CN213510946U - Air inlet mixing device and engine - Google Patents
Air inlet mixing device and engine Download PDFInfo
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- CN213510946U CN213510946U CN202022246933.2U CN202022246933U CN213510946U CN 213510946 U CN213510946 U CN 213510946U CN 202022246933 U CN202022246933 U CN 202022246933U CN 213510946 U CN213510946 U CN 213510946U
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Abstract
The utility model discloses an air inlet mixing device and an engine, wherein the air inlet mixing device comprises an air inlet bypass device, an air inlet throttle valve and an air inlet mixer which are sequentially connected along the air inlet direction, the air inlet mixer comprises a cylindrical mixer shell and a mixer core body, an EGR air inlet cavity is formed between the mixer shell and the mixer core body, the mixer shell is provided with an EGR air inlet, and the mixer core body is provided with an EGR air inlet hole; the air inlet bypass device comprises a cylindrical air inlet bypass connecting pipe body and an air inlet bypass core body, an air inlet bypass cavity is formed between the cylindrical air inlet bypass connecting pipe body and the air inlet bypass core body, an air inlet bypass connector is arranged on the air inlet bypass connecting pipe body, an air inlet backflow air hole is formed in the air inlet bypass core body, and the air inlet bypass connector is connected to the air inlet end of the supercharger through a bypass pipeline. This scheme makes EGR waste gas and fresh air intensive mixing through the porous column structure of blender core, when having realized the choke valve that admits air through the bypass device that admits air and close, admits air and can directly return to the booster to avoid admitting air and hold back the surge problem that the gas leads to.
Description
Technical Field
The utility model relates to the technical field of engines, especially, relate to an air inlet mixing device and an engine.
Background
At present, an air inlet mixer of an engine mostly adopts a casting cavity structure, has poor mixing effect and uneven air inlet temperature, influences air inlet temperature measurement and influences cold starting performance of the engine; the existing air inlet mixer structure has no air inlet bypass structure, and sometimes the surge problem occurs when an air inlet throttle valve is closed.
Therefore, how to solve the problems of uneven mixing and surge of the intake air mixer is a technical problem which needs to be solved currently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides an intake air mixing device for solving the problems of intake air mixing non-uniformity and intake air surge. Another object of the present invention is to provide an engine including the above intake air mixing device.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an intake air mixing device comprising:
the air inlet mixer comprises a cylindrical mixer shell and a mixer core body, wherein the mixer shell is sleeved on the periphery of the mixer core body, an EGR (exhaust gas recirculation) air inlet cavity is formed between the mixer core body and the mixer shell, two ends of the mixer core body are hermetically connected with the mixer shell body, an EGR air inlet communicated with the EGR air inlet cavity is formed in the periphery of the mixer shell body, and a plurality of EGR air inlet holes communicated with the EGR air inlet cavity are formed in the circumferential direction of the mixer core body;
the air inlet bypass device comprises a cylindrical air inlet bypass connecting pipe body and an air inlet bypass core body, the air inlet bypass connecting pipe body is sleeved on the periphery of the air inlet bypass core body, an air inlet bypass cavity is formed between the air inlet bypass core body and the air inlet bypass connecting pipe body, two ends of the air inlet bypass core body are hermetically connected with the air inlet bypass connecting pipe body, an air inlet bypass interface communicated with the air inlet bypass cavity is arranged on the periphery of the air inlet bypass connecting pipe body, a plurality of air inlet backflow air holes communicated with the air inlet bypass cavity are formed in the circumferential direction of the air inlet bypass core body, and the air inlet bypass interface is connected to the air inlet end of the supercharger through a bypass pipeline;
and the air inlet throttle valve is connected between the air outlet end of the air inlet bypass device and the air inlet end of the air inlet mixer.
Preferably, an EGR injection pipe is arranged in the mixer core, an end opening of the EGR injection pipe is communicated with the EGR intake chamber, and a plurality of EGR injection holes are formed in the periphery of the EGR injection pipe.
Preferably, the EGR injection pipe is arranged along the radial extension of the mixer core and both sections are communicated with the EGR intake chamber.
