Opposed engine cooling system and automobile

By introducing an external water jacket and a dual-valve thermostat into the opposed engine cooling system, the piping layout is simplified, the complexity and energy loss of the existing system are resolved, and a more compact and efficient cooling effect is achieved.

CN224093472UActive Publication Date: 2026-04-07CHONGQING SOKON POWER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-04
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing opposed engine cooling systems suffer from problems such as complex piping, large space occupation, long coolant circulation path, significant energy loss, and high cost.

Method used

An external water jacket is used to connect the water pump, oil cooler and turbocharger, simplifying the pipeline layout and enabling multiple coolant circulation modes. Combined with a dual-valve thermostat, the cooling system is optimized.

Benefits of technology

This achieves a compact cooling system structure, reduces pipe length, lowers energy loss, and meets various thermal management requirements.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of thermal management of automobiles, and particularly relates to an opposed engine cooling system and an automobile. The opposed engine cooling system comprises a water pump, a water-cooled jacket assembly, a temperature sensor, a thermolator, a radiator, a supercharger, an engine oil cooler and a warm air module; wherein the water cooling jacket assembly comprises an external water jacket, a water jacket and a cylinder cover water jacket, the water jacket and the cylinder cover water jacket are oppositely arranged, the engine oil cooler is connected to one of the first pipelines and the external water jacket through an eighth pipeline, and the supercharger is correspondingly connected to the cylinder body water jacket and the external water jacket through a ninth pipeline. According to the technical scheme, the external water jacket is arranged in the water jacket assembly of the opposed engine cooling system, the external water jacket can be communicated with the water pump, the engine oil cooler and the supercharger which are located on the different sides of the engine, long pipelines between parts at different positions can be omitted, the structure of the cooling system is simpler and more compact, and the cooling efficiency is improved. And the opposed engine cooling system can realize multiple cooling liquid circulation modes so as to meet different thermal management requirements.
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Description

Technical Field

[0001] This utility model relates to the field of automotive thermal management technology, and in particular to a opposed engine cooling system and an automobile. Background Technology

[0002] The primary function of the engine cooling system is to ensure that the engine remains within a suitable operating temperature range under various operating conditions. This not only helps improve engine performance and efficiency but also extends its service life and reduces the occurrence of malfunctions.

[0003] Especially in opposed engines, because the pistons are evenly distributed on both sides of the crankshaft, the overall height of the opposed engine can be reduced, the length shortened, and the center of gravity of the vehicle lowered, making the vehicle more stable. Therefore, opposed engines are often used in models that pursue handling.

[0004] Existing opposed engine cooling systems have complex piping, with various components distributed on different sides of the engine block. The piping suffers from problems such as large space occupation, long coolant circulation path, large energy loss, and high cost. Utility Model Content

[0005] Based on this, the present invention provides a opposed engine cooling system and an automobile, which can save on long pipes and has a simple and compact structure.

[0006] According to an embodiment of the present invention, a first aspect provides a opposed engine cooling system, including a water pump, a water-cooled jacket assembly, a temperature sensor, a thermostat, a radiator, a turbocharger, an oil cooler, and a heater module.

[0007] The water-cooling jacket assembly includes an external water jacket, an opposing water jacket, and a cylinder head water jacket, wherein the external water jacket is connected to the water inlet side of the water pump.

[0008] The water pump's outlet is connected to the cylinder water jacket's inlet via a first pipe. The cylinder water jacket's outlet is connected to the temperature sensor via a second pipe, and the water then flows to the thermostat's inlet. The thermostat's outlet is connected to the external water jacket via a third pipe. The thermostat's outlet is connected to the radiator's inlet via a fourth pipe. The radiator's outlet is connected to the external water jacket via a fifth pipe. The thermostat's outlet is connected to the heater module's liquid inlet via a sixth pipe. The heater module's liquid outlet is connected to the external water jacket via a seventh pipe.

[0009] The oil cooler is connected to one of the first pipes and the external water jacket via an eighth pipe, and the turbocharger is connected to the cylinder block water jacket and the external water jacket via a ninth pipe.

[0010] In some embodiments, an expansion tank is also included, wherein the cylinder head water jacket is connected to the inlet end of the expansion tank via a first venting and replenishment pipe.

[0011] In some embodiments, the outlet end of the first exhaust and replenishment pipe is connected to the expansion tank after being merged.

[0012] In some embodiments, the radiator is connected to the inlet of the expansion tank via a second exhaust and replenishment pipe.

[0013] In some embodiments, the outlet end of the expansion tank is connected to the external water jacket via a third venting and replenishment pipe.

[0014] In some embodiments, the thermostat is a dual-valve thermostat.

[0015] In some embodiments, the second aspect provides a vehicle that includes the aforementioned opposed engine cooling system.

