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Automatic air-exhausting fuel oil filtering system

An automatic exhaust and fuel filtration technology, applied in the direction of charging system, engine components, machine/engine, etc., can solve the problem that the fuel filter cannot be automatically and effectively exhausted, so as to avoid shaking and damage, stable oil pressure, Ensure stable operation

Inactive Publication Date: 2015-06-24
广西华原过滤系统股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a fuel filter system with automatic exhaust function to solve the problem that the fuel filter in the existing fuel filter system cannot be automatically and effectively exhausted

Method used

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  • Automatic air-exhausting fuel oil filtering system
  • Automatic air-exhausting fuel oil filtering system
  • Automatic air-exhausting fuel oil filtering system

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Embodiment Construction

[0030] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0031] Such as figure 1 As shown, an automatic exhaust fuel filter system, the system includes a filter seat 2 and a filter tank 3 arranged on the filter seat 2, an automatic exhaust device 1 is arranged above the filter seat 2, Such as Figure 2 ~ Figure 3 As shown, the filter seat 2 is provided with an oil inlet chamber 23 and an oil outlet chamber, the oil inlet chamber 23 communicates with the inner cavity of the filter tank 3 through the oil inlet passage 21, and the oil outlet chamber is connected with the oil outlet passage 22 Through, the automatic exhaust device 1 is arranged above the oil inlet chamber 23 or the oil inlet passage 21 .

[0032] Such as Figure 4 , Figure 5 , Figure 9 As shown, the automatic exhaust device 1 includes a one-way valve seat 11, and the one-way valve seat...

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Abstract

The invention discloses an automatic air-exhausting fuel oil filtering system. The automatic air-exhausting fuel oil filtering system comprises a filter base and a filter tank arranged on the filter base. The filter base is provided with an oil inlet cavity and an oil outlet cavity, and the oil inlet cavity is communicated with an inner cavity of the filter tank through an oil inlet channel. An automatic air exhausting device is arranged above the oil inlet cavity or the oil inlet channel and comprises a one-way valve seat. The one-way valve seat comprises a valve seat body, an outer installation head, an inner installation head, installation outer threads arranged on the outer installation head and matched with threads, first installation inner threads, second installation inner threads, a valve cavity arranged in the valve seat body, a one-way valve body, a sealing ring, a one-way valve spring and an in-through-hole hexagonal nut, wherein the valve seat body, the outer installation head and the inner installation head are integrated, the first installation inner threads and the second installation inner threads are arranged on the inner installation head and matched with threads, and the one-way valve body, the sealing ring, the one-way valve spring and the in-through-hole hexagonal nut are installed in the valve cavity. By means of the automatic air-exhausting fuel oil filtering system, air in an oil way can be effectively and automatically removed, fuel oil can be saved, it can be guaranteed that an engine stably runs, flameout conditions can be avoided in the running process, and the service life of movement parts in a high-pressure oil pump is prolonged.

Description

technical field [0001] The invention relates to the field of fuel filter systems, more specifically, to an automatic exhaust fuel filter system. Background technique [0002] A modern fuel filtration system is mainly composed of a pre-filter with water separation and a two-stage filter with a main filter. The pre-filter is generally arranged in the pipeline between the inlet of the oil delivery pump and the fuel tank, and the main filter is arranged in the pipeline between the outlet of the oil delivery pump and the high-pressure pump, and the installation position of the main filter is relatively higher than that of the high-pressure pump. Location. With the continuous improvement of the filtration accuracy of the main filter filter material, the air permeability of the filter material after being soaked in diesel oil is getting lower and lower, and most of the gas entering the pipeline from the outside will accumulate in the main filter and be difficult to discharge . H...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M37/22
Inventor 庞武明黄仕兴
Owner 广西华原过滤系统股份有限公司
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