CN105888801B - Exhaust apparatus for vehicle - Google Patents
Exhaust apparatus for vehicle Download PDFInfo
- Publication number
- CN105888801B CN105888801B CN201610320493.6A CN201610320493A CN105888801B CN 105888801 B CN105888801 B CN 105888801B CN 201610320493 A CN201610320493 A CN 201610320493A CN 105888801 B CN105888801 B CN 105888801B
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- China
- Prior art keywords
- air inlet
- cavity
- gas outlet
- pressure balance
- balance ball
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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
- 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
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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
- F01N13/007—Apparatus used as intake or exhaust silencer
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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
- F01N2490/00—Structure, disposition or shape of gas-chambers
- F01N2490/12—Chambers having variable volumes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a kind of exhaust apparatus, including：Shell, there is the first and second cavitys spaced apart in shell, and shell is equipped with the first air inlet being connected to the first cavity and the first gas outlet, the second air inlet for being connected to the second cavity and the second gas outlet；Pressure balance ball, there is the third and fourth cavity spaced apart in pressure balance ball, part of it is located in the first cavity and is equipped with third air inlet and third gas outlet, third air inlet and third gas outlet are respectively communicated with third cavity, third air inlet is connected to the first air inlet and third gas outlet is connected to the first gas outlet, its another part is located in the second cavity and is equipped with the 4th air inlet and the 4th gas outlet, 4th air inlet and the 4th gas outlet are respectively communicated with the 4th cavity, and the 4th air inlet is connected to the second air inlet and the 4th gas outlet is connected to the second gas outlet；Holder, support pressure balanced ball.The exhaust apparatus of the present invention can effectively reduce the pressure pulse and exhaust velocity of engine exhaust, realize exhaust damping.
Description
Technical field
The present invention relates to automobile technical fields, more particularly, to a kind of exhaust apparatus for vehicle.
Background technology
Available engine is mostly four-stroke engine, and four strokes are suction stroke, compression travel, expansion stroke and row
Gas stroke, in instroke, exhaust valve opens the exhaust gas discharge thus after the Indoor Combustion that will burn.Since each cylinder is one
In a cycle of operation, only it is being vented there are one stroke, and exhaust valve is substantially to close in other three stroke procedures, thus
Each cylinder is periodical exhaust, and this periodically exhaust can cause exhaust pulses, since exhaust is not in whole cycle
Uniformly, therefore exhaust pulsations and exhaust noise are very big, affect the comfort of vehicle.
Invention content
The present invention is directed to solve one of above-mentioned technical problem in the prior art at least to a certain extent.For this purpose, this hair
A bright purpose is to propose that a kind of exhaust apparatus for vehicle, the exhaust apparatus reduce engine row to a certain extent
Gas pulse reduces exhaust velocity and vibrations.
Exhaust apparatus according to the ... of the embodiment of the present invention for vehicle, including：Shell is formed with to each other in the shell
The first cavity and the second cavity separated offers the first air inlet and first being connected to first cavity on the shell
Gas outlet and the second air inlet being connected to second cavity and the second gas outlet；And pressure balance ball, the pressure
It is formed with the third cavity and the 4th cavity being separated from each other in balanced ball, the part of the pressure balance ball is located at described the
Third air inlet and third gas outlet are offered in one cavity and in the part, the third air inlet and the third go out
Gas port is respectively communicated with the third cavity, and the third air inlet is connected to first air inlet and the third gas outlet is connected to
Another part of first gas outlet, the pressure balance ball is located in second cavity and is opened up on described another part
There are the 4th air inlet and the 4th gas outlet, the 4th air inlet and the 4th gas outlet to be respectively communicated with the 4th cavity,
4th air inlet is connected to second air inlet and the 4th gas outlet is connected to second gas outlet；Holder, it is described
Holder is arranged in the shell and for supporting the pressure balance ball, the pressure balance ball can accompany the third air inlet
Mouthful and the air-flow that enters inside the pressure balance ball of the 4th air inlet and roll on the bracket.
To which the exhaust apparatus according to the ... of the embodiment of the present invention for vehicle can effectively reduce the pressure of engine exhaust
Power pulse and exhaust velocity realize exhaust damping.
