CN108071842A - Solenoid valve - Google Patents
Solenoid valve Download PDFInfo
- Publication number
- CN108071842A CN108071842A CN201711099177.1A CN201711099177A CN108071842A CN 108071842 A CN108071842 A CN 108071842A CN 201711099177 A CN201711099177 A CN 201711099177A CN 108071842 A CN108071842 A CN 108071842A
- Authority
- CN
- China
- Prior art keywords
- valve
- piston
- piston chamber
- solenoid valve
- solenoid
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- 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
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
- Valve Housings (AREA)
Abstract
The present invention relates to a kind of solenoid valves, there are the following problems for previous solenoid valve, i.e., the main body of guide's valve gear and solenoid valve is not integral, therefore, it is whole larger and need to minimize, and the flow path of the air until piston chamber is longer and cause volume larger, therefore the response time of main valve is long, and the present invention seeks to solve the problems, such as these.The solenoid valve (1) of the present invention possesses supply port, three ports of outlet port and exhaust port, pilot valve is opened and closed by solenoid, the opening and closing causes air to supply to piston chamber and drive piston, the opening and closing of main valve is carried out by the piston, wherein, possessing the piston chamber and piston, in the main body of main valve and the solenoid valve of three ports (2), pilot valve incorporating section (8) is formed in the side of the piston chamber, to shorten the flow path (9k) until playing piston chamber (11a) from the pilot valve (10) under the use state of the solenoid valve.
Description
Technical field
The compound electric that the present invention is controlled such as being related to a kind of pneumatic clutch to press, pneumatic braking device
Magnet valve (dual valve).
Background technology
In the past, safely and reliably operating the compound solenoid valve 20 of the pneumatic clutch of press, pneumatic braking device
As Fig. 6 possesses the pilot valve 23 of solenoid 23a, 23b and guide's main body to being equipped with as shown in Figure 7 on valve body 22
21。
The valve body 22 is integrated side by side by pressure restoration type triple valve, becomes two valve 22a, 22b as main valve
The structure (being parallel flow type shown in Fig. 7) of action simultaneously.
Piston 22c, 22d of two valves 22a, 22b action is made to be arranged on the top of the valve body 22, with the guide
Main body 21 and partition plate 28 are communicatively equipped with the flow path a with connecting the piston chamber 22e of piston 22c, 22d action.
It is known that in the compound solenoid valve 20, possibility that described two valves 22a, 22b break down simultaneously compared with
Small, if failure has occurred in any valve, port block (ポ ー ト Block ロ ッ Network) outlet (action is used) port 25 on 27 generates
Pressure is suppressed to the lower degree that actuator is failure to actuate.In this way, realize press etc. using safety operation to be prepreerence
Safe design.
As the known document for the device for using existing three-way magnetic valve, there is the device that patent document 1 is recorded.
【Prior art literature】
【Patent document】
【Patent document 1】No. 3268863 publications of Japanese Patent No.
The content of the invention
【Problems to be solved by the invention】
But in existing compound solenoid valve, the flow path a until piston chamber is connected with guide's main body 21 and partition plate 28
The flow path worn logically, the volume of flow path a is larger, so as to there are the response time of main valve it is long the problem of.
In addition, in order to keep intensity and air-tightness, secured core 21a and secured core pipe 21b has carried out electron beam welding,
But there are problems that manufacturing man-hours length, cost increase.And then since coil 21c is exposed to outside, in order to protect coil,
Resin etc. must be utilized to seal the entire coil 21c, moreover, being to store guide's main body 21 of pilot valve to be placed in valve body
Structure on 22, accordingly, there exist compound solenoid valve 20 whole size it is larger, cause the problem of inconvenience in design.This hair
Bright solenoid valve proposes to solve the problems, such as this.
