CN103727288B - The two-bit triplet normally closed solenoid valve of moral mark socket - Google Patents
The two-bit triplet normally closed solenoid valve of moral mark socket Download PDFInfo
- Publication number
- CN103727288B CN103727288B CN201310738227.1A CN201310738227A CN103727288B CN 103727288 B CN103727288 B CN 103727288B CN 201310738227 A CN201310738227 A CN 201310738227A CN 103727288 B CN103727288 B CN 103727288B
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- China
- Prior art keywords
- electrical heads
- valve body
- spool
- valve
- normally closed
- 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.)
- Expired - Fee Related
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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
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention relates to the two-bit triplet normally closed solenoid valve of a kind of moral mark socket being applied to heavy-duty car or bus industry exhaust and brake system, comprise valve body, Electrical heads and the moral mark socket being contained on Electrical heads, Electrical heads is built-in with solenoid, steel U-board it is equipped with outside Electrical heads coil rack, the guide pin bushing parts being made up of anterior magnetic shield cylinder and the hollow buting iron in rear portion are loaded along axis in Electrical heads, wherein the rear end of hollow buting iron is connected with the nut of a band centre hole after passing by the backside via of Electrical heads, the front end of hollow buting iron is stretched in magnetic shield cylinder, the front-side through-hole of the front end Electrical heads of magnetic shield cylinder is connected by yoke pressing plate and valve body after passing, it is incorporated with spool in the magnetic shield cylinder of guide pin bushing parts, the front end of Electrical heads power-off back valve core and the valve base sealing of valve body, block the inlet mouth of valve body and the path of air outlet, and after Electrical heads is energized, spool moves backward under electromagnetic force effect, and the inlet mouth of valve body and air outlet are communicated.
Description
Technical field
The invention belongs to electromagnetic control apparatus technical field, it relates to the two-bit triplet normally closed solenoid valve of a kind of moral mark socket being mainly used in heavy-duty car or bus industry exhaust and brake system.
Background technology
The auxiliary braking of engine of heavy-duty car exhaust decreases the use frequency of primary brake system, and its braking moment is averagely allocated to left and right wheel by differential mechanism, vehicle is implemented balanced braking, therefore, exhaust braking is more and more subject to the favor of automobile manufacturing enterprise and user, has particularly obtained general application on heavy-duty car and passenger vehicle. Exhaust braking electromagnetic valve is integral part important in heavy-duty car exhaust and brake system, and can it work accurately, sensitively and reliably and can directly have influence on the use properties of heavy-duty car exhaust and brake system undoubtedly, even affects the security that vehicle is driven.
Current heavy-duty car exhaust braking electromagnetic valve all adopts the two-bit triplet normally closed solenoid valve of moral mark socket (connector of German standard), this type of normally closed solenoid valve existing is corresponding has structure comparison complexity, the problems such as working speed is relatively slow, result of use is not good enough, cylindrical magnetic conductive shell as magnetic circuit needs the punching press saying tens procedures to be formed, can not well ensure relevant coordinating size, it is easy to cause the leakage of magnetic valve. In addition, limit by tradition structure, the integrated structure of the Sino-German mark socket in conventional this area and Electrical heads all adopts secondary plastic form, namely first by shaping for moral mark socket plastic packaging, then moral mark plug good for plastic packaging and other component of Electrical heads of having assembled are carried out plastic packaging, plastic packaging body fills up the space between shell and coil, and moral mark socket plastic packaging is fixed on above shell corresponding position. But this kind of secondary plastic form can not ensure that plastic packaging body fills up the space between the inner enameled wire of Electrical heads and shell completely, owing to having gap between plastic packaging body and shell, so be easy to cause the relative movement of plastic packaging body and shell, thus affect the serviceability of magnetic valve.
Summary of the invention
It is an object of the invention to be solved by prior art Problems existing, it is provided that the two-bit triplet normally closed solenoid valve of a kind of simple and reasonable, cost is low, easy to operate, reliable working performance, result of use are good moral mark socket.
