CN106246901B - Automatic gear-box gear control switch solenoid valve - Google Patents
Automatic gear-box gear control switch solenoid valve Download PDFInfo
- Publication number
- CN106246901B CN106246901B CN201610760001.5A CN201610760001A CN106246901B CN 106246901 B CN106246901 B CN 106246901B CN 201610760001 A CN201610760001 A CN 201610760001A CN 106246901 B CN106246901 B CN 106246901B
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- China
- Prior art keywords
- spool
- iron core
- mouthfuls
- steel ball
- valve body
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 230000003068 static effect Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
- F16H61/0265—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic for gearshift control, e.g. control functions for performing shifting or generation of shift signals
-
- 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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
- F16H61/0276—Elements specially adapted for hydraulic control units, e.g. 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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/2807—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted using electric control signals for shift actuators, e.g. electro-hydraulic control therefor
-
- 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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
Automatic gear-box gear control switch solenoid valve disclosed by the invention, include to be adapted valve body, spool and electromagnet assembly, valve body offers P mouthfuls and A mouthfuls, spool is assemblied in the valve body, the P mouthfuls of inner cavities through spool are communicated with described A mouthfuls, it is provided with cartridge cover in spool, steel ball is provided between the cartridge cover and the spool, steel ball matches the break-make between P mouthfuls and A mouthfuls of control with the oil inlet of the spool；Electromagnet assembly include coil block, coil block center static iron core and dynamic iron core and static iron core and dynamic iron core between spring, dynamic iron core is provided centrally with a mandril, which matches across the cartridge cover with steel ball.The advantage of the invention is that：It is reasonable for structure, the keying of solenoid valve is controlled using the cooperation between steel ball and spool, since steel ball can only move between spool and cartridge cover, the dynamic iron core of this solenoid valve only needs extremely short stroke that can realize, controls sensitive, fast response time.
Description
Technical field
The present invention relates to a kind of parts of automatic gear-box, specifically automatic gear-box gear control switch electromagnetism
Valve.
Background technology
Gearbox employed in automobile gradually replaces manual transmission, especially in medium-to-high grade vehicle by automatic gear-box
In nearly all use automatic gear-box.Modern Vehicle Engine electronic control system is more and more tended to select solenoid valve
As actuator, this is because solenoid valve can directly control distributive value and injection timing, part injection rate can also use electromagnetism
Valve is realized.In this way, three item controlleds can only be completed there are one actuator, make the hardware of entire electronic system can
To greatly simplify, therefore, solenoid valve is one of parts mostly important in current automatic gear-box.Still further aspect, switch
Formula solenoid valve is fairly simple, and drive control part is simple more than actuators such as stepper motor, proportion electro-magnets.
Using solenoid valve as the actuator of the electric-control system of engine, main function is the break-make for controlling oil circuit, automatically
The gear of gearbox directly affects the speed of automobile, therefore it is required that the solenoid valve for the control of fluid drive gear box needs to control
It is sensitive, fast response time；The existing solenoid valve for the control of fluid drive gear box all uses to be sealed between steel ball and valve body
The break-make of oil circuit is controlled, bottleneck has been arrived in the raising of response speed, it is therefore desirable to which fluid drive gear box is controlled
It is improved with the structure of solenoid valve.
Invention content
The technical problem to be solved by the invention for the present situation of prior art is to provide a kind of reasonable for structure, control spirits
Quick, fast response time automatic gear-box gear control switch solenoid valve.
Technical solution is used by the present invention solves above-mentioned technical problem：
Automatic gear-box gear control switch solenoid valve includes to be adapted valve body, spool and electromagnet assembly, valve body
P mouthfuls and A mouthfuls are offered, spool is assemblied in the valve body, and the P mouthfuls of inner cavities through spool are communicated with described A mouthfuls, are provided in spool
Cartridge cover, is provided with steel ball between the cartridge cover and the spool, steel ball matched with the oil inlet of the spool P mouthfuls of control and
Break-make between A mouthfuls；Electromagnet assembly include coil block, the static iron core at coil block center and dynamic iron core and static iron core and
Spring between dynamic iron core, dynamic iron core are provided centrally with a mandril, which matches across the cartridge cover with steel ball.
