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Fuel temperature controlling system and fuel temperature controlling method

A technology of a temperature control system and a temperature control method, which is applied in the charging system, combustion air/combustion-air treatment, fuel heat treatment device, etc., can solve the problems of low engine efficiency, emission, unstable fuel temperature control, etc. Improved combustion efficiency and knock mitigation effects

Inactive Publication Date: 2018-10-19
ZHEJIANG GEELY HOLDING (GROUP) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to provide a fuel temperature control system and a fuel temperature control method to alleviate the problems of low engine efficiency, high fuel consumption and serious emissions caused by unstable fuel temperature control of the vehicle engine in the prior art

Method used

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  • Fuel temperature controlling system and fuel temperature controlling method
  • Fuel temperature controlling system and fuel temperature controlling method
  • Fuel temperature controlling system and fuel temperature controlling method

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Embodiment Construction

[0051]The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0052] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, o...

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Abstract

The invention provides a fuel temperature controlling system and a fuel temperature controlling method, and relates to the engine field. The fuel temperature controlling system comprises a vehicle control device, a detection device and an execution device, and controls the fuel temperature such that an actual value of the fuel temperature is maintained within a certain temperature range based on aresult of the vehicle control device comparing an actual parameter to a set parameter. The fuel temperature controlling method comprises a preset step, a detection step, a process step and a fuel temperature control step, and specifically refers to: setting upper and lower limits of the fuel temperature, comparing a detected actual temperature to the upper and lower limits, and regulating an actual temperature value between the upper and lower limits according to a comparison result. The system and the method can alleviate problems such as low engine efficiency, high fuel consumption and severe emission caused by unstable vehicle engine fuel temperature control in the prior art.

Description

technical field [0001] The invention relates to the technical field of engines, in particular to a fuel temperature control system and a fuel temperature control method. Background technique [0002] With the increasingly stringent requirements on vehicle fuel consumption and emissions in various countries, reducing fuel consumption and emissions of automobile engines has become an important issue for major engine manufacturers. Miller cycle, cooling EGR, VVL, in-cylinder water injection, lean combustion and other technologies play an important role in reducing fuel consumption and emission of supercharged gasoline engines. From the analysis of technical feasibility, cost, fuel consumption and emission reduction, etc., Miller cycle and EGR technology are ideal choices, the combination of the two technologies can further reduce engine fuel consumption and emission reduction. [0003] At present, these technologies basically use bench thermodynamics development tests. The var...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M31/20
Inventor 李建陈东亚胡攀李海萌吴小妮李连豹韦虹李军王瑞平
Owner ZHEJIANG GEELY HOLDING (GROUP) CO LTD
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