CN219366194U - Engine air inlet assembly and hybrid vehicle - Google Patents

Engine air inlet assembly and hybrid vehicle Download PDF

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Publication number
CN219366194U
CN219366194U CN202320983533.0U CN202320983533U CN219366194U CN 219366194 U CN219366194 U CN 219366194U CN 202320983533 U CN202320983533 U CN 202320983533U CN 219366194 U CN219366194 U CN 219366194U
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CN
China
Prior art keywords
air
air inlet
engine
extension pipe
outlet end
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Active
Application number
CN202320983533.0U
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Chinese (zh)
Inventor
王慧卿
王辉
潘永思
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Chongqing Changan Automobile Co Ltd
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Chongqing Changan Automobile Co Ltd
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Priority to CN202320983533.0U priority Critical patent/CN219366194U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

The utility model relates to the technical field of automobile accessories, in particular to an engine air inlet assembly and a hybrid electric vehicle, wherein the engine air inlet assembly is arranged in a cabin, a cover body for blocking hot air from rising and a water tank arranged below the cover body are arranged in the cabin, and the lower area of the cover body is divided into a high-temperature area and a low-temperature area from top to bottom; the engine intake assembly includes: the air inlet main pipe is arranged on the water tank and is provided with a first air inlet end and a first air outlet end, and the first air outlet end is communicated with the engine; and the extension pipe is provided with a second air inlet end and a second air outlet end, the second air outlet end is communicated with the first air inlet end of the air inlet main pipe, the second air inlet end is positioned in a low-temperature area, and the engine air inlet assembly can avoid high-temperature air from being inhaled when the engine runs at idle speed, so that the condition that the engine dynamic performance is reduced and the oil consumption is increased due to higher air inlet temperature is avoided.

