CN222962942U - Vehicle engine assembly and vehicle - Google Patents
Vehicle engine assembly and vehicle Download PDFInfo
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- CN222962942U CN222962942U CN202422383136.7U CN202422383136U CN222962942U CN 222962942 U CN222962942 U CN 222962942U CN 202422383136 U CN202422383136 U CN 202422383136U CN 222962942 U CN222962942 U CN 222962942U
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Abstract
本申请公开了一种车辆的发动机总成和车辆，所述发动机总成包括：缸盖和凸轮轴承盖，所述缸盖与所述凸轮轴承盖连接且内部形成有与发动机总成的缸体连通的油池；油气分离件，所述油气分离件设置于所述凸轮轴承盖上，且所述油气分离件具有第一进气口、第一出气口和第一出油口，所述第一进气口与所述发动机总成的正时腔连通，所述第一出油口与所述油池连通，所述第一出气口与所述发动机总成的外界连通。根据本申请实施例的车辆的发动机总成，该发动机总成通过改变油气分离件的取气位置以提高油气分离效率。
The present application discloses an engine assembly of a vehicle and a vehicle, wherein the engine assembly comprises: a cylinder head and a cam bearing cover, wherein the cylinder head is connected to the cam bearing cover and has an oil pool formed therein which is connected to the cylinder body of the engine assembly; and an oil-gas separator, wherein the oil-gas separator is arranged on the cam bearing cover and has a first air inlet, a first air outlet and a first oil outlet, wherein the first air inlet is connected to the timing chamber of the engine assembly, the first oil outlet is connected to the oil pool, and the first air outlet is connected to the outside of the engine assembly. According to the engine assembly of a vehicle of an embodiment of the present application, the engine assembly improves the oil-gas separation efficiency by changing the air intake position of the oil-gas separator.
Description
Technical Field
The application relates to the field of vehicles, in particular to an engine assembly of a vehicle and the vehicle.
Background
In the related art, the oil-gas separator assembly is the most important part in a crankcase ventilation system, the existing oil-gas separator is arranged on a cam bearing cover, after the oil-gas separator takes gas from the inside of a cylinder cover oil pool, the separated engine oil is discharged back into the cylinder cover oil pool through an oil return hole after the crankcase blowby gas is separated, and the residual crankcase blowby gas enters a supercharger for circulation through an air outlet, so that the oil-gas separation is completed, but because a cam shaft is further arranged above the cylinder cover, the cam shaft can drive the engine oil in the oil pool to generate an oil stirring phenomenon when rotating, so that the original engine oil in the gas has large carrying capacity and is unfavorable for the oil-gas separation.
Disclosure of utility model
The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, it is an object of the present application to provide an engine assembly for a vehicle that improves the oil-gas separation efficiency by changing the gas taking position of an oil-gas separation member.
The application further provides a vehicle with the engine assembly.
The engine assembly of the vehicle comprises a cylinder cover and a cam bearing cover, wherein the cylinder cover is connected with the cam bearing cover, an oil pool communicated with a cylinder body of the engine assembly is formed inside the cylinder cover, an oil-gas separation piece is arranged on the cam bearing cover and provided with a first air inlet, a first air outlet and a first oil outlet, the first air inlet is communicated with a timing cavity of the engine assembly, the first oil outlet is communicated with the oil pool, and the first air outlet is communicated with the outside of the engine assembly.
According to the engine assembly of the vehicle, which is provided with the oil-gas separation part, the oil-gas separation part is provided with the first air inlet and the first oil outlet, the first air inlet can be communicated with the timing cavity of the engine assembly, the first oil outlet can be communicated with the oil sump, so that oil-gas mixture in the timing cavity is subjected to oil-gas separation, and separated engine oil is conveyed into the oil sump to complete lubrication.
In some embodiments of the application, the cam bearing cover has a vent passage formed therein and a second air intake port, the vent passage communicating between the first air intake port and the second air intake port, the second air intake port opening into the timing chamber.
In some embodiments of the application, the second air inlet has a cross-sectional area S in a direction perpendicular to the extension of the ventilation channel and satisfies 1000mm 2≤S≤1500mm2.
In some embodiments of the application, a first oil deflector extending into the timing chamber is formed on the cam bearing cover, a timing chain is arranged in the timing chamber, and the first oil deflector is positioned between the timing chain and the second air inlet.