In addition, the exhaust apparatus according to the ... of the embodiment of the present invention for vehicle can also have following additional technical feature：
According to some embodiments of the present invention, intermediate bulkheads are provided in the shell, the intermediate bulkheads are by the shell
Internal portion is isolated into first cavity and second cavity.
According to some embodiments of the present invention, the holder has the spherical bearing face of indent, the pressure balance ball branch
It holds on the spherical bearing face.
According to some embodiments of the present invention, avoid holes are provided in the intermediate bulkheads, the holder is arranged described
The bottom of avoid holes, the pressure balance ball cooperation is at the avoid holes.
According to some embodiments of the present invention, resilient spacer is provided in the pressure balance ball, the resilient spacer will
The pressure balance ball internal insulation is at the third cavity and the 4th cavity.
According to some embodiments of the present invention, the resilient spacer is arranged to the opposite institute when the pressure balance ball rolls
The position for stating shell remains unchanged.
According to some embodiments of the present invention, pressure balance ball rotational angle limit dress is provided on the resilient spacer
It sets.
According to some embodiments of the present invention, two the first sides relative to each other of the pressure balance ball and the shell
Wall and second sidewall fit, and first air inlet and second air inlet are located on third side wall, first outlet
Mouth and second gas outlet are located on the 4th side wall, and the third side wall and the 4th side wall are relative to each other and each
It is a adjacent with the first side wall and second sidewall.
According to some embodiments of the present invention, exhaust apparatus further includes：Turbine is arranged, and the turbine row is separately positioned on described
In first cavity and second cavity and positioned at first air inlet and the third air inlet and second air inlet
Between mouth and the 4th air inlet.
According to some embodiments of the present invention, the turbine row includes：Frame shares shaft and multiple turbines, the frame
Frame is arranged in the shell, and on said frame, the multiple turbine is placed coaxially on described for the shared shaft setting
It shares in shaft and along the axially spaced from each other of the shared shaft.
Description of the drawings
Fig. 1 is the schematic diagram that exhaust apparatus according to the ... of the embodiment of the present invention is applied to exhaust system；
Fig. 2 is the schematic diagram of exhaust apparatus according to the ... of the embodiment of the present invention；
Fig. 3 is the schematic diagram of turbine row.
Reference numeral：
Exhaust apparatus 100；
First cavity 1, the first upper cavity 11, the first lower chamber 12；Second cavity 2, the second upper cavity 21, the second lower chamber
22；Third cavity 3；4th cavity 4；Pressure balance ball 5, resilient spacer 51, holder 52；Turbine row 6, turbine 61 share shaft
62, frame 63；
First air inlet 101a, the second air inlet 102a, third air inlet 103a, the 4th air inlet 104b；First outlet
Mouth 101b, the second gas outlet 102b, third gas outlet 103b, the 4th gas outlet 104b；
Shell 200, the first side wall 201, second sidewall 202, third side wall 203, the 4th side wall 204；
Exhaust manifold 301,302,303,304, common exhaust manifold 305,306；
Tailpipe 402, catalyst converter 402.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with spy
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be to be electrically connected or can communicate with one another；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Exhaust apparatus 100 according to the ... of the embodiment of the present invention is described in detail below in conjunction with the accompanying drawings, which can answer
In the exhaust system of vehicle, and it is attached to the downstream side of exhaust manifold 301,302,303,304.
Exhaust apparatus 100 according to the ... of the embodiment of the present invention for vehicle may include shell 200,5 and of pressure balance ball
Holder 52.
With reference to shown in Fig. 2, the first cavity 1 and the second cavity 2 being separated from each other, the first cavity 1 are formed in shell 200
It is cavity body structure independent of each other with the second cavity 2, and is airtightly spaced apart.As shown in Fig. 2, offered on shell 200 with
The the first air inlet 101a and the first gas outlet 101b of first cavity 1 connection.It is further opened on shell 200 and connects with the second cavity 2
Logical the second air inlet 102a and the second gas outlet 102b, wherein the first air inlet 101a and the second air inlet 102a can be connected
Exhaust manifold, the first gas outlet 101b and the second gas outlet 102b can connect tailpipe 401, can be on tailpipe 401
It is provided with catalyst converter 402.