【Technical means to solve problem】
The solenoid valve of the present invention to solve the above problems and the purport of reached purpose is to provide following solenoid valve,
Possess three supply port, outlet port and exhaust port ports, pilot valve is opened and closed by solenoid, which causes
Air is supplied to piston chamber and drives piston, and the opening and closing of main valve is carried out by the piston, wherein, possessing the piston chamber
And in the main body of the solenoid valve of piston, main valve and three ports, pilot valve incorporating section is formed in the side of the piston chamber,
To shorten the flow path until playing piston chamber from the pilot valve under the use state of the solenoid valve.
In addition, the solenoid valve of the present invention solving the above problems and the purport of reached purpose is to provide following electromagnetism
Valve possesses three supply port, outlet port and exhaust port ports, pilot valve is opened and closed by solenoid, this is opened
It closes so that air is supplied to piston chamber and drives piston, the opening and closing of main valve is carried out by the piston, wherein, it is described possessing
In the main body of the solenoid valve of piston chamber and piston, main valve and three ports, being formed with to have in the side of the piston chamber makes
The pilot valve incorporating section for the opening portion that upper opening forms, using shorten in a state of use from the pilot valve play piston chamber as
Flow path only is closed in covering and the fastening list for fastening the solenoidal secured core is provided in the The lid component of the opening portion
Member, the solenoidal secured core are engaged and are fastened on the fastening unit.
A part for the main body of solenoid valve is provided with the effective terminal board of the helical.
The The lid component is to improve the heat sink material of heat dissipation effect.
【The effect of invention】
Solenoid valve according to the present invention, in the main body of solenoid valve, whole device is minimized the interior bag of guide's valve gear.
As a result, from the air of pilot valve supply with flow path, the distance until piston chamber be reduced, during the response of piston and main valve
Between be able to high speed.
It is fixed on due to solenoidal secured core in the The lid component of the main body of solenoid valve, obtain the fixed iron
Generated heat efficiently dissipates this excellent effect via the The lid component in the energization of core.
Description of the drawings
Fig. 1 is the overall perspective view of the solenoid valve 1 of the present invention.
(A) of Fig. 2 is the front view of the solenoid valve 1 of the present invention, and (B) of Fig. 2 is to show the bottom view of wiring situation.
The rearview of state after lid that (A) of Fig. 3 is the solenoid valve 1, unloading the back side, (B) of Fig. 3 are to unload the electricity
The top view of state after the The lid component on the top in magnet valve 1.
Fig. 4 A show the action of the solenoid valve 1, for represent pilot valve OFF when air flowing definition graph.
Fig. 4 B are the detailed partial view for the structure for representing solenoid and pilot valve in the solenoid valve 1.
Fig. 4 C be represent pilot valve in the solenoid valve 1 when being ON, the air of piston chamber flow to air situation definition graph.
Fig. 5 A show the action of the solenoid valve 1, during to represent that pilot valve is ON, the flowing of air from supply port to say
Bright figure.
Fig. 5 B be represent pilot valve in the solenoid valve 1 when being ON, air flow to piston chamber situation definition graph.
Fig. 6 is the stereogram of the compound solenoid valve 20 of previous example.
(A) of Fig. 7 is by a part of disrumpent feelings front view to be shown of the compound solenoid valve 20, and (B) of Fig. 7 is its side view
Figure.
Specific embodiment
As shown in Figure 1 to Figure 3, solenoid valve 1 of the invention has been disposed adjacently pilot valve in the piston chamber 11a sides of main body 2
Solenoid 9 and pilot valve 10 are stored in incorporating section 8, make the response time of main valve 12 (with reference to figure 3, Fig. 4 A) high by integration
Speedization, and entire solenoid valve 1 is become smaller.
【Embodiment 1】
As shown in Figure 1 to Figure 2, solenoid valve 1 of the invention possesses supply port 3, outlet port 4 (with reference to figure 4A) and exhaust
The port of port 5 three as shown in Fig. 3 to Fig. 4 B, is opened and closed pilot valve 10 by solenoid 9, which causes air quilt
Supply drives piston 11 to piston chamber 11a, and the opening and closing of the main valve 12 is carried out by the piston 11.Furthermore on described
Solenoid valve 1 as an example, is illustrated using compound solenoid valve as embodiment.
