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Oil injector for diesel engine

A fuel injector, diesel engine technology, applied in the direction of machine/engine, mechanical equipment, engine components, etc., can solve the problems of high pressure oil pollution, high pressure oil impurities, complicated installation and connection, etc., to improve fuel injection efficiency, reduce Leaky, simple structure effect

Inactive Publication Date: 2013-07-31
史立新
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The diesel fuel injector in the prior art has a complex structure, complicated installation and connections, and the high-pressure oil is prone to pollution during the transportation process, resulting in more impurities in the high-pressure oil

Method used

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  • Oil injector for diesel engine

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Embodiment Construction

[0013] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0014] see figure 1 , the embodiment of the present invention includes:

[0015] A fuel injector for a diesel engine, comprising: a fuel injection body 1, a fuel injection channel 2 is installed inside the fuel injection body 1, the inlet pipe 3 of the fuel injection channel 2 is arranged horizontally, and the fuel injection channel The outlet pipe 4 of 2 is arranged vertically, and the inlet pipe 3 and outlet pipe 4 of the fuel injection channel 2 are flexibly connected.

[0016] The inlet end 5 of the fuel injection pipeline 2 is arranged in a trapezoidal shape, which can ensure the minimum leakage of high-pressure oil and achieve the purpose ...

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Abstract

The invention discloses an oil injector for a diesel engine. The oil injector comprises an oil injector body, wherein an oil injection channel is mounted inside the oil injector body; an inlet pipeline of the oil injection channel is horizontally arranged; an outlet pipeline of the oil injection channel is vertically arranged; a filter screen is arranged at an inlet end of the oil injection channel; an outlet end of the oil injection channel is connected with a needle valve; an ejector rod is connected onto the needle valve; and a pressure adjusting spring is fixedly mounted on the ejector rod. In the manner, the oil injector for the diesel engine is simple in structure, and can be mounted reliably, improve the oil injection efficiency, reduce oil leakage, purify high pressure oil, filter impurities, and guarantee the cleanliness of the oil inside the oil injection channel.

Description

technical field [0001] The invention relates to the field of diesel engines, in particular to a fuel injector for diesel engines. Background technique [0002] The diesel engine generates high heat through compressed air, and then injects atomized diesel to explode and expand. In this process, the injector plays an important role. [0003] The fuel injector is one of the important parts of the diesel fuel system, which can make the fuel enter the combustion chamber in the form of mist under a certain pressure, and fully mix with the air to facilitate the combustion of the fuel. The diesel fuel injector in the prior art has a complex structure and complicated installation and connection, and the high-pressure oil is prone to pollution during the transportation process, resulting in more impurities in the high-pressure oil. Contents of the invention [0004] The technical problem mainly solved by the present invention is to provide a fuel injector for diesel engine, which ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M61/10F02M61/16
Inventor 史立新
Owner 史立新
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