharging device, and be configured to extend towards heel row trachea。
In this case, when the abutting end of heel row trachea is sagging owing to auxiliary smoke discharging device separates with the joint of heel row trachea, the abutting end of heel row trachea is tapped (that is, receiving) by the whereabouts preventing portion being arranged on auxiliary smoke discharging device。Therefore, even if the abutting end of heel row trachea is slightly sagging, it will not sagging must pull too much on road surface。
Equally, in above-mentioned gas extraction system, auxiliary smoke discharging device and heel row trachea can be arranged in arch female in a non-contact manner, and arch female is arranged in the bottom of vehicle body；Fall and prevent from partly can being formed as at the end section of final vacuum tube side the semi-cylindrical shape of upward opening；And be configured to semicylindrical part one end circumferentially and arch female inner surface closest to the size of separation between the part of one end, and be shaped as the semicylindrical part other end circumferentially and arch female inner surface can set that the diameter dimension into the abutting end less than heel row trachea closest to the size of separation between the part of the other end。
When arranging size in this way, even if the teeter when the joint of auxiliary smoke discharging device with heel row trachea separates of heel row trachea, the whereabouts being arranged in the abutting end place of heel row trachea prevents part from preventing it from preventing the separate section landing between the inner surface of the arch female of part and vehicle body from falling。
Therefore the invention provides a kind of gas extraction system, comprising: exhaustor, it is installed to electromotor；And auxiliary smoke discharging device, it is arranged in the midway of exhaustor and is fixed to vehicle body, wherein, auxiliary smoke discharging device at least one in the upstream side and downstream of flow direction of exhaust gases is by solder joints to exhaustor, this can by relatively inexpensive mode prevent auxiliary smoke discharging device and exhaustor engage separate unlikely scenario in, auxiliary smoke discharging device or exhaustor is sagging and pulls on road surface。
Accompanying drawing explanation
Will describe inventive feature, advantage and technology and industrial significance hereinafter with reference to accompanying drawing, wherein similar accompanying drawing labelling represents similar element, wherein:
Fig. 1 is the side view of the general structure of gas extraction system according to an embodiment of the invention；
Fig. 2 is the enlarged side view of the main portion in Fig. 1；
Fig. 3 shows the axonometric chart that the auxiliary smoke discharging device in Fig. 1 separates with heel row trachea；
Fig. 4 is the sectional view along the cross section obtained of the line IV-IV in Fig. 2；
Fig. 5 is the figure of auxiliary smoke discharging device in fig. 2 and heel row trachea when they separate；
Fig. 6 shows the figure of the shifted laterally of heel row trachea when the auxiliary smoke discharging device in Fig. 4 separates with heel row trachea；
Fig. 7 and Fig. 4 is corresponding, figure according to the gas extraction system of the example embodiment of the present invention；
Fig. 8 is in gas extraction system according to another embodiment of the invention, the auxiliary smoke discharging device of separation and the axonometric chart of heel row trachea；
Fig. 9 is the side view corresponding with Fig. 2 of the gas extraction system of another example embodiment according to the present invention；
Figure 10 is along the sectional view obtained of the line X-X in Fig. 9；
Figure 11 shows the figure that the auxiliary smoke discharging device in Fig. 9 separates with heel row trachea；And
Figure 12 is the figure of the shifted laterally of heel row trachea when the auxiliary smoke discharging device in Figure 10 separates with heel row trachea。
Detailed description of the invention
Hereinafter, it will describe the example embodiment of the present invention with reference to the accompanying drawings。
Fig. 1 to Fig. 6 illustrates first example embodiment of the present invention。Fig. 1 is the figure of electromotor 1 and gas extraction system, and gas extraction system includes front exhaust pipe 2, auxiliary smoke discharging device 3, heel row trachea 4 and rear muffler 5。
In this example embodiment, front exhaust pipe 2 includes unshowned exhaust manifold。Auxiliary smoke discharging device 3 can be acoustic filter or catalyst etc.。Rear muffler 5 is disposed in the lower end in flow direction of exhaust gases of heel row trachea 4。
