CN208040586U - Engine turbine compressed air induction system - Google Patents
Engine turbine compressed air induction system Download PDFInfo
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- CN208040586U CN208040586U CN201820220965.5U CN201820220965U CN208040586U CN 208040586 U CN208040586 U CN 208040586U CN 201820220965 U CN201820220965 U CN 201820220965U CN 208040586 U CN208040586 U CN 208040586U
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- air inlet
- air
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- pipeline
- gas bleeder
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Abstract
A kind of engine turbine compressed air induction system,For solving the problems, such as that engine accelerates moment to accelerate insufficient under vacuum control mode,The engine turbine compressed air induction system includes compressor,Air throttle,Inlet manifold,Triple valve,Air inlet gas bleeder valve and corresponding connecting line,The compressor is connected to through air inlet pipeline with the inlet manifold,The inlet manifold is connected to through vacuum line with the air inlet gas bleeder valve,The triple valve is mounted on the vacuum line between the inlet manifold and the air inlet gas bleeder valve,It is connected to respectively with the inlet manifold and the air inlet gas bleeder valve,Another inlet end of the triple valve is drawn on an over-pressure control pipeline connection to air inlet pipeline simultaneously,So that the acceleration moment after deceleration or brake,Gas after compressor pressurizes can enter air inlet gas bleeder valve side rapidly from over-pressure control pipeline,Air inlet gas bleeder valve is set to close rapidly,Ensure that engine is sufficient in the air inflow for accelerating moment,Dynamic response is rapider.
Description
Technical field
The utility model is related to engine turbine supercharging technology fields, and in particular to a kind of engine turbine super charge system
System.
Background technology
The day increasingly improved and emission regulation limits discharge that vehicle economy and dynamic property are required with people
Beneficial stringent, the application for the Studying about Turbocharger of Engine technology becomes more and more extensive, is all arranged in many vehicles at present
Exhaust-driven turbo-charger exhaust-gas turbo charger.In order to ensure when engine is in different operating modes, the cooperation of turbine and compressor works
Characteristic can have good cooperation, existing exhaust-driven turbo-charger exhaust-gas turbo charger to be usually equipped with air inlet in broad range with engine
Gas bleeder valve and exhaust gas by-pass valve, to improve the performance of turbocharged engine.
Exhaust-driven turbo-charger exhaust-gas turbo charger used at present, control mode is other than the electronic control accurately controlled, it is common to use
Vacuum control.A kind of composition of engine turbine compressed air induction system as shown in Figure 1, air filtered through air cleaner 47 it is laggard
Enter in compressor 59, compressor 59 under the drive of turbine 49 to air pressurized, then air through air throttle 57 enter into
Gas manifold 51 enters finally into cylinder, the control terminal that inlet manifold 51 passes through vacuum line 53 and air inlet gas bleeder valve 55
Connection, in deceleration and brake, air throttle 57 is closed, and inlet manifold 51 provides vacuum cavitations air inlet gas bleeder valve along vacuum line 53
55 inner spool moves up, and air inlet gas bleeder valve 55 is opened, and gas after supercharged flows through before air inlet gas bleeder valve 55 returns to pressurization,
Pressurization gas is closed when avoiding braking or slowing down because of air throttle 57 to damage compressor impeller and air intake assembly；It steps on the throttle
When starting to accelerate, air throttle 57 is opened, air pressure raising in inlet manifold 51, when air pressure is increased to certain value in inlet manifold 51
When, inlet manifold 51 provides over-pressure control air inlet gas bleeder valve 55 by vacuum line 53 and closes, and gas after supercharged passes through solar term
Door 57 enters inlet manifold 51 and participates in engine work.
When driver is slowed down or is braked, inlet manifold provides negative pressure, and air inlet gas bleeder valve is opened；Then, driver steps on oil
The moment that door accelerates, air throttle are opened, and gas after supercharged enters by air throttle in inlet manifold, but in this moment, air inlet
There are still negative pressure for manifold, so that air inlet gas bleeder valve still in open state, will wait until that the pressure in inlet manifold reach certain
When value, air inlet gas bleeder valve is just closed under pressure and spring force effect, this results in engine that moment, air inlet is being accelerated to lose heart
The closing of valve lags, and the air inflow of engine is reduced, and accelerates moment to accelerate insufficient.