The technical measures of optimization further include：
T mouthfuls are additionally provided on above-mentioned valve body, the T mouthfuls communicates with the inner cavity of the valve body.
It is provided with front shroud on front side of above-mentioned coil block, back shroud is provided on rear side of coil block.
Be provided with elastic washer between above-mentioned back shroud and the coil block, elastic washer include washer body and
The elastic piece of washer body protrusion.
The stroke of above-mentioned dynamic iron core is 0.5mm-1mm.
Spring base is provided in above-mentioned static iron core, one end of spring offsets with the spring base, the other end with it is described
The inner wall of dynamic iron core offsets.
It is provided with shell outside above-mentioned electromagnet assembly and the valve body.
It is provided with sealing ring between above-mentioned valve body and spool.
Above-mentioned spool is overall structure made of punching press, and cartridge cover is also overall structure made of punching press.
The ends Inner of the oil inlet of above-mentioned spool are arc structure.
The automatic gear-box gear control switch solenoid valve of the present invention, includes to be adapted valve body, spool and electromagnet
Component, valve body offer P mouthfuls and A mouthfuls, and the P mouthfuls of inner cavities through spool are communicated with described A mouthfuls, in spool between spool and cartridge cover
It is provided with steel ball, the break-make controlled between P mouthfuls and A mouthfuls is matched with the oil inlet of spool by steel ball, to control electromagnetism
The keying of valve；When solenoid valve is closed, steel ball and oil inlet phase are made by the mandril at its center under the action of the spring of dynamic iron core
Sealing, to make to be separated between P mouthfuls and A mouthfuls, after coil block is powered, dynamic iron core moves to right under electromagnetic force, and steel ball loses
It after having gone the thrust of mandril, is washed open by P mouthfuls of oil pressure, oil inlet opens wide, and is connected between P mouthfuls and A mouthfuls, and solenoid valve is opened.Due to
Steel ball can only move between spool and cartridge cover, therefore the dynamic iron core of this solenoid valve only needs extremely short stroke that can realize,
Just because of the stroke of dynamic iron core is short, therefore its sensitive, fast response time of control.
In addition, setting elastic washer can play anti-loose effect, it is effectively prevent the loosening of back shroud, ensures the stabilization of assembly
Property, to ensure the stable operation of magnetic valve performance.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the present invention；
Fig. 2 is the structural schematic diagram of valve body in Fig. 1；
Fig. 3 is the schematic cross-sectional view of valve body and spool part in Fig. 1；
Fig. 4 is the structural schematic diagram of elastic washer in Fig. 1.
Specific implementation mode
Below in conjunction with attached drawing embodiment, present invention is further described in detail.
It is as shown in Figures 1 to 4 the structural schematic diagram of the present invention,
Reference numeral therein is：Valve body 1, P mouths 11, A mouths 12, T mouths 13, shell 14, sealing ring 15, spool 2, oil inlet
2a, cartridge cover 21, steel ball 3, coil block 4, front shroud 41, back shroud 42, static iron core 5, spring base 51, dynamic iron core 6, mandril
61, spring 7, elastic washer 8, washer body 81, elastic piece 82.
As shown in Figures 1 to 4,
Automatic gear-box gear control switch solenoid valve includes to be adapted valve body 1, spool 2 and electromagnet assembly, valve
Body 1 offers P mouths 11 and A mouths 12, and spool 2 is assemblied in the valve body 1, inner cavity of the P mouths 11 through spool 2 and 12 phase of A mouths
It is logical, it is provided with cartridge cover 21 in spool 2, steel ball 3, steel ball 3 and the spool are provided between the cartridge cover 21 and the spool 2
2 oil inlet 2a matches the break-make between control P mouths 11 and A mouths 12；Electromagnet assembly includes coil block 4, coil block 4
Spring 7 between the static iron core 5 and dynamic iron core 6 and static iron core 5 and dynamic iron core 6 at center, dynamic iron core 6 are provided centrally with a top
Bar 61, the mandril 61 are matched across the cartridge cover 21 with steel ball 3.
In embodiment, T mouths 13 are additionally provided on valve body 1, which communicates with the inner cavity of the valve body 1.The work of T mouths 13
With being to release the remaining oil pressure in spool 2, remaining oil pressure is avoided to be impacted caused by solenoid valve, is conducive to solenoid valve and uses the longevity
The raising of life.
