KR20160111819A - Solenoid valve of airtight type - Google Patents

Solenoid valve of airtight type Download PDF

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Publication number
KR20160111819A
KR20160111819A KR1020150077662A KR20150077662A KR20160111819A KR 20160111819 A KR20160111819 A KR 20160111819A KR 1020150077662 A KR1020150077662 A KR 1020150077662A KR 20150077662 A KR20150077662 A KR 20150077662A KR 20160111819 A KR20160111819 A KR 20160111819A
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KR
South Korea
Prior art keywords
electromagnet
permanent magnet
main body
fluid passage
accommodating portion
Prior art date
Application number
KR1020150077662A
Other languages
Korean (ko)
Inventor
김진민
Original Assignee
김진민
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김진민 filed Critical 김진민
Priority to PCT/KR2016/005561 priority Critical patent/WO2016195317A1/en
Publication of KR20160111819A publication Critical patent/KR20160111819A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/04—Construction of housing; Use of materials therefor of sliding valves
    • F16K27/048—Electromagnetically actuated valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F16K31/0668—Sliding valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
    • F16K31/082—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet using a electromagnet and a permanent magnet

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

The present invention relates to a sealed electronic valve. The sealed electronic valve is closely attached to the outside of a fluid passage to enable an electromagnet and a steel sheet or the electromagnets to be installed and controls a flow of the fluid by using a permanent magnet moving inside the fluid passage between the electromagnet and the steel sheet or the electromagnets and moving outside the fluid passage depending on polarity variation of the electromagnet caused by instant power supply. The electromagnet and the steel sheet or the electromagnets moving the permanent magnet controlling the flow of the fluid are disposed outside the fluid passage so that an electric wire is not required to be connected into the fluid passage, thereby providing an almost perfect sealing force required for the fluid passage.

Description

[0001] The present invention relates to a solenoid valve of airtight type,

More particularly, the present invention relates to a closed electromagnetic valve in which a permanent magnet in a fluid passage moves in accordance with a polarity change of an electromagnet by an instantaneous power supply between an iron plate and an electromagnet outside the fluid passage, To a hermetically sealed electronic valve.

A solenoid valve, such as an electromagnetic valve according to the present invention, usually controls the flow of fluid by moving the valve body according to the change of the polarity of the electromagnet. As an example, as a 'magnetic valve' of Patent Document 1 described in the prior art document And the power is shut off by the input signal of the limit switch when the piston which is moved by the magnetic force of the electromagnets provided at the both sides inside the sealed body opens and closes the flow path and forms an inlet and an outlet respectively on the upper surface and the lower surface of the sealed body And at the same time, an electromagnet is mounted on the opposing surface of the inner surface, and a piston having a hole that can be associated with the inlet and the outlet is provided in the body. When power is supplied to the electromagnet, And the power is shut off at the same time.

Also, as in the 'patent document 2' valve using the interaction between the polarity change of the permanent magnet and the polarity ', the control permanent magnet; A polarity changing coil wound around the control permanent magnet to change a polarity of the control permanent magnet; A fixing member provided for fixing the control permanent magnet and the polarity changing coil; A guide member connected to the fixing member; A moving member guided by the guide member and provided so as to be able to reciprocate in a line; And a driving permanent magnet fixedly provided on the movable member toward the control permanent magnet, wherein the polarity of the control permanent magnet changes in accordance with a current direction applied to the polarity changing coil, and the control permanent magnet The driving permanent magnet receives a pulling force or a repulsive force from the control permanent magnet so that the moving member reciprocates along the guide member.

However, in order to supply power to the electromagnet or the permanent magnet wound around the coil, the electromagnet or the permanent magnet wound with the coil is installed inside the body or the fixing member. The electric wire must be connected. Therefore, after the electric wire is connected to the outside of the body or the fixing member, a packing for sealing the electric wire necessarily is required.

However, there is a limit to such a packing, and there is a limitation in a perfect sealing force, and since all the constituent elements such as an electromagnet or a permanent magnet and a valve must be disposed in the body or the fixing member, the structure becomes complicated, There is a problem of rising.

Korean Patent Publication No. 1999-0048183 Korean Patent Registration No. 10-1094271

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and its object is to provide an electromagnet and an iron plate or an electromagnet and an electromagnet for moving a permanent magnet which is disposed in a fluid passage, Thereby providing a hermetic type electromagnetic valve which is capable of forming a perfect sealing force without connecting an electric wire to the inside of the fluid passage.

Another object of the present invention is to provide a hermetic electronic valve that minimizes power consumption by performing polarity conversion of an electromagnet for moving a permanent magnet by instantaneous power supply.

