Electric control gasoline injector

A gasoline injector and electronic control technology, which is applied to machines/engines, fuel injection devices, engine components, etc., can solve the problems of high cost, high processing difficulty, and high processing conditions, and achieves light weight, convenient processing, The effect of processing simplification

Inactive Publication Date: 2009-05-20
柳州华威电控技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an electronically controlled gasoline injector with good product performance consistency, low requirements on processing conditions, low processing difficulty, and low cost, so as to solve the problem of processing parts of existing electronically controlled gasoline injectors. High requirements, difficult processing and high cost

Method used

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  • Electric control gasoline injector
  • Electric control gasoline injector
  • Electric control gasoline injector

Examples

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Embodiment Construction

[0038] An electronically controlled gasoline fuel injector, comprising a housing (7), a valve core (5), a metering hole valve seat, an iron core (3), a guide sleeve (6), and an electromagnetic coil (17) with a wire holder (20) , degaussing sheet (18), oil inlet pipe (23), spring (16) and plastic casing (2), and the guide sleeve (6) with the spool (5) inside is mounted on one end of the casing (7), and the spring (16) is installed in the inner hole of the spool (5) and extends into one end of the inner hole of the iron core (3), and one end of the guide sleeve (6) is equipped with the valve seat (10), O-shaped sealing ring II ( 13), O-ring IV (15), orifice plate (12), cover (11) composed of orifice valve seat, coil (17) and iron core ( 3), the inner hole of the iron core (3) with the spring (16) extending into the end is equipped with a hollow opening elastic pin (22), and the elastic pin (22) and the iron core (3) are welded and fixed on the upper end surface (31) of the iron ...

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Abstract

The present invention relates to an electrically-controlled gasoline injector. It includes the following several portions: shell body, valve core, metering orifice valve seat, iron core and guide bushing, electromagnetic coil, demagnetization piece, oil inlet pipe, spring and plastic outer shell. Said invention also provides the connection mode of all the above-mentioned portions and also provides the production method of said electrically-controlled gasoline injector.

Description

Technical field: [0001] The invention relates to a fuel injector used in an electronically controlled gasoline engine fuel injection system, in particular to an electronically controlled gasoline injector suitable for a common rail electronically controlled gasoline engine fuel supply system. Background technique: [0002] Electronically controlled gasoline injectors are important components of modern gasoline engines. The currently used electronically controlled gasoline injectors for gasoline engines have the characteristics of accurate fuel injection and fast response to electrical excitation signals. However, the processing conditions of these gasoline injectors require High, difficult and costly. Invention content: [0003] The purpose of the present invention is to provide an electronically controlled gasoline injector with good product performance consistency, low requirements on processing conditions, low processing difficulty, and low cost, so as to solve the prob...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M51/06F02M61/04
Inventor 林小东彭千
Owner 柳州华威电控技术有限公司
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