In some embodiments of the present application, a second oil baffle plate is further disposed on a part of the inner wall of the ventilation channel, the second oil baffle plate extends towards a direction perpendicular to the extending direction of the ventilation channel, a free end of the second oil baffle plate is spaced from another part of the inner wall of the ventilation channel to form a communication hole, and the second oil baffle plate is adapted to divide the ventilation channel into an air intake channel and an oil return channel, the air intake channel is communicated with the oil return channel through the communication hole, and the air intake channel is communicated with the first air intake.
In some embodiments of the present application, a first oil return hole that communicates the oil return passage with the oil sump is formed in the cam bearing cover.
In some embodiments of the application, an oil return cavity is formed on the cam bearing cover, the oil-gas separation piece is provided with a first separation part, an inlet of the first separation part is communicated with the first air inlet, the first separation part is provided with a second air outlet and a second oil outlet, and the second oil outlet is communicated with the oil return cavity.
In some embodiments of the application, the oil-gas separator further has a second separator, an inlet of the second separator communicates with the second air outlet, an outlet of the second separator communicates with the first air outlet and the first oil outlet, and the first oil outlet communicates with the oil return chamber.
In some embodiments of the present application, a second oil return hole that communicates the oil return chamber with the oil sump is formed in the cam bearing cover.
The following briefly describes a vehicle according to an embodiment of the present application.
The vehicle according to the embodiment of the application is provided with the engine assembly of the above embodiment, and since the vehicle of the embodiment of the application is provided with the engine assembly of the above embodiment, the engine assembly of the vehicle is provided with the oil-gas separation member that can perform oil-gas separation on the oil-gas mixture in the timing chamber, and the separated engine oil is conveyed into the oil pool to finish lubrication, compared with the prior art, the engine oil content of the gas in the timing cavity is far smaller than that of the gas in the oil pool, the original engine oil carrying quantity is reduced, so that the oil-gas separation part can carry out oil-gas separation on the gas carrying the engine oil, the separation efficiency of the oil-gas separation part is improved, and the performance of a vehicle is improved.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic cross-sectional view of an engine assembly according to an embodiment of the present disclosure;
FIG. 2 is a schematic cross-sectional view at A-A of FIG. 1;
fig. 3 is a schematic cross-sectional view at B-B in fig. 1.
Reference numerals:
10. An engine assembly;
11. cam bearing cap, 111, ventilation channel, 1111, air intake channel, 1112, oil return channel;
112. A second air inlet; 113, a first oil baffle plate, 114, a second oil baffle plate, 115, a communication hole;
116. 117, oil return cavity;
12. An oil-gas separation member; 121, a first air inlet, 122, a first air outlet, 123, a first oil outlet;
124. a first separation part and 125, a second separation part.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.
An engine assembly 10 of a vehicle according to an embodiment of the present application is described below with reference to fig. 1 to 3, the engine assembly 10 including a cylinder head, a cam bearing cap 11, and an oil-gas separator 12, the cylinder head being connected to the cam bearing cap 11 and having an oil sump formed therein that communicates with a cylinder block of the engine assembly 10, the oil-gas separator 12 being provided on the cam bearing cap 11, and the oil-gas separator 12 having a first air inlet 121, a first air outlet 122, and a first oil outlet 123, the first air inlet 121 communicating with a timing chamber of the engine assembly 10, the first oil outlet 123 communicating with the oil sump, the first air outlet 122 communicating with an outside of the engine assembly 10.
At present, the oil-gas separator is arranged on the cam bearing cover, after the oil-gas separator takes gas from the cylinder cover oil sump, the separated engine oil is discharged back to the cylinder cover oil sump through the oil return hole after the oil-gas separator separates the crankcase blow-by gas, and the residual crankcase blow-by gas enters the supercharger for circulation through the gas outlet, so that the oil-gas separation is completed, but because the cam shaft is further arranged above the cylinder cover, the cam shaft can drive the engine oil in the oil sump to generate an oil stirring phenomenon when rotating, so that the original engine oil in the gas has large carrying quantity, and the oil-gas separation is not facilitated.