Utility model content
The purpose of this utility model seeks to solve the deficiency of above-mentioned technical background, provide a kind of engine turbine be pressurized into
Gas system so that under vacuum control, the moment that engine accelerates again after deceleration or brake, the air inlet in engine aspirating system
Gas bleeder valve can close rapidly, and engine is sufficient in the air inflow of the acceleration moment, and engine power response is rapider.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of engine turbine compressed air induction system described in the utility model, including compressor, air throttle, air inlet discrimination
Pipe, air inlet gas bleeder valve and corresponding connecting line, the compressor are connected to through air inlet pipeline with the inlet manifold, the air inlet discrimination
Pipe is connected to through vacuum line with the air inlet gas bleeder valve, and the air throttle is mounted on the air inlet pipeline, the vacuum line
It is equipped with triple valve, the first inlet end of the triple valve is connected to by the vacuum line with the inlet manifold, and described three
The outlet side of port valve is connected to the control terminal of the air inlet gas bleeder valve by the vacuum line to control the air inlet gas bleeder valve
Opening and closing；Second inlet end of the triple valve is connected to by over-pressure control pipeline with the air inlet pipeline.
Engine turbine compressed air induction system provided by the utility model, " two into one go out " characteristic that triple valve is utilized are come
Improved vacuum control mode is controlled various inlet end and the outlet of triple valve by Engine ECU according to Different Work Condition of Engine
The connection at end to change the circulation circuit of the high pressure gas in engine turbine compressed air induction system, and then controls air inlet and loses heart
The opening and closing of valve；After increasing an over-pressure control circuit using triple valve, accelerating moment, the on high-tension side high pressure gas of compressor can
It directly imported into the control terminal of air inlet gas bleeder valve through over-pressure control circuit, triple valve, air inlet gas bleeder valve is made to close rapidly, to protect
Demonstrate,proving engine accelerates the air inflow of moment sufficient, and dynamic response is rapider.
In a wherein embodiment, one end of the over-pressure control pipeline is connected to calming the anger positioned at described for the air inlet pipeline
Part between machine and the air inlet gas bleeder valve.
In a wherein embodiment, the triple valve is threeway solenoid electric valve, and the threeway solenoid electric valve is by threeway
Electromagnetic valve body and three-way magnetic valve core composition, have that supplied gas circulates on the three-way magnetic valve body with first inlet end,
It is open at second inlet end and the outlet side corresponding three, has one and institute in the middle part of the three-way magnetic valve core
State the channel of the perforation of the corresponding supplied gas circulation in the first inlet end, the outlet side.Specifically, when the triple valve is in disconnected
When electricity condition, a gas passage, the air inlet are formed between first inlet end of the triple valve and the outlet side
Gas in manifold can pass through the control terminal that this channel flows into the air inlet gas bleeder valve；When the triple valve is in energization shape
When state, a gas passage, the air inlet pipeline are formed between second inlet end of the triple valve and the outlet side
In gas can pass through this channel and flow into the control terminal of the air inlet gas bleeder valve.
In a wherein embodiment, the air inlet gas bleeder valve further includes the first port and second end for being interconnected or disconnecting
Mouthful, the first port is connected to the air inlet pipeline, the low pressure that the second port passes through lose heart pipeline and the compressor
Side is connected to, and the control terminal of the air inlet gas bleeder valve controls the first port and is connected to or disconnects with the second port, from
And it is connected to or disconnects the air inlet pipeline and the discouraged pipeline.
In a wherein embodiment, the air inlet gas bleeder valve further includes spool, the control terminal of the air inlet gas bleeder valve
The spool movement is controlled to be connected to or disconnect the first port and the second port.
In a wherein embodiment, the engine turbine compressed air induction system includes first, second and the three or three kind of work
Make state, under first working condition, the air throttle is opened, and the triple valve is in the first operating position to be connected to
The first inlet end and the outlet side are stated, to which the inlet manifold is connected to the control terminal of the air inlet gas bleeder valve,
To close the air inlet gas bleeder valve；Under second working condition, the closed throttle is so that the air inlet gas bleeder valve is beaten
It opens, to be connected to the low-pressure side of the air inlet pipeline and the compressor to lose heart, the triple valve is in first working position
It sets to be connected to first inlet end and the outlet side；Under the third working condition, the air throttle is opened, and described three
Port valve is in the second operating position to be connected to second inlet end and the outlet side to connect the air inlet pipeline and institute
The control terminal for stating air inlet gas bleeder valve, to close the air inlet gas bleeder valve.