The technical solution adopted for achieving the above object as follows described in:
The two-bit triplet normally closed solenoid valve of a kind of moral mark socket, comprise the valve body with inlet mouth and air outlet, with the Electrical heads of two side through hole and the moral mark socket that is installed on Electrical heads, Electrical heads is built-in with solenoid, the steel U-board of band two side through hole it is equipped with outside the coil rack of Electrical heads, the guide pin bushing parts being made up of anterior magnetic shield cylinder and the hollow buting iron in rear portion are loaded along axis in Electrical heads, wherein the rear end of hollow buting iron is connected with the nut of a band centre hole after passing by the backside via of U-board and Electrical heads successively, the front end of hollow buting iron is stretched in magnetic shield cylinder, the front end of magnetic shield cylinder is connected by one piece of yoke pressing plate and valve body after passing by the front-side through-hole of U-board and Electrical heads successively, the spool that all side has air channel is loaded in the magnetic shield cylinder of guide pin bushing parts, when, after Electrical heads power-off, the front end of spool and the valve base sealing of valve body, block the inlet mouth of valve body and the path of air outlet, and after Electrical heads is energized, spool moves backward under electromagnetic force effect, makes the inlet mouth of valve body and air outlet communicate.
In the two-bit triplet normally closed solenoid valve of above-mentioned moral mark socket, moral mark socket plastic packaging together with Electrical heads is shaping.
In the two-bit triplet normally closed solenoid valve of above-mentioned moral mark socket, spool has the spool matrix of a Ge Dai center cavity, in the center cavity of spool matrix by rear to front be equipped with successively after sealing block, spring and front sealing block, when after Electrical heads power-off, the front sealing block of spool and the valve base sealing of valve body, block the inlet mouth of valve body and the path of air outlet, after Electrical heads is energized, the front sealing block of spool moves backward under electromagnetic force effect, and the inlet mouth of valve body and air outlet are communicated.
In the two-bit triplet normally closed solenoid valve of above-mentioned moral mark socket, yoke pressing plate be one with the pressing plate in heavy hole, corner and an intermediate throughholes, by four heavy head screws, through corner, heavy hole is fixed on valve body yoke pressing plate, and the front end of magnetic shield cylinder coordinates through the intermediate throughholes of yoke pressing plate with valve seal.
In the two-bit triplet normally closed solenoid valve of above-mentioned moral mark socket, the exterior guard shield being connected to a band ventilating pit of nut connected in hollow buting iron rear end.
In the two-bit triplet normally closed solenoid valve of above-mentioned moral mark socket, the anterior core body stretching out Electrical heads of spool has the converging transition on a band shelves edge, is equipped with cone spring on converging transition.
The two-bit triplet normally closed solenoid valve designed according to technique scheme have simple and reasonable, cost is low, speed is fast, the advantage such as convenient and reliable. In real work, when magnetic valve power-off, the valve base sealing of spool and valve body, blocks the path of the inlet mouth of valve body and air outlet, now by the ventilating pit of hole and guard shield and the air connection in the buting iron of spool both sides air channel, guide pin bushing parts successively of valve body air outlet; When magnetic valve is energized, spool moves backward, forms sealing with the buting iron of guide pin bushing parts, blocks the path between the ventilating pit (air) of guard shield and outlet, and now, inlet mouth and the air outlet of magnetic valve communicate. After adopting said structure, connector (the moral mark joint) pattern of German standard can be adopted together with the overall plastic packaging of the form of a plastic packaging by the present invention ingeniously with the plastic packaging body of Electrical heads, avoid the discontented problem of plastic packaging body filling that former electromagnetic valve structure adopts secondary plastic scheme to cause, ensure that plastic packaging body can fill up the space between the inner enameled wire of Electrical heads and shell completely, and then ensure that the reliability of magnetic valve key components and parts-Electrical heads.In addition, the present invention also breaches the pattern of conventional magnetic valve cylinder magnetic conductive shell, have employed the scheme being directly nested with U-board outside coil rack, carry out conducting magnetic circuit by U-board, also avoid the deficiency that prior art exists cylindrical magnetic conductive shell and needs complicated stamping procedure.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention's specific embodiment.
Fig. 2 is the structural representation of guide pin bushing parts in this magnetic valve.
Fig. 3 is the structural representation of spool in this magnetic valve.
Fig. 4 is the two dimensional structure schematic diagram of yoke pressing plate in this magnetic valve.
Fig. 5 is the structural representation of U-board in this magnetic valve.
Fig. 6 is the side-view of Fig. 5.
Fig. 7 is the principle of work figure of this magnetic valve when Electrical heads power-off, and in figure, dotted line show the internal gas path of magnetic valve, and a is sealing place.
Fig. 8 is the principle of work figure of this magnetic valve when Electrical heads is energized, and in figure, dotted line show the internal gas path of magnetic valve, and b is sealing place.