Possessing the piston chamber 11a being provided at two and piston 11 and main valve 12 and the electromagnetism for being also equipped with three ports
In the main body 2 of valve 1, the side of pilot valve incorporating section 8 and the piston chamber 11a be adjacent to it is integrally formed, and by interior bag in main body 2
In, to shorten under the use state of the solenoid valve 1 (using vertical as vertical direction) as shown in Fig. 4 A, Fig. 4 B from institute
State the length of flow path 9k of the pilot valve 10 until piston chamber 11a.
In addition, the top of the pilot valve incorporating section 8 upward whole face opening and as opening portion, described in covering closing
The fastening unit for the secured core 9a for fastening the solenoid 9 is provided on the The lid component 2a of opening portion.
As shown in Figure 4 A, the fastening unit is made of through hole and fixing nut 9e, and the through hole is along the The lid component 2a
Thickness direction perforation, the threaded portion of the fixing nut 9e and one end protruding portion of the secured core 9a of solenoid 9 screw togather.
The one end of the secured core 9a, which has, to abut to the rank portion of the edge of the inside of the through hole.Therefore, by by the fixation
Nut 9e is screw-coupled to the threaded portion of one end protruding portion and then is tightened, and the secured core 9a is able to be fastened on The lid component
On 2a.
In addition, the The lid component 2a is the heat sink material for improving heat dissipation effect, it is, for example, aluminium.Furthermore as shown in Figure 4 A,
The The lid component 2a is the component of the opening portion of covering closing pilot valve incorporating section 8, by the top for being different from covering piston chamber 11a
The component of the The lid component of opening portion is formed, but is not limited to the embodiment, and the entire of top that can be also set to cover main body 2 opens
The The lid component of the one of oral area.
As shown in Fig. 2, the part in the main body 2 of solenoid valve 1 is provided with the effective terminal board 6 of the helical.Due to inciting somebody to action
The solenoid 9 is provided in the pilot valve incorporating section 8 of piston chamber 11a sides of main body 2, therefore makes to wrap in main body 2 in it.
Furthermore the wire rod 7 for the electric connection as shown in Figure 2 to Figure 3, being connected with terminal board 6 is from the lower portion of main body 2a
It inwards lays and to reaching terminal board 6 in the side put.Thereafter, from terminal board 6 towards coil 9d (with reference to figure 4A) cloth of solenoid 9
If winding wire 7a.
As shown in Fig. 4 A, Fig. 4 B, the solenoid 9 by fixing nut 9e substantially by being fastened on the The lid component 2a
Secured core 9a, movable core 9b, secured core pipe 9n, coil 9d and movable core resetting spring 9f are formed.
In the movable core 9b, as shown in Figure 4 B, possessing in the inner space portion of movable core 9b prevents
The rubber system upper seal 9g of the inflow of air, rubber system lower seal 9h, upper seal are used with compression spring 9i and lower seal
Compression spring 9j is as pilot valve 10.
The upper seal 9g preventions air flow to the exhaust flow path 9m of secured core 9a.In addition, as shown in Figure 4 B, under it is close
Sealing 9h prevents air from being flowed into from the supply hole 10a for being arranged on main body 2a sides.
In addition, the exhaust flow path 9ma being arranged in movable core 9b is in state (the guide OFF shown in Fig. 4 B
State) when the air from piston chamber 11a is made to be expelled to external flow path via the exhaust flow path 9m of secured core 9a.
In addition, as shown in Fig. 4 A, Fig. 4 B, the flow path 9k of the lower part of pilot valve 10 is the lower part for connecting pilot valve incorporating section 8
With the flow path of the intake and exhaust port 11b of piston chamber 11a.During guide ON, the air from supply port 3 is made to flow into piston chamber
On the other hand 11a, during guide OFF, as shown in Figure 4 C, makes the air of piston chamber 11a flow out to row from the exhaust flow path 9ma
Air-flow road 9m is expelled to outside by the central part of secured core 9a from exhaust port 9p.