Preferably, the cross section of the EGR injection pipe is a drop-shaped cross section, the wider end of the drop-shaped cross section is arranged toward the air inlet end of the air intake mixer, and the narrower end of the drop-shaped cross section is arranged toward the air outlet end of the air intake mixer.
Preferably, an air inlet return pipe is arranged inside the air inlet bypass core body, an end opening of the air inlet return pipe is communicated with the air inlet bypass cavity, and a plurality of return holes are formed in the periphery of the air inlet return pipe.
Preferably, the intake air return pipe is arranged along the radial extension of the intake bypass core body, and two sections of the intake air return pipe are communicated with the intake bypass cavity.
Preferably, the cross section of the air inlet return pipe is a drop-shaped cross section, the wider end of the drop-shaped cross section is arranged towards the air inlet end of the air inlet bypass device, and the narrower end of the drop-shaped cross section is arranged towards the air outlet end of the air inlet bypass device.
Preferably, the flow area of the intake bypass interface is smaller than the flow area of the EGR intake port.
Preferably, the intake bypass device, the intake throttle valve and the intake mixer are coaxially arranged in series.
The utility model provides an air inlet mixing device, which comprises an air inlet bypass device, an air inlet throttle valve and an air inlet mixer which are sequentially connected along the air inlet direction, wherein the air inlet mixer comprises a cylindrical mixer shell and a mixer core body, the mixer shell is sleeved on the periphery of the mixer core body, an EGR air inlet cavity is formed between the mixer shell and the mixer core body, and the mixer shell and the mixer core body are respectively provided with an EGR air inlet and an EGR air inlet which are communicated with the EGR air inlet cavity; the air inlet bypass device comprises a cylindrical air inlet bypass connecting pipe body and an air inlet bypass core body, the air inlet bypass connecting pipe body is sleeved on the periphery of the air inlet bypass core body, an air inlet bypass cavity is formed between the air inlet bypass connecting pipe body and the air inlet bypass core body, an air inlet bypass connector and an air inlet backflow air hole which are communicated with the air inlet bypass cavity are respectively formed in the air inlet bypass connecting pipe body and the air inlet bypass core body, and the air inlet bypass connector is connected to the air inlet end of the supercharger through a bypass.
The working principle of the utility model is as follows:
in the air inlet process of the engine, fresh air is pressurized by the supercharger and then sequentially passes through the air inlet bypass device and the air inlet throttle valve to reach the mixer core body of the air inlet mixer, meanwhile, waste gas in the EGR pipe enters the EGR air inlet cavity through the EGR air inlet and then enters the mixer core body through the EGR air inlet holes, the fresh air and the EGR waste gas are fully mixed in the mixer core body, and finally the fresh air and the EGR waste gas enter the engine cylinder to participate in combustion. The porous structure of the mixer core body is beneficial to fully mixing EGR waste gas and fresh air, so that an air inlet temperature field is more uniform, and the cold starting performance of the engine is improved. When the air inlet throttle valve is closed, the fresh air can sequentially pass through the air inlet backflow air hole and the air inlet bypass interface of the air inlet bypass device and then enter the air inlet end of the supercharger through the bypass pipeline, so that the surge problem caused by air inlet suffocation can be effectively avoided.
The utility model also provides an engine of including above-mentioned air intake mixing arrangement. The derivation process of the beneficial effect of the engine is substantially similar to the derivation process of the beneficial effect of the intake air mixing device, and therefore, the description is omitted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of an intake air mixing device according to an embodiment of the present invention;
fig. 2 is a first cross-sectional view of an intake air mixing device in an embodiment of the invention;
FIG. 3 is a second cross-sectional view of an intake air mixing device in an embodiment of the invention;
FIG. 4 is a cross-sectional view of a mixer core in an embodiment of the invention;
fig. 5 is a schematic view of the overall structure of the mixer core according to the embodiment of the present invention;
fig. 6 is a schematic structural diagram of an EGR injection pipe according to an embodiment of the present invention.