In a wherein embodiment, it is connected to the over-pressure control pipe of the threeway solenoid electric valve and the air inlet pipeline
Road is rubber hose.
In a wherein embodiment, the engine turbine compressed air induction system further includes air cleaner, the air
Filter is connected to by pipeline with the low-pressure side of the compressor.
In a wherein embodiment, the engine turbine compressed air induction system further includes turbine, the turbine with
The compressor is coaxial, and the turbine of the turbine drives the wheel rotation of the compressor by axis.
The further advantage of the utility model will be described in detail in subsequent specific embodiment part combination attached drawing.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In the accompanying drawings：
Fig. 1 is a kind of structural schematic diagram of engine turbine compressed air induction system；
Fig. 2 is the first state schematic diagram of one embodiment of the utility model engine turbine compressed air induction system；
Fig. 3 is the second status diagram of engine turbine compressed air induction system shown in Fig. 2；
Fig. 4 is the third state schematic diagram of engine turbine compressed air induction system shown in Fig. 2.
Reference sign：11, compressor 13, air throttle 15, inlet manifold 17, air inlet gas bleeder valve 171, control terminal
173, first port 175, second port 177, spool 19, air inlet pipeline 21, vacuum line 23, triple valve 231, first
It is inlet end 233, outlet side 235, the second inlet end 237, three-way magnetic valve body 239, three-way magnetic valve core 25, just voltage-controlled
Tubulation road 27, lose heart pipeline 29, air cleaner 31, turbine
Specific implementation mode
For the technical solution of the utility model is explained further, the utility model is explained in detail below in conjunction with the accompanying drawings
It states, identical reference label indicates identical component in the accompanying drawings.
Fig. 2 is the structural schematic diagram of one embodiment of the utility model engine turbine compressed air induction system, referring to Fig. 2, originally
Utility model provide engine turbine compressed air induction system include compressor 11, air throttle 13, inlet manifold 15, air inlet lose heart
Valve 17 and corresponding connecting line, compressor 11 are connected to through air inlet pipeline 19 with inlet manifold 15, and inlet manifold 15 is through vacuum line
21 are connected to air inlet gas bleeder valve 17, and air throttle 13 is mounted on air inlet pipeline 19, and vacuum line 21 is equipped with triple valve 23, threeway
First inlet end 231 of valve 23 is connected to by vacuum line 21 with inlet manifold 15, and the outlet side 233 of triple valve 23 passes through vacuum
Pipeline 21 is connected to the control terminal 171 of air inlet gas bleeder valve 17 to control the opening and closing of air inlet gas bleeder valve 17；The second of triple valve 23 into
Gas end 235 is connected to by over-pressure control pipeline 25 with air inlet pipeline 19.
When work, air first after the pressurization of compressor 11, enters through air throttle 13 in inlet manifold 15 along air inlet pipeline 19,
According to the variation that air throttle 13 is opened and closed, 15 inside of inlet manifold generates vacuum positive pressure or negative pressure of vacuum, then is led by triple valve 23
Vacuum positive pressure or negative pressure of vacuum are imported into the control terminal 171 of air inlet gas bleeder valve 17 by logical pipeline, and then control air inlet gas bleeder valve
17 opening and closing, so control air inlet pipeline 19 and the low-pressure side of compressor 11 be connected to or disconnection, make air from air inlet pipeline 19
It is passed straight back to the low-pressure side of compressor 11 or inlet manifold 15 is entered by air throttle 13 along air inlet pipeline 19.