As an alternative embodiment, by taking four as an example, the ignition order of the four can
Be the 1243 or 1342, and first cylinder and the 4th cylinder exhaust manifold 301,304 end can be merged into one it is total
Common exhaust manifold 305, it is total that the end of the exhaust manifold 302,303 of the second cylinder and the 4th cylinder can be merged into another
Common exhaust manifold 306, two common exhaust manifolds 305,306 can be separately connected the first air inlet 101a and second into
Gas port 102a.
With reference to figure 2, the third cavity 3 and the 4th cavity 4 being separated from each other, third cavity 3 are formed in pressure balance ball 5
It is also relatively independent cavity body structure with the 4th cavity 4, and is airtightly spaced apart.
A part (for example, left-half) for pressure balance ball 5 is located in the first cavity 1 and offers the in the part
Three air inlet 103a and third gas outlet 103b, third air inlet 103a and third gas outlet 103b are respectively communicated with third cavity 3,
And third air inlet 103a is also connected to the first air inlet 101a, and third gas outlet 103b is also connected to the first gas outlet 101b.
In this way, entering the exhaust in the first cavity 1 from the first air inlet 101a, can be entered by third air inlet 103a
It is discharged to inside third cavity 3, then from third gas outlet 103b, finally shell is discharged from the first gas outlet 101b in the exhaust gas of discharge
200。
Another part (for example, right half part) of pressure balance ball 5 is located in the second cavity 2 and is opened up on the another part
There are the 4th air inlet 104a and the 4th gas outlet 104b, the 4th air inlet 104a and the 4th gas outlet 104b to be respectively communicated with the 4th chamber
Body 4, and the 4th air inlet 104a is also connected to the second air inlet 102a, and the 4th gas outlet 104b is also connected to the second gas outlet
102b。
In this way, entering the exhaust in the second cavity 2 from the second air inlet 102a, can be entered by the 4th air inlet 104a
It is discharged to inside the 4th cavity 4, then from the 4th gas outlet 104b, finally shell is discharged from the second gas outlet 102b in the exhaust gas of discharge
200。
With reference to shown in Fig. 2, the setting of holder 52 is in shell 200 and is used for support pressure balanced ball 5, and pressure balance ball 5 can
Retinue third air inlet 103a and the 4th air inlet 104a enters the gas of third cavity 3 and the 4th cavity 4 in pressure balance ball 5
It flows and is rolled on holder 52.
The first cavity 1 and are had respectively entered by the first air inlet 101a and the second air inlet 102a in engine exhaust
When in two cavitys 2, since engine exhaust belongs to pulse type gas exhausting, the pressure in the first cavity 1 and the second cavity 2 may
There can be a pressure difference, and the exhaust in the first cavity 1 can enter in third cavity 3 simultaneously the by third air inlet 103a
Exhaust in two cavitys 2 can be entered by the 4th air inlet 104a in the 4th cavity 4, so that in pressure balance ball 5
Third cavity 3 and the 4th cavity 4 are also likely to be present pressure difference.
There are pressure difference, pressure balance ball 5 will roll under the action of pressure difference on holder 52,
Exhaust energy can be consumed in 5 rolling process of pressure balance ball, reduced exhaust flowing velocity, reduced exhaust pulsations, that is to say, that is logical
The rolling of excess pressure balanced ball 5 consumes portion discharge energy.
To which the exhaust apparatus 100 according to the ... of the embodiment of the present invention for vehicle can effectively reduce engine exhaust
Pressure pulse and exhaust velocity realize exhaust damping.
With reference to shown in Fig. 2, intermediate bulkheads 205 are provided in shell 200, which is used for will be inside shell 200
It is isolated into the first cavity 1 and the second cavity 2, intermediate bulkheads 205 can be vertically arranged in Fig. 2, and by intermediate bulkheads 205
The volume of first cavity 1 and the second cavity 2 made of isolation can be equal.Intermediate bulkheads 205 can be the one of shell 200
Part, that is to say, that intermediate bulkheads 205 can be integrally formed with shell 200.Certainly, intermediate bulkheads 205 and shell 200
It can also be split structure, and can be fixed by welding, screw connection manner.