In figure, the title of each numeral label is respectively: 1-guard shield; 2-plastic boot; 3-nut; 4-band wing packing ring; 5-moral mark socket; 6-Electrical heads; 7-guide pin bushing parts, 71-buting iron, 72-circular arc argon arc welding (point), 73-magnetic shield cylinder, 74-yoke; 8-spool, 81-spool matrix, sealing block after 82-, 83-spring, sealing block before 84-, 85-air channel; 9-yoke pressing plate, 91-sinks hole, 92-intermediate throughholes; 10-bores spring; 11-air outlet; 12-valve body; 13-inlet mouth; 14-O type circle; 15-U shape plate; 16-ventage.
Embodiment
FIGS, the two-bit triplet normally closed solenoid valve of moral mark socket of the present invention primarily of the parts such as Electrical heads 6, guide pin bushing parts 7, spool 8, valve body 12, yoke pressing plate 9, U-board 15, O 14, band wing packing ring 4, nut 3, guard shield 1 and plastic boot 2 composition, each parts arrange structure and effect following respectively described in.
Electrical heads 6 provides moral mark joint, and enameled wire plastic packaging is inner at Electrical heads 6, and its effect ensures that plastic packaging body is completely closely knit to wrap the coil of enameled wire coiling and provide guide pin bushing parts 7 and the connection dimension of yoke pressing plate 9. Capsulation material is FBT, can ensure to meet conventional magnetic valve thermocycling requirement. Electrical heads 6 is built-in with solenoid, and Electrical heads left end plane has a diameter 6mm and the cylinder of a diameter 3mm, and the radial direction for solenoid is fixed. The intermediate throughholes that Electrical heads both sides have with guide pin bushing parts 7 coordinate. There is the step of a 4mm �� 2mm �� 35mm Electrical heads rear end (right-hand member in figure), and the radial direction for Electrical heads is fixed. Electrical heads plastic packaging body and moral mark joint 5 plastic packagings are shaping, and moral mark joint 5 requires plastic packaging according to DIN72585 completely and becomes.
Guide pin bushing parts 7 are arranged in Electrical heads 6, and as shown in Figure 2, it is made up of its structure the yoke 74 of the hollow buting iron 71 at rear portion, anterior magnetic shield cylinder 73 and magnetic shield cylinder 73 front end. Hollow buting iron 71 provides exhaust outlet structure, and the rear end of hollow buting iron 71 is outside screw, can dock with the nut 3 of band centre hole; The front end of hollow buting iron 71 is planar valve seat structure. The front portion of guide pin bushing parts 7 is magnetic shield cylinder 73, relies on circular arc argon arc welding 72 to be connected and fixed between magnetic shield cylinder 73 and hollow buting iron 71, and in magnetic shield cylinder 73, hole is for coordinating with spool 8, provides guide effect to spool 8, and provides a supporting role to cone spring 10. The front end of guide pin bushing parts is yoke 74, for providing the contact plane of O 14.Fixing dependence shrink-fit and painting fastening glue between yoke 74 and magnetic shield cylinder 73 realize.
The structure of spool 8 is as shown in Figure 3. Spool 8 is arranged in magnetic shield cylinder 73, forms by the spool matrix 81 of band center cavity and by rear to front rear sealing block 82, spring 83 and the front sealing block 84 being set in turn in the cavity of spool matrix 81 center. Valve body 12, when Electrical heads 6 is energized, moves to back, makes hollow buting iron 71 plane contact of rear sealing block (rubber) 82 with guide pin bushing parts 7, completes sealing function; And when Electrical heads 6 power-off, rely on cone spring 10 to return back to it and position is installed, and then the plane of the front sealing block (rubber) 83 of its front end is contacted with valve body 12 sealing socket, complete sealing.
Valve body 12 provides the inlet mouth 13 of gas and air outlet 11 and provides open holes, itself and when spool 8 seals, block the path of inlet mouth 13 and air outlet 11.
There is an intermediate throughholes 92 centre of yoke pressing plate 9 (see Fig. 4), and respectively there is a heavy hole 91 for fixed valve body 12 corner. Intermediate throughholes 92 coordinates for the magnetic shield cylinder 73 of guide pin bushing parts 7, even if the magnetic shield cylinder 73 of guide pin bushing parts passes from its intermediate throughholes 92. And the size of the intermediate throughholes 92 of the dimension ratio yoke pressing plate 9 of the yoke 74 of guide pin bushing parts is big, therefore after yoke pressing plate 9 is fixed on valve body 12 by four heavy head screws, the yoke 74 of the guide pin bushing parts contacted with it is also compressed by yoke pressing plate 9, now, the O 14 contacted with it is compressed by the yoke 74 of guide pin bushing parts, forms sealing.
