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Breather and fuel tank

A respirator and fuel tank technology, which is applied to fuel supply tank devices, lubricating oil containers, fluid pressure actuating devices, etc., can solve the problems of poor oil quality in the fuel tank and poor filtration performance of the air filter element.

Active Publication Date: 2016-09-07
CHNA ENERGY INVESTMENT CORP LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, due to the poor filtration performance of the air filter element, the gas containing oil particles in the fuel tank is easily discharged into the external air through the air filter element, and the gaseous water or other pollutants in the external air are also easy to enter into the fuel tank, causing air pollution in the fuel tank. oil quality deterioration

Method used

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  • Breather and fuel tank
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Embodiment approach

[0053] In a preferred embodiment of the present invention, the first cavity 100 and the second cavity 200 are set up and down, that is, the first cavity 100 is set on the top, and the second cavity 200 is set on the bottom, wherein in the second The cavity 200 is filled with liquid to better prevent the oil particles in the oil tank from being discharged, and the moisture and impurities in the external air from entering the oil tank through the liquid. Its specific implementation is as follows:

[0054] Such as figure 1 As shown, between the cylindrical body 13 and the breathing tube 2, a second partition 6 is extended from the second end cover 15 to the first partition 5, and the second partition 6 separates the second cavity 200 to form a first partition. An isolation cavity 201 and a second isolation cavity 202, the position of the second partition plate 6 close to the second end cover 15 is formed with a communication hole 61 for communicating with the first isolation cav...

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Abstract

The invention discloses a breather and an oil tank. The breather comprises a shell (1) provided with an inlet hole (11) and a vent hole (12), a first cavity (100) and a second cavity (200) communicated with each other are formed in the shell (1), the inlet hole (11) is arranged in the end wall of the second cavity (200), the vent hole (12) is arranged in the side wall of the second cavity (200), a breathing tube (2) communicated with the inlet hole (12) and penetrating the second cavity (200) to extend into the first cavity (100) is arranged on the shell (1), and filter elements (3) are filled between the breathing tube (2) and the shell (1) in the first cavity (100). By the arrangement, oil particles can be effectively prevented from being discharged to the exterior of the oil tank, and impurities and the like in external air can be prevented from entering the oil tank.

Description

technical field [0001] The invention relates to the breathing technology of a fuel tank, in particular to a respirator and a fuel tank. Background technique [0002] In construction machinery or vehicles, the fuel tank is generally equipped with a respirator to ensure the communication between the inside and the outside of the fuel tank, so as to prevent the large positive or negative pressure in the fuel tank from affecting the work. While connecting, it is also necessary to prevent the oil in the tank from spraying outside to pollute the environment, and to prevent impurities in the external air from entering the inside of the tank. The tank referred to here can be any tank containing oil. For example, it can be a hydraulic oil tank, or a gear box with lubricating oil. [0003] In the prior art, the breathing function of the fuel tank is usually achieved by setting an air filter element on the opening of the fuel tank, and the air filter element prevents the oil in the fu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B1/26F15B21/04F16N19/00F16N39/06
CPCF15B1/26F15B21/041F16N19/00F16N39/06
Inventor 吴远伟
Owner CHNA ENERGY INVESTMENT CORP LTD