CN102606749A - Pilot electromagnetic valve - Google Patents
Pilot electromagnetic valve Download PDFInfo
- Publication number
- CN102606749A CN102606749A CN2011104590625A CN201110459062A CN102606749A CN 102606749 A CN102606749 A CN 102606749A CN 2011104590625 A CN2011104590625 A CN 2011104590625A CN 201110459062 A CN201110459062 A CN 201110459062A CN 102606749 A CN102606749 A CN 102606749A
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- Prior art keywords
- valve
- communicated
- pipeline
- spool
- water outlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 230000006835 compression Effects 0.000 claims abstract description 38
- 238000007906 compression Methods 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 22
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a pilot magnetic valve, which relates to the technical field of valves and solves the problem that a pilot electromagnetic valve in the prior art cannot be used in an emergency condition after an electromagnetic control function is failed. The pilot electromagnetic valve in an embodiment of the invention comprises a valve body with a circulating cavity, a water inlet and a water outlet which are communicated with the circulating cavity are further arranged on the valve body, a slidable valve spool used for sealing the water outlet is disposed at the circulating cavity, a mounting opening for mounting the valve spool is further arranged on the valve body, a valve bonnet is sealed on the mounting opening, a space between the valve spool and the valve bonnet is supported by an elastic part, a compression cavity is formed between the valve spool and the valve bonnet and communicated with the circulating cavity, at least two pilot pipelines which are communicated with the water outlet and the compression cavity are further disposed on the valve body, an electromagnetic valve is arranged on a path of one pilot pipeline and controls on and off of the pilot pipeline, and a manual valve is arranged on a path of the other pilot pipeline and controls on and off of the other pilot pipeline. The pilot electromagnetic valve is mainly used for controlling various fluids.
Description
Technical field
The present invention relates to valve technology field, relate in particular to the pilot solenoid valve in the valve.
Background technique
In existing engineering, generally need use valve, especially in hydraulic engineering, need the switch of valve as current.Pilot solenoid valve is exactly a kind of valve, through pilot solenoid valve can controlled water flow etc. the break-make of fluid.But pilot solenoid valve of the prior art can only carry out the control of fluid break-make through electrical signal, under outage or solenoid valve situation about breaking down, can not work on.
Summary of the invention
The embodiment of the invention provides a kind of pilot solenoid valve, can realize the break-make of manual control electromagnetic valve.
For achieving the above object, the present invention adopts following technological scheme:
A kind of pilot solenoid valve comprises the valve body with flowing lumen, also is provided with the water intake and the water outlet that are communicated with said flowing lumen on the said valve body, and said flowing lumen place is provided with the slidably spool that seals up said water outlet; Also be provided with the mount inlet that said spool is installed on the said valve body, be sealed with valve gap on the said mount inlet; Support through elastic component between said spool and the valve gap, and form compression chamber between said spool and the said valve gap, be communicated with between said compression chamber and the flowing lumen;
Also be provided with at least two first roddings that are communicated with said water outlet and said compression chamber on the said valve body, the path of one of them first rodding is provided with the electromagnetic valve of its break-make of control, and the path of another first rodding is provided with the manually-operated gate of its break-make of control.
Said water outlet is the water chamber that is in communication with the outside that is provided with in the said valve body.
Said spool is provided with pipeline, passes through said pipeline connection between said compression chamber and the flowing lumen.
Be provided with modulating valve in the said pipeline, be provided with through hole in this modulating valve.
Adopt the sealing sliding motion structure between said spool and the valve body on the sidewall of slide relative, the line portals that is communicated with said flowing lumen in the said pipeline is positioned on the spool sidewall, and said line portals is between sealing sliding motion structure and flowing lumen.
Said first rodding comprises the sub-pipeline that two intersections are communicated with, and a strip pipeline is communicated with water outlet, and another strip pipeline is communicated with compression chamber.
Said first rodding comprises a connecting pipeline that is communicated with compression chamber separately, and two bye-passes that intersection is communicated with, and wherein a bye-pass is communicated with water outlet, another bye-pass and said pipeline connection.
Connecting port between said another bye-pass and the compression chamber seals up through Sealing.
Be provided with the connecting tube of hollow on the said first rodding with the water outlet place of connection, the part that said connecting tube is arranged in water chamber is provided with opening on sidewall, the water outlet direction of said opening in water chamber; For being threaded, and carry out the location of said connecting tube between said connecting tube and the first rodding through the screw-in position of screw thread.