As shown in fig. 1, in particular, the engine assembly 10 may include a cylinder head and a cam bearing cover 11, the cylinder head may be disposed above a cylinder body, and the cylinder head and the cam bearing cover 11 may be connected by bolts, a closed chamber may be formed between the cylinder head and the cam bearing cover 11 for mounting a cam shaft of the engine assembly 10, an oil sump may be further formed between the cylinder head and the cam bearing cover 11, the oil sump may be used for storing engine oil, and the oil sump may be communicated with the cylinder body for lubrication and heat dissipation, the cam shaft may be partially or entirely located in the oil sump, and the cam shaft may carry a portion of engine oil when rotating, increasing the engine oil content of the gas in the chamber while ensuring lubrication of the cam shaft.
The oil-gas separation member 12 may be disposed on the cam bearing cover 11, and the oil-gas separation member 12 may have a first air inlet 121, a first air outlet 122 and a first oil outlet 123, further, the first air inlet 121 may be communicated with a timing cavity of the engine assembly 10, it should be noted that the timing cavity may be located at a side of the cylinder body, and a timing chain may be disposed in the timing cavity, compared with an oil sump, the amount of oil carried by gas in the timing cavity is small, the oil-gas separation is easier to be performed, the first oil outlet 123 may be communicated with the oil sump, it may be understood that the oil generated after the oil-gas separation member 12 is separated may be left in the oil sump, so as to implement the circulation flow of the oil, the first air outlet 122 may be communicated with the outside of the engine assembly 10, the outside may refer to the casing of the engine assembly 10, the gas separated by the oil-gas separation member 12 may be directly discharged to the outside, or the gas separated by the oil-gas separation member 12 may be discharged to the supercharger for the circulation flow of the gas. Therefore, the engine oil at the oil pan of the engine assembly 10 can flow into the timing cavity and lubricate the timing chain, the oil-gas mixture in the timing cavity can be separated by the oil-gas separating piece 12, the separated engine oil can flow into the oil pool and lubricate the cam shaft, the engine oil in the oil pool can also flow into the cylinder body to realize the lubrication and heat dissipation effects, and finally flows back to the oil pan, so that the circulation flow of the engine oil is realized.
In short, the engine assembly 10 of the embodiment of the application is provided with the oil-gas separation member 12, the oil-gas separation member 12 is provided with the first air inlet 121 and the first oil outlet 123, the first air inlet 121 can be communicated with the timing cavity of the engine assembly 10, and the first oil outlet 123 can be communicated with the oil sump, so that the oil-gas mixture in the timing cavity is subjected to oil-gas separation, and separated engine oil is conveyed into the oil sump to complete lubrication.
As shown in fig. 1, in some embodiments of the present application, a ventilation channel 111 and a second air inlet 112 may be formed on the cam bearing cover 11, the ventilation channel 111 may be connected between the first air inlet 121 and the second air inlet 112, and the second air inlet 112 may be opened toward the timing chamber, it may be appreciated that gas in the timing chamber may flow into the ventilation channel 111 through the second air inlet 112 and then flow from the ventilation channel 111 to the first air inlet 121, so as to perform oil-gas separation on the gas, and it should be noted that the ventilation channel 111 and the second air inlet 112 may be a part of the cam bearing cover 11, and the existing oil-gas separation member 12 adopts a separate pipeline or pipeline for air intake.
As shown in fig. 2, in some embodiments of the present application, the cross-sectional area of the second air inlet 112 is S, which satisfies the relation of 1000mm 2≤S≤1500mm2, it should be noted that, the cross-section of the second air inlet 112 may be a cross-section perpendicular to the extending direction of the breather passage 111, that is, the cross-sectional area of the second air inlet 112 may be any value between 1000mm 2 and 1500mm 2, for example, the cross-sectional area of the second air inlet 112 may be, but is not limited to, 1000mm 2、1100mm2、1200mm2、1300mm2、1400mm2、1500mm2, etc., and due to the limited area of the cam bearing cover 11, if the cross-sectional area of the second air inlet 112 is too large, the engine oil is thrown into the breather passage 111 during rotation of the timing chain and the engine oil carrying capacity is increased, and if the cross-sectional area of the second air inlet 112 is too small, the oil-gas separation efficiency is low, which is unfavorable for the circulation of the engine oil, and therefore, setting the cross-sectional area of the second air inlet 112 in the above range may reduce the original engine oil carrying capacity, so that the oil-carrying gas of the oil-gas separator 12 can be separated from the engine oil.