Equally, auxiliary smoke discharging device 3 has the external shape bigger than front exhaust pipe 2 and heel row trachea 4。In this example embodiment, auxiliary smoke discharging device 3 has elliptical cylinder shape。
Auxiliary smoke discharging device 3 is have narrow tube 3a and 3b of essentially identical diameter with front exhaust pipe 2 and heel row trachea 4 at the upstream side of flow direction of exhaust gases and downstream。Upstream narrow tube 3a by solder joints to front exhaust pipe 2, and downstream narrow tube 3b by solder joints to heel row trachea 4。Front junction surface is represented by accompanying drawing labelling 8a, and rear junction surface is represented by accompanying drawing labelling 8b。
Equally, auxiliary smoke discharging device 3 supports from vehicle body 10 suspention via supporting member 6。Additionally, rear muffler 5 supports from vehicle body 10 suspention via supporting member 7。
These supporting members 6 and 7 are all formed by the elastomer of such as rubber etc.。It is installed to the upper through hole that the hook bar 12 of vehicle body 10 is inserted through in front support member 6, and the hook bar 3c being installed to auxiliary smoke discharging device 3 is inserted through the lower through-hole in front support member 6。It is installed to the upper through hole that the hook bar 13 of vehicle body 10 is inserted through in support member 7, and the hook bar 5a being installed to rear muffler 5 is inserted through the lower through-hole in support member 7。
In this example embodiment, as shown in Figure 4, auxiliary smoke discharging device 3 and heel row trachea 4 are arranged in arch female 11 in a non contact fashion, and arch female 11 is disposed in the bottom of vehicle body 10。
In this gas extraction system, if the junction surface 8b of auxiliary smoke discharging device 3 and heel row trachea 4 is once separate, the abutting end of auxiliary exhaust pipe is likely to sagging, and if its excessive sag, it is likely on road surface to pull。Heel row trachea 4 is not supported by vehicle body 10, and the rear muffler 5 on the end side of flow direction of exhaust gases being simultaneously arranged at heel row trachea 4 is supported by vehicle body 10。Therefore, if rear junction surface 8b separates, heel row trachea 4 will be sagging under the support member 7 of the acoustic filter 5 afterwards state as fulcrum or the strong point。Front exhaust pipe 2 is installed to electromotor 1 so that even if auxiliary smoke discharging device 3 separates with the junction surface 8a of front exhaust pipe 2, front exhaust pipe 2 will not be sagging。
Consider such situation: structure described below is used to prevent the abutting end of heel row trachea 4 sagging。
More specifically, fall to preventing part 15 to be installed to the abutting end of heel row trachea 4。When auxiliary smoke discharging device 3 is little with the rear junction surface 8b of heel row trachea 4 probability separated, this whereabouts prevent part 15 to be so shaped that it hooks the downstream narrow tube 3b of (that is, suspention) auxiliary smoke discharging device 3。That is, fall to preventing part 15 to be disposed in the vertical upside of the abutting end closer to heel row trachea 4, and be shaped as the downstream narrow tube 3b along auxiliary smoke discharging device 3 and extend。
Fall to preventing part 15 from being formed by the board member of the material (such as such as metal or engineering plastics) of the thermostability having had。Fall to preventing the tip portion of part 15 to have downwardly open semi-cylindrical shape。The radius of curvature that the radius of curvature of this semi-cylindrical shaped part 15a is set to than the downstream narrow tube 3b of heel row trachea 4 and auxiliary smoke discharging device 3 is bigger。This whereabouts prevents part 15 to be engaged to the vertical upside of the abutting end closer to heel row trachea 4。
When providing such whereabouts to prevent part 15, when auxiliary smoke discharging device 3 is little with the rear junction surface 8b of heel row trachea 4 probability separated, although heel row trachea 4 will be sagging under the support member 7 of the acoustic filter 5 afterwards state as fulcrum or the strong point, but the whereabouts being arranged on the abutting end of this heel row trachea 4 prevents part 15 from will be hooked (namely in the way of covering the upper half of the downstream narrow tube 3b of auxiliary smoke discharging device 3, it is suspended), as shown in Figure 5。