Said valve body is provided with the position limit pin near said manually-operated gate, and said position limit pin limits the unlatching scope of said manually-operated gate.
The pilot solenoid valve that the embodiment of the invention provides is provided with at least two first roddings that are communicated with said water outlet and said compression chamber, and carries out the control of first rodding through electromagnetic valve and manually-operated gate respectively on valve body; Under the situation of electromagnetic valve cisco unity malfunction; Open pilot solenoid valve through manually-operated gate, satisfy the demand of emergency operation, if for example in the scene of fire electromagnetic valve can not work; Then can guarantee valve open, make the hydraulic giant of the disaster relief to open.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is for being equipped with the valve body schematic representation of spool and valve gap in the embodiment of the invention;
Fig. 2 is a valve body structure schematic representation in the embodiment of the invention;
Fig. 3 is a pilot solenoid valve assembling schematic representation in the embodiment of the invention;
Fig. 4 is the explosive view of Fig. 3;
Fig. 5 is the embodiment of the invention pilot solenoid valve sectional view on first rodding therein;
Fig. 6 is the sectional view of embodiment of the invention pilot solenoid valve on another first rodding;
Fig. 7 is the amplification view of modulating valve in the embodiment of the invention pilot solenoid valve;
Fig. 8 is the amplification view of spool in the embodiment of the invention pilot solenoid valve.
Reference character:
10 valve bodies, 20 spools, 30 valve gaps
40 elastic components, 50 electromagnetic valves, 60 manually-operated gates
70 modulating valve, 80 connecting tubes, 11 flowing lumens
12 water intakes, 13 water outlets, 14 mount inlets
15 compression chambers, 16 first rodding 17 first roddings
18 Sealings, 21 grooves, 22 seal rings
23 pipelines, 71 through holes, 81 openings
161 sub-pipeline 162 sub-pipeline 171 connecting pipelines
172 bye-passes, 173 bye-passes, 24 seal rings
61 seal bar, 62 sealing gaskets, 63 seal rings
64 operating stem, 65 position limit pins
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technological scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The embodiment of the invention provides a kind of pilot solenoid valve; As depicted in figs. 1 and 2, this pilot solenoid valve comprises valve body 10, is provided with flowing lumen 11 in the valve body 10; And also be provided with the water intake 12 and water outlet 13 that are communicated with said flowing lumen 11 on the said valve body 10; When pilot solenoid valve was in open mode, fluid advanced 12 by water intake and goes into, and flowed out from going out current 13 through flowing lumen 11 backs.In order to control the circulation of fluid; As shown in Figure 1; The embodiment of the invention is provided with the slidably spool 20 that seals up said water outlet 13 at flowing lumen 11 places, and also is provided with the mount inlet 14 that said spool 20 is installed on the valve body 10, can be with spool 20 flowing lumen 11 of packing into from said mount inlet 14; Adopt valve gap 30 sealings at mount inlet 14 then, anti-fluid flows out through mount inlet 14; In order to make spool 20 can seal up above-mentioned water outlet 13, the embodiment of the invention is provided with elastic component 40 between spool 20 and valve gap 30, supports spool 20 through this elastic component 40; And an end that seals water outlet in the embodiment of the invention on the spool 20 is equipped with seal ring 24.
In order to make pilot solenoid valve can control the circulation of fluid; Make it switch to open mode from closed condition; Need to destroy the balance of hydrodynamic pressure between above-mentioned compression chamber 15 and the flowing lumen 11, make spool 20 under the effect of fluid pressure differential, leave water outlet 13, thereby make fluid to flow out; Scheme such as Fig. 3 and shown in Figure 4 that the embodiment of the invention adopts; Also be provided with at least two first roddings that are communicated with said water outlet 13 and said compression chamber 15 on the valve body 10, the path of one of them first rodding 16 is provided with the electromagnetic valve 50 of its break-make of control, and the path of another first rodding 17 is provided with the manually-operated gate 60 of its break-make of control.
Only need be when using this pilot solenoid valve through opening electromagnetic valve or opening manually-operated gate; Just can be so that compression chamber 15 is communicated with water outlet 13; Make the segment fluid flow in the compression chamber 15 flow out; Reduce compression chamber 15 fluid pressures, so both can push spool 20 to valve gap 30 directions, realize the purpose of fluid flow through the hydrodynamic pressure in the flowing lumen 11.Certainly; When needs are closed pilot solenoid valve; Only need electromagnetic valve 50 and manually-operated gate 60 be closed simultaneously, both can make compression chamber 15 fluid pressures become big, return to state with flowing lumen 11 balances; Utilize above-mentioned elastic component 40 both can make that spool 20 sealed up water outlet 13 once more, blocked the circulation of fluid.