[0016] By adopting the technical solution of this utility model, the opposed engine cooling system sets an external water jacket in the water jacket assembly. This external water jacket can connect the water pump, oil cooler and turbocharger located on different sides of the engine, which helps to save long pipes between components in different locations, making the structure of the cooling system simpler and more compact. Moreover, the opposed engine cooling system can realize multiple coolant circulation modes to meet different thermal management needs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the opposed engine cooling system in this embodiment;

[0018] Figure 2 This is a schematic diagram of the circulation mode one of the opposed engine cooling system in this embodiment;

[0019] Figure 3 This is a schematic diagram of the second circulation mode of the opposed engine cooling system in this embodiment;

[0020] Figure 4 This is a schematic diagram of the circulation mode three of the opposed engine cooling system in this embodiment;

[0021] Figure 5 This is a schematic diagram of the fourth circulation mode of the opposed engine cooling system in this embodiment;

[0022] Figure 6 This is a schematic diagram of the circulation mode five of the opposed engine cooling system in this embodiment;

[0023] Figure 7 This is a schematic diagram of the circulation mode six of the opposed engine cooling system in this embodiment.

[0024] In the diagram: Water pump 10; First pipe 11; Second pipe 12; Third pipe 13; Fourth pipe 14; Fifth pipe 15; Sixth pipe 16; Seventh pipe 17; Eighth pipe 18; Ninth pipe 19; Cylinder block water jacket 20; Cylinder head water jacket 21; External water jacket 22; Temperature sensor 30; Thermostat 31; Radiator 40; Turbocharger 50; Oil cooler 60; Heater module 70; Expansion tank 80; First exhaust fluid replenishment pipe 81; Second exhaust fluid replenishment pipe 82; Third exhaust fluid replenishment pipe 83. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0026] The structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this utility model can be implemented. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0027] The orientations or positional relationships indicated by terms such as "upper," "lower," "left," "right," "middle," "longitudinal," "transverse," "horizontal," "inner," "outer," "radial," and "circumferential" used in this specification are based on the orientations or positional relationships shown in the accompanying drawings and are only for the purpose of simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] like Figure 1 As shown, this embodiment provides a opposed engine cooling system for automobiles. The opposed engine cooling system includes a water pump 10, a water-cooled jacket assembly, a temperature sensor 30, a thermostat 31, a radiator 40, a turbocharger 50, an oil cooler 60, a heater module 70, and an expansion tank 80.

[0029] The water cooling jacket assembly of this embodiment includes a cylinder block water jacket 20 and a cylinder head water jacket 21 arranged on both sides of the crankshaft of the engine, and an external water jacket 22 integrated outside the cylinder block. The external water jacket 22 can be extended to different sides of the cylinder block as needed, and the external water jacket 22 is connected to the water inlet side of the water pump 10.

[0030] In this embodiment, the water pump 10 has a first pipe 11 at its outlet, which is connected to the inlet of two opposing cylinder water jackets 20. The outlets of the opposing cylinder water jackets 20 are connected to the temperature sensor 30 via second pipes 12, and then converge to the inlet of the thermostat 31. The outlet of the thermostat 31 is connected to the external water jacket 22 via a third pipe 13, a fourth pipe 14, and a fifth pipe 15 to the external water jacket 22. The sixth pipe 16 connects the thermostat 31 to the inlet of the heater module 70, and a seventh pipe 17 connects the heater module 70 to the external water jacket 22. Preferably, the thermostat 31 is a dual-valve thermostat, which has significant advantages in terms of flow regulation, cost control, installation space, automatic temperature control, and system stability.

[0031] In this embodiment, the oil cooler 60 is connected to one of the first pipes 11 and the external water jacket 22 via the eighth pipe 18. There are two turbochargers 50, which are connected to the cylinder block water jacket 20 and the external water jacket 22 via the ninth pipe 19.

[0032] In this embodiment, the two cylinder head water jackets 21 are respectively connected to the inlet end of the expansion tank 80 through the first venting and replenishing pipe 81. Specifically, the outlet ends of the two first venting and replenishing pipes 81 are merged and connected to the expansion tank 80, which can further save pipe materials. The radiator 40 is connected to the inlet end of the expansion tank 80 through the second venting and replenishing pipe 82, and the outlet end of the expansion tank 80 is connected to the external water jacket 22 through the third venting and replenishing pipe 83.

[0033] The opposed engine cooling system in this embodiment can achieve multiple circulation modes.

[0034] See details Figure 2 In the first circulation mode, the water pump 10 drives the coolant to first flow into the cylinder block water jacket 20 through the first pipe 11, then into the cylinder head water jacket 21, then through the second pipe 12, through the temperature sensor 30, and into the thermostat 31. Next, it flows into the heater module 70 through the sixth pipe 16, then through the seventh pipe 17 into the external water jacket 22, and finally flows back to the water pump 10.