As shown in fig. 2, in some embodiments of the present application, a first oil baffle 113 may be formed on the cam bearing cover 11, the first oil baffle 113 may extend toward the inside of the timing chamber, and a timing chain may be disposed in the timing chamber, and the first oil baffle 113 may be located between the timing chain and the second air inlet 112, it may be appreciated that the timing chain may drive part of the crude oil when rotating clockwise, and the first oil baffle 113 may block the engine oil thrown out along with the movement of the timing chain, thereby reducing the original engine oil carrying amount.
As shown in fig. 3, in some embodiments of the present application, a portion of the inner wall of the ventilation channel 111 may be further provided with a second oil baffle 114, the second oil baffle 114 may extend toward a direction perpendicular to the extending direction of the ventilation channel 111, and a free end of the second oil baffle 114 may be spaced apart from another portion of the inner wall of the ventilation channel 111 to form a communication hole 115, and it should be noted that the second oil baffle 114 may block engine oil entering with gas in the ventilation channel 111, so that the gas may directly enter the first air inlet 121, and the blocked engine oil may continue to flow through the communication hole 115.
Further, as shown in fig. 1, the second oil baffle 114 can divide the ventilation passage 111 into an intake passage 1111 and an oil return passage 1112, the intake passage 1111 can communicate with the oil return passage 1112 through the communication hole 115, the intake passage 1111 can communicate with the first intake port 121 and the second intake port 112, it can be understood that gas in the timing chamber can flow to the intake passage 1111 through the second intake port 112, part of engine oil carried by gas in the intake passage 1111 when flowing can be blocked by the second oil baffle 114, so that engine oil flows downward, and the remaining gas can flow to the oil-gas separator 12 through the first intake port 121 for oil-gas separation. The cam bearing cover 11 may further be formed with a first oil return hole 116, where the first oil return hole 116 can communicate the oil return channel 1112 with the oil sump, that is, the engine oil in the oil return channel 1112 can flow into the oil sump through the first oil return hole 116, so that the engine oil covered by the second oil baffle 114 can flow into the oil return channel 1112 through the communication hole 115, and then flow into the oil sump from the oil return channel 1112 through the first oil return hole 116.
As shown in fig. 1, in some embodiments of the present application, the cam bearing cover 11 may be formed with an oil return chamber 117, and the cam bearing cover 11 may be formed with a second oil return hole, where the second oil return hole may be capable of communicating the oil return chamber 117 with the oil sump, that is, the oil in the oil return chamber 117 may flow into the oil sump through the second oil return hole. The oil-gas separator 12 may have a first separation portion 124, the first separation portion 124 may be configured as a coarse separation, and an inlet of the first separation portion 124 may be in communication with the first air inlet 121, the first separation portion 124 may have a second air outlet and a second oil outlet, the second oil outlet may be in communication with the oil return chamber 117, and the oil separated by the first separation portion 124 may flow into the oil return chamber 117 through the second oil outlet, and then flow from the oil return chamber 117 into the oil pool.
As shown in fig. 1, in some embodiments of the present application, the oil-gas separator 12 further has a second separation part 125, the second separation part 125 may be configured to be finely and coarsely separated, an inlet of the second separation part 125 may be communicated with a second air outlet, the gas after oil-gas separation by the first separation part 124 may be further separated by the second separation part 125, an outlet of the second separation part 125 may be communicated with the first air outlet 122 and the first oil outlet 123, the gas after separation by the second separation part 125 may flow out through the first air outlet 122 and the first oil outlet 123, respectively, and the gas may be directly discharged to the outside through the first air outlet 122, or may be circulated by being discharged to a supercharger through the first air outlet 122. The oil separated by the second separation portion 125 may flow through the first oil outlet 123 into the oil return chamber 117, and then flow from the oil return chamber 117 into the oil sump, thereby realizing circulation of the oil.
The following briefly describes a vehicle according to an embodiment of the present application.
