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Oil nozzle capable of automatically controlling pressure

An oil nozzle, automatic technology, applied in the direction of engine components, machines/engines, charging systems, etc., can solve the problems of inconvenience, oil control and management need to be strengthened, etc., to achieve the effect of controllable oil pressure

Active Publication Date: 2018-01-09
徐州鼎力模具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the general oil nozzle can only control the oil pressure at a certain value, and the determination and adjustment of the fixed value need to be manually operated separately, which is very inconvenient
Moreover, the control and management of the oil in the injector used in the oil nozzle needs to be strengthened

Method used

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  • Oil nozzle capable of automatically controlling pressure
  • Oil nozzle capable of automatically controlling pressure
  • Oil nozzle capable of automatically controlling pressure

Examples

Experimental program
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Effect test

Embodiment

[0031] Such as figure 1 As shown, a fuel nozzle 1 that can automatically control the pressure is connected and fixed at the lower end of the fuel injector body 2 to form a fuel injector, wherein,

[0032] The injector body 2 is provided with a top chamber 14, an oil inlet chamber 15 and an oil passage 16 connected in sequence from top to bottom, and the top chamber 14 is provided with a coil 23 and an armature 20 surrounded by the coil 23, The side wall of the injector body 2 on the side of the coil 20 is provided with a power supply tank 18 for supplying power to the coil 23, and the upper end of the armature 20 is connected to the top of the top chamber 14 through a spring 19; It is shaped like a circular frustum that gradually widens downward, and the oil inlet chamber 15 communicates with the external fuel distribution pipe through the oil inlet pipe 17; the oil passage one 16 is provided with a switch plate 22 whose periphery is closely attached to the inner wall of the o...

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PUM

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Abstract

The invention discloses an oil nozzle capable of automatically controlling pressure, and belongs to the technical field of fuel oil supply system control. An oil nozzle is fixedly connected to the lower end of an oil sprayer body; a top cavity, an air feeding cavity and an oil way I are formed inside the oil sprayer body from top to bottom; the oil feeding cavity communicates with the air feedingpipe; a switch plate with the periphery closely fitted to the inner wall of the channel is arranged in the oil way I; a driving device of the switch plate is arranged in the top cavity; an oil way IIand an oil spraying cavity which communicate with each other are formed in the oil nozzle in sequence from top to bottom; an isolation plate block, a spring and a switch ball which are connected in sequence are arranged in the oil way II from top to bottom; the switch ball is located at a joint of the oil way II and the oil spraying cavity; at least two through holes penetrating through the isolation plate block are formed in the isolation plate block; one side of the isolation plate block is connected with a gear driven by a micro motor; the lower part of the oil spraying cavity is graduallynarrowed from top to bottom, and an oil spraying port is formed in the bottom of the oil spraying cavity; and an oil pressure sensor is arranged on one side of the bottom of the oil spraying cavity. The oil nozzle capable of automatically controlling the pressure can efficiently realize automatic pressure control over the oil nozzle, and control and management of oil fluid can be enhanced.

Description

technical field [0001] The invention relates to the technical field of fuel supply system control, in particular to an oil nozzle capable of automatic pressure control. Background technique [0002] The fuel supply system includes a fuel tank, an electric fuel pump, a fuel filter, a fuel distribution pipe, a pulsation damper, a fuel injector, an oil pressure regulator and a fuel return pipe, among which the fuel injector is a precision device with very high machining accuracy , requiring a large dynamic flow range, strong anti-clogging and anti-pollution capabilities, and good atomization performance. The function of the fuel injector is to spray the high-pressure fuel supplied by the fuel injection pump into the combustion chamber at a certain pressure; at the same time, it receives the fuel injection pulse signal sent by the ECU to precisely control the fuel injection quantity. At present, closed injectors are commonly used, which are divided into two types: hole injector...

Claims

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Application Information

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IPC IPC(8): F02M51/06F02M61/18F02M61/20
Inventor 徐福印马传胜颜景龙徐广明徐新丽王其祥
Owner 徐州鼎力模具有限公司
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