Engine turbine compressed air induction system provided by the utility model, " two into one go out " characteristic that triple valve is utilized are come
Improved vacuum control mode is controlled various inlet end and the outlet of triple valve by Engine ECU according to Different Work Condition of Engine
The connection at end to change the circulation circuit of the high pressure gas in engine turbine compressed air induction system, and then controls air inlet and loses heart
The opening and closing of valve；After increasing an over-pressure control circuit using triple valve, accelerating moment, the on high-tension side high pressure gas of compressor can
It directly imported into the control terminal of air inlet gas bleeder valve through over-pressure control circuit, triple valve, air inlet gas bleeder valve is made to close rapidly, to protect
Demonstrate,proving engine accelerates the air inflow of moment sufficient, and dynamic response is rapider.Also, triple valve is controlled by Engine ECU,
Precisely simple, the development cycle is short, it is easy to accomplish.
In the present embodiment, one end of over-pressure control pipeline 25 is connected to being let out positioned at compressor 11 and air inlet for air inlet pipeline 19
Part between air valve 17.Over-pressure control pipeline 25 is that engine accelerates the high pressure gas on moment air inlet pipeline 19 to quickly enter
One end of over-pressure control pipeline 25 is connected to compressor 11 and air inlet is lost heart by the access of the control terminal 171 of air inlet gas bleeder valve 17
On air inlet pipeline 19 between valve 17, it can reduce to avoid air inlet gas bleeder valve 17 in the open state and enter over-pressure control pipeline
The pressure of high pressure gas in 25 makes the high pressure gas for flowing into over-pressure control pipeline 25 from air inlet pipeline 19 still keep higher pressure
By force, to ensure the rapid closing of air inlet gas bleeder valve 17.
In the present embodiment, air inlet gas bleeder valve 17 further includes the first port 173 and second port for being interconnected or disconnecting
175, first port 173 is connected to air inlet pipeline 19, the low-pressure side company that second port 175 passes through lose heart pipeline 27 and compressor 11
Logical, the control terminal 171 of air inlet gas bleeder valve 17 controls first port 173 and is connected to or disconnects with second port 175, to connect on-off
Drive air pipe 19 and discouraged pipeline 27 into.
In the present embodiment, air inlet gas bleeder valve 17 further includes spool 177,171 control valve of control terminal of air inlet gas bleeder valve 17
Core 177 is moved to be connected to or disconnect first port 173 and second port 175.
In the present embodiment, triple valve 23 is threeway solenoid electric valve, and threeway solenoid electric valve is by three-way magnetic valve body 237
Formed with three-way magnetic valve core 239, have that supplied gas circulates on three-way magnetic valve body 237 with the first inlet end 231, the second air inlet
It is open at end 235 and outlet side 233 corresponding three, there are one and the first inlet end in the middle part of three-way magnetic valve core 239
231, the channel of the perforation of 233 corresponding supplied gas of outlet side circulation.Specifically, when triple valve 23 is in off-position, three
A gas passage is formed between first inlet end 231 of port valve 23 and outlet side 233, the gas in inlet manifold 15 can pass through
This channel flows into the control terminal 171 of air inlet gas bleeder valve 17；When triple valve 23 is in energized state, the second air inlet of triple valve 23
A gas passage is formed between end 235 and outlet side 233, the gas in air inlet pipeline 19 can pass through the inflow air inlet of this channel and let out
The control terminal 171 of air valve 17.
In the present embodiment, engine turbine compressed air induction system includes first, second and the three or three kind of working condition,
In the first operative state, air throttle 13 is opened, and triple valve 23 is in the first operating position to be connected to the first inlet end 231 and go out
Gas end 233, to which inlet manifold 15 to be connected to the control terminal 171 of air inlet gas bleeder valve 17, to close air inlet gas bleeder valve 17；?
Under two working conditions, air throttle 13 is closed so that the opening of air inlet gas bleeder valve 17, the first port 173 and second of air inlet gas bleeder valve 17
For the connection of port 175 to be connected to air inlet pipeline 19 and discouraged pipeline 27 to lose heart, triple valve 23 is in the first operating position to be connected to
First inlet end 231 and outlet side 233；Under third working condition, air throttle 13 is opened, and triple valve 23 is in the second working position
It sets with the second inlet end 235 of connection and outlet side 233 to connect the control terminal 171 of air inlet pipeline 19 and air inlet gas bleeder valve 17,
To close air inlet gas bleeder valve 17.
