CN108167065A - A kind of exhaust system of multicylinder engine - Google Patents
A kind of exhaust system of multicylinder engine Download PDFInfo
- Publication number
- CN108167065A CN108167065A CN201711429374.5A CN201711429374A CN108167065A CN 108167065 A CN108167065 A CN 108167065A CN 201711429374 A CN201711429374 A CN 201711429374A CN 108167065 A CN108167065 A CN 108167065A
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- Prior art keywords
- exhaust
- multicylinder engine
- exhaust system
- valve body
- gas exhaust
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
-
- 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
- F01N13/08—Other arrangements or adaptations of exhaust conduits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
This application discloses a kind of exhaust systems of multicylinder engine, including multicylinder engine and turbine, further include：Multiple gas exhaust pipings, each gas exhaust piping cylinder non-adjacent with one or more of multicylinder engine connect, and the quantity of gas exhaust piping is less than or equal to the quantity of cylinder, and gas exhaust piping is connected with turbine；Multi-way control valve has the exhaust passage identical with the quantity of gas exhaust piping, and exhaust passage is interconnected each other, and exhaust passage is connected or simultaneously switched off simultaneously correspondingly with the gas exhaust piping.Exhaust system in the application can be switched to suitable constant pressure exhaust system or pulse exhaust system according to engine operating condition, effectively increase the exhaust utilization rate of exhaust system, improve the dynamic property and economy of engine, and when switching to pulse exhaust system, since gas exhaust piping is connected with multiple non-adjacent cylinders, exhaust interference can be effectively reduced, improves pulse utilization rate.
Description
Technical field
The present invention relates to technical field of engines, more particularly to a kind of exhaust system of multicylinder engine.
Background technology
Multicylinder engine includes multiple cylinders, and to be always engine set the arrangement form of the exhaust system of multicylinder engine
The difficult point of meter, due to fire angle, exhaust pulses are easily interfered, and cause exhaust utilization rate relatively low.
There are mainly two types of the exhaust systems of existing multicylinder engine, and one kind is constant pressure exhaust system, and engine is owned
In the exhaust gas collection of cylinder to the sufficiently large exhaust pipe of a volume, it is then re-introduced into turbine；Another kind is pulse exhaust system
System, it is using two or more exhaust branch pipes that the exhaust of adjacent ignition cylinder is mutual according to the firing order of engine and interval
It separates, turbine is respectively enterd after reconfiguring.But there is air inflow under low speed and load operating mode in constant pressure exhaust system
Smaller the problem of can not meeting dynamic property and cost-effectiveness requirement, and pulse exhaust system is under high-speed high-load operating mode, exhaust pump
Gas loss is bigger than normal.
In conclusion how to solve the problems, such as that the exhaust utilization rate of the exhaust system of multicylinder engine is relatively low, become ability
Field technique personnel's urgent problem to be solved.
Invention content
In view of this, the purpose of the present invention is to provide a kind of exhaust system of multicylinder engine, to improve exhaust system
Exhaust utilization rate.
In order to achieve the above objectives, the present invention provides following technical scheme：
A kind of exhaust system of multicylinder engine, including multicylinder engine and turbine, further includes：
Multiple gas exhaust pipings, each gas exhaust piping are non-adjacent with one or more of the multicylinder engine
Cylinder connects, and the quantity of the gas exhaust piping is less than or equal to the quantity of the cylinder, the gas exhaust piping with the turbine
Machine connects；
Multi-way control valve has the exhaust passage identical with the quantity of the gas exhaust piping, and the exhaust passage is each other
Between be interconnected, the exhaust passage is connected or is simultaneously switched off simultaneously correspondingly with the gas exhaust piping.
Preferably, in the exhaust system of above-mentioned multicylinder engine, the turbine is multichannel turbine, described more
Access turbine includes multiple air inlets connected with gas exhaust piping one-to-one correspondence.
Preferably, in the exhaust system of above-mentioned multicylinder engine, the quantity of the cylinder of the multicylinder engine is at least
It is three, the quantity at least two of the gas exhaust piping.