The meaning of the various reference numerals in figures 1 to 6 is as follows:
the device comprises a 1-air inlet bypass device, a 2-air inlet throttle valve, a 3-air inlet mixer, a 4-O-shaped sealing ring, an 11-air inlet bypass interface, a 12-air inlet bypass connecting pipe body, a 13-air inlet bypass core body, a 14-air inlet bypass cavity, a 15-air inlet return pipe, a 16-return hole, a 17-air inlet return air hole, a 31-EGR air inlet, a 32-mixer shell, a 33-mixer core body, a 34-EGR air inlet cavity, a 35-EGR injection pipe, a 36-EGR injection hole and a 37-EGR air inlet hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 6, fig. 1 is a schematic view of an overall structure of an intake air mixing device according to an embodiment of the present invention; fig. 2 is a first cross-sectional view of an intake air mixing device in an embodiment of the invention; FIG. 3 is a second cross-sectional view of an intake air mixing device in an embodiment of the invention; FIG. 4 is a cross-sectional view of a mixer core in an embodiment of the invention; fig. 5 is a schematic view of the overall structure of the mixer core according to the embodiment of the present invention; fig. 6 is a schematic structural diagram of an EGR injection pipe according to an embodiment of the present invention.
As shown in fig. 1, the utility model provides an air intake mixing device, including the air intake bypass device 1, the air intake throttle valve 2 and the air intake mixer 3 that connect gradually along the air current direction that admits air.
The air inlet mixer 3 comprises a cylindrical mixer shell 32 and a mixer core body 33, the mixer shell 32 is sleeved on the periphery of the mixer core body 33, an EGR air inlet cavity 34 is formed between the mixer core body 33 and the mixer shell 32, two ends of the mixer core body 33 are hermetically connected with the mixer shell body 32, an EGR air inlet 31 communicated with the EGR air inlet cavity 34 is arranged on the periphery of the mixer shell body 32, and a plurality of EGR air inlet holes 37 communicated with the EGR air inlet cavity 34 are arranged in the circumferential direction of the mixer core body 33;
the air inlet bypass device 1 comprises a cylindrical air inlet bypass connecting pipe body 12 and an air inlet bypass core body 13, wherein the air inlet bypass connecting pipe body 12 is sleeved on the periphery of the air inlet bypass core body 13, an air inlet bypass cavity 14 is formed between the air inlet bypass core body 13 and the air inlet bypass connecting pipe body 12, two ends of the air inlet bypass core body 13 are hermetically connected with the air inlet bypass connecting pipe body 12, an air inlet bypass connector 11 communicated with the air inlet bypass cavity 14 is arranged on the periphery of the air inlet bypass connecting pipe body 12, a plurality of air inlet backflow air holes 17 communicated with the air inlet bypass cavity 14 are formed in the circumferential direction of the air inlet bypass core body 13, and the air inlet bypass connector 11 is connected to the air inlet end of the supercharger through a bypass;
the intake throttle valve 2 is connected between the outlet end of the intake bypass device 1 and the inlet end of the intake mixer 3, and is used for controlling the intake amount of the fresh air.
The working principle of the utility model is as follows:
in the air intake process of the engine, fresh air is pressurized by the supercharger and then sequentially passes through the air intake bypass device 1 and the air intake throttle valve 2 to reach the mixer core body 33 of the air intake mixer 3, meanwhile, waste gas in the EGR pipe enters the EGR air intake cavity 34 through the EGR air inlet 31 and then enters the mixer core body 33 through the EGR air intake holes 37, the fresh air and the EGR waste gas are fully mixed in the mixer core body 33, and finally enter the engine cylinder to participate in combustion. The porous structure of the mixer core body 33 is beneficial to fully mixing EGR waste gas and fresh air, so that an air inlet temperature field is more uniform, and the cold starting performance of the engine is improved. When the air inlet throttle valve 2 is closed, the fresh air can sequentially pass through the air inlet reflux air hole 17 and the air inlet bypass interface 11 of the air inlet bypass device 1 and then enter the air inlet end of the supercharger through the bypass pipeline, so that the surge problem caused by air inlet blocking can be effectively avoided.
It should be noted that, in the present embodiment, the intake bypass interface 11 is connected to the intake end of the supercharger through a bypass pipeline, and a control valve may be disposed on the bypass pipeline to control the opening time of the bypass pipeline, and in the present embodiment, the Engine Controller (ECU) preferably controls the opening and closing of the control valve, so that when the intake throttle valve 2 is opened, the control valve is in a closed state, and when the intake throttle valve is closed, the control valve is opened. In addition, the control valve can also be connected with the air intake throttle valve 2 through a linkage mechanism, when the air intake throttle valve 2 is opened, the control valve is ensured to be in a closed state, when the air intake throttle valve 2 is closed, the control valve is opened, the linkage mechanism can adopt a crank-link linkage mechanism or a gear-rack linkage mechanism and the like, and the details are not repeated herein.