The structure of U-board 15 is as shown in Figure 5 and Figure 6. U-board 15 adopts No. 10 steel plates to make, and its both sides have through hole, it may also be useful to time is directly enclosed within above coil rack, relies on plastic packaging body to be fixed. The use of U-board 15 avoids the complicated stamping procedure that prior art adopts cylindrical magnetic conductive shell.
O 14 provides sealed structure, for making valve body intracavity gas can not leak between valve body and guide pin bushing parts.
Nut 3 is had locking effect by band wing packing ring 4, and for distinguishing homologous series product; Band wing packing ring is one " pin bifurcation " shape thin slice, there is a hole therebetween, Electrical heads rear end planar diameter 6mm cylinder inserts wherein, twice space, " pin bifurcation " protrusion place, edge, formed three " toe ", for placing the cylinder of the diameter 3mm of Electrical heads between two toes, by fixing for band wing packing ring 4 radial direction together with diameter 6mm cylinder above. Two side hole of Electrical heads 5 coordinate with guide pin bushing parts 7, directly can be enclosed within above guide pin bushing parts 7 by Electrical heads 6, and on Electrical heads 6, band wing packing ring 4 on cover, is fixed on Electrical heads 6 and band wing packing ring 4 above guide pin bushing parts 7 with nut 3 afterwards.
Electrical heads 6 and guide pin bushing parts 7 are fixed by nut 3 by screw thread, and the middle with hole of nut 3, as the venting hole being connected with air.
Dust from entering magnetic valve inside for preventing for guard shield 1 and plastic boot 2, and plays the function reducing noise, and guard shield 1 has four through holes for connecting with air. Plastic boot 2 can directly be stuck in the card groove of nut 3, and after guard shield 1 is enclosed within outside plastic boot 2, the right-hand member of guard shield 1 is flushed in the card groove of nut 3 by logical overshoot point so that it is fixing.
In real work, when magnetic valve power-off, the front sealing block 83 of spool and the valve base sealing of valve body 12, valve body inlet mouth 13 and the gas passage of air outlet 11 are blocked, now, 11 air channels 85 through spool 8 both sides of working off one's feeling vent one's spleen enter guide pin bushing parts 7, and then enter guard shield 1 from the middle hole pass-out of the hollow buting iron 71 of guide pin bushing parts 7, connected by the ventilating pit of guard shield 1 and air, its gas passage trend as the dotted line in Fig. 7 refer to;And when magnetic valve is energized, under the effect of electromagnetic force, spool 8 moves backward, sealing is formed with the hollow buting iron 71 of guide pin bushing parts 7, block the path between the ventilating pit (air) of guard shield and valve body air outlet 11, now, air outlet 11 and the inlet mouth 13 of valve body 12 communicate, its gas passage trend as the dotted line in Fig. 8 refer to. When, after magnetic valve again power-off, spool 8 is returned under the effect of cone spring 10 installs position.
Claims (6)
1. the two-bit triplet normally closed solenoid valve of a moral mark socket, comprise the valve body (12) with inlet mouth (13) and air outlet (11), with the Electrical heads (6) of two side through hole and moral mark socket (5) that is installed on Electrical heads (6), Electrical heads (6) is built-in with solenoid, it is characterized in that: the steel U-board (15) being equipped with band two side through hole outside the coil rack of Electrical heads (6), the guide pin bushing parts (7) being made up of the hollow buting iron (71) of the magnetic shield cylinder (73) of front portion and rear portion are loaded along axis in Electrical heads (6), wherein the rear end of hollow buting iron (71) is connected with the nut (3) of a band centre hole after passing by the backside via of U-board (15) and Electrical heads (6) successively, the front end of hollow buting iron (71) is stretched in magnetic shield cylinder (73), the front end of magnetic shield cylinder (73) is connected by one piece of yoke pressing plate (9) and valve body (12) after passing by the front-side through-hole of U-board (15) and Electrical heads (6) successively, the spool (8) that all side has air channel (85) is loaded in the magnetic shield cylinder (73) of guide pin bushing parts (7), when after Electrical heads power-off, the front end of spool (8) and the valve base sealing of valve body (12), block the inlet mouth (13) of valve body and the path of air outlet (11), after Electrical heads is energized, spool (8) moves backward under electromagnetic force effect, and the inlet mouth (13) of valve body and air outlet (11) are communicated.
2. the two-bit triplet normally closed solenoid valve of moral mark socket according to claim 1, it is characterised in that: plastic packaging is shaping together for moral mark socket (5) and Electrical heads (6).
