CN101968127B - Water collector - Google Patents
Water collector Download PDFInfo
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- CN101968127B CN101968127B CN2010102862090A CN201010286209A CN101968127B CN 101968127 B CN101968127 B CN 101968127B CN 2010102862090 A CN2010102862090 A CN 2010102862090A CN 201010286209 A CN201010286209 A CN 201010286209A CN 101968127 B CN101968127 B CN 101968127B
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Abstract
The invention discloses a water collector, comprising a water collector pipe, a water collector cover and a water collector valve core. The valve core comprises a piston and a push rod; a cavity for water injection is arranged between the upper end of the piston and the water collector cover; the piston is provided with a decompression hole for communicating the cavity with the water collector pipe and a water inlet opening for communicating the cavity with a water inlet; the push rod penetrates through the piston from the top down; and the push rod is provided with a first sealing member cooperated with the decompression hole, the top of the push rod is provided with an internal magnetic component, and an outside magnetic force moving axially is acted on the internal magnetic component so as to drive the push rod to axially displace. The water collector provided by the invention benefits the reducing of the acting force provided by the outside world by sufficiently utilizing the system water pressure and the magnetic field force, without directly contacting with the external devices, thereby solving the problem that the requirement of the mechanical contact seal for the parts processing and assembling technology is high, and improving the service life and the reliability of the water collector.
Description
Technical field
The present invention relates to HVAC and Hydraulic Field, particularly a kind of water-collecting machine.
Background technique
Water-collecting machine is that a kind of current with each duplexure compile, and in the input backwater main pipe, realizes the device of circular flow, and it is widely used in the HVAC field.
The water-collecting machine spool that is used for heat supply heating in the market all adopts mechanical type depression bar structure, and the valve rod lower end connects flap, and valve rod passes water-collecting machine lid and packing seal letter, and expose the valve rod upper end, to make things convenient for the external force effect.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of typical mechanical pressure bar type water-collecting machine in the existing technology.
Water-collecting machine generally includes water-collecting machine body 11, and water-collecting machine body 11 tops are equipped with water-collecting machine lid 12, and water-collecting machine body 11 mounted inside have water-collecting machine spool movable up and down.The water-collecting machine valve core inside is equipped with the depression bar 13 that runs through the water-collecting machine spool from top to bottom; Depression bar 13 tops are covered 14 plug-in mountings with sealed letter and are connected; Depression bar 13 middle parts order plug-in mounting from top to bottom are connected with O-ring seals 15, spring 16 and O-ring seals 17; The depression bar lower end is connected with piston 18 plug-in mountings, and the depression bar bottom is equipped with sealing gasket 19.
During the water-collecting machine valve closing; Depression bar 13 drives piston 18 and moves down with the pressure that sealing gasket 19 overcomes water; Spring 16 is compressed distortion; Piston 18 moves down until contacting with the water intake that is positioned at water-collecting machine body 11 bottoms and it being sealed with sealing gasket 19, and power that depression bar 13 motions this moment are required and the power that keeps piston 18 and sealing gasket 19 to be sealed into the mouth of a river provide through the exposed parts transmission on the depression bar by external influence power.
Obviously; When the water-collecting machine valve closing of above-mentioned employing mechanical type depression bar structure; It is maximum that the pressure difference at spool two ends reaches; It is enough big that the active force that provided by the outside this moment also need reach, and this amount of force should be enough to overcome the pressure that acts on the water on the spool and guarantee the pressure that end face seal is required.Obviously, this water-collecting machine in use needs the outside that very large mechanicals efforts can be provided, to guarantee the normal opening and closing of water-collecting machine in the working procedure.
On the other hand, the depression bar and the valve gap of mechanical type depression bar structure water-collecting machine all adopt the packing seal mode, because wearing and tearing are more serious in the working procedure, the working life of above-mentioned two parts is shorter, and the whole service life of water-collecting machine is restricted; Simultaneously, above-mentioned two parts in this structure are had relatively high expectations to processing technology and assembly precision, and careless slightly just possibly causing leaked, and increase the potential hidden danger of product.
Therefore, how reducing that the outside provides the required power of water-collecting machine switch, reduces that service wear improves water-collecting machine working life and reduce parts is the important technological problems that those skilled in the art need solve at present to the requirement of processing technology and assembly precision.
Summary of the invention
The purpose of this invention is to provide a kind of water-collecting machine, this water-collecting machine can reduce the outside to be provided the required power of water-collecting machine switch, reduce service wear raising water-collecting machine working life and reduces the requirement of parts to processing technology and assembly precision.