Therefore, even if the abutting end of heel row trachea 4 will be slightly sagging, it will be hooked (that is, suspention) by auxiliary smoke discharging device 3, and will not be sagging further。Therefore, even if junction surface separates in this way, the abutting end of heel row trachea 4 will not be in pulling on road surface so that vehicle will travel when going to such as repair shop。
As shown in Figure 4, the size of separation L1 between two ends in the circumference of semi-cylindrical shaped part 15a be set in size of separation A1 and B1 between than the inner surface of the arch female 11 of the downstream narrow tube 3b of auxiliary smoke discharging device 3 and vehicle body 10 any one is bigger。
When arranging size in this way, even if heel row trachea 4 teeter while auxiliary smoke discharging device 3 separates with the rear junction surface 8b of heel row trachea 4, as shown in Figure 6, the separate section landing that the whereabouts at the abutting end place of heel row trachea 4 prevents part 15 from being prevented from the downstream narrow tube 3b of auxiliary smoke discharging device 3 with the inner surface of the arch female 11 of vehicle body 10 it is disposed in。
As it has been described above, in this example embodiment, even if when auxiliary smoke discharging device 3 is little with the rear junction surface 8b of heel row trachea 4 probability separated, it is possible to prevent the abutting end of heel row trachea 4 sagging and pull on road surface。Additionally, fall to preventing part 15 from being formed by tabular component so that special part need not be used。Therefore, it can provide gas extraction system with low cost。
The present invention is not limited to above-mentioned example embodiment, but suitably can adjust in scope of the claims and its full scope of equivalents。
In above-mentioned example embodiment, fall to preventing part 15 to be formed as semi-cylindrical shape, but the present invention is not limited to this。
Such as, fall to preventing the shape of part 15 can also be reduced to even shape as shown in Figure 7。In this case, flat whole width size L1 in a lateral direction be also properly set in size of separation A1 and B1 between than the inner surface of the arch female 11 of the downstream narrow tube 3b of auxiliary smoke discharging device 3 and vehicle body 10 any one is bigger, identical with above-mentioned example embodiment。
Equally, falling to preventing part 15 can be mounted to the bending rod shape component of abutting end of heel row trachea 4, wherein this whereabouts prevents the protruding terminus of part 15 to be bent into the downstream narrow tube 3b hooking auxiliary smoke discharging device 3, for instance as shown in Figure 8。
In above-mentioned example embodiment, fall to preventing part 15 to be disposed on heel row trachea 4, but the present invention is not limited to this。Such as, fall to preventing part 15 can be disposed on auxiliary smoke discharging device 3 side, as shown in Fig. 9 to Figure 12。
In this case, fall to preventing part 15 to be disposed on the vertically downside of auxiliary smoke discharging device 3, and be configured to extend towards heel row trachea 4。This whereabouts prevents part 15 from being formed by tabular component, and it is formed as semicylindrical tip portion upward opening。The radius of curvature that the radius of curvature of this semi-cylindrical shaped part 15a is set to than the downstream narrow tube 3b of heel row trachea 4 and auxiliary smoke discharging device 3 is bigger。
When providing such whereabouts to prevent part 15, when auxiliary smoke discharging device 3 is little with the rear junction surface 8b of heel row trachea 4 probability separated, even if heel row trachea 4 will be sagging under the support member 7 of the acoustic filter 5 afterwards state as fulcrum or the strong point, but (namely the abutting end of heel row trachea 4 will be caught by the female of the upward opening falling to preventing part 15, receive), this whereabouts prevents part 15 to be disposed on the downside of auxiliary smoke discharging device 3, such as Figure 11 institute not。
Therefore, even if the abutting end of heel row trachea 4 will be slightly sagging, it will be hooked on the whereabouts being arranged on auxiliary smoke discharging device 3 and prevent in part 15, and will not be sagging further。Therefore, even if junction surface separates in this way, the abutting end of heel row trachea 4 will not be in pulling on road surface so that vehicle will travel when going to such as repair shop。
