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Oil atomizer with short nozzle

A fuel injector and nozzle technology, which is applied to machines/engines, fuel injection devices, engine components, etc., can solve the problems of difficult angle control, inconvenient pressure adjustment, and inability to adjust the degree of atomization. Perfect oil effect and good injection performance

Inactive Publication Date: 2013-12-18
WUXI TIANHONG MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For example, for different models of diesel engines, the degree of atomization cannot be adjusted, the angle control is difficult, the pressure adjustment is inconvenient, etc.

Method used

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  • Oil atomizer with short nozzle

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Embodiment Construction

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. 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.

[0015] see figure 1 , the embodiment of the present invention includes:

[0016] A short-nozzle fuel injector, comprising: a fuel injection body 1 and a needle valve body 2, the oil inlet is arranged on the upper part of the fuel injection body 1, and is connected to the pressure-bearing surface of the needle valve body 2 through an oil passage 5 Connected, high-pressure fuel enters from the top of the fuel injection body 1, and the fuel is sent to the pressure-bearing surface of the needle valve body 2 through the ...

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Abstract

The invention discloses an oil atomizer with a short nozzle, comprising an oil injection body and a needle valve body, wherein an oil inlet is formed in the upper part of the oil injection body, and is communicated with the bearing surface of the needle valve body through an oil duct; a filter element is assembled on the oil inlet; a pressure adjustment device which is arranged on the needle valve body in a pressing way is also arranged in the oil injection body; a needle valve is assembled in the needle valve body; the oil injection nozzle is arranged on the needle valve; the length of the oil injection nozzle is less than 17mm. By using such a mode, the length of the nozzle can be shortened, and is well matched with a diesel with a corresponding model, the oil injection effect can reach perfect, the oil injection performance is good, and the adjustment and control are easy.

Description

technical field [0001] The invention relates to the field of fuel injectors, in particular to a short-nozzle fuel injector. Background technique [0002] The fuel injector is mainly used for single-cylinder air-cooled diesel engines. It is one of the components of the diesel engine fuel supply system. Parts, and the reasonable distribution, in order to form a good combustible mixture with the air. [0003] The fuel injectors in the prior art still have relatively large problems in terms of fuel injection atomization, angle, flow rate, pressure, etc. [0004] For example, for different types of diesel engines, the degree of atomization cannot be adjusted, angle control is difficult, pressure adjustment is inconvenient, etc. Contents of the invention [0005] The technical problem mainly solved by the present invention is to provide a short-nozzle fuel injector with a relatively short nozzle, which can be applied to corresponding diesel engines, has good fuel injection per...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M61/18
Inventor 杨宏
Owner WUXI TIANHONG MACHINERY MFG
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