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Purge control solenoid valve

A solenoid valve and housing technology, applied in valve details, valve device, valve housing structure, etc., can solve the problems of poor filter performance and reduced gas flow area.

Inactive Publication Date: 2016-11-16
HYUNDAI MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, since foreign matter is directly attached to the filter in the process of filtering the gas introduced into the purge control solenoid valve via the inlet port, there is a problem that the gas flow area on the filter surface is reduced, resulting in poor filter performance
[0008] However, since the external chamber for reducing operation noise is installed in the middle part of the intake hose, there is a problem that a large number of operation steps such as coupling of the chamber and packaging of the connection part are caused and additional cost

Method used

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  • Purge control solenoid valve
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Embodiment Construction

[0030] 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 alternatives, modifications, equivalents and others, which may be included within the spirit and scope of the invention as defined by the appended claims. implementation plan.

[0031] figure 1 is a schematic diagram showing a purge control solenoid valve according to various embodiments of the present invention. figure 2 is a schematic diagram showing an intake chamber and an exhaust chamber in a purge control solenoid valve according to various embodiments o...

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Abstract

A purge control solenoid valve may include a housing including an internal space, an intake port, and an exhaust port, a filter dividing the internal space of the housing into an intake chamber in communication with the intake port and an exhaust chamber in communication with the exhaust port, an armature configured to open and close the exhaust port by a solenoid, and a partition wall provided in the intake chamber of the housing to enclose the filter, and having an opening portion formed on one surface thereof, which does not face the intake port, the filter being exposed through the opening portion such that gas introduced from the intake port is filtered by coming into contact with the filter through the opening portion.

Description

technical field [0001] Various embodiments of the present invention relate to a washing control solenoid valve that avoids deterioration of filter performance due to attachment of foreign substances and is adapted to eliminate discomfort of passengers by reducing impulse noise. Background technique [0002] A general purge control solenoid valve is installed on a flow path between a canister and a surge tank. After the fuel gas collected in the canister is introduced through the intake port, foreign substances are filtered from the fuel gas, and the filtered fuel gas is discharged to the surge tank of the internal combustion engine through the exhaust port through the armature On and off. [0003] The structure of such a common cleaning control solenoid valve includes: a housing having an air inlet, an exhaust port and an inner space; a filter arranged in the inner space of the housing; and an electromagnetic coil and the armature, the electromagnetic coil and the armature...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/06B01D35/04
CPCB01D35/04F16K31/0655F16K31/0696F16K27/029F16K31/0651F02M25/0836F02M2025/0845F16K31/02F16K47/02
Inventor 林炳洙徐凤教李桉熙
Owner HYUNDAI MOTOR CO LTD