In embodiment, the front side of coil block 4 is provided with front shroud 41, and the rear side of coil block 4 is provided with back shroud 42.
In embodiment, elastic washer 8 is provided between back shroud 42 and the coil block 4, elastic washer 8 includes washer
The elastic piece 82 of 81 protrusion of ontology 81 and washer body.
Elastic piece 82 shares 3 groups, and every group 2,3 groups of elastic pieces 82 are uniformly distributed in the periphery of washer body 81.When assembly,
Back shroud 42 is inwardly compressed, to flattening the elastic piece 82 on elastic washer 8, since elastic piece 82 elastic force of itself can be
Back shroud 42 generates an outside thrust, which is causing prestressing force in back shroud 42, to prevent the pine of back shroud 42
It is dynamic, and then ensure that the stability of entire solenoid valve assembly, be conducive to the stable operation of solenoid valve in this way.
In embodiment, the stroke of dynamic iron core 6 is 0.5mm-1mm.
In embodiment, spring base 51 is provided in static iron core 5, one end of spring 7 offsets with the spring base 51, another
The inner wall with the dynamic iron core 6 is held to offset.
In embodiment, shell 14 is provided with outside electromagnet assembly and the valve body 1.Shell 14 is wrapped in valve body 1 and electricity
The periphery of the coil block 4 of magnet assemblies, to which electromagnet assembly and valve body 1 are fixed into an entirety.
In embodiment, sealing ring 15 is provided between valve body 1 and spool 2.The setting of sealing ring 15 ensure that valve body 1 and valve
Leakproofness between core 2, the gap location avoided between valve body 1 and spool 2 leak.
In embodiment, spool 2 is overall structure made of punching press, and cartridge cover 21 is also overall structure made of punching press.Valve
Core 2 and cartridge cover 21 are all made of stamping parts, easy to process, and the consistency of product is good.
In embodiment, the ends Inner of the oil inlet 2a of spool 2 are arc structure.
Operation principle：
This automatic gear-box gear control switch solenoid valve, including valve body 1, spool 2 and electromagnet assembly, spool 2 fill
Assigned in valve body 1, valve body 1 offers P mouths 11 and A mouths 12, and inner cavity of the P mouths 11 through spool 2 is communicated with the A mouths 12, in spool 2
It is provided with steel ball 3 between spool 2 and cartridge cover 21, matches control P mouths 11 and A with the oil inlet 2a of spool 2 by steel ball 3
Break-make between mouthfuls 12, to control the keying of solenoid valve.A centrally disposed mandril 61 for dynamic iron core 6, dynamic iron core 6 is in spring
The effect of 7 elastic force, and so that steel ball 3 is matched with the oil inlet 2a of spool 2 by mandril 61.
When the coil block 4 of electromagnet assembly is not powered on, the elastic force of spring 7 pushes away dynamic iron core 6 to the left, then by moving iron
The mandril 61 at 6 center of core pushes up steel ball 3 to the left, so that the oil inlet 2a of steel ball 3 and spool 2 is formed and seals, thus by P mouths 11 and A
Separate between mouth 12, at this moment solenoid valve is just closed.
After the coil block 4 of electromagnet assembly is powered, coil block 4 generates electromagnetic force, and dynamic iron core 6 is made to overcome spring 7
Elastic force move right, dynamic iron core 6 move to right drive mandril 61 move to right, make mandril 61 be detached from steel ball 3；Steel ball 3 is losing top
It after the active force of bar 61, is washed open by the oil pressure of P mouths 11, and then is detached from oil inlet 2a, sealing is led by broken ring, P mouths 11 and A mouths 12
Logical, at this moment solenoid valve is just in open state.
After power-off, dynamic iron core 6 loses the effect of electromagnetic force, just moves to left under the effect of the elastic force of spring 7, finally makes again
The oil inlet 2a of steel ball 3 and spool 2 forms sealing again, and solenoid valve is closed；And remaining oil pressure is then from 13 row of T mouths in spool 2
Go out.
Since steel ball 3 can only move between spool 2 and cartridge cover 21,6 need of dynamic iron core of this solenoid valve are extremely short
Stroke can realize the control opened and closed to solenoid valve, keep this solenoid valve control sensitive, fast response time.