The piston 11 of piston chamber 11a in main body 2, with the piston 11 connection valve rod 12a, via valve rod 12a and by
The main valve 12, the resetting spring 12b of main valve 12 and their structures of spring fastening 12c that drive up and down and its effect with it is previous
Example is identical, therefore omits detailed description.
The operating method of the solenoid valve 1 of the present invention is illustrated.As shown in Figure 4 A, (the helical in the state of guide OFF
The energization OFF of pipe 9), the movable core 9b of solenoid 9 is exerted a force by movable core resetting spring 9f and is in lower position.Such as figure
Shown in 4B, occurs gap α between secured core 9a and movable core 9b.
Due to piston 11 by the active force of resetting spring 12b and be pushed into top, as shown in Figure 4 C, piston
The air of room 11a flow to exhaust flow path 9ma from intake and exhaust port 11b by the shorter flow path 9k of length, and from the gap α
Spatial portion flow into exhaust flow path 9m, so as to from exhaust port 9p be expelled to outside.
Since the movable core 9b drops to lower position, air is prevented from supply by lower seal 9h
Hole 10a is invaded to pilot valve incorporating section 8.Meanwhile the air from the piston chamber 11a is prevented to be flowed into from the supply hole 10a
To guide's supply line 13.
Since the piston 11 is sent back to upper position, as shown in Figure 4 A, the air quilt from supply port 3
Main valve 12 is latched and can not flow to outlet port 4.On the other hand, the air from the actuator side is flow to from outlet port 4
Exhaust port 5 and be expelled to outside.
Secondly, under the state (the energization ON of solenoid 9) of guide ON, as shown in Figure 5A, in solenoid 9, movable iron
Core 9b is attracted on secured core 9a.Therefore, the gap α shown in Fig. 4 B becomes 0 (zero).
By the movements of the movable core 9b upward, the covering sealing process of lower seal 9h releases, in main body 2
Supply hole 10a becomes "On" state.Then, the air of high pressure from supply port 3 by guide with flow path 14, guide's supply line
13 and flowed into from the supply hole 10a inside pilot valve incorporating section 8.
As shown in Figure 5 B, since the movable core 9b is attracted on secured core 9a so that upper seal 9g will be worn
The exhaust flow path 9m covering closings of the central part of the secured core 9a are located at, therefore, the air can not be from movable core side
Exhaust flow path 9ma (with reference to figure 4C) intrusion to secured core side exhaust flow path 9m (with reference to figure 4C).Therefore, the air stream
Enter to flow path 9k.Then, air is expelled to piston chamber 11a from the intake and exhaust port 11b before the flow path 9k.With previous stream
The length on road, volume are compared, and the distance of the flow path 9k is extremely short and volume is small, therefore, the piston 11 determined are flowed by air
Response time is able to high speed.
Since the air has been discharged in the piston chamber 11a, the direction downward immediately in a short time of piston 11
It is pushed and moves.As a result, as shown in Fig. 5 A, Fig. 5 B, the exhaust of 11 lower part of piston is covered the gas vent 2b of main body 2 with valve 11c
The flow path of exhaust port 5 is gone in lid closing, cut-out.Meanwhile main valve 12 is resisted the active force of resetting spring 12b and is moved down,
So that the supply hole 2c of the outlet port of main body 2 becomes "On" state.
Since the supply hole 2c becomes "ON", air is invaded from supply port 3 to the supply hole 2c, with
Authorized pressure supplies air to outlet port 4, so as to drive the various actuators in such as press.
Then, when the solenoid 9 is set as energization OFF, the state shown in Fig. 4 A is become.The air of piston chamber 11a
From intake and exhaust port 11b by flow path 9k, the exhaust flow path 9ma of movable core side, the gap α of pilot valve incorporating section 8, fixed iron
The exhaust flow path 9m of core side and be expelled to outside from exhaust port 9p.