Description

Engine air inlet assembly and hybrid vehicle
Technical Field
The utility model relates to the technical field of automobile accessories, in particular to an engine air inlet assembly and a hybrid power vehicle.
Background
In a plug-in hybrid electric vehicle (PHEV) model, the engine is required to charge a power battery in addition to running itself under idle conditions. This results in an increase in idle running power of the engine, an increase in heat generation, and a corresponding increase in engine compartment temperature. Since part of the hot air in the cabin flows back to the air inlet end of the engine, the air inlet temperature of the air inlet end of the engine is increased, and the increase of the air inlet temperature can lead to the reduction of the dynamic property and the increase of the oil consumption of the engine.
Disclosure of Invention
One of the purposes of the utility model is to provide an engine air intake assembly to solve the problems of the prior art that the engine dynamic performance is reduced and the oil consumption is increased due to higher air intake temperature when the engine runs at idle speed; the second object is to provide a hybrid vehicle.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the engine air inlet assembly is arranged in the engine cabin, a cover body for blocking hot air from rising and a water tank arranged below the cover body are arranged in the engine cabin, and the lower area of the cover body is divided into a high-temperature area and a low-temperature area from top to bottom; the engine intake assembly includes: the air inlet main pipe is arranged on the water tank and provided with a first air inlet end and a first air outlet end, and the first air outlet end is communicated with the engine; and the extension pipe is provided with a second air inlet end and a second air outlet end, the second air outlet end is communicated with the first air inlet end of the air inlet main pipe, and the second air inlet end is positioned in the low-temperature area.
According to the arrangement, air is sucked through the second air inlet end of the extension pipe, the air enters the engine through the extension pipe and the air inlet main pipe, the second air inlet end of the extension pipe is located in a low-temperature area, high-temperature air is prevented from being sucked when the engine runs at idle speed, and the air in the low-temperature area is prevented from being sucked, so that the condition that the engine dynamic performance is reduced and the oil consumption is increased due to the fact that the air inlet temperature is high is avoided.
Further, a partition board is arranged in the first air inlet end of the air inlet main pipe, and divides the first air inlet end into two air inlets; the second air outlet end of the extension pipe is provided with two air outlets which are respectively communicated with the two air inlets.
According to the arrangement, in order to ensure the air inflow and reduce the overall height, the length direction of the air inlet main pipe is generally longer, the first air inlet end is divided into two air inlets which are transversely arranged at intervals by the partition plate arranged inside the first air inlet end of the air inlet main pipe, the second air outlet end of the extension pipe is provided with two air outlets which are respectively communicated with the two air inlets, the air inflow is ensured, the stability of the joint of the air inlet main pipe and the extension pipe is ensured, and the extension pipe and the air inlet main pipe are prevented from deforming at the joint to influence the tightness.
Further, sealing elements are arranged at the two air outlets respectively, and the two sealing elements are abutted with the two air inlets respectively.
According to the arrangement, the sealing element is arranged between the air inlet and the air outlet, so that the sealing performance of the joint is further ensured.
Further, a mounting beam is arranged on the water tank, and the air inlet main pipe is fixed on the mounting beam.
According to the arrangement, the mounting cross beam is provided with the mounting holes, and the air inlet main pipe is fixed through the mounting holes, so that the firmness of the air inlet main pipe is ensured.
Further, the extension pipe is provided with two fixing parts which respectively face the two air outlets; the air inlet assembly further comprises two fixing assemblies arranged on the mounting cross beam, and the two fixing assemblies are respectively connected with the two fixing portions of the extension pipe.
According to the arrangement, the two fixing parts of the extension pipe are respectively fixed through the two fixing components, the two fixing parts face the two air outlets respectively, the stability of the air outlet of the extension pipe is further improved, and the deformation of the air outlet is avoided.
Further, the fixed subassembly includes mounting bracket and fastener, and the mounting bracket has first end and second end, and first end is connected with the installation crossbeam, and the second end passes through the fastener and is connected with the fixed part.
According to the arrangement, the first end of the mounting frame is connected with the mounting cross beam, and the second end of the mounting frame is connected with the fixing part through the fastener, so that the mounting is convenient.
Further, the mounting frame is provided with limiting parts, and the two limiting parts are respectively abutted with two sides of the second air outlet end.
According to the arrangement, the two mounting frames which are oppositely arranged are respectively arranged on the two sides of the second air outlet end, the shapes of the two limiting parts are matched with the shapes of the two ends of the second air outlet end, the two sides of the second air outlet end of the extension pipe can be limited, and the stability of the structure of the extension pipe is further improved.
Further, the extension pipe is provided with a bending part, and the bending part is positioned between the second air inlet end and the second air outlet end.