Another object of the present invention is to provide a hermetically sealed electronic valve in which fluid can flow at any time by forming outflow ports in different directions.

In order to achieve the above object, the closed electromagnetic valve of the present invention is characterized in that an electromagnetic electromagnet, an iron plate, an electromagnet and an electromagnet are installed in close contact with the outside of the fluid passage, And the flow of the fluid is controlled by the permanent magnet moving in and out of the fluid passage between the iron plate or the electromagnet and the electromagnet.

The electromagnetic valve may further include: a main body connected to the fluid passage between the inlet and the outlet so that the permanent magnet accommodating portion protrudes; An iron plate adhered to one side of the main body facing the permanent magnet accommodating portion; An electromagnet closely attached to the other side of the main body at the side of the permanent magnet accommodating portion; An on / off switch electrically connected to the electromagnet for instantaneous power supply; And a permanent magnet moving between the permanent magnet accommodating portion and the iron plate in the fluid passage according to the polarity change of the electromagnet by the on / off switch.

It is also preferable that an iron plate adheres to one side of the outside of the main body and an electromagnet is closely attached to the other side of the main body of the permanent magnet accommodating portion.

The electromagnetic valve may further include: a main body connected to the fluid passage between the inlet and the outlet so that the permanent magnet accommodating portion protrudes; A first electromagnet closely attached to one side of the main body facing the permanent magnet accommodating portion; A second electromagnet which is in close contact with the other side of the outside of the main body of the permanent magnet accommodation portion and is electrically connected to the first electromagnet; An on / off switch electrically connected to the second electromagnet for instantaneous power supply; And a permanent magnet moving between the permanent magnet accommodation portion and the first electromagnet or the second electromagnet in the fluid passage according to the polarity change of the electromagnet by the on / off switch.

It is also preferable that the first electromagnet is in close contact with one side of the main body and the second electromagnet is in close contact with the other side of the main body in the permanent magnet accommodating portion side.

It is also preferable that the main body is made of a material which is not influenced by the magnetic force.

The inlet and outlet are preferably formed on both sides of the body between the iron plate and the electromagnet or between the electromagnet and the electromagnet.

Preferably, the inlet is formed on one side of the body between the iron plate and the electromagnet or between the electromagnet and the electromagnet, and the outlet is formed on the main body on the side of the iron plate or the electromagnet.

And a timer switch connected to the on / off switch.

And a further outlet formed in the permanent magnet accommodating portion of the main body opposite to the inlet.

According to the closed electromagnetic valve of the present invention, since the electromagnets, the iron plates, the electromagnets, and the electromagnets that move the permanent magnets for controlling the flow of the fluid are disposed outside the fluid passages, and the connection of the electric wires to the inside of the fluid passages is not necessary, The sealing force required for the fluid passage can be almost completely provided.

In addition, since the electromagnet, the iron plate, or the electromagnet and the electromagnet are arranged outside the fluid passage, the structure is simplified, and the production cost is thereby reduced.

In addition, since the electromagnet is operated by the momentary power supply by the on / off switch, there is no need to connect to the wiring in the normal state, so that the power consumption can be minimized. When the timer is connected to the on / off switch, The power consumption can be minimized.

Further, when another outlet is formed in the main body, there is an effect that the fluid can always flow in either direction.

1 is a longitudinal sectional view of a closed electromagnetic valve according to a first embodiment of the present invention,
2 is a longitudinal sectional view of the closed electromagnetic valve according to the first embodiment of the present invention in a fluid-flow open state
3 is a longitudinal sectional view of the closed electromagnetic valve according to the second embodiment of the present invention,
4 is a longitudinal sectional view of the closed electromagnetic valve according to the second embodiment of the present invention,
5 is a longitudinal sectional view of the closed electromagnetic valve according to the third embodiment of the present invention,
6 is a longitudinal sectional view of the closed electromagnetic valve according to the third embodiment of the present invention in a fluid-flow open state
7 is a longitudinal sectional view of the closed electromagnetic valve according to the fourth embodiment of the present invention,
8 is a longitudinal sectional view of the closed electromagnetic valve according to the fourth embodiment of the present invention,
9 is a longitudinal sectional view of the closed electromagnetic valve according to the fifth embodiment of the present invention in the fluid flow closing operation state
10 is a longitudinal sectional view of the closed electromagnetic valve according to the fifth embodiment of the present invention,

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a hermetic type electromagnetic valve according to the present invention will be described in detail with reference to the accompanying drawings. It is to be understood that the present invention is not limited to the disclosed embodiments, but may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, It is provided to inform.

