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A single-hole atomizing fuel injector and its swirl atomizing structure

An atomizing spray and oiler technology, which is applied to fuel injection devices, machines/engines, charging systems, etc., can solve the problems of poor fuel atomization effect, low atomization fineness, and large atomized particle size.

Active Publication Date: 2020-07-07
GUANGXI CARTIER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the electronically controlled fuel injector in the prior art has a circular or annular shape of the nozzle hole, so the fuel atomization effect is not good, the particle size of the atomized particles is large, it is easy to form a liquid beam, and the atomization fineness is low

Method used

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  • A single-hole atomizing fuel injector and its swirl atomizing structure
  • A single-hole atomizing fuel injector and its swirl atomizing structure
  • A single-hole atomizing fuel injector and its swirl atomizing structure

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0028] Please refer to figure 1 , figure 1 It is a schematic diagram of the overall structure of a specific embodiment provided by the present invention.

[0029] In a specific embodiment provided by the present invention, the swirl atomization structure of the single-hole atomizing fuel injector mainly includes a pipe body 1 , a valve seat 2 , a swirl sheet 3 and a metering sheet 4 .

[0030] Wherein, the pipe body 1 is generally the shell of a single-hole ...

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Abstract

The invention discloses a swirl atomizing structure of a single-hole atomizing oil sprayer and further discloses the single-hole atomizing oil sprayer. The swirl atomizing structure comprises a pipe body, a valve seat, a swirl piece and a metering piece, a first mounting groove is formed in the top end of the valve seat, a second mounting groove is formed in the bottom end of the valve seat, and the first mounting groove and the second mounting groove communicate with each other through a valve hole. The swirl piece is tightly attached to the bottom face of the second mounting groove, and themetering piece is tightly attached to the bottom face of the swirl piece. A swirl hole is formed in the swirl piece, and a metering hole is formed in the metering piece. A plurality of swirl grooves are formed in the swirl piece. After a fluid passes through the valve hole, under the effect of the swirl grooves, a fluid beam is impacted to form a turbulent flow or a swirl flow distributed in the swirl groove direction, then when the fluid passes through the metering hole, the atomizing effect is obviously improved, the fluid is more thoroughly atomized, the particle size of atomized particlesis more fine, the fuel oil atomizing effect is improved, mixing and sufficient combustion of fuel oil and air are facilitated, carbon is prevented from being accumulated in a cylinder, and the vehicleemission cleanness is improved. The single-hole atomizing oil sprayer has the beneficial effects.

Description

technical field [0001] The invention relates to the technical field of fuel injectors, in particular to a swirl atomization structure of a single-hole atomizing fuel injector. The present invention also relates to a single-hole atomizing fuel injector comprising the above-mentioned swirl atomizing structure. Background technique [0002] With the development of China's machinery industry, more and more machinery and equipment have been widely used. [0003] In the automobile manufacturing industry, there are thousands of types of auto parts, such as fuel injectors for engines. The fuel injector belongs to the fuel injection system, and the fuel injection system refers to the fuel supply device that uses the fuel injector to inject a certain amount of fuel directly into the cylinder or the intake passage under a certain pressure. According to the different types of injected fuel, it can be divided into gasoline injection system, diesel injection system, gas fuel injection s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M61/16
CPCF02M61/16
Inventor 李永学
Owner GUANGXI CARTIER TECH CO LTD
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