According to the arrangement, the first air inlet end of the air inlet main pipe is horizontally arranged, the steering of the air inlet end path is realized through the bending part of the extension pipe, and then the air inlet height is reduced to a low-temperature area.
Further, a gap is reserved between the second air outlet end of the extension pipe and the water tank.
According to the arrangement, after the extension pipe is bent through the bending part, not only is the steering of the air inlet end path realized, but also a certain gap can be reserved between the extension pipe and the water tank, so that the space is saved, the heat of the water tank is prevented from being directly transferred to the extension pipe, and the extension pipe is protected.
A hybrid vehicle includes the engine air intake assembly described above.
According to the arrangement, the engine of the hybrid electric vehicle is required to charge the power battery in addition to running under the idle working condition, so that the idle running power of the engine is increased, the generated heat is increased, the height of the air inlet is reduced to a low-temperature area through the extension pipe, the air in the low-temperature area is sucked into the engine, and further the condition that the power performance of the engine is reduced and the oil consumption is increased due to the fact that the air inlet temperature is higher is avoided.
The utility model has the beneficial effects that: according to the utility model, air is sucked through the second air inlet end of the extension pipe, and enters the engine through the extension pipe and the air inlet main pipe, and the second air inlet end of the extension pipe is positioned in a low-temperature area, so that the condition that high-temperature air is sucked in the idling operation of the engine, but the air in the low-temperature area is sucked in, and further, the condition that the engine dynamic performance is reduced and the oil consumption is increased due to higher air inlet temperature is avoided.
Drawings
Fig. 1 shows a schematic perspective view of an engine air intake assembly, a hood and a water tank according to an embodiment of the present disclosure;
fig. 2 shows a schematic structural diagram of a plane of a water tank and an air inlet main pipe according to an embodiment of the present application;
FIG. 3 is a schematic cross-sectional view of an engine intake assembly, a hood and a water tank according to an embodiment of the present disclosure;
fig. 4 shows a schematic perspective view of an engine air intake assembly and a water tank according to an embodiment of the present disclosure;
fig. 5 shows a schematic perspective view of an extension tube, seal and fixation assembly provided in an embodiment of the present application.
S1, a high-temperature area; s2, a low-temperature region;
1. an air inlet main pipe; 11. a first air inlet end; 111. an air inlet; 12. a first outlet end; 13. a partition plate;
2. an extension tube; 21. a second air inlet end; 22. a second outlet end; 221. an air outlet; 23. a fixing part; 24. a bending part;
3. a seal;
4. a fixing assembly; 41. a mounting frame; 411. a first end; 412. a second end; 413. a limit part; 42. a fastener;
5. a cover body;
6. a water tank; 61. and (5) installing a cross beam.
Detailed Description
Further advantages and effects of the present utility model will become readily apparent to those skilled in the art from the disclosure herein, by referring to the accompanying drawings and the preferred embodiments. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
In the related art, a fuel plate type vehicle type, an engine air inlet is arranged on an upper cross member of a water tank, where the position is slightly higher than the position of the engine. As the air rises due to heating, the front cover is in a closed state, and the hot air is blocked by the front cover and dissipates heat along the inner wall of the front cover. Because the engine air inlet is positioned right below the front cover and is in the hot air range, part of hot air expands and flows back to the engine air inlet. In the fuel version vehicle type and the engine idling state, part of hot air flows back to the air inlet of the engine, but the hot air temperature is moderate, and cold air entering from outside the vehicle is mixed, so that the air inlet temperature is moderate, and the influence on the engine dynamic property and the oil consumption is small.
The PHEV model, the engine drives the generator to charge the power battery besides running under the idle working condition, so that the power of the engine in the idle state is increased compared with that of the fuel version model, the generated heat is also increased, the temperature of hot air diffused and reflowed to the air inlet of the engine is correspondingly increased, the temperature of air inlet is increased, and through analysis and test, the power performance and the fuel economy of the engine are slightly influenced by the hot air at the temperature.
As shown in fig. 1-5, the present embodiment provides an engine intake assembly, which is disposed in a cabin, wherein a cover 5 for blocking hot air from rising and a water tank 6 disposed below the cover 5 are disposed in the cabin, and a lower region of the cover 5 is divided into a high temperature region S1 and a low temperature region S2 from top to bottom; the engine intake assembly includes: the air inlet main pipe 1 is arranged on the water tank 6, the air inlet main pipe 1 is provided with a first air inlet end 11 and a first air outlet end 12, and the first air outlet end 12 is communicated with the engine; and an extension pipe 2, the extension pipe 2 having a second inlet end 21 and a second outlet end 22, the second outlet end 22 being in communication with the first inlet end 11 of the inlet main pipe 1, the second inlet end being located in the low temperature region S2.
In this application, through the second inlet end 21 of extension pipe 2 inhale air, air gets into the engine through extension pipe 2 and air inlet main pipe 1, and the second inlet end 21 of extension pipe 2 is located low temperature region S2, avoids the engine to inhale high temperature gas when idling operation, but inhales low temperature region S2' S air, and then avoids the higher condition that leads to the fact engine dynamic nature to descend and oil consumption to increase of air inlet temperature.