In the present embodiment, engine turbine compressed air induction system further includes air cleaner 29 and turbine 31.Air
Filter 29 is connected to by pipeline with the low-pressure side of compressor 11, fresh air first pass through air cleaner 29 purification, then into
Enter in compressor 11, is pressurizeed to it by compressor 11.Turbine 31 and compressor 11 are coaxial, and the exhaust gas of engine discharge pushes whirlpool
The rotation of turbine in turbine 31, turbine drive the wheel rotation of compressor 11 by axis, to which compressor 11 is realized to air
Pressurization.
The operation principle for the engine turbine compressed air induction system that the present embodiment is provided is as follows：
As shown in Fig. 2, in figure arrow indicate gas flow direction, speed stabilizing when driving, air throttle 13 open, triple valve 23
It is controlled by Engine ECU, is in off-position, air enters after the filtering of air cleaner 29 in compressor 11, through compressor
Become high pressure gas after 11 pressurizations along air inlet pipeline 19 to enter in inlet manifold 15 through air throttle 13, the high pressure in inlet manifold 15
Gas enters from the first inlet end 231 of triple valve 23, is flowed out from outlet side 233, reaches the control terminal of air inlet gas bleeder valve 17
171, so that air inlet gas bleeder valve 17 is closed.At this moment, automobile is in normally travel operating mode, and engine charge is sufficient, Gao Xing
It can operating.
As shown in figure 3, arrow indicates gas flow direction in figure, in deceleration or brake, air throttle 13 is closed, triple valve
23 are controlled by Engine ECU, are in off-position, the spool 177 of air inlet gas bleeder valve 17 is by 19 mesohigh gas force of air inlet pipeline
Effect movement, spool 177 is located at position shown in Fig. 3, and the high pressure gas in air inlet pipeline 19 makes the opening of air inlet gas bleeder valve 17,
First port 173, second port 175 of the high pressure gas through air inlet gas bleeder valve 17 in air inlet pipeline 19 are flowed back to along discouraged pipeline 27
To the low-pressure side of compressor 11, avoids deceleration moment air throttle 13 from closing high pressure gas and compressor impeller and air intake assembly are caused
Damage.
As shown in figure 4, arrow indicates gas flow direction, the acceleration moment after deceleration or brake, air throttle 13 in figure
It opens, triple valve 23 is controlled by Engine ECU, is in energized state, and three-way magnetic valve core 239 moves, and the second of triple valve 23
Inlet end 235 is connected to outlet side 233, and the high pressure gas from compressor 11 out is from air inlet pipeline 19 through over-pressure control pipeline
25 flow into from the second inlet end 235 of triple valve 23, are flowed out from outlet side 233, then flow into air inlet gas bleeder valve through vacuum line 21
17 control terminal 171 pushes the spool 177 of air inlet gas bleeder valve 17 to move, rapid to close air inlet gas bleeder valve 17, ensures that engine adds
The air inflow of fast moment is sufficient.
In the present embodiment, the over-pressure control pipeline 25 for being connected to triple valve 23 and air inlet pipeline 19 is rubber hose.Positive pressure
The effect of control piper is to import compressor on high-tension side gas in air inlet gas bleeder valve, makes acceleration moment air inlet gas bleeder valve in height
It calms the anger and closes rapidly under the action of body, realized by a rubber hose in actual production, very to the change of engine complete machine
It is small and cost-effective.
Above description is only a specific implementation of the present invention, it is noted that any to be familiar with those skilled in the art
In technical scope disclosed by the utility model, the change or replacement that can be readily occurred in should all be covered in the utility model member
Protection domain within.
Claims (9)
1. a kind of engine turbine compressed air induction system, including compressor (11), air throttle (13), inlet manifold (15), air inlet
Gas bleeder valve (17) and corresponding connecting line, the compressor (11) are connected to through air inlet pipeline (19) with the inlet manifold (15),
The inlet manifold (15) is connected to through vacuum line (21) with the air inlet gas bleeder valve (17), and the air throttle (13) is mounted on institute
It states on air inlet pipeline (19), which is characterized in that the vacuum line (21) is equipped with triple valve (23), the triple valve (23)
First inlet end (231) is connected to by the vacuum line (21) with the inlet manifold (15), and triple valve (23) go out
Gas end (233) is connected to by the vacuum line (21) with the control terminal (171) of the air inlet gas bleeder valve (17) described to control
The second inlet end (235) of the opening and closing of air inlet gas bleeder valve (17), the triple valve (23) passes through over-pressure control pipeline (25) and institute
State air inlet pipeline (19) connection.
