Methanol fuel engine fuel oil jet system and its control method

A fuel injection system and methanol fuel technology, applied in fuel injection devices, charging systems, engine components, etc., can solve the problem that methanol fuel engines cannot be cold-started, and achieve low-temperature cold-start problems, improved effects, and long life Effect

Active Publication Date: 2008-01-09
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] The problem to be solved by the present invention is to provide a methanol fuel engine fuel injection system, the purpose of which is to solve the problem that the methanol fuel engine cannot be cold started at low temperature

Method used

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  • Methanol fuel engine fuel oil jet system and its control method

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Embodiment Construction

[0023] Referring to the accompanying drawings, through the description of the embodiments, the specific embodiments of the present invention, such as the shape and structure of the various components involved, the mutual position and connection relationship between the various parts, the role and working principle of the various parts, the fuel oil The control method adopted by the injection system, etc., are further described in detail to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention.

[0024] The structure of the present invention as shown in Fig. 1 and Fig. 2 expression, the present invention is a kind of fuel injection system of methanol fuel engine, is a typical example with commonly used four-cylinder engine among the figure, the engine of different cylinder number is deduced by analogy. The structure of the fuel injection system of the methanol fuel engine i...

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Abstract

This invention discloses fuel oil ejecting system of methanol fuel engine. It includes general oil ejectors, the number of which is the same as that of air cylinders. The controlling circuit of the said general oil ejector connects to the engine electric controlling element. This system also has heating oil ejector, which connects in series with the oil orbit of oil ejector through fuel oil pipe. The fuel oil pipe controlling circuit of the said heating oil ejector connects to engine electric controlling element. This invention can effectively solve the engine low temperature cold boot question. It is safe, easy to assemble, long life span and low cost.

Description

technical field [0001] The invention belongs to the technical field of automobile structure, and relates to the power system of the automobile, more specifically, the invention relates to a low-temperature starting device for a methanol fuel engine. The invention also relates to the control method adopted by the methanol fuel engine low-temperature starting device. Background technique [0002] An important physical property of methanol fuel is that its latent heat of vaporization is 3.7 times that of gasoline, so the heat absorbed by methanol fuel when it evaporates is higher than that of gasoline, which means that it needs a higher temperature to vaporize, so the atomization effect is poor, which is not conducive to Low-temperature cold start, especially in the winter season in the north, methanol fuel enters the combustion chamber of the engine in the form of droplets, and cannot form a mixture of oil and gas, which will cause serious consequences of failure to start. In...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M53/06
Inventor 张小彬常杰吴海霞
Owner CHERY AUTOMOBILE CO LTD
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