In some embodiments, a partition 13 is disposed inside the first air inlet end 11 of the air inlet main pipe 1, and the partition 13 divides the first air inlet end 11 into two air inlets 111; the second outlet end 22 of the extension pipe 2 has two outlet openings 221, and the two outlet openings 221 are respectively communicated with the two inlet openings 111.
In this application, in order to guarantee the air input and reduce whole height, the air inlet is responsible for 1 and is generally set to the platykurtic, length direction is generally longer, through the inside air inlet 111 that sets up baffle 13 into two horizontal interval settings with first inlet end 11 of being responsible for 1 that admits air, the second of extension pipe 2 gives vent to anger end 22 has two gas outlets 221, communicate with two air inlets 111 respectively, both guaranteed the air input, have guaranteed the stability of air inlet and being responsible for 1 and extension pipe 2 junction, avoid extension pipe 2 and air inlet to be responsible for 1 and take place to warp and influence the leakproofness at the junction.
Specifically, the partition 13 is vertically disposed in the air inlet main pipe 1, separates the first air inlet end 11 of the air inlet main pipe 1 into the left air inlet 111 and the right air inlet 111, and the extension pipe 2 is integrally formed by injection molding, and directly passes through the two air outlets 221 to the two air inlets 111 of the air inlet main pipe 1, so that the stability of the joint of the air inlet main pipe 1 and the extension pipe 2 is ensured.
In some embodiments, the two air outlets 221 are respectively provided with seals 3, and the two seals 3 respectively abut against the two air inlets 111.
In this application, by providing the seal 3 between the air inlet 111 and the air outlet 221, the tightness of the connection is ensured in some embodiments.
Specifically, the sealing element 3 adopts EPDM open-pore foaming, is stuck to the air outlet 221 of the extension pipe 2 through back glue, and then is in butt joint with the air inlet 111 of the air inlet main pipe 1, so that the tightness between the air inlet 111 and the air outlet 221 is ensured.
In some embodiments, the water tank 6 is provided with a mounting cross member 61, and the intake main pipe 1 is fixed to the mounting cross member 61.
In this application, be provided with the mounting hole on the installation crossbeam 61, fix the air inlet main pipe 1 through the mounting hole, guarantee the fastness of air inlet main pipe 1.
Specifically, the current vehicle type generally fixes the main intake pipe 1 on the mounting beam 61 above the water tank 6, and because the height of the air inlet 111 is higher and is located in the high temperature area S1 below the cover 5, the extension pipe 2 is arranged to connect the air inlet 111 of the main intake pipe 1, so that the actual air inlet position is reduced to the low temperature area S2, the air sucked into the engine is ensured to be low temperature air, and the influence on the power performance of the engine is avoided.
In some embodiments, the extension pipe 2 has two fixing portions 23, the two fixing portions 23 respectively facing the two air outlets 221; the air intake assembly further comprises two fixing assemblies 4 arranged on the mounting cross beam 61, and the two fixing assemblies 4 are respectively connected with the two fixing parts 23 of the extension pipe 2.
In this application, two fixing parts 23 of the extension pipe 2 are respectively fixed by two fixing components 4, and the two fixing parts 23 face two air outlets 221 respectively, so that stability of the air outlet 221 of the extension pipe 2 is improved in some embodiments, and deformation of the air outlet 221 is avoided.
Specifically, since the second air outlet end 22 of the extension pipe 2 has two air outlets 221, and the whole extension pipe is flat, the two fixing parts 23 of the extension pipe 2 are respectively fixed by the two fixing components 4, and the two fixing parts 23 respectively correspond to the two air outlets 221, so that the two air outlets 221 are not deformed due to self gravity or other external interference, and the connection firmness of the extension pipe 2 and the air inlet main pipe 1 is further ensured.
Further, the fixing assembly 4 includes a mounting bracket 41 and a fastener 42, the mounting bracket 41 has a first end 411 and a second end 412, the first end 411 is connected to the mounting beam 61, and the second end 412 is connected to the fixing portion 23 by the fastener 42.
In this application, the first end 411 of the mounting bracket 41 is connected to the mounting beam 61, and the second end 412 is connected to the fixing portion 23 by the fastening member 42, so that the mounting is facilitated.
Specifically, the fastener 42 is a rivet, and the second end 412 of the mounting bracket 41 is connected to the fixing portion 23 of the extension pipe 2 by the rivet.
Alternatively, the fastener 42 may be a fastening bolt or the like.
In some embodiments, the mounting frame 41 has a limiting portion 413, and the two limiting portions 413 respectively abut against two sides of the second air outlet end 22.
In this application, through the mounting bracket 41 that two relative settings set up respectively in the both sides of second end 22 of giving vent to anger, two spacing portion 413 shapes and the shape looks adaptation at second end 22 both ends of giving vent to anger, can also carry out spacing to the both sides of extension pipe 2 second end 22 of giving vent to anger, improve the stability of extension pipe 2 structure in some embodiments.
Specifically, a limiting portion 413 is disposed between the first end 411 and the second end 412 of the mounting frame 41, the shape of the limiting portion 413 is matched with the shape of two ends of the second air outlet end 22 of the extension tube 2, after the mounting frame 41 completes fixing the fixing portion 23 of the extension tube 2, the limiting portion 413 abuts against two ends of the second air outlet end 22, and two ends of the extension tube 2 can be limited, so that the stabilizing effect on the extension tube 2 is further improved.
