Supercharger, supercharger system and engine
By providing a gas pipe assembly with uniform upper and lower dimensions on the exhaust pipe side of the supercharger body and adopting an asymmetric design on the intake part, the problems of low versatility and high cost caused by the asymmetry of the exhaust pipe side of the existing supercharger are solved, and a lower cost and higher practical supercharger design is achieved.
Patent Information
- Application Number
- CN202421514262.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The exhaust pipe side of the existing supercharger is designed to be asymmetric, resulting in the definite sized exhaust pipe side that can only correspond to the corresponding supercharger, reducing the versatility of the supercharger and increasing costs.
A tracheal assembly is provided on the exhaust pipe side of the supercharger body. The tracheal assembly has an intake end and an outlet end that is far away from each other, and the intake end and the outlet end are the same size to ensure that the size of the exhaust flow passage is consistent up and down. At the same time, the intake part of the supercharger body adopts an asymmetric design.
Through the above design, the phenomenon of different size requirements in the production process is reduced, manufacturing costs are saved, and the scope of application of the air pipe assembly is expanded, and the practicality and versatility of the supercharger is improved.
Smart Images
Figure CN222633310U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of superchargers, in particular to a supercharger, a supercharger system and an engine. Background Art
[0002] A supercharger is a device used by an engine to increase the cylinder intake pressure. When in use, it can increase the engine's specific power. Specifically, when the engine displacement remains unchanged, the supercharger can increase the intake density, allowing the engine to spray more fuel, thereby increasing the engine's power. However, the exhaust pipe side of an existing supercharger usually uses an asymmetric design, that is, the exhaust pipe side of the supercharger has a large and a small flow channel of different sizes. However, the two flow channels of different sizes will lead to greater limitations on the use of the exhaust pipe side, so that the exhaust pipe side of a certain size can only be used with a supercharger of a corresponding size, which reduces the versatility of the supercharger and increases the cost of the supercharger to a certain extent. Utility Model Content
[0003] The embodiment of the utility model discloses a supercharger, a supercharger system and an engine, which are used to reduce the cost of the supercharger and improve the practicability of the supercharger.
[0004] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides the following technical solutions:
[0005] In a first aspect, the utility model provides a supercharger, comprising: a supercharger body, an air pipe assembly;
[0006] A gas guide channel is provided inside the supercharger body, and the gas pipe assembly is connected to the gas guide channel;
[0007] The gas flow guiding channel has an air inlet end facing the air pipe assembly, and the air pipe assembly has an air outlet end facing the gas flow guiding channel, and the size of the air inlet end is larger than the size of the air outlet end;
[0008] The air pipe assembly also has an air inlet end arranged away from the air outlet end, and the air outlet end has the same size as the air inlet end.
[0009] The present application provides an air pipe assembly on the exhaust pipe side of the supercharger body, wherein the air pipe assembly has an air inlet end and an air outlet end that are far away from each other, and the air inlet end and the air outlet end have the same size, that is, the size of the exhaust flow channel on the exhaust pipe side of the present application is consistent from top to bottom, ensuring that the gas can be discharged smoothly. In addition, the supercharger body of the present application is provided with a gas guide channel with an air inlet end, wherein the gas guide channel is used to communicate with the engine, but the size of the air inlet end is larger than the size of the air outlet end, that is, the air inlet part of the supercharger body of the present application adopts an asymmetric design, which ensures the reliability of gas impact in the exhaust system under high temperature conditions. In summary, the air inlet part of the supercharger body of the present application adopts an asymmetric design, and the exhaust pipe side adopts an air pipe assembly of the same size, so that there is no need to use different curing temperatures and times, which reduces costs during the production process, and makes the air pipe assembly of the present application more applicable, thereby improving the practicality of the supercharger body.
