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Engine fuel oil system

A fuel system and engine technology, applied in the field of auto parts, can solve the problem of low energy utilization rate of the engine fuel system, and achieve the effects of improving power performance, efficient utilization, and increasing fuel flow.

Active Publication Date: 2018-08-31
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an engine fuel system to solve the problem that the energy utilization rate of the engine fuel system in the prior art is not high. The present invention can increase the Fuel flow in the engine fuel system, more efficient use of fuel, improve vehicle power and economy

Method used

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Embodiment Construction

[0024] The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0025] Such as figure 1 As shown, the embodiment of the present invention provides a kind of engine fuel system, comprises diesel oil filter 1, high-pressure oil pump 2 and high-pressure fuel rail, and described diesel oil filter 1 is provided with the first oil inlet 4 and the first oil outlet Port 5, the high-pressure oil pump 2 is provided with a second oil inlet 6 and a second oil outlet 7, and the high-pressure oil rail is provided with a third oil inlet 8 and a third oil outlet 9; the first outlet The oil port 5 communicates with the second oil inlet 6 through a first pipeline 10, the second oil outlet 7 communicates with the third oil inlet 8 through a second pipeline 11, and the third outlet The oil port 9 communicates with the first oil inlet 4 through a third pipeline 12 . The die...

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Abstract

The invention discloses an engine fuel oil system. The engine fuel oil system comprises a diesel oil filter, a high-pressure oil pump and a high-pressure oil rail. The diesel oil filter is provided with a first oil inlet and a first oil outlet. The high-pressure oil pump is provided with a second oil inlet and a second oil outlet. The high-pressure oil rail is provided with a third oil inlet and athird oil outlet. The first oil outlet communicates with the second oil inlet through a first pipeline, the second oil outlet communicates with the third oil inlet through a second pipeline, and thethird oil outlet communicates with the first oil inlet through a third pipeline. Compared with the prior art, the engine fuel oil system has the beneficial effects that not-burned fuel oil of the high-pressure oil rail is circularly utilized, the fuel oil flow in the engine fuel oil system can be increased, the fuel oil can be utilized more efficiently, and the dynamic performance and the economical efficiency of a whole vehicle are improved.

Description

technical field [0001] The invention relates to the technical field of auto parts, in particular to an engine fuel system. Background technique [0002] The engine fuel system, as a system that provides power fuel to the engine, plays a particularly important role in whether the engine performance can be performed well. [0003] On the one hand, the fuel system must ensure that the engine has good power, which requires the fuel system to be able to supply and return oil normally. Fuel should have a higher energy utilization rate. [0004] The engine fuel system in the prior art mainly has the following problems: one, the fuel oil that has not been burned in the engine cylinder will directly flow back into the fuel tank, and the higher heat of the fuel oil will be lost without utilization, resulting in energy Second, the high-pressure oil pump of the engine fuel system cannot release pressure, and the pressure of the high-pressure oil pump cannot be adjusted. Contents of ...

Claims

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Application Information

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IPC IPC(8): F02M37/00F02M37/22
CPCF02M37/0023F02M37/0076F02M37/22
Inventor 钱时俊张辉李静时双董学朝慈龙尚
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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