The heat that the solenoid 9 is generated in "on" position is dissipated via secured core 9a by The lid component 2a.In this way,
By making to wrap in the housing of the main body 2 of solenoid valve 1 to make pilot valve and terminal board integration, therefore, entire electricity in solenoid
Magnet valve is minimized, moreover, flow path length shortens so that the response time of main valve is able to high speed.
【Industrial availability】
The solenoid valve 1 of the present invention can be widely used in single entry/compound solenoid valve.
Symbol description
1 solenoid valve
2 main bodys
2a The lid components
2b gas vents
The supply hole of 2c outlet ports
3 supply ports
4 outlet ports
5 exhaust ports
6 terminal boards
7 wire rods
7a winding wires
8 pilot valve incorporating sections
9 solenoids
9a secured cores
9b movable cores
9c fastenings threaded portion
9d coils
9e fixing nuts
9f movable core resetting springs
9g upper seals
9h lower seals
9i upper seal compression springs
9j lower seal compression springs
9k flow paths
9m exhaust flow paths
The exhaust flow path of 9ma movable cores side
9n secured core pipes
9p exhaust ports
10 pilot valves
10a supply holes
11 pistons
11a piston chamber
11b intake and exhaust port
11c exhaust valves
12 main valves
12a valve rods
12b resetting springs
12c spring fastenings
13 guide's supply line
14 guide's flow paths
20 compound solenoid valves
21 guide's main bodys
21a secured cores (iron core)
21b secured cores pipe (iron core tube)
21c coils
21d movable cores
22 valve bodies
22a, 22b valve
22c, 22d piston
22e piston chamber
23 pilot valves
23a solenoids
23b solenoids
24 supply ports
25 outlet ports
26 exhaust ports
27 port blocks
28 partition plates.
Claims (4)
1. a kind of solenoid valve possesses three supply port, outlet port and exhaust port ports, by solenoid to pilot valve
It is opened and closed, which causes air to supply to piston chamber and drive piston, and the opening and closing of main valve is carried out by the piston, the electricity
Magnet valve is characterized in that,
In the main body for the solenoid valve for possessing the piston chamber and piston, main valve and three ports, in the side of the piston chamber
Side is formed with pilot valve incorporating section, until shortening under the use state of the solenoid valve and play piston chamber from the pilot valve
Flow path.
2. a kind of solenoid valve possesses three supply port, outlet port and exhaust port ports, by solenoid to pilot valve
It is opened and closed, which causes air to supply to piston chamber and drive piston, and the opening and closing of main valve is carried out by the piston, the electricity
Magnet valve is characterized in that,
In the main body for the solenoid valve for possessing the piston chamber and piston, main valve and three ports, in the side of the piston chamber
Side is formed with the pilot valve incorporating section with the opening portion for forming upper opening, to shorten in a state of use from the guide
Valve plays the flow path until piston chamber,
It is closed in covering and the fastening unit for fastening the solenoidal secured core is provided in the The lid component of the opening portion,
The solenoidal secured core is engaged and is fastened on the fastening unit.
3. solenoid valve according to claim 1 or 2, which is characterized in that
A part for the main body of solenoid valve is provided with the effective terminal board of helical.