After the pilot solenoid valve that the employing embodiment of the invention provides; Owing to carry out the control of first rodding through electromagnetic valve and manually-operated gate, under the situation of electromagnetic valve cisco unity malfunction, open pilot solenoid valve through manually-operated gate; Satisfy the demand of emergency operation; If for example electromagnetic valve can not be worked in the scene of fire, then can guarantee valve open, make the hydraulic giant of the disaster relief to open.
Generally speaking; Pilot solenoid valve in the embodiment of the invention is imported and exported and all need be communicated with fluid hose, in order to connect fluid hose better, shown in Fig. 1 to 6; Water outlet 13 in the embodiment of the invention adopts the water chamber structure shown in the figure; Mouthful can be sealed between water chamber and the flowing lumen 11, and this water chamber need be in communication with the outside, so that can be connected with fluid hose.
Mode of communicating in the embodiment of the invention between compression chamber 15 and the flowing lumen 11 can adopt but be not limited to following scheme: pipeline 23 is set on spool 20; Then through this pipeline connection compression chamber 15 and flowing lumen 11; This pipeline can be designed to indentation in general, like broken line shape or curvilinerar figure or the like.
Like Fig. 1, Fig. 3 and shown in Figure 4; In order when manufacturing, to carry out the control of flow between compression chamber 15 and the flowing lumen 11 easily, the embodiment of the invention is provided with modulating valve 70 in above-mentioned pipeline, and the enlarged view of modulating valve 70 is as shown in Figure 7; And be provided with through hole 71 in this modulating valve 70; When actual production, only need the flow size of through hole 71 in this modulating valve 70 of adjustment just can realize flow control between compression chamber 15 and the flowing lumen 11, need on spool 20 this bigger parts, not carry out small Flow-rate adjustment; The processing of on this less part of modulating valve 70, carrying out Flow-rate adjustment comparatively speaking is fairly simple, has made things convenient for the manufacturing.
In embodiments of the present invention; Adopt the sealing sliding motion structure between spool 20 and the valve body 10 on the sidewall of slide relative; As shown in Figure 8, can on the sidewall of spool, offer groove 21 in general, and seal ring 22 is set in groove 21; Realize the sealing slip of spool 20 and valve body 10; The line portals that is communicated with said flowing lumen 11 in the pipeline 23 on the embodiment of the invention spool 20 is positioned on spool 20 sidewalls, and said line portals is between sealing sliding motion structure and flowing lumen, and concrete fluid flowsheet circuit sees also direction shown in the arrow among Fig. 1.
Because the space is limited on the pilot solenoid valve valve body, first rodding can adopt but is not limited to following scheme in the embodiment of the invention:
The first, as shown in Figure 5; This elder generation's rodding 16 comprises the sub-pipeline 161 and 162 that two intersections are communicated with; One strip pipeline 161 is communicated with water outlet 13, and another strip pipeline 162 is communicated with compression chamber 15, and the valve operated by rotary motion on this first rodding 16 is in above-mentioned sub-pipeline 161 and 162; Infall, and extend to the valve body outside through the valve on the valve body 10 dress mouthful a controlling component with valve.
The second, as shown in Figure 6; This elder generation's rodding 17 comprises a connecting pipeline 171 that is communicated with compression chamber 15 separately; And two bye- passes 172 and 173 that intersection is communicated with, wherein a bye-pass 172 is communicated with water outlet 13, and another bye-pass 173 is communicated with said connecting pipeline 171; The valve of this first rodding generally is positioned at the connection position of another bye-pass 173 and said connecting pipeline 171, also need controlling component be extended to the valve body outside through the valve mount inlet on the valve body 10.Manufacture conveniently in order to make; A general end that on valve body, is positioned at compression chamber is made said another bye-pass 173; So; The embodiment of the invention need seal up the connecting port between another bye-pass 173 and the compression chamber 15 through Sealing 18, make that the state of closing and opening of first rodding 17 can be sensitive more.
Two first roddings in the embodiment of the invention have just adopted the set-up mode of above-mentioned two kinds of first roddings respectively; Specifically as shown in Figure 6; Solid line has been expressed a first rodding among Fig. 6; Dotted line is represented another first rodding (the first rodding of the common sign of solid line and dotted line among Fig. 5 just); Make the first rodding of manually-operated gate control can and deposit in limited space like this with the first rodding of electromagnetic valve control, make make this pilot solenoid valve with manual control and Electromagnetic Control more simply, can realize.
