Engine

An engine and spark plug technology, applied in the field of vehicle engines, can solve the problems of insufficient time for complete evaporation of fuel, reduce the service life of parts, and easily generate carbon deposits, etc., achieve simplified structure and electronic control design, ensure stability, and small temperature changes Effect

Inactive Publication Date: 2011-07-13
CHERY AUTOMOBILE CO LTD
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The above-mentioned wall surface and airflow guidance method will easily cause the oil mist to collide with the piston top and cylinder wall, and the temperature of the cylinder wall is relatively low, which will cause the fuel to evaporate completely before the fire, and the problem of "wet wall" will occur. Easy to generate carbon deposits, resulting in worsening emissions
"Wet wall" will also dilute the engine oil, resulting in poor lubrication of the main moving parts, severe wear, and reduced service life of related parts

Method used

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Embodiment 1

[0018] Such as figure 1 As shown, the engine of this embodiment includes a piston 1, a cylinder, a fuel injector 3 and a spark plug 4, and in particular, a fuel injector 3 is arranged in each cylinder of the engine, and the fuel injector 3 is vertically arranged on the cylinder head 2, the spark plug 4 is close to and obliquely near the fuel injector 31 of the fuel injector, and the side electrode 41 of the spark plug 4 faces away from the direction of the fuel injector 31 of the fuel injector 3 and is located in the direction of the fuel jet 31 ejected from the fuel injector 31. edge.

[0019] In order to ensure the installation angle and firmness of the spark plug 4, the spark plug 4 is fixed to the cylinder head 2 by threads, and the surface of the spark plug 4 and the screw hole of the cylinder head 2 are provided with installation positioning marks. The outer sealing washer of the spark plug 4 adopts a copper plane washer, and the upper part of the fuel injector 3 is pre...

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Abstract

The invention aims to provide an environment-friendly engine capable of avoiding wetting walls and provided with good fuel economy. The engine comprises a piston, cylinders, oil atomizers and a spark plug. Especially, an oil atomizer is arranged in each cylinder of the engine, the oil atomizer is arranged in the centre of a cylinder cover, and the spark plug is close to an oil injection nozzle of the oil atomizer and inclines towards the oil injection nozzle of the oil atomizer, the side electrode of the spark plug deviates from the oil injection nozzle of the oil atomizer and locates in the edge of spray sprayed by the oil injection nozzle. The engine has simple structure, solves the problem of wetting walls of the prior engine, has good fuel economy and environmental protection, and accords with development tendency of the modern engine.

Description

technical field [0001] The invention belongs to the technical field of vehicle engines. Background technique [0002] The key to engine direct injection technology is to control the distribution of mixture concentration in space and its change with time. By adopting high-precision high-pressure injectors and in-cylinder airflow control technology, the combustion mode can be switched according to the operating area. It can achieve high fuel economy and high performance, and reduce environmental pollution. [0003] The traditional in-cylinder direct injection engine adopts the long-distance arrangement of the fuel injector away from the spark plug. The fuel injector is arranged on the side of the intake valve, the opening of the corresponding piston pit points to the intake side, and the spark plug is arranged in the middle of the cylinder head. , the air inhaled during the intake stroke is forced to flow down the cylinder wall through a vertical intake port with a special sh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02B23/10F02M61/14
CPCY02T10/125Y02T10/12
Inventor 王斌朱小平
Owner CHERY AUTOMOBILE CO LTD
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