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Solenoid valve

A solenoid valve and electromagnetic force technology, applied in the field of solenoid valves, can solve problems such as adverse effects on driver satisfaction, serious accidents, and degradation of automatic transmission performance

Inactive Publication Date: 2017-10-10
HYUNDAI MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, when foreign substances introduced into the solenoid valve affect the internal pressure of the solenoid valve, the automatic transmission performance of engine-driven vehicles or hybrid vehicles deteriorates
Deterioration of automatic transmission performance has an adverse effect on driver satisfaction and can lead to serious accidents

Method used

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  • Solenoid valve

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Embodiment Construction

[0019] Reference will now be made in detail to various embodiments of the invention, examples of which are illustrated in the accompanying drawings and described below. While the invention will be described in conjunction with exemplary embodiments, it will be understood that present description is not intended to limit the invention to those exemplary embodiments. On the contrary, the invention is intended to cover not only the exemplary embodiments, but also various alternatives, modifications, equivalents and other embodiments within the spirit and scope of the invention as defined by the appended claims.

[0020] figure 1 is a schematic diagram of a solenoid valve according to various embodiments of the present invention.

[0021] like figure 1 As shown, the solenoid valve 100 according to various embodiments of the present invention includes a retainer part H, a magnetic part M, and a core part 140 that forms a boundary between the retainer part and the magnetic part ...

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Abstract

A solenoid valve may include a magnetic force generating coil applied with power to generate an electromagnetic force, a valve spool disposed to reciprocate depending on the electromagnetic force generated from the magnetic force generating coil, a holder including a hollow into which the valve spool inserted, the holder forming a plurality of ports to be opened and closed depending on the reciprocating of the valve spool, and a permanent magnet disposed to enclose the hollow of the holder.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Korean Patent Application No. 10-2016-0037480 filed on March 29, 2016, the entire contents of which are incorporated herein by reference for all purposes. technical field [0003] The present invention relates to a solenoid valve, and more particularly, to a solenoid valve capable of preventing internal pressure from rising. Background technique [0004] Generally, solenoid valves are mainly divided into hydraulic solenoid valves for hydraulic circuits, air solenoid valves for pneumatic circuits, solenoid valves that use only electromagnetic force, and so on. [0005] Among them, the hydraulic solenoid valve controls the hydraulic flow generated by the hydraulic pump to start, stop, change the direction of movement of the work equipment, and the like. [0006] For example, hydraulic solenoid valves may be used in operating devices such as automatic transmissions of vehicles. An ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/06F16K31/08F16K11/07F16H61/02
CPCF16H61/0251F16K31/0613F16K31/082B03C1/0332B03C1/286B03C1/30B03C2201/18B03C2201/30F16K11/07F16K11/065F16K27/048F16K31/0603F16K31/061H01F7/08
Inventor 李俊澔金永哲
Owner HYUNDAI MOTOR CO LTD