[0010] In some embodiments, the gas flow guiding channel further includes a flow guiding section connected to the gas inlet end;
[0011] The size of the air inlet end is R, and the length of the guide section in the extension direction is L;
[0012] The R and L satisfy the following relationship: L≥0.9R.
[0013] In some embodiments, the gas flow guiding channel further includes an inner flow channel connected to the flow guiding section, and the inner flow channel is connected to the engine.
[0014] In some embodiments, the air pipe assembly includes two air pipe bodies, wherein the air outlet end is composed of two openings of the air pipe bodies facing the supercharger body, the air inlet end is composed of two openings of the air pipe bodies away from the supercharger body, and the two air pipe bodies have the same size.
[0015] In some embodiments, a connecting surface is provided between the two tracheal bodies, wherein the two tracheal bodies are symmetrically designed along the connecting surface.
[0016] In some embodiments, the two tracheal bodies are an integral structure.
[0017] In some embodiments, the supercharger body and the air pipe assembly are detachably connected.
[0018] In a second aspect, the present application also provides a supercharger system, comprising an intercooler, an exhaust gas recirculation cooler and a supercharger as described in any one of the above items, wherein a portion of the supercharger is connected to the engine, and another portion is connected to the engine through the intercooler and the exhaust gas recirculation cooler, and a control valve is arranged between the intercooler and the exhaust gas recirculation cooler.
[0019] In some embodiments, the control valve member comprises an exhaust gas recirculation valve.
[0020] In a third aspect, the present application further provides an engine, comprising an engine body and a supercharger system as described in any one of the above items, wherein the supercharger system is arranged inside the engine body. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 A cross-sectional view of the structure of the connection structure between the supercharger body and the air pipe assembly provided in an embodiment of the utility model;
[0022] Figure 2 This is a schematic diagram of the gas flow channel in the embodiment of the utility model;
[0023] Figure 3 This is a schematic diagram of the air inlet end of the supercharger body in the embodiment of the utility model;
[0024] Figure 4 Schematic diagram of a supercharger system in an embodiment of the present utility model.
[0025] In the figure: 1-supercharger body, 2-intake inlet end, 3-air pipe assembly, 4-outlet end, 5-gas guide channel, 51-guide section, 52-inner flow channel, 6-engine body, 7-intercooler, 8-exhaust gas recirculation cooler, 9-exhaust gas recirculation valve. DETAILED DESCRIPTION
[0026] The following will combine the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Among them, in the description of the embodiments of the present application, unless otherwise specified, " / " means or, for example, A / B can mean A or B; "and / or" in the text is only a description of the association relationship of associated objects, indicating that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. In addition, in the description of the embodiments of the present application, "multiple" refers to two or more than two.
[0027] In the following, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as suggesting or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features, and in the description of the embodiments of the present application, unless otherwise specified, "plurality" means two or more.
[0028] The embodiment of the utility model discloses a supercharger, a supercharger system and an engine, which are used to reduce the cost of the supercharger and improve the practicability of the supercharger.
[0029] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides the following technical solutions:
[0030] For further information, please refer to Figure 1-Figure 3 In a first aspect, the utility model provides a supercharger, comprising a supercharger body 1 and an air pipe assembly 3;
[0031] A gas flow channel 5 is provided inside the supercharger body 1, and the gas pipe assembly 3 is connected to the gas flow channel 5;
[0032] The gas guiding channel 5 has an air inlet end 2 facing the air pipe assembly 3, and the air pipe assembly 3 has an air outlet end 4 facing the gas guiding channel 5, and the size of the air inlet end 2 is larger than the size of the air outlet end 4;
[0033] The air pipe assembly 3 also has an air inlet end which is arranged away from the air outlet end 4, and the air outlet end 4 has the same size as the air inlet end.