The vehicle according to the embodiment of the application is provided with the engine assembly 10 of the embodiment, and because the vehicle according to the embodiment of the application is provided with the engine assembly 10 of the embodiment, the engine assembly 10 of the vehicle is provided with the oil-gas separation member 12, the oil-gas separation member 12 can separate oil and gas of the oil mixture in the timing cavity and convey separated engine oil into the oil sump to complete lubrication, compared with the prior art, the engine oil content of gas in the timing cavity is far smaller than the engine oil content of gas in the oil sump, the original engine oil carrying amount is reduced, so that the oil-gas separation member 12 can separate the oil from the gas carrying engine oil conveniently, the separation efficiency of the oil-gas separation member 12 is improved, and the performance of the vehicle is improved.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
In the description of the application, a "first feature" or "second feature" may include one or more of such features.
In the description of the present application, "plurality" means two or more.
In the description of the application, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.
In the description of the application, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.
Claims (10)
1. An engine assembly for a vehicle, comprising:
A cylinder cover and a cam bearing cover (11), wherein the cylinder cover is connected with the cam bearing cover (11) and is internally provided with an oil pool communicated with a cylinder body of an engine assembly;
the oil-gas separation piece (12), oil-gas separation piece (12) set up in on the cam bearing lid (11), just oil-gas separation piece (12) have first air inlet (121), first gas outlet (122) and first oil-out (123), first air inlet (121) with engine assembly's timing chamber intercommunication, first oil-out (123) with oil sump intercommunication, first gas outlet (122) with engine assembly's external intercommunication.
2. The engine assembly of a vehicle according to claim 1, characterized in that a breather passage (111) and a second intake port (112) are formed in the cam bearing cover (11), the breather passage (111) communicating between the first intake port (121) and the second intake port (112), the second intake port (112) being open toward the timing chamber.
3. The engine assembly of a vehicle according to claim 2, characterized in that the second air intake (112) has a cross-sectional area S in a direction perpendicular to the extension of the ventilation channel (111) and satisfies 1000mm 2≤S≤1500mm2.
4. The engine assembly of a vehicle according to claim 2, characterized in that a first oil baffle (113) extending into the timing chamber is formed on the cam bearing cover (11), a timing chain is provided in the timing chamber, and the first oil baffle (113) is located between the timing chain and the second air intake (112).
5. The engine assembly of a vehicle according to claim 2, wherein a part of an inner wall of the vent passage (111) is further provided with a second oil baffle plate (114), the second oil baffle plate (114) extending toward a direction perpendicular to an extending direction of the vent passage (111), a free end of the second oil baffle plate (114) being disposed apart from another part of the inner wall of the vent passage (111) to form a communication hole (115), wherein
The second oil baffle (114) is adapted to partition the ventilation passage (111) into an intake passage (1111) and an oil return passage (1112), the intake passage (1111) and the oil return passage (1112) communicating through the communication hole (115), the intake passage (1111) communicating with the first intake port (121).
6. The engine assembly of a vehicle according to claim 5, characterized in that the cam bearing cover (11) is formed with a first oil return hole (116) that communicates the oil return passage (1112) with the oil reservoir.
7. The engine assembly of a vehicle according to claim 1, characterized in that an oil return chamber (117) is formed on the cam bearing cap (11);
The oil-gas separation part (12) is provided with a first separation part (124), an inlet of the first separation part (124) is communicated with the first air inlet (121), the first separation part (124) is provided with a second air outlet and a second oil outlet, and the second oil outlet is communicated with the oil return cavity (117).
8. The engine assembly of a vehicle according to claim 7, characterized in that the oil and gas separator (12) further has a second separator (125), an inlet of the second separator (125) being in communication with the second air outlet, an outlet of the second separator (125) being in communication with the first air outlet (122) and a first oil outlet (123), the first oil outlet (123) being in communication with the oil return chamber (117).
9. The engine assembly of a vehicle according to claim 8, characterized in that a second oil return hole that communicates the oil return chamber (117) with the oil sump is formed on the cam bearing cover (11).
10. A vehicle comprising the engine assembly of the vehicle of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422383136.7U CN222962942U (en) | 2024-09-29 | 2024-09-29 | Vehicle engine assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422383136.7U CN222962942U (en) | 2024-09-29 | 2024-09-29 | Vehicle engine assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222962942U true CN222962942U (en) | 2025-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422383136.7U Active CN222962942U (en) | 2024-09-29 | 2024-09-29 | Vehicle engine assembly and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN222962942U (en) |
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- 2024-09-29 CN CN202422383136.7U patent/CN222962942U/en active Active
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