Among Fig. 6 shown in the dotted line in the first rodding two each other intersect the sub-pipelines that are communicated with; Can process from the water outlet 13 of valve body and the position of compression chamber 15 respectively; The pipeline that wherein is communicated with compression chamber 15 separately then can be from the position processing of compression chamber 15; This operative position is better, is fit to manufacturing.
In order to guarantee after solenoid valve is opened, can to continue to circulate; As shown in Figure 6; The embodiment of the invention formerly is provided with the connecting tube 80 of hollow on the rodding with water outlet 13 places of connection; Realize being communicated with of first rodding and water outlet 13 through this hollow connecting tube 80, and on sidewall, be provided with opening 81 in the part that connecting tube 80 is arranged in water chamber, this opening 81 passes through hollow portion and guide's pipeline connection of connecting tube 80; The water outlet direction of said opening 81 in water chamber; So just can make the pressure of water intake 12 and flowing lumen 11 spool 20 to be compressed to valve gap 30 directions always, realize the lasting circulation of fluid so that the hydrodynamic pressure in guide's pipeline keeps going out pressure with water chamber to maintain an equal level always.Connecting tube 80 among Fig. 6 is installed in the sub-pipeline 161.
Because the connecting tube of above-mentioned hollow need guarantee the water outlet direction of opening 81 towards water chamber; For can be accurately and carry out installing and locating simply; In the embodiment of the invention between connecting tube 80 and the first rodding for being threaded; And carry out the location of said connecting tube through the screw-in position of screw thread, just the silk position through screw thread guarantees the position after connecting tube is in place.
Electromagnetic valve can adopt the structure of existing electromagnetic valve in the embodiment of the invention, and electromagnetic valve need adopt sealing configuration, in case fluid is revealed from electromagnetic valve, repeats no more here.What need detailed description is the manually-operated gate structure that the embodiment of the invention adopts; Like Fig. 3, Fig. 4 and shown in Figure 5; This manually-operated gate 60 comprises the seal bar 61 that extend in the valve body 10, and the end with guide's line seal on the seal bar 61 is provided with sealing gasket 62, and on seal bar 61, along the circumferential direction also is provided with seal ring 63; Can prevent preferably that through sealing gasket 62 and seal ring 63 fluid is from manually-operated gate 60 leakages; The seal bar 61 of the embodiment of the invention reaches valve body 10 outsides, and is exposed to the outside part of valve body in seal bar 61 and is provided with operating stem 64, to make things convenient for manual unlocking and to close manually-operated gate.
As shown in Figure 4; The embodiment of the invention also is provided with the position limit pin 65 near said manually-operated gate on valve body; The unlatching scope of the said manually-operated gate of said position limit pin 65 restrictions, manually-operated gate adopts engage thread to cooperate with valve body generally speaking, and the rotation manual valve just can be opened; Through this position limit pin 65 can the limit manual valve rotation amplitude, easy-to-operat.
Pilot solenoid valve in the embodiment of the invention is mainly used in the various fluid controls, includes but not limited to circulation control of current control, oil or the like.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. a pilot solenoid valve comprises the valve body with flowing lumen, also is provided with the water intake and the water outlet that are communicated with said flowing lumen on the said valve body, and said flowing lumen place is provided with the slidably spool that seals up said water outlet; Also be provided with the mount inlet that said spool is installed on the said valve body, be sealed with valve gap on the said mount inlet; Support through elastic component between said spool and the valve gap, and form compression chamber between said spool and the said valve gap, be communicated with between said compression chamber and the flowing lumen;
It is characterized in that:
Also be provided with at least two first roddings that are communicated with said water outlet and said compression chamber on the said valve body, the path of one of them first rodding is provided with the electromagnetic valve of its break-make of control, and the path of another first rodding is provided with the manually-operated gate of its break-make of control.
2. pilot solenoid valve according to claim 1 is characterized in that, said water outlet is the water chamber that is in communication with the outside that is provided with in the said valve body.
3. pilot solenoid valve according to claim 1 is characterized in that said spool is provided with pipeline, passes through said pipeline connection between said compression chamber and the flowing lumen.
4. pilot solenoid valve according to claim 1 is characterized in that, is provided with modulating valve in the said pipeline, is provided with through hole in this modulating valve.
