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Straight-through variable flow solenoid control valve

An electromagnetic control valve and variable flow technology, which is applied in valve details, valve devices, valve operation/release devices, etc., can solve the problems of flow control valve reliability, structural quality and volume that cannot meet the design index requirements, flow adjustment, etc. Unable to achieve functions and other problems, to achieve the effect of simple structure, simple control method, small mass and volume

Active Publication Date: 2020-04-28
XIAN AEROSPACE PROPULSION INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Typical solenoid valves cannot realize their functions because they cannot adjust the flow rate, and the existing flow control valves cannot meet the design index requirements in terms of reliability, structural quality and volume.

Method used

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  • Straight-through variable flow solenoid control valve
  • Straight-through variable flow solenoid control valve

Examples

Experimental program
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Effect test

Embodiment Construction

[0027] figure 1 Shown is the axial sectional view of the internal structure of the present invention, that is, the basic structural form of the present invention, which consists of a main valve body 1, a left coil 2, and a right coil 3 (the coil adopts electromagnetic wires with good conductivity to be wound and dipped in paint and dried made), left spool 8, right spool 10, filter 5, stop iron 6, spring 9, disc spring 7, right valve seat 11 and outer shell 4, two coils are wound on the main valve body, The shell is fitted on the main valve body through interference fit, forming a closed-loop magnetic circuit together with the main valve body and the valve core. The filter 5 and the right valve seat 11 are assembled with the main valve body 1 through threads.

[0028] figure 2 Shown is the axial section view of the structure of the main valve body of the present invention, the main valve body consists of a terminal 101, a left magnetic isolation ring 102, a sleeve 103, a left...

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Abstract

The invention provides a straight-through type variable flow electromagnetic control valve. The straight-through type variable flow electromagnetic control valve comprises an outer shell, a main valve body, a valve element assembly and a coil assembly. A left valve seat is arranged at the middle portion of the main valve body and made of magnetism isolation materials and divides the main valve body into a left part and a right part. A right valve seat is arranged at the medium outlet end of the main valve body. The valve element assembly comprises a left valve element, a left valve element spring, a right valve element and a right valve element spring. The coil assembly comprises a left coil used for controlling the left valve element and a right coil used for controlling the right valve element. The left valve seat, the right valve seat, the left valve element and the right valve element are provided with medium circulation holes. The right valve seat is provided with a throttling hole, one end of the throttling hole communicates with a medium cavity between the right valve seat and the right valve element, and the other end of the throttling hole communicates with the medium circulation hole in the right valve seat. By means of the straight-through type variable flow electromagnetic control valve, flow can be adjusted, and switching of two flow points is achieved.

Description

technical field [0001] The invention relates to a variable flow electromagnetic control valve, in particular to a discontinuous flow electromagnetic control valve, which can be used as a medium flow control valve in equipment such as two-stage variable thrust engines. Background technique [0002] A typical solenoid valve is usually used as a medium on-off control valve, which has the characteristics of simple structure, easy control, and high reliability, but it cannot achieve flow regulation. [0003] Existing flow regulating valves can regulate the flow, but their structures are relatively complex, their reliability is low, and they cannot meet the design requirements in some applications. For example, a variable thrust engine in a power system needs to be equipped with a control valve that can adjust the flow rate. It is required that the fuel flow rate can be switched between two specified flow points under the working pressure, and the control valve is required to be c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/06
CPCF16K31/06
Inventor 雷小飞孙亮袁洪滨曾维亮赵双龙张思坤沙超
Owner XIAN AEROSPACE PROPULSION INST
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