[0034] The present application is provided with an air pipe assembly 3 on the exhaust pipe side of the supercharger body 1, wherein the air pipe assembly 3 has an air inlet end and an air outlet end 4 that are far away from each other, and the size between the air inlet end and the air outlet end 4 is the same, that is, the size of the exhaust flow channel on the exhaust pipe side of the present application is consistent from top to bottom, ensuring that the gas can be discharged smoothly. In addition, the supercharger body 1 of the present application is provided with a gas guide channel 5 with an air inlet end 2, wherein the gas guide channel 5 is used to communicate with the engine, but the size of the air inlet end 2 is larger than the size of the air outlet end 4, that is, the air inlet part of the supercharger body 1 of the present application adopts an asymmetric design, which ensures the reliability of gas impact of the exhaust system under high temperature conditions. In summary, the air inlet part of the supercharger body 1 of the present application adopts an asymmetric design, and the exhaust pipe side adopts an air pipe assembly 3 of the same size, so that there is no need to adopt different curing temperatures and times, which reduces costs during the production process, and makes the air pipe assembly 3 of the present application more applicable, thereby improving the practicality of the supercharger body 1.
[0035] For further information, please refer to Figure 2 , the gas guide channel 5 also includes a guide section 51 connected to the gas inlet end 2;
[0036] The size of the air inlet end 2 is R, and the length of the guide section 51 in the extension direction is L;
[0037] R and L satisfy the following relationship: L≥0.9R, wherein the structure of the guide section 51 is shown in the figure. In the figure, the shape of the guide section 51 is a slightly curved channel. This part is the area that the gas first reaches when entering the gas guide channel 5 through the air inlet end 2. It is mainly used to guide the gas entering the gas guide channel 5. The present application defines the length of this area in the axial direction as L, and the size of the air inlet end 2 is R, wherein: L≥0.9R, that is, a reasonable guide area is provided for the gas to ensure the normal transportation of the gas. The length of L is not specifically limited in the present application, as long as it is greater than or equal to 0.9 times the size of the air inlet end 2. It is worth noting that the size R of the air inlet end 2 in the present application is the largest size. Based on this design, the present application can ensure the normal transportation of the gas and improve the stability of the overall structure.
[0038] For further information, please refer to Figure 3 The gas guide channel 5 also includes an inner flow channel 52 connected to the guide section 51, and the inner flow channel 52 is connected to the engine. In the present application, an inner flow channel 52 is further provided on the basis of the guide section 51 to further transport the gas to the interior of the engine, thereby further increasing the power of the engine. In the present application, the shape of the inner flow channel 52 is not specifically limited and can be changed according to actual needs.
[0039] Furthermore, the air pipe assembly 3 includes two air pipe bodies, wherein the air outlet end 4 is composed of two air pipe bodies opening toward the supercharger body 1, and the air inlet end is composed of two air pipe bodies opening away from the supercharger body 1, and the two air pipe bodies have the same size. In the above structure, the air pipe assembly 3 of the present application includes two air pipe bodies, wherein the size of each air pipe body is the same, that is, the two air pipe bodies in the present application are consistent in size and adopt a universal design. This design can ensure that the two air pipe bodies have a wider range of application and improve practicality.
[0040] Furthermore, there is a connecting surface between the two trachea bodies, wherein the two trachea bodies are symmetrically designed along the connecting surface. In the above structure, the two trachea bodies in the present application adopt a symmetrical design, which can reduce the difficulty of the thermal-mechanical coupling calculation, reliability, and manufacturing process of the trachea, and increase the versatility of the trachea. It is worth noting that during the production of the trachea in the present application, the trachea inner cavity is manufactured using a coated sand process, and the manufacturing process requires heating to (260-280)°C for curing. The present application has the same size and shape, which further avoids the occurrence of different process requirements under different sizes, and further saves manufacturing costs.
[0041] Furthermore, the two trachea bodies are an integrated structure. The present application adopts a solution in which the two trachea bodies are an integrated structure, which effectively improves the stability of the trachea assembly 3.