Preferably, in the exhaust system of above-mentioned multicylinder engine, the Multi-way control valve includes：
Valve body is provided with the connector to connect one to one with the gas exhaust piping on the periphery of the valve body；
Rotary spool is rotationally connected in the valve body, and the interconnected exhaust is provided on the rotary spool
Channel, and the arrangement angle between angle and the connector is identical for arranging between the import of the exhaust passage, leads to
It crosses the rotary spool and realizes that the exhaust passage is docked and connected or misplaces one by one with the connector relative to valve body rotation
It disconnects；
Driving device is connect with the rotary spool and the valve body, for driving the relatively described valve of the rotary spool
Body rotates.
Preferably, in the exhaust system of above-mentioned multicylinder engine, the driving device includes：
Gear is fixed on the rotation center of the rotary spool；
Rack is engaged with the gear；
Rack drives component is fixed on the valve body, and is connect with the rack drives.
Preferably, in the exhaust system of above-mentioned multicylinder engine, the rack drives component includes：
Solenoid valve is fixed on the valve body, attracts the rack movement for being powered；
Draw springs, one end of the rack are connect with the draw springs；
Elastic component pedestal is fixed on the valve body, and the draw springs are fixed on the elastic component pedestal.
Preferably, in the exhaust system of above-mentioned multicylinder engine, the draw springs are spring.
Preferably, in the exhaust system of above-mentioned multicylinder engine, the gear is threadingly attached to the rotation
On spool.
Preferably, in the exhaust system of above-mentioned multicylinder engine, the connector is evenly arranged in the valve body
On periphery.
Preferably, in the exhaust system of above-mentioned multicylinder engine, the driving device is electro-motor or hydraulic pressure horse
It reaches, the output shaft of the electro-motor or hydraulic motor and the rotation center of the rotary spool are drivingly connected.
Compared with prior art, the beneficial effects of the invention are as follows：
The exhaust system of multicylinder engine provided by the invention sets multiple gas exhaust pipings and Multi-way control valve, Mei Gepai
Air pipe cylinder non-adjacent with one or more of multicylinder engine simultaneously connects, and the quantity of gas exhaust piping is less than or waits
In the quantity of cylinder, gas exhaust piping is connected with turbine；Multi-way control valve has the row identical with the quantity of gas exhaust piping
Gas channel, exhaust passage are interconnected each other, and exhaust passage is connected or broken simultaneously with gas exhaust piping simultaneously correspondingly
It opens.
During work, when Multi-way control valve, which switches to exhaust passage, to be connected simultaneously with gas exhaust piping one-to-one correspondence, own
Gas exhaust piping communicate with each other, then the exhaust gas of all cylinders of engine collects backward turbine by these gas exhaust pipings and is passed through
Exhaust gas, at this point, exhaust system becomes constant pressure exhaust system；When Multi-way control valve switches to exhaust passage while and gas exhaust piping
During disconnection, disjunction is independent between all gas exhaust pipings, and each gas exhaust piping successively will according to the firing order of engine
Exhaust gas in the non-adjacent cylinder of one or more in communication is individually arranged to turbine, at this point, exhaust system becomes pulse
Exhaust system.
As it can be seen that the exhaust system in the application can be switched to suitable constant pressure exhaust system or arteries and veins according to engine operating condition
Exhaust system is rushed, effectively increases the exhaust utilization rate of exhaust system, improves the dynamic property and economy of engine, and is being cut
When shifting to pulse exhaust system, since gas exhaust piping is connected with multiple non-adjacent cylinders, exhaust interference can be effectively reduced, is carried
High impulse utilization rate.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structure diagram of the exhaust system of multicylinder engine provided in an embodiment of the present invention；
Fig. 2 is a kind of structure diagram of the turbine of the exhaust system of multicylinder engine provided in an embodiment of the present invention；
Fig. 3 is in for a kind of Multi-way control valve of the exhaust system of multicylinder engine provided in an embodiment of the present invention and opens
Structure diagram during state；
Fig. 4 is in for a kind of Multi-way control valve of the exhaust system of multicylinder engine provided in an embodiment of the present invention and closes
Structure diagram during state；
Fig. 5 is a kind of structure diagram of the rotary spool of Multi-way control valve provided in an embodiment of the present invention.
Wherein, 1 it is multicylinder engine, 2 be cylinder, 3 be gas exhaust piping, 4 be turbine, 41 is air inlet, 5 to calm the anger
Machine, 6 be Multi-way control valve, 61 be valve body, 611 be connector, 62 be rotary spool, 621 be exhaust passage, 63 be driving dress
It puts, 631 be elastic component pedestal, 632 be draw springs, 633 be gear, 634 be rack, 635 be solenoid valve.
