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Non-continuous bamboo hat shaped spray burning system

A spray combustion, internal combustion engine technology, applied in the direction of internal combustion piston engines, combustion engines, mechanical equipment, etc., can solve the problems of easy mutual interference of wall-blocking sprays, easy penetration of wall-blocking sprays, etc., achieve reasonable radial distribution, improve comprehensive performance, and spread area big effect

Inactive Publication Date: 2007-04-25
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

Its disadvantages are: when it is applied on a diesel engine, the wall-impact spray can easily penetrate to the bottom surface of the cylinder head or the bottom surface of the combustion chamber, forming fuel accumulation; in order to obtain sufficient collision strength, only a small-caliber deep combustion chamber can be used; Sprays that hit the wall are easy to interfere with each other

Method used

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  • Non-continuous bamboo hat shaped spray burning system

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Embodiment Construction

[0007] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0008] As shown in Figure 1, the present invention comprises a cylinder head 1, a sealing gasket 2, a porous injector 3, a sealing copper pad 9, a cylinder 10, a piston ring 11, a piston 12, a combustion chamber 13, and a central boss 14. The multi-hole injector 3 is a traditional internal combustion engine injector with 4 to 8 injection holes and a cone angle of 80° to 140°. The cylinder head 1 is a general internal combustion engine cylinder head. The multi-hole injector 3 is fixed in the cylinder head 1, and a sealing gasket 2 is installed between the two. Combustion chamber 13 is straight mouth type or narrowing mouth type, and the central part of its bottom wall protrudes to form a rotary boss——central boss 14 . It squeezes part of the air near the centerline of the combustion chamber 13 to the outside, so that it can be fully util...

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Abstract

The combustion system is mainly composed of multiple hole oill nozles, cylinder shield and combustor, the number of the nozzle is the multiple hole oil sprayer is 4-8, the cone angle of the spout is 80-140 deg.c. The combustor is straight or necking down. The bottom central part bulging into the central protuberance, the fuel from each spout form solid cone spray, after collision with the side of the round platform. The wall spray is formed,and becomes float spray after leaving the round platform. The expanding wall spray and float spray form the status of bamboo hat discontinuously.

Description

technical field [0001] The invention relates to a discontinuous hat-shaped spray combustion system for an internal combustion engine, in particular to a discontinuous hat-shaped spray combustion system for a compression ignition internal combustion engine such as a diesel engine, and belongs to the technical field of power machinery engineering. Background technique [0002] The internal combustion engine includes a compression ignition type represented by a diesel engine and an ignition type internal combustion engine represented by a gasoline engine. Their performance mainly depends on the combustion system. The combustion system of a compression ignition internal combustion engine mainly includes a fuel injector, a combustion chamber and a cylinder head. The porous fuel injector is used to directly inject fuel into the cylinder, generally forming 4 to 8 beams of solid conical fuel spray. This kind of spray has a dense and poorly atomized core part; because the spray cone...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02B23/00F02F3/26F02F1/42
CPCY02T10/125Y02T10/12
Inventor 乔信起黄震李孝禄方俊华肖进
Owner SHANGHAI JIAO TONG UNIV
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