[0035] See details Figure 3 In the second circulation mode, the water pump 10 drives the coolant to first flow through the first pipe 11 through the cylinder water jacket 20, then through the ninth pipe 19 through the turbocharger 50 and into the external water jacket 22, and finally back to the water pump 10.

[0036] See details Figure 4In the third circulation mode, the water pump 10 drives the coolant to flow through the eighth pipe 18 through the oil cooler 60 and then into the external water jacket 22, and finally back to the water pump 10.

[0037] See details Figure 5 In the fourth circulation mode, the water pump 10 drives the coolant to first flow into the cylinder block water jacket 20 through the first pipe 11, then into the cylinder head water jacket 21, then into the expansion tank 80 through the first exhaust water supply pipe 81, then into the external water jacket 22 through the third exhaust water supply pipe 83, and finally back to the water pump 10.

[0038] See details Figure 6 In the fifth circulation mode, the water pump 10 drives the coolant to first flow into the cylinder block water jacket 20 through the first pipe 11, then into the cylinder head water jacket 21 through the second pipe 12, then into the thermostat 31 after passing through the temperature sensor 30, then into the radiator 40 through the fourth pipe 14, then into the external water jacket 22 through the fifth pipe 15, and finally back to the water pump 10.

[0039] See details Figure 7 In the sixth circulation mode, the water pump 10 drives the coolant to first flow into the cylinder block water jacket 20 through the first pipe 11, then into the cylinder head water jacket 21, then through the second pipe 12, through the temperature sensor 30, and into the thermostat 31. Next, it flows into the radiator 40 through the fourth pipe 14, then into the expansion tank 80 through the second exhaust water supply pipe 82, then into the external water jacket 22 through the third exhaust water supply pipe 83, and finally back to the water pump 10.

[0040] In the opposed-engine cooling system of this embodiment, the external water jacket 22 connects the water pump 10, oil cooler 60, and turbocharger 50 located on different sides of the engine, helping to eliminate long pipes between components in different locations and making the cooling system structure simpler and more compact. The water pump 10 directly drives the coolant into the oil cooler 60 to cool the engine oil, ensuring effective oil cooling. Furthermore, the opposed-engine cooling system can achieve multiple coolant circulation modes to meet different thermal management requirements.

[0041] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0042] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A counter-rotating engine cooling system, comprising a water pump (10), a water-cooled jacket assembly, a temperature sensor (30), a thermostat (31), a radiator (40), a turbocharger (50), an oil cooler (60), and a heater module (70), characterized in that: The water cooling jacket assembly includes an external water jacket (22), an opposing water jacket, and a cylinder head water jacket (21), wherein the external water jacket (22) is connected to the water inlet side of the water pump (10); The water pump (10) has a first pipe (11) at its outlet end connected to the inlet end of the cylinder water jacket (20). The outlet end of the cylinder water jacket (20) is connected to the temperature sensor (30) via a second pipe (12) and then flows to the inlet end of the thermostat (31). The outlet end of the thermostat (31) is connected to the external water jacket (22) via a third pipe (13). The outlet end of the thermostat (31) is connected to the inlet end of the radiator (40) via a fourth pipe (14). The outlet end of the radiator (40) is connected to the external water jacket (22) via a fifth pipe (15). The outlet end of the thermostat (31) is connected to the liquid inlet end of the heater module (70) via a sixth pipe (16). The liquid outlet end of the heater module (70) is connected to the external water jacket (22) via a seventh pipe (17). The oil cooler (60) is connected to one of the first pipes (11) and the external water jacket (22) via the eighth pipe (18), and the turbocharger (50) is connected to the cylinder water jacket (20) and the external water jacket (22) via the ninth pipe (19).

2. The opposed engine cooling system according to claim 1, characterized in that: It also includes an expansion tank (80), and the cylinder head water jacket (21) is connected to the inlet end of the expansion tank (80) through the first exhaust and replenishment pipe (81).

3. The opposed engine cooling system according to claim 2, characterized in that: The liquid outlet end of the first exhaust and replenishment pipe (81) is connected to the expansion tank (80) after being merged.

4. The opposed engine cooling system according to claim 2, characterized in that: The radiator (40) is connected to the inlet end of the expansion tank (80) via a second exhaust and replenishment pipe (82).

5. The opposed engine cooling system according to claim 4, characterized in that: The outlet of the expansion tank (80) is connected to the external water jacket (22) through the third exhaust and replenishment pipe (83).

6. The opposed engine cooling system according to claim 1, characterized in that: The thermostat (31) is a dual-valve thermostat (31).

7. A car, characterized in that, Includes the opposed engine cooling system as described in any one of claims 1-6.