2. engine turbine compressed air induction system as described in claim 1, which is characterized in that the over-pressure control pipeline (25)
One end be connected to the part between the compressor (11) and the air inlet gas bleeder valve (17) of the air inlet pipeline (19).
3. engine turbine compressed air induction system as described in claim 1, which is characterized in that the triple valve (23) is threeway
Solenoid electric valve, the threeway solenoid electric valve is made of three-way magnetic valve body (237) and three-way magnetic valve core (239), described
Have on three-way magnetic valve body (237) supplied gas circulate with first inlet end (231), second inlet end (235) and
It is open at the outlet side (233) corresponding three, has one and described first in the middle part of the three-way magnetic valve core (239)
The channel for the perforation that inlet end (231), the outlet side (233) corresponding supplied gas circulate.
4. engine turbine compressed air induction system as described in claim 1, which is characterized in that the air inlet gas bleeder valve (17) is also
Including the first port (173) for being interconnected or disconnecting and second port (175), the first port (173) and the air inlet
Pipeline (19) is connected to, and the second port (175) is connected to by the pipeline (27) that loses heart with the low-pressure side of the compressor (11), institute
The control terminal (171) the control first port (173) for stating air inlet gas bleeder valve (17) is connected to the second port (175)
Or disconnect, to connection or disconnect the air inlet pipeline (19) and the discouraged pipeline (27).
5. engine turbine compressed air induction system as claimed in claim 4, which is characterized in that the air inlet gas bleeder valve (17) is also
Including spool (177), the control terminal (171) of the air inlet gas bleeder valve (17) controls spool (177) movement to be connected to
Or disconnect the first port (173) and the second port (175).
6. engine turbine compressed air induction system as described in claim 1, which is characterized in that the engine turbine be pressurized into
Gas system includes first, second and the three or three kind of working condition, and under first working condition, the air throttle (13) is beaten
It opens, the triple valve (23) is in the first operating position to be connected to first inlet end (231) and the outlet side (233),
So that the inlet manifold (15) be connected to the control terminal (171) of the air inlet gas bleeder valve (17), with described in closing into
Gas gas bleeder valve (17)；Under second working condition, the air throttle (13) is closed so that the air inlet gas bleeder valve (17) is beaten
It opens, to be connected to the low-pressure side of the air inlet pipeline (19) and the compressor (11) to lose heart, the triple valve (23) is in institute
The first operating position is stated to be connected to first inlet end (231) and the outlet side (233)；In the third working condition
Under, the air throttle (13) is opened, and the triple valve (23) is in the second operating position to be connected to second inlet end (235)
With the outlet side (233) to connect the control terminal of the air inlet pipeline (19) and the air inlet gas bleeder valve (17)
(171), to close the air inlet gas bleeder valve (17).
7. engine turbine compressed air induction system as described in claim 1, which is characterized in that the over-pressure control pipeline (25)
For rubber hose.
8. engine turbine compressed air induction system as described in claim 1, which is characterized in that the engine turbine be pressurized into
Gas system further includes air cleaner (29), the low-pressure side that the air cleaner (29) passes through pipeline and the compressor (11)
Connection.
9. engine turbine compressed air induction system as described in claim 1, which is characterized in that the engine turbine be pressurized into
Gas system further includes turbine (31), the turbine (31) and the compressor (11) coaxially, the whirlpool of the turbine (31)
Wheel drives the wheel rotation of the compressor (11) by axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820220965.5U CN208040586U (en) | 2018-02-07 | 2018-02-07 | Engine turbine compressed air induction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820220965.5U CN208040586U (en) | 2018-02-07 | 2018-02-07 | Engine turbine compressed air induction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208040586U true CN208040586U (en) | 2018-11-02 |
Family
ID=63952507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820220965.5U Active CN208040586U (en) | 2018-02-07 | 2018-02-07 | Engine turbine compressed air induction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208040586U (en) |
-
2018
- 2018-02-07 CN CN201820220965.5U patent/CN208040586U/en active Active
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