5. pilot solenoid valve according to claim 4; It is characterized in that; Adopt the sealing sliding motion structure between said spool and the valve body on the sidewall of slide relative; The line portals that is communicated with said flowing lumen in the said pipeline is positioned on the spool sidewall, and said line portals is between sealing sliding motion structure and flowing lumen.
6. pilot solenoid valve according to claim 1 is characterized in that, said first rodding comprises the sub-pipeline that two intersections are communicated with, and a strip pipeline is communicated with water outlet, and another strip pipeline is communicated with compression chamber.
7. pilot solenoid valve according to claim 1; It is characterized in that said first rodding comprises a connecting pipeline that is communicated with compression chamber separately, and two bye-passes that intersection is communicated with; Wherein a bye-pass is communicated with water outlet, another bye-pass and said pipeline connection.
8. pilot solenoid valve according to claim 7 is characterized in that, the connecting port between said another bye-pass and the compression chamber seals up through Sealing.
9. pilot solenoid valve according to claim 2; It is characterized in that; Be provided with the connecting tube of hollow on the said first rodding with the water outlet place of connection, the part that said connecting tube is arranged in water chamber is provided with opening on sidewall, the water outlet direction of said opening in water chamber; For being threaded, and carry out the location of said connecting tube between said connecting tube and the first rodding through the screw-in position of screw thread.
10. pilot solenoid valve according to claim 1 is characterized in that said valve body is provided with the position limit pin near said manually-operated gate, and said position limit pin limits the unlatching scope of said manually-operated gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104590625A CN102606749A (en) | 2011-12-26 | 2011-12-26 | Pilot electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104590625A CN102606749A (en) | 2011-12-26 | 2011-12-26 | Pilot electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102606749A true CN102606749A (en) | 2012-07-25 |
Family
ID=46524394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104590625A Pending CN102606749A (en) | 2011-12-26 | 2011-12-26 | Pilot electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102606749A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854762A (en) * | 2017-11-30 | 2019-06-07 | 宁波方太厨具有限公司 | A kind of on-off valve |
| CN109990117A (en) * | 2019-05-06 | 2019-07-09 | 珠海格力智能装备有限公司 | Control valve and integrated pipeline with same |
| CN112654809A (en) * | 2018-09-13 | 2021-04-13 | 川崎重工业株式会社 | Valve device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005052420A1 (en) * | 2003-11-24 | 2005-06-09 | Alumina Micro Llc | Microvalve device suitable for controlling a variable displacement compressor |
| CN2931959Y (en) * | 2006-06-28 | 2007-08-08 | 王树先 | High-voltage magnetic valve |
| CN202392257U (en) * | 2011-12-26 | 2012-08-22 | 沃尔液压科技(浙江)有限公司 | Pilot electromagnetic valve |
-
2011
- 2011-12-26 CN CN2011104590625A patent/CN102606749A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005052420A1 (en) * | 2003-11-24 | 2005-06-09 | Alumina Micro Llc | Microvalve device suitable for controlling a variable displacement compressor |
| CN2931959Y (en) * | 2006-06-28 | 2007-08-08 | 王树先 | High-voltage magnetic valve |
| CN202392257U (en) * | 2011-12-26 | 2012-08-22 | 沃尔液压科技(浙江)有限公司 | Pilot electromagnetic valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854762A (en) * | 2017-11-30 | 2019-06-07 | 宁波方太厨具有限公司 | A kind of on-off valve |
| CN109854762B (en) * | 2017-11-30 | 2024-01-16 | 宁波方太厨具有限公司 | On-off valve |
| CN112654809A (en) * | 2018-09-13 | 2021-04-13 | 川崎重工业株式会社 | Valve device |
| CN109990117A (en) * | 2019-05-06 | 2019-07-09 | 珠海格力智能装备有限公司 | Control valve and integrated pipeline with same |
| CN109990117B (en) * | 2019-05-06 | 2024-03-08 | 珠海格力智能装备有限公司 | Control valve and integrated pipeline with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG WOER HYDRAULIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WOER HYDRAULIC TECHNOLOGY (ZHEJIANG) CO., LTD. Effective date: 20121214 |
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| C10 | Entry into substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121214 Address after: 66 No. 314306 Zhejiang province Haiyan Tong Yuan Tong Yuan Zhen Road Industrial Area Applicant after: ZHEJIANG WOER HYDRAULIC TECHNOLOGY Co.,Ltd. Address before: 66 No. 314306 Zhejiang province Haiyan Tong Yuan Tong Yuan Zhen Road Industrial Area Applicant before: Woer Hydraulic Technology (Zhejiang) Co.,Ltd. |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120725 |