3. the two-bit triplet normally closed solenoid valve of moral mark socket according to claim 1, it is characterized in that: described spool (8) has the spool matrix (81) of a Ge Dai center cavity, in the center cavity of spool matrix (81), by rear to front, rear sealing block (82) is housed successively, spring (83) and front sealing block (84), when after Electrical heads power-off, the front sealing block (84) of spool (8) and the valve base sealing of valve body (12), block the inlet mouth (13) of valve body and the path of air outlet (11), after Electrical heads is energized, the front sealing block (84) of spool (8) moves backward under electromagnetic force effect, inlet mouth (13) and air outlet (11) of valve body are communicated.
4. the two-bit triplet normally closed solenoid valve of moral mark socket according to claim 1, it is characterized in that: described yoke pressing plate (9) be one with the pressing plate in heavy hole (91), corner and an intermediate throughholes (92), by four heavy head screws, through corner, heavy hole (91) is fixed on valve body (12) yoke pressing plate (9), and the front end of magnetic shield cylinder (73) is sealed and matched through the intermediate throughholes (92) of yoke pressing plate (9) with valve body (12).
5. the two-bit triplet normally closed solenoid valve of moral mark socket according to claim 1, it is characterised in that: the exterior guard shield (1) being connected to a band ventilating pit of nut (3) connected in hollow buting iron (71) rear end.
6. the two-bit triplet normally closed solenoid valve of moral mark socket according to claim 1, it is characterized in that: the anterior core body stretching out Electrical heads (6) of spool (8) has the converging transition on a band shelves edge, converging transition is equipped with cone spring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310738227.1A CN103727288B (en) | 2013-12-25 | 2013-12-25 | The two-bit triplet normally closed solenoid valve of moral mark socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310738227.1A CN103727288B (en) | 2013-12-25 | 2013-12-25 | The two-bit triplet normally closed solenoid valve of moral mark socket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103727288A CN103727288A (en) | 2014-04-16 |
| CN103727288B true CN103727288B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310738227.1A Expired - Fee Related CN103727288B (en) | 2013-12-25 | 2013-12-25 | The two-bit triplet normally closed solenoid valve of moral mark socket |
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| Country | Link |
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| CN (1) | CN103727288B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650330B (en) * | 2016-03-11 | 2018-08-03 | 凯迈（洛阳）气源有限公司 | A kind of engine and its air inlet electromagnetic valve |
| CN111120661A (en) * | 2020-01-07 | 2020-05-08 | 无锡峰烽达科技有限公司 | Quick response electromagnetic valve structure and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1983002811A1 (en) * | 1982-02-09 | 1983-08-18 | Laszlo Jeno Nyers | Solenoid operated flow control module |
| CN1334906A (en) * | 1998-04-08 | 2002-02-06 | 瓦巴斯磁学公司 | Fluid resistant solenoid actuated valve |
| US7441562B2 (en) * | 2004-06-11 | 2008-10-28 | Advics Co., Ltd. | Electromagnetic valve and fluid control apparatus |
| CN201402696Y (en) * | 2009-04-20 | 2010-02-10 | 奉化市星宇电子有限公司 | Full-plastic packaging clamped electromagnetic valve coil |
| CN201462071U (en) * | 2009-05-05 | 2010-05-12 | 贵州红林机械有限公司 | Two-bit three-way magnetic valve for engine braking system |
| CN203670980U (en) * | 2013-12-25 | 2014-06-25 | 西安航天远征流体控制股份有限公司 | Two-position three-way normally closed solenoid valve of German standard socket |
-
2013
- 2013-12-25 CN CN201310738227.1A patent/CN103727288B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1983002811A1 (en) * | 1982-02-09 | 1983-08-18 | Laszlo Jeno Nyers | Solenoid operated flow control module |
| CN1334906A (en) * | 1998-04-08 | 2002-02-06 | 瓦巴斯磁学公司 | Fluid resistant solenoid actuated valve |
| US7441562B2 (en) * | 2004-06-11 | 2008-10-28 | Advics Co., Ltd. | Electromagnetic valve and fluid control apparatus |
| CN201402696Y (en) * | 2009-04-20 | 2010-02-10 | 奉化市星宇电子有限公司 | Full-plastic packaging clamped electromagnetic valve coil |
| CN201462071U (en) * | 2009-05-05 | 2010-05-12 | 贵州红林机械有限公司 | Two-bit three-way magnetic valve for engine braking system |
| CN203670980U (en) * | 2013-12-25 | 2014-06-25 | 西安航天远征流体控制股份有限公司 | Two-position three-way normally closed solenoid valve of German standard socket |
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| Publication number | Publication date |
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| CN103727288A (en) | 2014-04-16 |
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Granted publication date: 20160608 Termination date: 20171225 |