Specific embodiment
There is provided a kind of exhaust system of multicylinder engine, the exhaust for improving exhaust system utilizes the core of the present invention
Rate.
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1, an embodiment of the present invention provides a kind of exhaust systems of multicylinder engine, hereinafter referred to as exhaust system
System, including multicylinder engine 1, turbine 4, multiple gas exhaust pipings 3 and Multi-way control valve 6, wherein, multicylinder engine 1 wraps
Include multiple cylinders 2, turbine 4 and two components that compressor 5 is booster, each gas exhaust piping 3 in multicylinder engine 1
A cylinder 2 or multiple non-adjacent cylinders 2 connect, the quantity of gas exhaust piping 3 is less than or equal to the quantity of cylinder 2, exhaust
Pipeline 3 is connected with turbine 4；Multi-way control valve 6 has multiple exhaust passages 621, and the quantity of exhaust passage 621 and row
The quantity of air pipe 3 is identical, and all exhaust passages 621 are interconnected each other, exhaust passage 621 and gas exhaust piping 3 one
One accordingly connects or simultaneously switches off simultaneously, i.e., there are two states for Multi-way control valve, and a kind of state is all exhaust passages
621 connect simultaneously with all one-to-one correspondence of gas exhaust piping 3, at this point, all gas exhaust pipings 3 are interconnected each other, separately
A kind of state is that all exhaust passages 621 disconnect simultaneously with all gas exhaust pipings 3, at this point, all gas exhaust pipings 3 are each other
Between do not connect independently of each other.
The operation principle and the course of work of the exhaust system are as follows：During work, when Multi-way control valve 6 switches to all rows
When gas channel 621 connects simultaneously with all gas exhaust pipings 3 one-to-one correspondence, all gas exhaust pipings 3 connect each other, then send out
The exhaust gas of all cylinders 2 of motivation collects backward turbine 4 by these gas exhaust pipings 3 and is passed through exhaust gas, at this point, exhaust system
As constant pressure exhaust system；It is disconnected simultaneously with all gas exhaust pipings 3 when Multi-way control valve 6 switches to all exhaust passages 621
When, disjunction is independent each other for all gas exhaust pipings 3, and each gas exhaust piping 3 successively will be with according to the firing order of engine
Connection the non-adjacent cylinders 2 of one or more in exhaust gas individually arrange to turbine 4, at this point, exhaust system becomes pulse
Exhaust system.As it can be seen that the exhaust system in the application can be switched to according to engine operating condition suitable constant pressure exhaust system or
Pulse exhaust system effectively increases the exhaust utilization rate of exhaust system, improves the dynamic property and economy of engine, and
When switching to pulse exhaust system, since gas exhaust piping is connected with multiple non-adjacent cylinders, exhaust interference can be effectively reduced,
Improve pulse utilization rate.
As shown in Fig. 2, optimized to turbine, in the present embodiment, turbine 4 is multichannel turbine, multichannel
Turbine includes multiple air inlets 41 connected with the one-to-one correspondence of gas exhaust piping 3, i.e. multichannel turbine itself is integrated with multiple
Air inlet 41, each air inlet 41 are correspondingly connected with a gas exhaust piping 3, the direct branch of the exhaust gas in gas exhaust piping 3 individually into
Enter in multichannel turbine, interfering with each other for each cylinder exhaust can be effectively reduced.Certainly, turbine 4 can also be single channel whirlpool
There are one air inlet 41, multiple gas exhaust pipings 3 are connected with the air inlet 41 for turbine, i.e. 4, turbine.
In the present embodiment, the quantity of the cylinder 2 of multicylinder engine 1 is at least three, and the quantity of gas exhaust piping 3 is at least
Two.As depicted in figs. 1 and 2, it is illustrated by taking in-line five as an example, in-line five, which has, to be arranged in a linear
Five cylinders 2 of arrangement, correspondingly, the quantity of gas exhaust piping 3 is preferably three, wherein, the first gas of in-line five
The exhaust gas of cylinder and the 4th cylinder enters in a gas exhaust piping 3, and the exhaust gas of the second cylinder and third cylinder is vented into another
In pipeline 3, the exhaust gas of third cylinder is individually entered in third gas exhaust piping 3, so as to by three gas exhaust pipings 3 by array five
Five cylinders 2 grouping connection of Cylinder engine, it is one group that non-conterminous at least two cylinder 2, which divides, so as to avoid what is be mutually vented
It influences.Certainly, in-line five can also use 2 block form of other cylinders, such as the first cylinder and third cylinder point
It it is one group, the second cylinder and the 4th cylinder are divided into one group, and the forms such as the 5th independent one group of cylinder or in-line five lead to
Two or four gas exhaust piping 3 is crossed to be grouped cylinder 2.It is not limited to the form cited by the present embodiment.For other
Multicylinder engine selects appropriate number of gas exhaust piping 3 and suitable cylinder block form according to actual conditions.