First cavity 1 and the second cavity 2 made of being isolated by intermediate bulkheads 205 pass through the first cavity 1 and second in exhaust
During cavity 2, the air-flow of both sides will produce resonance, interfere with each other each other, to reduce exhaust pulsations pulse.
With reference to shown in Fig. 2, holder 52 has the spherical bearing face of indent, and the spherical bearing face of the indent can be located at holder
52 upper surface, wherein pressure balance ball 5 are supported on the spherical bearing face.
Further, avoid holes can be provided in intermediate bulkheads 205, holder 52 is arranged in the bottom of avoid holes, and pressure is flat
The cooperation of ball 5 weigh at avoid holes, avoid holes can be substantial circular hole, substantially airtightly coordinate with pressure balance ball 5, and
Both sides the first cavity 1 and the second cavity 2 is kept airtightly to separate in 5 rotation process of pressure balance ball.
In some embodiments, it is provided with resilient spacer 51 in pressure balance ball 5, resilient spacer 51 is by pressure balance ball 5
Internal insulation can be mild steel piece diaphragm at 3 and the 4th cavity 4 of above-mentioned third cavity, resilient spacer 51, can equal pressure
Weighing apparatus ball 5 is separated into identical 3 and the 4th cavity 4 of third cavity of volume.
As an alternative embodiment, resilient spacer 51 is arranged to the opposite shell 200 when pressure balance ball 5 rolls
Position remain unchanged.In other words, when pressure balance ball 5 rolls on holder 52, resilient spacer 51 is fixed.It is right
In keep 51 fixed mode of resilient spacer can there are many, will be briefly described below with one of example.
For example, shaft hole can be offered on pressure balance ball 5, during resilient spacer 51 can be fixedly connected on by shaft
In spaced walls 205, shaft is worn in shaft hole, and such pressure balance ball 5 can be swung on holder 52 around shaft,
And shaft, due to being fixedly connected with intermediate bulkheads 205 and resilient spacer 51, intermediate bulkheads 205 are fixed with 200 inner wall of shell again, because
This shell 200, intermediate bulkheads 205, shaft and resilient spacer 51 be all relatively fixed it is motionless, from regardless of pressure balance ball
How 5 rotate, and resilient spacer 51 is motionless always.
The third cavity 3 inside pressure balance ball 5 and the 4th cavity 4 can be protected during pressure balance ball 5 rotates as a result,
Constancy of volume is held, can be reduced in this way during pressure balance ball 5 rotates since the volume of third cavity 3 and the 4th cavity 4 occurs
Change and reduces exhaust shock dropping effect.
In a further embodiment, pressure balance ball rotational angle limiting device can be provided on resilient spacer 51, it should
Pressure balance ball rotational angle limiting device causes pressure balance ball 5 to lose for preventing 5 rotational angle of pressure balance ball excessive
Effect ensures 5 reliably working of pressure balance ball.
As shown in Fig. 2, shell 200 can be formed as rectangular housing 200, which may include being oppositely arranged
The first side wall 201 (left side wall) and second sidewall 202 (right side wall) and third side wall 203 (roof) and the 4th side wall 204
(bottom wall), third side wall 203 can be located at top and be connected respectively with the upper end of the first side wall 201 and second sidewall 202, and the 4th
Side wall 204 can be located at bottom and be connected respectively with the lower end of the first side wall 201 and second sidewall 202, i.e. 203 He of third side wall
Each in 4th side wall 204 is adjacent with the first side wall 201 and second sidewall 202.
Wherein pressure balance ball 5 can be bonded with the first side wall 201 and second sidewall 202 respectively, it is preferable that pressure balance ball
5 is tangent with the first side wall 201 and second sidewall 202.Further the first cavity 1 is isolated on upper first for pressure balance ball 5 as a result,
Cavity 11 and the first lower chamber 12, the first upper cavity 11 is connected with the first air inlet 101a and third air inlet 103a, under first
Cavity 12 is connected with the first gas outlet 101b and third gas outlet 103b.The second cavity 2 is also separated by pressure balance ball 5 simultaneously
Second upper cavity 21 and the second lower chamber 22, the second upper cavity 21 are connected with the second air inlet 102a and the 4th air inlet 104a,
Second lower chamber 22 is connected with the second gas outlet 102b and the 4th gas outlet 104b.In this way, can make from the first air inlet and
Third air inlet enters the first cavity and the exhaust of the second cavity enters more by third air inlet and the 4th air inlet
Into pressure balance ball, pressure balance ball is pushed to roll using exhaust airstream and pressure difference, to consume exhaust energy, the row of reduction
Gas velocity degree, vibrations and pressure.
