Cooling jacket and engine
A technology for cooling water jackets and engines, which is applied in the direction of engine components, machines/engines, mechanical equipment, etc. It can solve the problems of slow coolant flow, achieve consistent cooling effect, uniform flow rate and flow, and avoid dead water areas.
Active Publication Date: 2020-12-22
WEICHAI POWER CO LTD
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Problems solved by technology
[0004] The purpose of the present invention is to at least solve the problem of slow flow of coolant in the lower part of the water jacket
Method used
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[0031] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.
[0032] It should be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may also be meant to include the plural forms unless the context clearly dictates otherwise. The terms "comprising", "comprising", "containing" and "having" are inclusive and thus indicate the presence of stated...
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The invention belongs to the technical field of engines, and particularly relates to a cooling water jacket and an engine. The cooling water jacket is used for cooling a cylinder body of the engine, and comprises a body and acceleration structures, wherein a main liquid inlet is formed in the body; a water distribution cavity and a plurality of cooling cavities are formed in the body; the coolingcavities communicate with each other and are provided with branch liquid inlets and liquid outlets respectively; the main liquid inlet communicates with the branch liquid inlets through the water distribution cavity; the acceleration structures are arranged on the body; the acceleration structures are positioned between the branch liquid inlets and the liquid outlets; and the acceleration structures are configured to reduce the flow area of the cooling cavities. According to the cooling water jacket, the water distribution cavity enables the flow speed and the water pressure of cooling liquidto tend to be stable, the cooling liquid enters the corresponding cooling cavities through the branch liquid inlets, the flow speed of the cooling liquid in the cooling cavities can be increased through the first acceleration structure and the second acceleration structure, then the cooling liquid is guided to move upwards, the cylinder body is effectively cooled, the lower area of the water jacket is reduced, and the appearance of a dead water area is avoided.
Description
technical field [0001] The invention belongs to the technical field of engines, and in particular relates to a cooling water jacket and an engine. Background technique [0002] This section provides background information related to the present disclosure only and is not necessarily prior art. [0003] The cooling of the engine is an important link to ensure that the engine can work effectively. In the prior art, for models with dry cylinder liners or no cylinder liners, a cooling water jacket is provided, and a cooling chamber is provided inside the cooling water jacket, and the cooling liquid enters the cooling chamber. The cylinder block is cooled in the middle, but the coolant flows slowly under the water jacket, resulting in waste of coolant and poor heat exchange. Contents of the invention [0004] The purpose of the present invention is to at least solve the problem of slow flow of cooling fluid in the lower part of the water jacket. This purpose is achieved throu...
Claims
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IPC IPC(8): F02F1/16
CPCF02F1/16
Inventor 罗国良郭圣刚杨燕楠齐伟王启峰李连升
Owner WEICHAI POWER CO LTD