As shown in Figure 3 and Figure 4, a kind of specific Multi-way control valve 6 is present embodiments provided, including valve body 61, rotation
Rotary plate 62 and driving device 63；Wherein, valve body 61 is hollow cylindrical structure, is provided with and is vented on the periphery of valve body 61
The connector 611 that pipeline 3 connects one to one, the i.e. quantity of connector 611 are equal with the quantity of gas exhaust piping 3；Rotary spool
62 are rotationally connected in valve body 61, are provided with interconnected exhaust passage 621 on rotary spool 62, exhaust passage 621 into
Mouth is located on the periphery of rotary spool 62, these exhaust passages 621 are preferably radially disposed in rotary spool 62, and
The arrangement angle between arrangement angle and connector 611 between the import of exhaust passage 621 is identical, passes through rotary spool
62 rotate relative to valve body 61 and realize that import and the connector 611 of exhaust passage 621 are docked and connected or misplace one by one disconnection.Due to row
The arrangement angle between arrangement angle and connector 611 between the import of gas channel 621 is identical, therefore, rotary spool
62 with the relative position relation of valve body 61 there are two types of, a kind of is the import of the exhaust passage 621 on rotary spool 62 and valve body 61
Connector 611 correspond connection, another kind be the connector 611 of import and the valve body 61 of exhaust passage 621 mutually
It is staggered and does not connect；Driving device 63 is connect with rotary spool 62 and valve body 61, for rotary spool 62 to be driven to be revolved with respect to valve body 61
Turn, realize the switching of the working condition of exhaust system.
Use the specific work process of the exhaust system of the Multi-way control valve 6 for：When driving device 63 drives rotary valve
Core 62 rotates to the import of exhaust passage 621 with respect to valve body 61 and connector 611 is corresponded when connecting, each exhaust passage
621 connect with each gas exhaust piping 3 one-to-one correspondence, due to communicating with each other between exhaust passage 621, multiple gas exhaust pipings 3
It communicates with each other, the exhaust gas of all cylinders 2 of multicylinder engine 1 is pooled together by these gas exhaust pipings 3, is finally arranged to whirlpool
Turbine 4, exhaust system are switched to constant pressure exhaust system by Multi-way control valve 6.
When the opposite valve body 61 of the driving rotary spool 62 of driving device 63 rotates to import and the connector of exhaust passage 621
When 611 one-to-one correspondence are staggered, gas exhaust piping 3 is not connected with exhaust passage 621, then gas exhaust piping 3 does not connect mutually each other,
Cylinder 2 after grouping is discharged into exhaust gas into turbine 4 successively by respective gas exhaust piping 3 according to the firing order of engine,
Exhaust system is switched to pulse exhaust system by Multi-way control valve 6.
Certainly, the multiple exhaust passages 621 set in rotary spool 62 can be with cloth such as triangular in shape, polygon or rounds
It puts, as long as exhaust passage 621 connects each other, sets what is connected with exhaust passage 621 on the periphery of rotary spool 62
Import, and the arrangement angle between import is identical with the arrangement angle between the connector 611 of valve body 61, it can
Complete the switching of the working condition of Multi-way control valve 6.The exhaust passage 621 only radially arranged facilitates processing.
As shown in Figure 3-Figure 5, further, in the present embodiment, driving device 63 includes gear 633, rack 634 and tooth
Driving part, wherein, gear 633 is fixed on the rotation center of rotary spool 62；Rack 634 is engaged with gear 633；Rack drives
Dynamic component is fixed on valve body 61, and is drivingly connected with rack 634.