It should be noted that, in the present embodiment, the two ends of the mixer core 33 and the mixer housing 32 may be hermetically connected in various manners, and the two ends of the intake bypass core 13 and the intake bypass pipe 12 may also be hermetically connected in various manners, for example, connected by a sealing ring, or fixed by welding or hermetically connected by interference fit. Preferably, the sealing connection is realized by using an O-ring 4 in the present scheme, as shown in fig. 2 to 5.
It should be noted that the EGR inlet chamber 34 in this embodiment is preferably designed as an annular chamber surrounding the outer periphery of the mixer core 33, and the intake bypass chamber 14 is preferably designed as an annular chamber surrounding the outer periphery of the intake bypass core 13.
It should be noted that, this scheme sets up a plurality of EGR inlet holes 37 in the circumference of blender core 33, can realize that EGR waste gas gets into in the core along a plurality of angles of the circumference of blender core 33 to improve the mixing homogeneity of EGR waste gas and fresh air, further preferably, this scheme evenly distributed a plurality of EGR inlet holes 37 in the periphery of blender core 33.
In order to further improve the mixing uniformity and the uniformity of the intake air temperature field, as shown in fig. 2 to 6, it is preferable that the mixer core 33 is internally provided with an EGR injection pipe 35, an end opening of the EGR injection pipe 35 communicates with the EGR intake chamber 34, and the EGR injection pipe 35 is provided with a plurality of EGR injection holes 36 on an outer periphery thereof. This scheme is through at inside EGR injection pipe 35 that sets up of blender core 33, can make EGR waste gas spout the core with more angles from blender core 33 is inboard, like this, can be so that all there is EGR waste gas to spout with inside around blender core 33 to make fresh air and EGR waste gas mix with more angles, improve the homogeneity of mixing homogeneity and mixed intake temperature field.
Preferably, the EGR injection pipe 35 is arranged along the radial extension of the mixer core 33 and both sections communicate with the EGR intake chamber 34. Of course, the EGR injection pipe 35 may also be arranged in a radial direction parallel to the mixer core 33, or the EGR injection pipe 35 may be arranged in an extending direction intersecting with the radial direction of the mixer core 33, both of which arrangements enable EGR exhaust gas to be injected into the core from the inside of the mixer core 33.
It should be noted that the EGR injection pipe 35 in the present embodiment may be designed as a tubular structure with a cross section of a circle, a square, an ellipse, or other shapes. Preferably, as shown in fig. 3 to 6, the cross section of the EGR jet pipe 35 is a drop-shaped section having one end wide and the other end narrow, and the overall shape of the section is similar to a drop shape, and in addition, the outer side of the wider end of the drop-shaped section has a circular arc-shaped transition profile for the purpose of reducing air resistance. The wider end of the drop-shaped cross-section is arranged towards the inlet end of the inlet mixer 3 and the narrower end of the drop-shaped cross-section is arranged towards the outlet end of the inlet mixer 3. With such an arrangement, the resistance of the fresh air flowing through the EGR injection pipe 35 can be reduced as much as possible, and the fresh air and the EGR exhaust gas can be sufficiently mixed at a high flow rate.
It should be noted that, in the present solution, by arranging the plurality of intake backflow vent holes 17 in the circumferential direction of the intake bypass core 13, the fresh air can enter the intake bypass cavity 14 at a plurality of angles along the circumferential direction of the intake bypass core 13, so as to improve the response speed of the intake backflow. Further preferably, the scheme uniformly distributes a plurality of air inlet backflow air holes 17 on the periphery of the air inlet bypass core body 13.