As shown in Figure 10, if the inner surface of the arch female 11 of semi-cylindrical shaped part 15a one end in a circumferential direction and vehicle body 10 be designated as A2 closest to the size of separation between the part of this one end, the inner surface of the arch female 11 of the semi-cylindrical shaped part 15a other end in a circumferential direction and vehicle body 10 be designated as B2 closest to the size of separation between the part of this other end, and the diameter dimension of the abutting end of heel row trachea 4 is designated as L2, so the relation between them is set to A2 < L2 and B2 < L2。
When arranging size in this way, even if heel row trachea 4 teeter when auxiliary smoke discharging device 3 separates with the rear junction surface 8b of heel row trachea 4, as shown in figure 12, the whereabouts being arranged in the abutting end place of heel row trachea 4 prevents part 15 from preventing it from preventing landing between the inner surface of the arch female 11 of part 15 and vehicle body 10 from whereabouts。
It should be noted that, the whereabouts described in this example embodiment prevents part 15 from can also be smooth or rod shape, it is similar that this prevents part 15 to be installed to during heel row trachea 4 with whereabouts。
Present invention can apply to such gas extraction system, it has mounted to waste pipe and is arranged in the midway of described exhaustor the auxiliary smoke discharging device hung from vehicle body, and wherein auxiliary smoke discharging device at least one in the upstream side and downstream of flow direction of exhaust gases by solder joints to exhaustor。
Claims (4)
1. a gas extraction system, it is characterised in that including:
Exhaustor (2,4), it is installed to electromotor (1)；And
Auxiliary smoke discharging device (3), it is arranged in the midway of described exhaustor (2,4) and is fixed to vehicle body (10),
Wherein, described auxiliary smoke discharging device at least one in the upstream side and downstream of flow direction of exhaust gases is by solder joints to described exhaustor (2,4), and fall to preventing part (15) to be arranged at least one in described auxiliary smoke discharging device (3) and the described exhaustor (2,4) that engages with described auxiliary smoke discharging device, described whereabouts prevents part to be suspended on described auxiliary smoke discharging device (3) by described exhaustor (2,4) when described auxiliary smoke discharging device separates with the junction surface of described exhaustor (8b)
Wherein, described auxiliary smoke discharging device is joined to heel row trachea (4) in the downstream of flow direction of exhaust gases, described heel row trachea is the downstream part of described exhaustor, and described whereabouts prevents partly (15) to be arranged in the vertical upside of the abutting end of described heel row trachea, and it is configured to extend towards described auxiliary smoke discharging device
Wherein, described auxiliary smoke discharging device (3) and described heel row trachea (4) are arranged in arch female in a non-contact manner, and described arch female is arranged in the bottom of described vehicle body；Described whereabouts prevents the part end section in described auxiliary smoke discharging device side to be formed as downwardly open semi-cylindrical shape；And the size of separation (L1) being configured between semicylindrical part (15a) two ends circumferentially is set greater than the size of separation (A1, B1) between the inner surface of the described auxiliary smoke discharging device abutting end in the downstream of flow direction of exhaust gases and described arch female。
2. gas extraction system according to claim 1, wherein, described auxiliary smoke discharging device hangs regularly from described vehicle body。
3. a gas extraction system, it is characterised in that including:
Exhaustor (2,4), it is installed to electromotor (1)；And
Auxiliary smoke discharging device (3), it is arranged in the midway of described exhaustor (2,4) and is fixed to vehicle body (10),
Wherein, described auxiliary smoke discharging device at least one in the upstream side and downstream of flow direction of exhaust gases is by solder joints to described exhaustor (2,4), and fall to preventing part (15) to be arranged at least one in described auxiliary smoke discharging device (3) and the described exhaustor (2,4) that engages with described auxiliary smoke discharging device, described whereabouts prevents part to be suspended on described auxiliary smoke discharging device (3) by described exhaustor (2,4) when described auxiliary smoke discharging device separates with the junction surface of described exhaustor (8b)
