Engine, engine starting system, starting method and lubricating oil circuit cleaning method
An engine starting and lubricating oil circuit technology, which is applied in the direction of engine lubrication, engine components, machines/engines, etc., can solve problems such as low efficiency and wear of key friction pairs of the engine.
Active Publication Date: 2022-04-05
WEICHAI POWER CO LTD
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Problems solved by technology
[0005] The purpose of the present invention is to at least solve the problems of the low efficiency of the engine lubricating oil circuit cleaning method in the prior art and the problems that the key friction pairs of the engine are prone to greater wear during the starting phase, and the purpose is achieved through the following technical solutions:
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[0051] 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.
[0052]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. The invention provides an engine starting system. The invention also provides a starting method and a lubricating oil circuit cleaning method. In the lubricating oil circuit cleaning method, the engine uses a pre-supply oil pump to flush the lubricating oil After the lubricating oil in the main oil passage reaches a certain pressure, the engine is rotated at a low speed by a disc mechanism, which is more convenient for flushing all parts of the entire lubricating oil passage, and facilitates the rushing out of particles in the lubricating oil passage, improving the flushing effect. In the starting method, before the engine is started, the pre-supply oil pump is used for oil supply pre-lubrication. After the lubricating oil in the main oil passage reaches a certain pressure, the engine is rotated at a low speed by a disc mechanism so that the lubricating oil can cover the entire bearing, especially In the loading area, after reaching the set pressure, start the engine again, enhance the lubrication state of the key bearings in the starting stage, and reduce the starting wear. The process of rushing and starting is automatically controlled to reduce human workload.
Description
technical field [0001] The invention belongs to the technical field of engines, and in particular relates to an engine starting system. The invention also relates to an engine, a starting method and a lubricating oil passage cleaning method. Background technique [0002] This section provides background information related to the present disclosure only and is not necessarily prior art. [0003] In the existing technical solutions, for large-bore engines, especially large-bore diesel engines, static flushing is often used for flushing (flushing the lubricating oil circuit of the engine). After flushing for a period of time, the engine is manually cranked, and then static flushing is performed until The time required to complete the flush. Although the flushing of the lubricating oil circuit of the engine has been considered, it needs to be manually rotated regularly, which is time-consuming and laborious. [0004] The existing starting technology scheme provides a certain...
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IPC IPC(8): F01M1/02F01M1/20F01M1/16F01M5/02F02B77/04
CPCF01M1/02F01M1/20F01M1/16F01M5/025F02B77/04F01M2005/026
Inventor 傅晓磊王霞魏建强王洪山
Owner WEICHAI POWER CO LTD