In some embodiments, extension tube 2 has a bend 24, bend 24 being located between second inlet end 21 and second outlet end 22.
In this application, the first air inlet end 11 of the air inlet main pipe 1 is horizontally arranged, and the air inlet end path is turned through the bending part 24 of the extension pipe 2, so that the air inlet height is reduced to the low temperature area S2.
In some embodiments, a gap is left between the second outlet end 22 of the extension tube 2 and the water tank 6.
In this application, extension pipe 2 is buckled the back through kink 24, both realized the steering of inlet end way, can guarantee again to remain certain clearance between extension pipe 2 and the water tank 6, saves space, avoids the heat of water tank 6 to directly transmit for extension pipe 2 moreover, protects extension pipe 2.
According to the engine air inlet assembly, air is sucked through the second air inlet end 21 of the extension pipe 2, the air enters the engine through the extension pipe 2 and the air inlet main pipe 1, the second air inlet end 21 of the extension pipe 2 is located in the low-temperature area S2, high-temperature air is prevented from being sucked when the engine runs at idle speed, and the air in the low-temperature area S2 is prevented from being sucked, so that the condition that engine dynamic performance is reduced and oil consumption is increased due to high air inlet temperature is avoided.
The embodiment of the application provides a hybrid vehicle, which comprises the engine air inlet assembly.
In this application, hybrid vehicle' S engine is under idle condition, except that self operation, still need charge for power battery, and this leads to the idle running power of engine to increase, and the heat that produces increases, reduces the high of admitting air to low temperature region S2 through extension pipe 2, inhales the air in low temperature region S2 in the engine, and then avoids admitting air temperature higher and causes the condition that engine dynamic nature descends and the oil consumption increases.
It should be noted that references in the specification to "one embodiment," "an example instance," "some embodiments," etc., indicate that the embodiment may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. An engine air inlet assembly is arranged in a cabin, a cover body (5) for blocking hot air from rising and a water tank (6) arranged below the cover body (5) are arranged in the cabin, and the lower area of the cover body (5) is divided into a high-temperature area and a low-temperature area from top to bottom; the engine air intake assembly is characterized by comprising:
the air inlet main pipe (1) is arranged on the water tank (6), the air inlet main pipe (1) is provided with a first air inlet end (11) and a first air outlet end (12), and the first air outlet end (12) is communicated with an engine; and
extension pipe (2), extension pipe (2) have second inlet end (21) and second end (22) of giving vent to anger, second end (22) of giving vent to anger with first inlet end (11) intercommunication of air inlet main pipe (1), second inlet end (21) are located the low temperature region.
2. The engine air intake assembly according to claim 1, characterized in that a partition plate (13) is arranged inside the first air intake end (11) of the air intake main pipe (1), and the partition plate (13) divides the first air intake end (11) into two air inlets (111);
the second air outlet end (22) of the extension pipe (2) is provided with two air outlets (221), and the two air outlets (221) are respectively communicated with the two air inlets (111).
3. Engine intake assembly according to claim 2, wherein two of the air outlets (221) are provided with seals (3), respectively, and wherein two of the seals (3) abut with the two air inlets (111), respectively.
4. An engine air intake assembly according to claim 3, characterized in that the water tank (6) is provided with a mounting cross member (61), and the air intake main pipe (1) is fixed to the mounting cross member (61).
5. The engine intake assembly according to claim 4, wherein the extension pipe (2) has two fixing portions (23), the two fixing portions (23) being directed toward the two air outlets (221), respectively;
the air inlet assembly further comprises two fixing assemblies (4) arranged on the mounting cross beam (61), and the two fixing assemblies (4) are respectively connected with the two fixing parts (23) of the extension pipe (2).
6. The engine intake assembly of claim 5, wherein the securing member (4) includes a mounting bracket (41) and a fastener (42), the mounting bracket (41) having a first end (411) and a second end (412), the first end (411) being connected to the mounting beam (61), the second end (412) being connected to the securing portion (23) by the fastener (42).
7. The engine air intake assembly according to claim 6, wherein the mounting frame (41) has a limiting portion (413), and the two limiting portions (413) are respectively abutted to both sides of the second air outlet end (22).
8. The engine intake assembly of claim 1, wherein the extension tube (2) has a bend (24), the bend (24) being located between the second intake end (21) and the second outlet end (22).
9. Engine intake assembly according to claim 1, wherein a gap is left between the second outlet end (22) of the extension pipe (2) and the water tank (6).
10. A hybrid vehicle comprising an engine intake assembly according to any one of claims 1-9.
CN202320983533.0U 2023-04-26 2023-04-26 Engine air inlet assembly and hybrid vehicle Active CN219366194U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320983533.0U CN219366194U (en) 2023-04-26 2023-04-26 Engine air inlet assembly and hybrid vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320983533.0U CN219366194U (en) 2023-04-26 2023-04-26 Engine air inlet assembly and hybrid vehicle

Publications (1)

Publication Number Publication Date
CN219366194U true CN219366194U (en) 2023-07-18

Family

ID=87148232

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320983533.0U Active CN219366194U (en) 2023-04-26 2023-04-26 Engine air inlet assembly and hybrid vehicle

Country Status (1)

Country Link
CN (1) CN219366194U (en)

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