4. solenoid valve according to claim 2, which is characterized in that
The lid component is to improve the heat sink material of heat dissipation effect.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016220356A JP2018076941A (en) | 2016-11-11 | 2016-11-11 | solenoid valve |
| JP2016-220356 | 2016-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108071842A true CN108071842A (en) | 2018-05-25 |
Family
ID=62150124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711099177.1A Pending CN108071842A (en) | 2016-11-11 | 2017-11-09 | Solenoid valve |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2018076941A (en) |
| CN (1) | CN108071842A (en) |
| TW (1) | TW201825823A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7148323B2 (en) * | 2018-08-24 | 2022-10-05 | アズビルＴａｃｏ株式会社 | CROSS-FLOW TYPE DUAL VALVE AND METHOD FOR MANUFACTURING CASING OF CROSS-FLOW TYPE DUAL VALVE |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06185654A (en) * | 1992-12-18 | 1994-07-08 | Nippon Pisuko:Kk | Solenoid valve |
| CN1193803A (en) * | 1997-03-14 | 1998-09-23 | 速睦喜股份有限公司 | Selenoid for solenoid-operated valve |
| JPH10318425A (en) * | 1997-05-21 | 1998-12-04 | Nichiden Kogyo Kk | Pilot type solenoid valve |
| CN1209517A (en) * | 1997-08-21 | 1999-03-03 | 速睦喜股份有限公司 | 3-port electromagnetic valve using 5-port electromagnetic valve body |
| CN1690491A (en) * | 2004-04-22 | 2005-11-02 | Smc株式会社 | Coupling solenoid valve |
| CN101672383A (en) * | 2008-09-08 | 2010-03-17 | 杭州神林电子有限公司 | Directly operated and pilot operated hybrid multi-connection solenoid valve |
| CN101813202A (en) * | 2009-01-21 | 2010-08-25 | Smc株式会社 | Selector valve device |
| CN104832700A (en) * | 2014-02-10 | 2015-08-12 | Smc株式会社 | Solenoid-operated pilot type spool valve |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6430719A (en) * | 1987-07-27 | 1989-02-01 | Toyoda Machine Works Ltd | Method for sealing by resin |
| JPH109433A (en) * | 1996-06-21 | 1998-01-13 | Ckd Corp | Air pilot type solenoid valve |
| JPH10103554A (en) * | 1996-09-30 | 1998-04-21 | Ckd Corp | Pilot solenoid valve |
| US5845672A (en) * | 1996-12-10 | 1998-12-08 | General Motors Corporation | Solenoid coil positioning assembly |
| JP4096029B2 (en) * | 2002-11-06 | 2008-06-04 | Ｓｍｃ株式会社 | solenoid valve |
| JP4554482B2 (en) * | 2005-09-26 | 2010-09-29 | 株式会社コガネイ | Manifold solenoid valve |
| JP5091057B2 (en) * | 2008-08-29 | 2012-12-05 | 豊興工業株式会社 | Compound solenoid valve |
| DE102008046109A1 (en) * | 2008-09-05 | 2010-03-11 | Trw Automotive Gmbh | Valve unit has pre-mounted assembly with carrier and electromagnetic coil, and another pre-mounted assembly has valve block and magnetic valve, where coil encompasses actuating section of magnetic valve |
-
2016
- 2016-11-11 JP JP2016220356A patent/JP2018076941A/en active Pending
-
2017
- 2017-10-26 TW TW106136909A patent/TW201825823A/en unknown
- 2017-11-09 CN CN201711099177.1A patent/CN108071842A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06185654A (en) * | 1992-12-18 | 1994-07-08 | Nippon Pisuko:Kk | Solenoid valve |
| JP3268863B2 (en) * | 1992-12-18 | 2002-03-25 | 株式会社日本ピスコ | Solenoid valve |
| CN1193803A (en) * | 1997-03-14 | 1998-09-23 | 速睦喜股份有限公司 | Selenoid for solenoid-operated valve |
| JPH10318425A (en) * | 1997-05-21 | 1998-12-04 | Nichiden Kogyo Kk | Pilot type solenoid valve |
| CN1209517A (en) * | 1997-08-21 | 1999-03-03 | 速睦喜股份有限公司 | 3-port electromagnetic valve using 5-port electromagnetic valve body |
| CN1690491A (en) * | 2004-04-22 | 2005-11-02 | Smc株式会社 | Coupling solenoid valve |
| CN101672383A (en) * | 2008-09-08 | 2010-03-17 | 杭州神林电子有限公司 | Directly operated and pilot operated hybrid multi-connection solenoid valve |
| CN101813202A (en) * | 2009-01-21 | 2010-08-25 | Smc株式会社 | Selector valve device |
| CN104832700A (en) * | 2014-02-10 | 2015-08-12 | Smc株式会社 | Solenoid-operated pilot type spool valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018076941A (en) | 2018-05-17 |
| TW201825823A (en) | 2018-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180525 |
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| WD01 | Invention patent application deemed withdrawn after publication |