FIG. 1 is a longitudinal sectional view of a closed electromagnetic valve according to a first embodiment of the present invention in a fluid flow closing operation state, and FIG. 2 is a longitudinal sectional view of a fluid flow opening state of a hermetic type electromagnetic valve according to the first embodiment of the present invention Respectively.

1 and 2, a closed type electromagnetic valve according to an embodiment of the present invention includes a body 1, an iron plate 2, a permanent magnet 3 serving as a valve, an electromagnet 4, / Off switch 5 as a basic configuration.

The main body 1 has an inlet 6 formed at one side and an outlet 7 formed at the other side so that a fluid passage is formed between the inlet and the outlet 6 and between the inlet 6 and the outlet 7, The permanent magnet accommodating portion 8 is formed so as to have a T shape as a whole. Accordingly, such a T-shaped head becomes the fluid passage, and the leg portion becomes the permanent magnet accommodating portion 8.

The iron plate 2 is installed between the inlet 6 and the outlet 7 in close contact with the outer surface of the main body 1 opposite to the permanent magnet accommodating portion 8.

The permanent magnet 3 serves as a valve for opening and closing the flow of fluid while being moved between the fluid passage and the permanent magnet accommodating portion 8 while being accommodated in the permanent magnet accommodating portion 8 of the main body 1 do. It is preferable that the size of the permanent magnet 3 is made to be slightly larger than the diameter of the fluid passage in order to close the fluid passage so as to be completely closed.

The electromagnet 4 is installed in close contact with the outer surface of the permanent magnet accommodating portion 8 on the outer side of the main body 1.

The on / off switch 5 is connected to the electromagnet 4 from the outside of the main body 1 and operates only when the polarity of the electromagnet 4 is changed, After the operation, the electromagnet 4 is not operated because it is separated from the wiring.

Since the iron plate 2 and the electromagnet 4 are installed to be affected by the magnetic force together with the permanent magnet 3, the main body 1 is preferably made of a material that is not affected by the magnetic force.

Further, the positions of the iron plate 2 and the electromagnet 4 can be changed as required.

Referring to FIGS. 1 and 2, the operation state of the closed type electromagnetic valve according to the first embodiment of the present invention will be described below.

1, when the polarity of the electromagnet 4 is changed to the same polarity as that of the permanent magnet 3 by the operation of the on / off switch 5, the permanent magnets 3 Is pushed and attached to the steel plate 2 while being pushed, thereby closing the fluid passage of the main body 1 so that the fluid does not flow.

When the polarity of the electromagnet 4 is changed to a pole different from that of the permanent magnet 3 by the operation of the on / off switch 5, the permanent magnet 3 attached to the iron plate 2 is electromagnet (4) and is accommodated in the permanent magnet accommodating portion (8), so that the fluid flows out of the fluid passage of the main body (1) and opens.

The on / off switch 5 is normally disconnected from the wire and is connected to the wire only when it is operated. The on / off switch 5 instantaneously supplies power to the electromagnet 4 so that the use of electric power for moving the permanent magnet 3 It can be minimized. Even if the permanent magnet 3 is attached to the iron plate 2 by its magnetic force even when the power is not supplied and the electromagnet 4 is not magnetized normally in the normal state when the on / off switch 5 is not operated, 4) since it is attached to the coil core of the coil.

On the other hand, when the timer switch is connected to the on / off switch 5, even if the power is connected to the wiring, the power is supplied 1 to 2 seconds after the ON / OFF switch 5 is operated by the operation of the timer switch Power is not supplied to the electromagnet 4 whenever the on / off switch 5 is not operated.

FIG. 3 is a longitudinal sectional view of a closed electromagnetic valve according to a second embodiment of the present invention in a fluid flow closed state, and FIG. 4 is a longitudinal sectional view of a fluid flow open state of a closed electronic valve according to a second embodiment of the present invention It is.

3 and 4, the closed-type electromagnetic valve according to the second embodiment of the present invention is constructed such that the outlet 7 formed in the main body 1 is connected to the iron plate 2 at the opposite side of the permanent magnet accommodating portion 8 And is disposed at a right angle to the inlet 6. Therefore, the permanent magnet 3 moves toward the outlet 7 by the operation as described above, and directly blocks the outlet 7 to close the flow of the fluid. In this case, the size of the permanent magnet 3 may be larger than that of the fluid passage because the outlet 7 is only required to be blocked. In this case, the central portion of the steel plate 2 should be a passage of the outlet 7, so that it is opened.