Preferably, an intake return pipe 15 is provided inside the intake bypass core 13, an end opening of the intake return pipe 15 communicates with the intake bypass chamber 14, and a plurality of return holes 16 are provided on an outer periphery of the intake return pipe 15. So set up, after air intake throttle valve 2 closed, fresh air can enter into air intake bypass chamber 14 through a plurality of backward flow holes 16 of air intake back flow pipe 15 and a plurality of air intake back flow bleeder vents 17 on the air intake bypass core 13 in, design more backward flow through hole structure and can make fresh air flow back along more angles and directions to further relax at the uniform velocity, avoid the vibration noise problem that the instantaneous air intake backward flow caused.
Preferably, the intake air return pipe 15 is arranged to extend in the radial direction of the intake bypass core 13 and both sections communicate with the intake bypass cavity 14. Of course, the intake return pipe 15 may also be arranged in a radial direction parallel to the intake bypass core 13, or the extending direction of the intake return pipe 15 may be arranged to intersect the radial direction of the intake bypass core 13, and these arrangements may each enable fresh air to flow from the inside of the intake bypass core 13 into the intake bypass chamber 14 through the intake return pipe 15.
It should be noted that the intake/return pipe 15 in the present embodiment may be designed as a tubular structure with a cross section of a circle, an ellipse, a square or other shapes. Preferably, as shown in fig. 2 and 3, the cross section of the intake/return pipe 15 is a drop-shaped section, one end of which is wider and the other end is narrower, and the overall shape of the section is similar to a drop shape, and in addition, the outer side of the wider end of the drop-shaped section has a circular arc-shaped transition profile for the purpose of reducing air resistance. The wider end of the drop-shaped cross section is arranged towards the air inlet end of the air inlet bypass device 1, and the narrower end of the drop-shaped cross section is arranged towards the air outlet end of the air inlet bypass device 1. This arrangement makes it possible to minimize the resistance when the fresh air flows through the intake/return pipe 15.
Preferably, the flow area of the intake bypass port 11 is smaller than the flow area of the EGR intake port 31. The inner diameter of the intake bypass core 13 is equivalent or equal to the inner diameter of the mixer core 33. The ratio of the aperture of the air inlet bypass connector 11 to the inner diameter of the air inlet bypass core body 13 is specifically designed to be 1: 3; the ratio of the bore diameter of the EGR inlet port 31 to the inner diameter of the mixer core 33 is designed to be 1: 2.5; with the arrangement, the smaller aperture of the air inlet bypass interface 11 has the advantages of good uniformity of the returned air and low noise; meanwhile, the larger aperture of the EGR inlet port 31 allows the exhaust gas to enter the intake mixer 3 more smoothly.
Preferably, the intake bypass device 1, the intake throttle valve 2 and the intake mixer 3 are coaxially arranged in series, thereby facilitating the assembly of the whole machine.
The air intake mixing device that this scheme provided inlays EGR injection pipe 35 in blender core 33 earlier when the equipment, passes through a plurality of bolt-ups with blender casing 32 and blender core 33 again and is in the same place to seal up blender core 33 both ends through two O type sealing washer 4. The assembly process of the intake bypass device 1 is similar to that of the intake mixer 3, and will not be described in detail herein.
The utility model discloses following beneficial effect has:
1) according to the scheme, the mixer core body 33 is designed into a cylindrical structure with a plurality of through holes, so that the EGR waste gas and the fresh air can be fully mixed, and the mixing uniformity is improved;
2) the EGR jet pipe 35 is arranged in the mixer core body 33, so that the mixing uniformity is further improved, the uniformity of an air inlet temperature field is also improved, the cold starting performance of an engine is favorably improved, and the problem of air inlet icing can be prevented;
3) according to the scheme, the air inlet bypass device is arranged, so that when the air inlet throttle valve 2 is closed, fresh air can directly return to the air inlet end of the supercharger, and the surge problem caused by air inlet blocking is effectively avoided;
4) the scheme adds the air inlet return pipe 15 in the air inlet bypass device, can moderate the air inlet return speed, and avoids the vibration noise problem caused by instantaneous air inlet return.
