Double-oil-tank oil supply system

A technology of fuel supply system and dual fuel tanks, which is applied in the direction of charging system, fuel heat treatment device, engine components, etc., can solve the problems of vehicles not starting normally, waste of time and energy, cost increase, etc., so as to achieve difficult crystallization and cost saving , the effect of improving safety

Inactive Publication Date: 2018-08-14
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, since the prior art only has a single fuel tank, and the inside of the fuel tank 11 is only filled with a single grade of diesel oil, after the vehicle stops in a cold area, especially after it is left overnight, the diesel crystallizes a

Method used

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  • Double-oil-tank oil supply system
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[0049] In order to enable those skilled in the art to better understand the technical solution of the present invention, the solution will be further described in detail below in conjunction with specific embodiments.

[0050] Such as figure 2 As shown, the embodiment of the present invention provides a dual fuel tank fuel supply system, which includes a first fuel tank 21, a second fuel tank 31, a fuel conversion valve 41, and a heating device. The diesel fuel in the first fuel tank 21 has a larger label than the second fuel tank 31. The heating device is used to heat the oil in the first fuel tank 21; when the vehicle starts cold in a cold area, the fuel switch valve 41 controls the fuel line of the second fuel tank 31 to communicate with the engine oil line, and The heating device starts to heat the oil in the first oil tank 21; after the temperature of the oil in the first oil tank 21 rises to the set oil temperature, the fuel switching valve 41 controls the fuel line and the...

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Abstract

The invention provides a double-oil-tank oil supply system. The double-oil-tank oil supply system comprises a first oil tank, a second oil tank, a fuel conversion valve and a heating device; the gradeof diesel oil in the first oil tank is higher than the grade of diesel oil in the second oil tank; the heating device is used for heating the oil in the first oil tank; when a vehicle is cold startedin a cold region, the fuel conversion valve controls a fuel pipeline of the second oil tank to communicate with an engine oil way, and the heating device starts to heat the oil in the first oil tank;and after the temperature of the oil in the first oil tank is increased to reach a set oil temperature, the fuel conversion valve controls a fuel pipeline of the second oil tank to cut off from the engine oil way, and the fuel conversion valve controls communication between the fuel pipeline of the first oil tank and the engine oil way. The double-oil-tank oil supply system can guarantee normal cold start of the vehicle in the cold region, meanwhile, needs no mode of baking the oil tanks by fire to heat the oil, prevents the time and vigor wastes, improves the safety, and saves more costs.

Description

technical field [0001] The invention relates to the technical field of vehicle fuel supply systems, in particular to a double fuel tank fuel supply system. Background technique [0002] Condensation point and cold filter point are important indicators to characterize the performance of diesel oil at low temperature. The grades of diesel for vehicles are divided into six grades: 5#, 0#, -10#, ﹣20#, -35#, and -50# according to the freezing point. The freezing point is the highest temperature at which diesel oil loses fluidity in a low-temperature environment; the cold filter point indicates the highest temperature at which diesel oil can cause filter blockage when it passes through the fuel supply system of a diesel engine. When the diesel engine is working, the diesel oil is sprayed into the cylinder through the coarse and fine filters, and then through the high-pressure pump and fuel injector. When the temperature of diesel oil drops to the cold filter point temperature, t...

Claims

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Application Information

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IPC IPC(8): F02M37/00F02M31/16
CPCF02M31/16F02M37/0023F02M37/0088
Inventor 李静王方张辉陈刚杨春丽
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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