Highly preferred embodiment of the present invention has illustrated, and the various change or remodeling made by those of ordinary skill in the art are not
It can depart from the scope of the present invention.
Claims (1)
1. automatic gear-box gear control switch solenoid valve includes to be adapted valve body (1), spool (2) and electromagnet assembly,
The valve body (1) offers P mouthfuls (11) and A mouthfuls (12), is additionally provided on the valve body (1) T mouthfuls (13), the T mouthfuls (13)
It is communicated with the inner cavity of the valve body (1)；The spool (2) is assemblied in the valve body (1), and the P mouths (11) are through spool
(2) inner cavity is communicated with A mouthfuls described (12)；The electromagnet assembly includes coil block (4), coil block (4) center
Spring (7) between static iron core (5) and dynamic iron core (6) and static iron core (5) and dynamic iron core (6), in the dynamic iron core (6)
The heart is provided with a mandril (61), and front shroud (41), the coil block (4) are provided on front side of the coil block (4)
Rear side be provided with back shroud (42)；It is characterized in that：It is provided with sealing ring (15) between the valve body (1) and spool (2)；Institute
It is provided with cartridge cover (21) in the spool (2) stated, steel ball (3), steel ball are provided between the cartridge cover (21) and the spool (2)
(3) it can only be moved between spool (2) and cartridge cover (21)；The spool (2) is overall structure made of punching press, described
Cartridge cover (21) is also overall structure made of punching press；The ends Inner of the oil inlet (2a) of the spool (2) are arc structure；Institute
The steel ball (3) stated matches the break-make between control P mouthfuls (11) and A mouthfuls (12) with the oil inlet (2a) of the spool (2)；The top
Bar (61) is matched across the cartridge cover (21) with steel ball (3)；
It is provided with elastic washer (8), the elastic washer (8) between the back shroud (42) and the coil block (4)
Elastic piece (82) including washer body (81) and washer body (81) protrusion；Elastic piece (82) shares 3 groups, every group 2, and 3
Group elastic piece (82) is uniformly distributed in the periphery of washer body (81)；The stroke of the dynamic iron core (6) is 0.5mm-1mm；
It is provided with spring base (51), one end and the spring base (51) phase of the spring (7) in the static iron core (5)
It supports, the other end and the inner wall of the dynamic iron core (6) offset；It is provided with outside the electromagnet assembly and the valve body (1) outer
Shell (14)；Shell (14) is wrapped in the periphery of the coil block (4) of valve body (1) and electromagnet assembly, thus by electromagnet group
Part is fixed into an entirety with valve body (1)；
The operation principle of automatic gear-box gear control switch solenoid valve is：When the coil block (4) of electromagnet assembly is not powered on
When, the elastic force of spring (7) pushes away dynamic iron core (6) to the left, then by the mandril (61) at dynamic iron core (6) center by steel ball (3) to the left
Top makes the oil inlet (2a) of steel ball (3) and spool (2) be formed and seals, to separate between P mouthfuls (11) and A mouthfuls (12), at this moment
Solenoid valve is just closed；After the coil block (4) of electromagnet assembly is powered, coil block (4) generates electromagnetic force, makes
Dynamic iron core (6) overcomes the elastic force of spring (7) to move right, and moving to right for dynamic iron core (6) drives mandril (61) to move to right, and makes mandril (61)
It is detached from steel ball (3)；Steel ball (3) is washed open after the active force for losing mandril (61) by the oil pressure of P mouthfuls (11), and then and oil inlet
Mouth (2a) is detached from, and sealing is by broken ring, and P mouthfuls (11) and A mouthfuls (12) conducting, at this moment solenoid valve is just in open state；After power-off,
Dynamic iron core (6) loses the effect of electromagnetic force, is just moved to left under the effect of the elastic force of spring (7) again, finally makes steel ball (3) and spool