The utility model also provides an engine of including above-mentioned air intake mixing arrangement. The derivation process of the beneficial effect of the engine is substantially similar to the derivation process of the beneficial effect of the intake air mixing device, and therefore, the description is omitted.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An intake air mixing device, comprising:
the air inlet mixer (3) comprises a cylindrical mixer shell (32) and a mixer core body (33), the mixer shell body (32) is sleeved on the periphery of the mixer core body (33), an EGR air inlet cavity (34) is formed between the mixer core body (33) and the mixer shell body (32), two ends of the mixer core body (33) are connected with the mixer shell body (32) in a sealing mode, an EGR air inlet (31) communicated with the EGR air inlet cavity (34) is formed in the periphery of the mixer shell body (32), and a plurality of EGR air inlet holes (37) communicated with the EGR air inlet cavity (34) are formed in the periphery of the mixer core body (33);
an air inlet bypass device (1), wherein the air inlet bypass device (1) comprises a cylindrical air inlet bypass connecting pipe body (12) and an air inlet bypass core body (13), the air inlet bypass connecting pipe body (12) is sleeved on the periphery of the air inlet bypass core body (13), an air inlet bypass cavity (14) is formed between the air inlet bypass core body (13) and the air inlet bypass connecting pipe body (12), and the two ends of the air inlet bypass core body (13) are hermetically connected with the air inlet bypass connecting pipe body (12), an air inlet bypass connector (11) communicated with the air inlet bypass cavity (14) is arranged on the periphery of the air inlet bypass connecting pipe body (12), a plurality of air inlet backflow air holes (17) communicated with the air inlet bypass cavity (14) are formed in the circumferential direction of the air inlet bypass core body (13), the air inlet bypass connector (11) is connected to the air inlet end of the supercharger through a bypass pipeline;
and the air inlet throttle valve (2), and the air inlet throttle valve (2) is connected between the air outlet end of the air inlet bypass device (1) and the air inlet end of the air inlet mixer (3).
2. The intake air mixing device according to claim 1, characterized in that an EGR injection pipe (35) is provided inside the mixer core (33), an end opening of the EGR injection pipe (35) communicates with the EGR intake chamber (34), and a plurality of EGR injection holes (36) are provided in an outer periphery of the EGR injection pipe (35).
3. The intake air mixing device according to claim 2, wherein the EGR injection pipe (35) is arranged along a radial extension of the mixer core (33) and both sections communicate with the EGR intake chamber (34).
4. The intake air mixing device according to claim 3, wherein the EGR injection pipe (35) has a cross section in a drop shape, and the wider end of the drop shape is disposed toward the intake end of the intake air mixer (3) and the narrower end of the drop shape is disposed toward the outlet end of the intake air mixer (3).
5. The intake air mixing device according to claim 1, wherein an intake air return pipe (15) is provided inside the intake bypass core (13), an end opening of the intake air return pipe (15) communicates with the intake bypass chamber (14), and a plurality of return holes (16) are provided in an outer periphery of the intake air return pipe (15).
6. The intake air mixing device according to claim 5, characterized in that the intake air return pipe (15) is arranged in a radial extension of the intake bypass core (13) and communicates with the intake bypass chamber (14) at two sections.
7. The intake air mixing device according to claim 6, wherein the cross section of the intake air return pipe (15) is a drop-shaped cross section, the wider end of the drop-shaped cross section being arranged towards the intake end of the intake bypass device (1), and the narrower end of the drop-shaped cross section being arranged towards the outlet end of the intake bypass device (1).
8. The intake air mixing device according to claim 1, characterized in that a flow area of the intake bypass interface (11) is smaller than a flow area of the EGR intake port (31).
9. The intake air mixing device according to claim 1, characterized in that the intake bypass device (1), the intake throttle valve (2) and the intake mixer (3) are coaxially arranged in series.
10. An engine comprising an intake air mixing device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022246933.2U CN213510946U (en) | 2020-10-09 | 2020-10-09 | Air inlet mixing device and engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022246933.2U CN213510946U (en) | 2020-10-09 | 2020-10-09 | Air inlet mixing device and engine |
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| CN213510946U true CN213510946U (en) | 2021-06-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645806A (en) * | 2022-01-26 | 2022-06-21 | 温州市温纳汽车配件有限公司 | Exhaust gas recirculation valve |
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2020
- 2020-10-09 CN CN202022246933.2U patent/CN213510946U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645806A (en) * | 2022-01-26 | 2022-06-21 | 温州市温纳汽车配件有限公司 | Exhaust gas recirculation valve |
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