Except that the outlet 7 is formed on the side of the steel plate 2 of the main body 1. The same reference numerals are given to the same components as those of the above-described electronic valve of the first embodiment, And the setting of the timer switch are the same as those of the electromagnet valve of the first embodiment.

FIG. 5 is a longitudinal sectional view of the closed electromagnetic valve according to the third embodiment of the present invention, and FIG. 6 is a longitudinal sectional view of the closed electromagnetic valve according to the third embodiment of the present invention, Respectively.

5 and 6, the closed-type electromagnetic valve according to the third embodiment of the present invention is a closed-type electromagnetic valve using an electromagnet instead of an iron plate, in which the electromagnet on the iron plate becomes the first electromagnet 4-1, The electromagnet on the side of the magnet accommodating portion 8 becomes the second electromagnet and the first electromagnet 4-1 and the second electromagnet 4 are electrically connected to each other. At this time, the inlet 7 is formed on the first electromagnet 4-1 and has the same configuration as the closed type electromagnetic valve of the second embodiment except for the first electromagnet 4-1, The timer switch is also installed in the same manner as the closed electromagnetic valve of the second embodiment.

The operating state of the closed electromagnetic valve of the third embodiment will be described with reference to FIGS. 5 and 6. FIG.

When the polarity of the first electromagnet 4-1 is changed to a different polarity from that of the permanent magnet 2 by the operation of the on / off switch 5 and the polarity of the second electromagnet 4 is changed to the same polarity, The permanent magnet 2 in the magnet accommodating portion 8 is pushed and attached to the first electromagnet 4-1 while being pushed so that the outlet 7 of the main body 1 is closed to close the fluid passage through the fluid passage .

When the polarity of the first electromagnet 4-1 is changed to the same polarity as that of the permanent magnet 2 by the operation of the on / off switch 5 and the polarity of the second electromagnet 4 is changed to another polarity, The permanent magnet 2 attached to the first electromagnet 4-1 moves toward and adheres to the second electromagnet 4 having a larger adherence force so that the outlet 7 of the main body 1 is opened to allow the fluid And is opened to flow.

The on / off switch 5 is normally disconnected from the wire and is connected to the wire only when it is operated. The on / off switch 5 instantaneously supplies power to the second electromagnet 4, so that the power for moving the permanent magnet 2 The use can be minimized. Thus, even if the second electromagnet 4 is not magnetized because the power is not supplied during normal operation when the on / off switch 5 is not operated, the permanent magnet 2 can be rotated by the first electromagnet 4-1 ) Or the coil iron core of the second electromagnet (4).

7 is a longitudinal sectional view of a closed electromagnetic valve according to a fourth embodiment of the present invention in a fluid flow closing operation state, and Fig. 8 is a longitudinal sectional view of a fluid flow opening state of a hermetic type electromagnetic valve according to a fourth embodiment of the present invention Respectively.

7 and 8, the closed electromagnetic valve according to the fourth embodiment of the present invention uses a first electromagnet 4-1 and a second electromagnet 4 as in the third embodiment of the present invention Only the inlet port 6 and the outlet port 7 are formed in a straight shape on both sides of the main body 1 like the electronic valve of the first embodiment described above.

Therefore, the configurations other than those of the inlet port 6 and the outlet port 7 are the same as those of the electronic valve of the third embodiment, and are given the same reference numerals, and the operating state is the same as that of the electronic valve of the third embodiment, do.

FIG. 9 is a longitudinal sectional view of a closed electromagnetic valve according to a fifth embodiment of the present invention, and FIG. 10 is a longitudinal sectional view of the closed electromagnetic valve according to the fifth embodiment of the present invention, Respectively.

9 and 10, the closed type electromagnetic valve according to the fifth embodiment of the present invention has the same configuration as that of the electromagnetic valve according to the third embodiment described above, except that only the inlet port 6 And another outlet 7-1 is formed in the main body 1 slightly lower than the outlet 7-1. The configuration other than the above-mentioned other outlet 7-1 is the same as that of the electromagnetic valve of the third embodiment, and the same reference numerals are given thereto.

Therefore, the permanent magnet 2 moves between the first electromagnet 4-1 and the second electromagnet 4 as in the electromagnetic valve of the third embodiment described above, and the permanent magnet 2 is placed on the first electromagnet 4-1 side, (2), the outlet (4) is clogged and another outlet (7-1) is opened and the fluid flows out through it. The permanent magnet 2 moves between the first electromagnet 4-1 and the second electromagnet 4 as in the case of the electromagnetic valve of the third embodiment and the permanent magnets 2 The other outlet 7-1 is closed and the outlet 7 is opened and the fluid flows out through it.