(2) oil inlet (2a) forms sealing again, and solenoid valve is closed；And remaining oil pressure is then discharged from T mouthfuls (13) in spool (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610760001.5A CN106246901B (en) | 2016-08-30 | 2016-08-30 | Automatic gear-box gear control switch solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610760001.5A CN106246901B (en) | 2016-08-30 | 2016-08-30 | Automatic gear-box gear control switch solenoid valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106246901A CN106246901A (en) | 2016-12-21 |
| CN106246901B true CN106246901B (en) | 2018-08-17 |
Family
ID=57597397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610760001.5A Active CN106246901B (en) | 2016-08-30 | 2016-08-30 | Automatic gear-box gear control switch solenoid valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN106246901B (en) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03157576A (en) * | 1989-11-15 | 1991-07-05 | Aisin Aw Co Ltd | Three-way solenoid valve and manufacture thereof |
| WO1999010670A1 (en) * | 1997-08-25 | 1999-03-04 | Mitsubishi Denki Kabushiki Kaisha | Duty driving solenoid valve |
| DE10255524B4 (en) * | 2001-11-27 | 2004-08-26 | Kendrion Binder Magnete Gmbh | Electromagnetic 3/2-way seat valve with A compensation |
| CN2612578Y (en) * | 2003-03-31 | 2004-04-21 | 贵州红林机械有限公司 | Decompression type electromagnetic valve for anti-locking apparatus of car |
| ITBO20070858A1 (en) * | 2007-12-31 | 2009-07-01 | Santis Enzo De | ELECTROMAGNETIC ACTUATOR FOR A PROPORTIONAL SOLENOID VALVE |
| US20130333218A1 (en) * | 2010-10-15 | 2013-12-19 | Advanced Powertrain Engineering, Llc | Rebuilding solenoid assemblies for automatic transmissions |
| CN201687586U (en) * | 2010-05-18 | 2010-12-29 | 贵州红林机械有限公司 | Fuel control switch valve |
| CN201706041U (en) * | 2010-05-18 | 2011-01-12 | 贵州红林机械有限公司 | Two-position and three-way high flow rate high-speed valve |
| CN102537475A (en) * | 2010-12-10 | 2012-07-04 | 贵州红林机械有限公司 | Improved normally open type proportion pressure electromagnetic valve |
| CN103671952B (en) * | 2014-01-08 | 2016-04-06 | 浙江弘驰科技股份有限公司 | A kind of lightweight miniaturization ultra high speed switch electromagnetic valve |
| CN104728421A (en) * | 2014-12-11 | 2015-06-24 | 贵州红林机械有限公司 | Improved method and device for pressure proportional valve of automobile automatic gearbox |
| CN205937785U (en) * | 2016-08-30 | 2017-02-08 | 宁波星宇国均汽车电磁阀有限公司 | Automatic gearbox gear control switch solenoid valve |
-
2016
- 2016-08-30 CN CN201610760001.5A patent/CN106246901B/en active Active
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| CN106246901A (en) | 2016-12-21 |
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Address after: 315514 55 Fang Gang Road, Fang Qiao Industrial Area, Jiangkou street, Fenghua, Zhejiang Applicant after: Ningbo Pu Lowell mechanical and Electrical Technology Co.,Ltd. Address before: 315514 55 Fang Gang Road, Fang Qiao Industrial Area, Jiangkou street, Fenghua, Ningbo, Zhejiang Applicant before: NINGBO XINGYU GUOJUN AUTO SOLENOID VALVE CO.,LTD. |
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Effective date of registration: 20200908 Address after: 315514, Zhejiang, Ningbo province Fenghua District Jiangkou Street Square Bridge Industrial Zone Hengfeng Road West End Patentee after: XINGYU ELECTRON (NINGBO) Co.,Ltd. Address before: 315514, No. 55, Fang Gang Road, Fenghua District, Zhejiang Province Patentee before: Ningbo Pu Lowell mechanical and Electrical Technology Co.,Ltd. |
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Denomination of invention: Automatic transmission gear control switch solenoid Effective date of registration: 20210918 Granted publication date: 20180817 Pledgee: Bank of China Limited by Share Ltd. Fenghua branch Pledgor: XINGYU ELECTRON (NINGBO) Co.,Ltd. Registration number: Y2021330001729 |
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Date of cancellation: 20230808 Granted publication date: 20180817 Pledgee: Bank of China Limited by Share Ltd. Fenghua branch Pledgor: XINGYU ELECTRON (NINGBO) CO.,LTD. Registration number: Y2021330001729 |
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