With reference to shown in Fig. 2, the first air inlet 101a and the second air inlet 102a can be located on third side wall 203 and left and right
It is spaced apart, the first gas outlet 101b and the second gas outlet 102b can be located on the 4th side wall 204 and left and right and be spaced apart.
In some embodiments, as shown in Figures 2 and 3, exhaust apparatus 100 further includes turbine row 6, and turbine row 6 sets respectively
It sets in the first cavity 1 and the second cavity 2 and is located at the first air inlet 101a and third air inlet 103a and the second air inlet
Between 102a and the 4th air inlet 104a.Engine exhaust speed and pressure can be effectively reduced by the way that turbine row 6 is arranged, is coordinated
Pressure balance ball 5 uses, and can reduce exhaust velocity and pressure at expulsion to the maximum extent, and turbine row 6 is in upstream side, pressure
Balanced ball 5 is in downstream side, so as to form secondary exhaust reduction of speed, decompression, shock dropping effect.
As shown in figure 3, turbine row 6 may include frame 63, share shaft 62 and multiple turbines 61, frame 63 is arranged in shell
In body 200, it can be fixed on such as frame 63 on the internal face of shell 200.It shares shaft 62 to be arranged on frame 63, multiple turbines
61 are placed coaxially in shared shaft 62 and along the axially spaced from each other of shared shaft 62.Since exhaust apparatus 100 is cloth
It sets on engine exhaust system, arrangement space is limited, and the present invention uses 61 juxtaposition of multiple turbines, therefore each whirlpool
The volume of wheel 61 greatly reduces, which can be understood as the smaller small turbine 61 of diameter, compared to single major diameter turbine
Speech, it is smaller to the exhaust resistance of exhaust system using multiple small turbines 61, and also the rotational noise that small turbine 61 generates is small, to drop
The noise of low exhaust system, which has, to be obviously improved.
To sum up, the exhaust apparatus 100 according to the ... of the embodiment of the present invention for vehicle can make engine using turbine row 6
Exhaust carries out constant entropy cooling expansion work, so that the part interior energy of engine exhaust is converted to kinetic energy, while using pressure
Balanced ball 5 can adjust the pressure balance being vented in the cavity of left and right two, and when exhaust pulses occur, pressure balance ball 5 can be certainly
Trend pressure is lower to be rolled on one side, and rolling process is realized to the reduction of speed of exhaust, shock dropping, reduction regulation, and two chambers in left and right
The gas flowed in vivo interferes with each other each other since the separation of intermediate bulkheads 205 also will produce resonance, the vibrations to be vented
Pulse further decreases.
In addition, the resistance of exhaust system will not be excessively increased in the exhaust apparatus 100 of the present invention, exhaust is flowed in exhaust system
It is dynamic still very smooth, keep residual gas in cylinder less, thus more combustion mixtures can be sucked in cylinder, Neng Gouti
The efficiency of combustion of high engine and torque.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
What can be combined in any suitable manner in one or more embodiments or example.In addition, those skilled in the art can say this
Different embodiments or examples described in bright book are engaged and are combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of exhaust apparatus for vehicle, which is characterized in that including：
Shell is formed with the first cavity and the second cavity being separated from each other in the shell, is offered on the shell and institute
State the first air inlet and the first gas outlet and the second air inlet for being connected to second cavity and the of the connection of the first cavity
Two gas outlets；And
Pressure balance ball is formed with the third cavity and the 4th cavity being separated from each other, the pressure in the pressure balance ball
A part for balanced ball is located in first cavity and offers third air inlet and third gas outlet, institute in the part
State third air inlet and the third gas outlet be respectively communicated with the third cavity, the third air inlet connection described first into
Gas port and the third gas outlet are connected to first gas outlet, and another part of the pressure balance ball is located at second chamber
The 4th air inlet and the 4th gas outlet, the 4th air inlet and the 4th outlet are offered on internal and described another part
Mouth is respectively communicated with the 4th cavity, and the 4th air inlet is connected to second air inlet and the 4th gas outlet is connected to institute
State the second gas outlet；
Holder, the holder are arranged in the shell and for supporting the pressure balance ball, and the pressure balance ball can be with
Enter the air-flow inside the pressure balance ball from the third air inlet and the 4th air inlet and on the bracket
It rolls.