The operation principle of the driving device 63 is：Rack drives component drive rack 634 moves linearly, and rack 634 drives
Gear 633 rotates, since gear 633 and rotary spool 62 are fixed, gear 633 drives rotary spool 62 with respect to valve body 61
Rotation, when rack drives component drive rack 634 moves in one direction, the import of exhaust passage 621 and the company of valve body 61
Interface 611 connects, when rack drives component drive rack 634 moves in opposite direction, the import of exhaust passage 621 and valve body
61 dislocation of connector 611 disconnects.
As an optimization, rack drives component includes solenoid valve 635, draw springs 632 and elastic component pedestal 631；Electromagnetism
Valve 635 is fixed on valve body 61, rack 634 is attracted to move for being powered；Elastic component pedestal 631 is fixed on valve body 61, is stretched
Elastic component 632 is fixed on elastic component pedestal 631, and one end of rack 634 is connect with draw springs 632, draw springs 632
Elastic-restoring force is applied to rack 634.During work, solenoid valve 635 is powered, and rack 634 is attracted to overcome the bullet of draw springs 632
Power moves linearly, and 634 drive gear 633 of rack rotates, and then rotary spool 62 is driven to be rotated relative to valve body 61, and movement is in place
Afterwards, the import of exhaust passage 621 is connected with the connector 611 of valve body 61.When solenoid valve 635 powers off, attraction disappears, rack
634 return to original position under the restoring force effect of draw springs 632, and 634 drive gear 633 of rack reversely rotates, and then drives
Rotary spool 62 is reversely rotated with respect to spool 61, returns to original position, and the import of exhaust passage 621 and the connector 611 of valve body 61 are wrong
Position disconnects.
Further, draw springs 632 are spring, it is, of course, also possible to for elastic rubber etc..
In order to facilitate the dismounting of gear 633, in the present embodiment, gear 633 is threadingly attached on rotary spool 62,
Certainly, gear 633, which can also be bonded or welded, is fixed on rotary spool 62.
Certainly, rack drives component can also be line handspike, be extended and retracted by Electronic control line handspike, realize
The straight reciprocating of rack 634.
Driving device 63 can also use electro-motor or liquid other than using the kind of drive of gear 633 and rack 634
The output shaft of pressure motor, electro-motor or hydraulic motor is drivingly connected with the rotation center of rotary spool 62, passes through electro-motor
Or hydraulic motor directly drives rotary spool 62 and is rotated relative to valve body 61.The letter of the type of drive structure of gear 633 and rack 634
Single, arrangement is convenient, and at low cost, Bit andits control is accurate.
As shown in Figure 3 and Figure 4, in the present embodiment, connector 611 is evenly arranged on the periphery of valve body 61, that is, is connected
Arrangement angle between interface 611 is equal, correspondingly, the arrangement folder between the import of the exhaust passage 621 on rotary spool 62
Angle is also equal.By taking in-line five as an example, cylinder 2 is connected using three gas exhaust pipings 3, then connector 611 and exhaust are logical
The quantity in road 621 is three, then the angle between 621 import of the angle between connector 611 and exhaust passage is
120°.Certainly, connector 611 can not also be evenly arranged on the periphery of valve body 61, if ensure exhaust passage 621 into
Mouth corresponds the disconnection that connects and misplace with connector 611.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (10)
1. a kind of exhaust system of multicylinder engine, including multicylinder engine and turbine, which is characterized in that further include：
Multiple gas exhaust pipings, each gas exhaust piping cylinder non-adjacent with one or more of the multicylinder engine
Connection, the quantity of the gas exhaust piping are less than or equal to the quantity of the cylinder, and the gas exhaust piping connects with the turbine
It is logical；
Multi-way control valve has the exhaust passage identical with the quantity of the gas exhaust piping, between the exhaust passage
It is interconnected, the exhaust passage is connected or simultaneously switched off simultaneously correspondingly with the gas exhaust piping.
2. the exhaust system of multicylinder engine according to claim 1, which is characterized in that the turbine is multichannel whirlpool
Turbine, the multichannel turbine include multiple air inlets connected with gas exhaust piping one-to-one correspondence.
3. the exhaust system of multicylinder engine according to claim 1, which is characterized in that the cylinder of the multicylinder engine
Quantity be at least three, the quantity at least two of the gas exhaust piping.
