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Electromagnetic valve

A technology for solenoid valves and valve seats, applied in the field of solenoid valves, which can solve problems such as misalignment, sealing elements that cannot fully reach the seat, leakage, etc.

Inactive Publication Date: 2017-06-09
KENDRION VILLINGEN GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has been shown that loose sealing elements cannot fully follow the axial movement of the rotor, the so-called travel, so that the valve cannot be fully opened or closed
In the case of sealing elements arranged in such a way as to be connected and fixed to the rotor, misalignment between the axis and the valve seat can result here, which in some cases may prevent the sealing element from fully reaching its seat and therefore may leak

Method used

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Examples

Experimental program
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Embodiment Construction

[0037] figure 1 A solenoid valve 1 is shown as a 2 / 2-way control valve with a cylindrical valve body 2 . The coil 9 is arranged to be wound onto the coil base 8 inside the valve body 2 . The coil base 8 comprises an axial through opening through which the rotor 10 is displaceable along the first axis A.

[0038] Immediately after energizing the coil 9 , an electromagnetic force is exerted on the rotor 10 such that it moves along the first axis A in the direction towards the valve seat 3 . The solenoid valve 1 is embodied in such a way that the solenoid valve 1 can block in a linear manner when fully energized, regardless of the different forces generated at the valve seat 3 at different inlet pressures.

[0039] The actuating element 4 is arranged on the rotor 10, which is embodied as a tappet 30, as in Figure 4 shown in . Tappet 30 is made of steel. Alternatively, the tappet 30 can also be made of synthetic material.

[0040] According to the invention, the tappet 30 a...

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Abstract

The invention is an electromagnetic valve (1), comprising at least one valve seat (3) arranged between at least one inlet channel (5) and at least one outlet channel (6), a sealing element (20) by which the valve seat (3) can be closed, and an actuating element (4) by which the sealing element (20) can be moved in order to close the valve seat, with the actuating element (4) comprising at its end (4a) pointing to the sealing element a cup-shaped seat (4a), with a support element (21) being arranged in said cup-shaped seat, and a sealing element that is connected fixed to the support element.

Description

technical field [0001] The invention relates to a solenoid valve according to the preamble of claim 1 . Background technique [0002] Solenoid valves are known in the prior art. Usually, such valves show a substantially cylindrical valve body, wherein the excitation coil is wound on the coil base and wherein the rotor is arranged in the axial penetration opening of the coil base, after the excitation coil is energized, The rotor is displaceable along a first axis, preferably a central axis. During the axial displacement of the rotor, the sealing element, which is arranged on one side of the rotor, is pressed into the valve seat or released therefrom. [0003] A valve generally comprises at least one connection for an inlet, also called an inlet channel, and at least one connection for an outlet, also called an outlet channel. The sealing element can be switched into various positions, at least an open position, in which the sealing element does not seal a connection, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/32F16K31/06F16K1/14
CPCF16K1/14F16K1/32F16K31/0665F02M63/0017F02M63/0078
Inventor 乔奇姆·弗鲁斯霍格尔·勃兰登堡比约恩·伯格菲尔德弗兰克·泽拉诺
Owner KENDRION VILLINGEN GMBH
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