Drainage system and method for draining fuel filter
A technology of fuel filter and drainage system, applied in the direction of charging system, machine/engine, liquid fuel feeder, etc., can solve the problems of untimely drainage, engine failure, etc., to reduce power consumption and fuel consumption, extend the Service life, the effect of avoiding engine failure
Active Publication Date: 2020-11-20
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 problem of engine failure caused by untimely drainage
Method used
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[0049] 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.
[0050] 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 engine fuel systems, in particular to a drainage system and drainage method for a fuel filter. The drainage system comprises a cup body, a valve assembly, a liquid level detection assembly and an air compressor assembly, wherein a drainage outlet is formed in the cup body, the valve assembly is arranged on the cup body, and is correspondingly matchedwith the drainage outlet, the liquid level detection assembly is arranged in the cup body, and is arranged to detect the height of the liquid level in the cup body, the air compressor assembly is correspondingly connected with the liquid level detection assembly and the valve assembly, when the height of the liquid level in the cup body is equal to a first preset value of the liquid level detection assembly, the air compressor assembly drives the valve assembly to open the drainage outlet, and when the height of the liquid level in the cup body is equal to a second preset value of the liquidlevel detection assembly, the valve assembly closes the drainage outlet. According to the drainage system for the fuel filter of the embodiment, a manual drainage mode is changed, automatic drainage is realized by detecting the height of the liquid level, an air compressor of a vehicle is used as a power source, and energy conservation and emission reduction are achieved.
Description
technical field [0001] The invention belongs to the technical field of engine fuel systems, and in particular relates to a drainage system and a drainage method for a fuel filter. Background technique [0002] This section provides background information related to the present disclosure only and is not necessarily prior art. [0003] At present, the normal operation of a car engine is inseparable from fuel, and the car fuel filter system is used to remove moisture and other impurities in the fuel. Most of the moisture and impurities in fuel oil come from the poor treatment process of the refinery and the transportation and storage process. Moisture and impurities in the fuel will reduce the lubricating performance of the fuel, causing the parts of the fuel filtration system to wear out, resulting in failure. [0004] In order to ensure the normal operation of the vehicle and reduce the loss of the car, manual drainage is usually required. If the customer does not drain th...
Claims
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IPC IPC(8): F02M37/28
CPCF02M37/28
Inventor 梁昌水刘丽冉邬忠永梁冰王福宏黄国庆张涛
Owner WEICHAI POWER CO LTD