In the case of the electromagnetic valve of the fifth embodiment described above, the fluid is always used to flow in one direction, that is, to the outflow port 7 or another outflow port 7-1.

As described above, the hermetic type electromagnetic valve according to the present invention has been described with reference to the drawings. However, the present invention is not limited to the embodiments and drawings disclosed in the present specification, It will be understood that various modifications may be made by those skilled in the art.

1: Main body 2: Steel plate
3: permanent magnet 4: electromagnet or second electromagnet
4-1: first electromagnet 5: on / off switch
6: inlet 7: outlet
7-1: another outlet 8: permanent magnet accommodating portion

Claims (10)

And an electromagnet, an iron plate, or an electromagnet and an electromagnet are installed in close contact with the outside of the fluid passage, and the electromagnet is moved in and out of the fluid passage between the electromagnet and the electromagnet and the electromagnet in accordance with the polarity change of the electromagnet by momentary power supply And the flow of the fluid is controlled by the permanent magnet. The method according to claim 1,
The electromagnetic valve includes:
A body connected to the fluid passage between the inlet and the outlet to protrude the permanent magnet accommodating portion;
An iron plate adhered to one side of the main body facing the permanent magnet accommodating portion;
An electromagnet closely attached to the other side of the main body at the side of the permanent magnet accommodating portion;
An on / off switch electrically connected to the electromagnet for instantaneous power supply;
And a permanent magnet moving between the permanent magnet accommodating portion and the iron plate in the fluid passage according to the polarity change of the electromagnet by the on / off switch. 3. The method of claim 2,
Wherein an iron plate is closely attached to one side of the main body and an electromagnet is closely attached to the other side of the main body of the permanent magnet accommodating portion side. The method according to claim 1,
The electromagnetic valve includes:
A body connected to the fluid passage between the inlet and the outlet to protrude the permanent magnet accommodating portion;
A first electromagnet closely attached to one side of the main body facing the permanent magnet accommodating portion;
A second electromagnet which is in close contact with the other side of the outside of the main body of the permanent magnet accommodation portion and is electrically connected to the first electromagnet;
An on / off switch electrically connected to the second electromagnet for instantaneous power supply;
And a permanent magnet moving between the permanent magnet accommodating portion and the first electromagnet or the second electromagnet in the fluid passage according to the polarity change of the electromagnet by the on / off switch. 5. The method of claim 4,
Wherein a first electromagnet is closely attached to one side of the main body and a second electromagnet is closely attached to the other side of the main body of the permanent magnet accommodating portion side. 5. The method according to any one of claims 2 to 4,
Wherein the main body is made of a material which is not affected by magnetic force. 5. The method according to any one of claims 2 to 4,
Wherein the inlet port and the outlet port are formed on both sides of the body between the iron plate and the electromagnet or between the electromagnet and the electromagnet. 5. The method according to any one of claims 2 to 4,
Wherein the inlet port is formed on one side of the main body between the iron plate and the electromagnet or between the electromagnet and the electromagnet, and the outlet port is formed in the main body on the side of the iron plate or the electromagnet. 5. The method according to any one of claims 2 to 4,
Further comprising a timer switch connected to said on / off switch. 9. The method of claim 8,
Further comprising another outlet formed at the side of the permanent magnet accommodating portion of the main body opposite to the inlet.
KR1020150077662A 2015-03-17 2015-06-02 Solenoid valve of airtight type KR20160111819A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2016/005561 WO2016195317A1 (en) 2015-06-02 2016-05-26 Sealed electronic valve

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Application Number Priority Date Filing Date Title
KR1020150036523 2015-03-17
KR20150036523 2015-03-17

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KR1020150077662A KR20160111819A (en) 2015-03-17 2015-06-02 Solenoid valve of airtight type

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022042342A1 (en) * 2020-08-28 2022-03-03 中山大学 New-type heat management device applied to power assembly of electric vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010045064A (en) 1999-11-02 2001-06-05 구자홍 process for controlling a washing machine
KR101094271B1 (en) 2009-09-03 2011-12-19 양진우 Valve using permanent magnetic polarity characteristic

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010045064A (en) 1999-11-02 2001-06-05 구자홍 process for controlling a washing machine
KR101094271B1 (en) 2009-09-03 2011-12-19 양진우 Valve using permanent magnetic polarity characteristic

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022042342A1 (en) * 2020-08-28 2022-03-03 中山大学 New-type heat management device applied to power assembly of electric vehicle

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