4. according to the exhaust system of claim 1-3 any one of them multicylinder engines, which is characterized in that the multichannel control
Valve processed includes：
Valve body is provided with the connector to connect one to one with the gas exhaust piping on the periphery of the valve body；
Rotary spool is rotationally connected in the valve body, and the interconnected exhaust passage is provided on the rotary spool,
And the arrangement angle between angle and the connector is identical for arranging between the import of the exhaust passage, by described
Rotary spool realizes that the exhaust passage and the connector are docked and connected or misplace one by one disconnection relative to valve body rotation；
Driving device is connect with the rotary spool and the valve body, for driving the relatively described valve body rotation of the rotary spool
Turn.
5. the exhaust system of multicylinder engine according to claim 4, which is characterized in that the driving device includes：
Gear is fixed on the rotation center of the rotary spool；
Rack is engaged with the gear；
Rack drives component is fixed on the valve body, and is connect with the rack drives.
6. the exhaust system of multicylinder engine according to claim 5, which is characterized in that the rack drives component packet
It includes：
Solenoid valve is fixed on the valve body, attracts the rack movement for being powered；
Draw springs, one end of the rack are connect with the draw springs；
Elastic component pedestal is fixed on the valve body, and the draw springs are fixed on the elastic component pedestal.
7. the exhaust system of multicylinder engine according to claim 6, which is characterized in that the draw springs are bullet
Spring.
8. the exhaust system of multicylinder engine according to claim 5, which is characterized in that the gear is connected through a screw thread
In on the rotary spool.
9. the exhaust system of multicylinder engine according to claim 4, which is characterized in that the connector is evenly arranged in
On the periphery of the valve body.
10. the exhaust system of multicylinder engine according to claim 4, which is characterized in that the driving device is electronic
The output shaft of motor or hydraulic motor, the electro-motor or hydraulic motor and the rotation center driving of the rotary spool connect
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711429374.5A CN108167065A (en) | 2017-12-26 | 2017-12-26 | A kind of exhaust system of multicylinder engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711429374.5A CN108167065A (en) | 2017-12-26 | 2017-12-26 | A kind of exhaust system of multicylinder engine |
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| Publication Number | Publication Date |
|---|---|
| CN108167065A true CN108167065A (en) | 2018-06-15 |
Family
ID=62520956
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711429374.5A Pending CN108167065A (en) | 2017-12-26 | 2017-12-26 | A kind of exhaust system of multicylinder engine |
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| Country | Link |
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| CN (1) | CN108167065A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607497A (en) * | 2022-03-04 | 2022-06-10 | 潍柴动力股份有限公司 | Composite exhaust pipe structure and engine exhaust system |
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| JPS5967536U (en) * | 1982-10-28 | 1984-05-08 | 日野自動車株式会社 | Turbo engine exhaust bypass device |
| CN2054125U (en) * | 1989-05-13 | 1990-03-07 | 邓昌沪 | Four-way change valve |
| JP2007211606A (en) * | 2006-02-07 | 2007-08-23 | Mazda Motor Corp | Engine with supercharger |
| CN201517445U (en) * | 2009-09-30 | 2010-06-30 | 上海交通大学 | Turbo-charging device with adjustable exhaust flow path |
| CN201944341U (en) * | 2011-01-08 | 2011-08-24 | 金华职业技术学院 | Symmetrical ball valve |
| CN105849385A (en) * | 2013-10-25 | 2016-08-10 | 洋马株式会社 | Engine |
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2017
- 2017-12-26 CN CN201711429374.5A patent/CN108167065A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5967536U (en) * | 1982-10-28 | 1984-05-08 | 日野自動車株式会社 | Turbo engine exhaust bypass device |
| CN2054125U (en) * | 1989-05-13 | 1990-03-07 | 邓昌沪 | Four-way change valve |
| JP2007211606A (en) * | 2006-02-07 | 2007-08-23 | Mazda Motor Corp | Engine with supercharger |
| CN201517445U (en) * | 2009-09-30 | 2010-06-30 | 上海交通大学 | Turbo-charging device with adjustable exhaust flow path |
| CN201944341U (en) * | 2011-01-08 | 2011-08-24 | 金华职业技术学院 | Symmetrical ball valve |
| CN105849385A (en) * | 2013-10-25 | 2016-08-10 | 洋马株式会社 | Engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607497A (en) * | 2022-03-04 | 2022-06-10 | 潍柴动力股份有限公司 | Composite exhaust pipe structure and engine exhaust system |
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Application publication date: 20180615 |
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| RJ01 | Rejection of invention patent application after publication |