2. the exhaust apparatus according to claim 1 for vehicle, which is characterized in that be provided with middle interval in the shell
The enclosure interior is isolated into first cavity and second cavity by wall, the intermediate bulkheads.
3. the exhaust apparatus according to claim 2 for vehicle, which is characterized in that the holder has the spherical shape of indent
Bearing surface, the pressure balance Ball support is on the spherical bearing face.
4. the exhaust apparatus according to claim 3 for vehicle, which is characterized in that be provided with and keep away in the intermediate bulkheads
Hole, the holder is allowed to be arranged in the bottom of the avoid holes, the pressure balance ball cooperation is at the avoid holes.
5. the exhaust apparatus according to claim 1 for vehicle, which is characterized in that be provided in the pressure balance ball
Resilient spacer, the resilient spacer is by the pressure balance ball internal insulation at the third cavity and the 4th cavity.
6. the exhaust apparatus according to claim 5 for vehicle, which is characterized in that the resilient spacer is arranged in institute
The position for stating relatively described shell when pressure balance ball rolls remains unchanged.
7. the exhaust apparatus according to claim 5 for vehicle, which is characterized in that be provided with pressure on the resilient spacer
Dynamic balance ball rotational angle limiting device.
8. the exhaust apparatus according to claim 1 for vehicle, which is characterized in that the pressure balance ball and the shell
Two the first side walls and second sidewall relative to each other of body fit, and first air inlet and second air inlet are located at
On third side wall, first gas outlet and second gas outlet are located on the 4th side wall, the third side wall and described
Four side walls are relative to each other and each is adjacent with the first side wall and second sidewall.
9. the exhaust apparatus according to claim 1 for vehicle, which is characterized in that further include：Turbine is arranged, the turbine
Row is separately positioned in first cavity and second cavity and positioned at first air inlet and the third air inlet
And between second air inlet and the 4th air inlet.
10. the exhaust apparatus according to claim 9 for vehicle, which is characterized in that the turbine, which is arranged, includes：Frame,
Shaft and multiple turbines are shared, the frame is arranged in the shell, and the shared shaft setting is on said frame, described
Multiple turbines are placed coaxially in the shared shaft and along the axially spaced from each other of the shared shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610320493.6A CN105888801B (en) | 2016-05-16 | 2016-05-16 | Exhaust apparatus for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610320493.6A CN105888801B (en) | 2016-05-16 | 2016-05-16 | Exhaust apparatus for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105888801A CN105888801A (en) | 2016-08-24 |
| CN105888801B true CN105888801B (en) | 2018-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610320493.6A Active CN105888801B (en) | 2016-05-16 | 2016-05-16 | Exhaust apparatus for vehicle |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4790409A (en) * | 1987-05-14 | 1988-12-13 | Tenneco, Inc. | Muffler with reverse flow passages |
| US5670757A (en) * | 1996-11-27 | 1997-09-23 | Harco Manufacturing Company | Exhaust silencer for engines and generators |
| FR2874233A1 (en) * | 2004-08-16 | 2006-02-17 | Pauline Blain | Sound wave attenuation system for e.g. heat engine, has semi-sphere diffusing gas/sound or air/sound mixture, where sound waves contained in gas or air reflects inside another semi-sphere for rising in counter-direction of mixture in space |
| CN100424325C (en) * | 2006-10-30 | 2008-10-08 | 常州风特安泵业有限公司 | Silencer |
| CN201074537Y (en) * | 2007-09-24 | 2008-06-18 | 蒲伟 | Silencer |
| CN201221392Y (en) * | 2008-06-27 | 2009-04-15 | 王鹏程 | Noise purifying apparatus for internal combustion engine |
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2016
- 2016-05-16 CN CN201610320493.6A patent/CN105888801B/en active Active
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| CN105888801A (en) | 2016-08-24 |
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