[0042] Furthermore, the supercharger body 1 and the air pipe assembly 3 are detachably connected, wherein the specific connection method may be bolts, clamping, or the like, and the present application does not make any specific limitation thereto. In addition, the present application sets the supercharger body 1 and the air pipe assembly 3 as a detachable connection, thereby facilitating the disassembly of the supercharger body 1 and the air pipe assembly 3 for inspection and maintenance, thereby further improving practicality.
[0043] For further information, please refer to Figure 4 On the second aspect, the present application also provides a supercharger system, including an intercooler 7, an exhaust gas recirculation cooler 8 and a supercharger as described above, wherein the supercharger part is connected to the engine, and the other part is connected to the engine through the intercooler 7 and the exhaust gas recirculation cooler 8, and a control valve is arranged between the intercooler 7 and the exhaust gas recirculation cooler 8, as shown in the figure, and the content of the figure is the supercharger system of exhaust gas circulation in the present application, in the figure, the supercharger part is connected to the engine, and the other part is connected to the engine through the intercooler 7 and the exhaust gas recirculation cooler 8, so that the exhaust gas can enter the engine for partial combustion, thereby improving the combustion efficiency and reducing the generation of harmful substances, and the intercooler 7, the control valve and the exhaust gas recirculation cooler 8 are to ensure the smooth operation of the whole system.
[0044] Furthermore, the control valve component includes an exhaust gas recirculation valve 9 .
[0045] On the third aspect, the present application also provides an engine, including an engine body 6 and a supercharger system as described above, the supercharger system is arranged inside the engine body 6, and the supercharger body 1 in the present application is arranged inside the engine body 6 to complete the supercharging process of the engine body 6.
[0046] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.
Claims
1. A supercharger, characterized in that: include: Supercharger body, air pipe assembly; A gas guide channel is provided inside the supercharger body, and the gas pipe assembly is connected to the gas guide channel; The gas flow guiding channel has an air inlet end facing the air pipe assembly, and the air pipe assembly has an air outlet end facing the gas flow guiding channel, and the size of the air inlet end is larger than the size of the air outlet end; The air pipe assembly also has an air inlet end arranged away from the air outlet end, and the air outlet end has the same size as the air inlet end.
2. The supercharger according to claim 1, characterized in that: The gas flow guiding channel also includes a flow guiding section connected to the gas inlet end; The size of the air inlet end is R, and the length of the guide section in the extension direction is L; The R and L satisfy the following relationship: L≥0.9R.
3. The supercharger according to claim 2, characterized in that: The gas flow guiding channel also includes an inner flow channel connected to the flow guiding section, and the inner flow channel is connected to the engine.
4. The supercharger according to claim 1, characterized in that: The air pipe assembly includes two air pipe bodies, wherein the air outlet end is composed of two openings of the air pipe bodies facing the supercharger body, the air inlet end is composed of two openings of the air pipe bodies away from the supercharger body, and the two air pipe bodies have the same size.
5. The supercharger according to claim 4, characterized in that: A connecting surface is provided between the two trachea bodies, wherein the two trachea bodies are symmetrically designed along the connecting surface.
6. The supercharger according to claim 4, characterized in that: The two trachea bodies are an integrated structure.
7. The supercharger according to claim 1, characterized in that: The supercharger body and the air pipe assembly are detachably connected.
8. A supercharger system, characterized in that: It comprises an intercooler, an exhaust gas recirculation cooler and a supercharger as claimed in any one of claims 1 to 7, wherein a part of the supercharger is connected to the engine, and another part is connected to the engine through the intercooler and the exhaust gas recirculation cooler, and a control valve is provided between the intercooler and the exhaust gas recirculation cooler.
9. The supercharger system according to claim 8, characterized in that The control valve element includes an exhaust gas recirculation valve.
10. An engine, characterized in that: The invention comprises an engine body and a supercharger system as claimed in any one of claims 8 to 9, wherein the supercharger system is arranged inside the engine body.