Wherein, described auxiliary smoke discharging device (3) is joined to heel row trachea (4) in the downstream of flow direction of exhaust gases, described heel row trachea is the downstream part of described exhaustor, and described whereabouts prevents part (15) to be arranged in the vertical downside of described auxiliary smoke discharging device (3), and is configured to extend towards described heel row trachea (4)。
4. gas extraction system according to claim 3, wherein, described auxiliary smoke discharging device (3) and described heel row trachea (4) are arranged in arch female in a non-contact manner, and described arch female is arranged in the bottom of described vehicle body；Described whereabouts prevents the end section (15a) of part aerofluxus tube side to be in the rear formed as the semi-cylindrical shape of upward opening；And be configured to the inner surface of semicylindrical part (15a) one end circumferentially and described arch female (11) closest described one end part between size of separation (A2), and be configured to the inner surface of semicylindrical part (15a) other end circumferentially and described arch female (11) the closest described other end part between size of separation (B2) be set smaller than the diameter dimension (L2) of abutting end of described heel row trachea。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-260908 | 2010-11-24 | ||
| JP2010260908A JP5158182B2 (en) | 2010-11-24 | 2010-11-24 | Exhaust system |
| PCT/IB2011/002962 WO2012069922A1 (en) | 2010-11-24 | 2011-11-24 | Exhaust system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102869866A CN102869866A (en) | 2013-01-09 |
| CN102869866B true CN102869866B (en) | 2016-06-22 |
Family
ID=45476540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180021910.2A Expired - Fee Related CN102869866B (en) | 2010-11-24 | 2011-11-24 | Gas extraction system |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5158182B2 (en) |
| CN (1) | CN102869866B (en) |
| BR (1) | BR112012031376A2 (en) |
| WO (1) | WO2012069922A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7222311B2 (en) * | 2019-06-04 | 2023-02-15 | 株式会社豊田自動織機 | Fixing structure of piping |
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| CN101144411A (en) * | 2006-09-15 | 2008-03-19 | 丰田自动车株式会社 | Muffler |
| CN101220762A (en) * | 2007-01-09 | 2008-07-16 | 丰田自动车株式会社 | Vehicle exhaust system structure |
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| JPS5571920U (en) * | 1978-11-14 | 1980-05-17 | ||
| JPS6188020U (en) * | 1984-11-15 | 1986-06-09 | ||
| JPH0536018U (en) * | 1991-10-21 | 1993-05-18 | カルソニツク株式会社 | Exhaust system for vehicle |
| DE4211397C1 (en) * | 1992-04-04 | 1993-09-30 | Saar Gummiwerk Gmbh | Elastic suspension for fastening dynamically stressed functional parts |
| JP3094632U (en) * | 2002-12-12 | 2003-07-04 | 有限会社モリワキエンジニアリング | Exhaust system for motorcycle |
| JP2006183625A (en) * | 2004-12-28 | 2006-07-13 | Kanagawa Toyota Motor Sales Co Ltd | Grounding method of exhaust system of vehicle and grounding member |
| JP2008231971A (en) * | 2007-03-19 | 2008-10-02 | Matsu Shou:Kk | Muffler cutter for automobile |
| DE102008017883B4 (en) * | 2008-04-09 | 2018-05-03 | Eberspächer Exhaust Technology GmbH & Co. KG | exhaust system |
-
2010
- 2010-11-24 JP JP2010260908A patent/JP5158182B2/en not_active Expired - Fee Related
-
2011
- 2011-11-24 BR BR112012031376A patent/BR112012031376A2/en not_active Application Discontinuation
- 2011-11-24 CN CN201180021910.2A patent/CN102869866B/en not_active Expired - Fee Related
- 2011-11-24 WO PCT/IB2011/002962 patent/WO2012069922A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001342830A (en) * | 2000-06-05 | 2001-12-14 | Hikkusu:Kk | Exhaust auxiliary device |
| JP2002138826A (en) * | 2000-11-02 | 2002-05-17 | Honda Motor Co Ltd | Supporting structure for vehicular muffler |
| JP2005320907A (en) * | 2004-05-10 | 2005-11-17 | Mazda Motor Corp | Exhaust device for engine |
| CN101144411A (en) * | 2006-09-15 | 2008-03-19 | 丰田自动车株式会社 | Muffler |
| CN101220762A (en) * | 2007-01-09 | 2008-07-16 | 丰田自动车株式会社 | Vehicle exhaust system structure |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112012031376A2 (en) | 2016-11-16 |
| JP2012112279A (en) | 2012-06-14 |
| CN102869866A (en) | 2013-01-09 |
| JP5158182B2 (en) | 2013-03-06 |
| WO2012069922A1 (en) | 2012-05-31 |
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