For solving the problems of the technologies described above, the present invention provides a kind of water-collecting machine, comprises the water-collecting machine body, is positioned at the water-collecting machine lid at said water-collecting machine body top and places the inner water-collecting machine spool of said water-collecting machine body; Said spool comprises piston and push rod; Wherein, but have the cavity of water filling between said piston and the said water-collecting machine lid; Matching with the water intake of said water-collecting machine body in the underpart of said piston, selectively opens or close water intake; Said piston is provided with and is communicated with said cavity and the relief hole of said water-collecting machine body and the water inlet that is communicated with said cavity and said water intake; Said push rod runs through said piston from top to bottom, and its underpart cooperates with the water inlet of said piston, selectively opens or close said water inlet; Said push rod is provided with first Sealing that cooperates with said relief hole, and its top is provided with inner magnetic substance parts; Outside axially movable magnetic force acts on said inner magnetic substance parts, to drive said push rod axial displacement.
Preferably, said push rod stretches out in said piston, and its underpart has the seam that matches with the lower end surface of said water inlet; On the top of said piston and exterior edge face that said first Sealing cooperates, the upper-end surface of said water inlet is lower than the upper-end surface of said relief hole; And the distance between the lower end surface of said first Sealing and the seam of said push rod is greater than the distance between the lower end surface of the upper-end surface of said relief hole and said piston.
Preferably, said water inlet is formed between said push rod and the piston.
Preferably, be provided with pressure spring between the said push rod of the top of said piston and said piston top; Said first Sealing is specially lip ring, and suit is fixed on the inboard said push rod of said pressure spring.
Preferably, the quantity of said relief hole and the quantity of said water inlet are several, and the said piston of said some relief holes and said edge, some water inlets circumferentially is uniformly distributed with.
Preferably; Said inner magnetic substance parts specifically are formed by stacking by two blocks of contacted magnet of same polarity end face; And the outside of said inner magnetic substance parts is arranged with outside magnetic substance parts, and the axial displacement of said outside magnetic substance parts is formed for the outside axially movable magnetic force of said inner magnetic substance parts.
Preferably, be provided with second Sealing between the top of said piston and the said water-collecting machine body.
Preferably, said second Sealing is specially the waterpower piston ring.
Preferably, be provided with the 3rd Sealing between the lower end surface of the seam of said push rod and said water inlet.
Preferably, said water-collecting machine body upper case body is an enclosed construction.
Above-mentioned background is technological relatively, and the spool of water-collecting machine provided by the present invention comprises piston and push rod; Wherein, but have the cavity of water filling between said piston and the said water-collecting machine lid; Matching with the water intake of said water-collecting machine body in the underpart of said piston, selectively opens or close water intake; Said piston is provided with and is communicated with said cavity and the relief hole of said water-collecting machine body and the water inlet that is communicated with said cavity volume and said water intake; Said push rod runs through said piston from top to bottom, and its underpart cooperates with the water inlet of said piston, selectively opens or close said water inlet.In the working procedure, when needing the closure set hydrophone, the water in the pipeline flows in the said cavity through said water inlet, makes the spool two ends all receive the pressure of water, forms the hydraulic equilibrium of spool, thereby provides spool to close required power; When needing to open water-collecting machine, the water in the said chamber flows in the said water-collecting machine body pipeline through said relief hole, makes spool only receive the pressure of water in the lower end, has broken the hydraulic equilibrium of spool, thereby provides spool to open required power.In addition, push rod is provided with first Sealing that cooperates with relief hole, and its top is provided with inner magnetic substance parts; Outside axially movable magnetic force acts on said inner magnetic substance parts, to drive said push rod axial displacement.The mode of action of this magnetic force conduction both effectively for the spool operation provides required power, had greatly reduced the contact between the component again simultaneously, had further effectively evaded the appearance of service wear problem.
In another preferred version of the present invention, push rod stretches out in piston, and its underpart has the seam that matches with the lower end surface of said water inlet, controls the efficient that said water inlet is opened or closed thereby effectively improved; On the top of said piston and exterior edge face that said first Sealing cooperates; The upper-end surface of said water inlet is lower than the upper-end surface of said relief hole; Making to open when perhaps closing relief hole does not influence the water inlet proper functioning, and then has improved sealing and whole working efficiency in the water-collecting machine working procedure; And the distance between the lower end surface of said first Sealing and the seam of said push rod is greater than the distance between the lower end surface of the upper-end surface of said relief hole and said piston; Thereby guaranteed to take place between said push rod and the said piston space of relative displacement, made that the work operation of parts such as said push rod is more flexible and efficient.
To sum up, water-collecting machine provided by the present invention makes full use of the pressure effect of water, and reducing the outside provides the water-collecting machine switch required power; Adopt the magnetic force mode simultaneously, making the transmission of power between the parts is the indirectly-acting mode, thereby has reduced component wear, has prolonged water-collecting machine working life, has reduced the requirement of component to processing technology and assembly precision.
Description of drawings
Fig. 1 is the sectional structure schematic representation of a kind of typical mechanical pressure bar type water-collecting machine in the existing technology;
Fig. 2 is the front sectional structure schematic representation of the present invention's water-collecting machine that a kind of embodiment provides;
Fig. 3 is the side sectional structure schematic views of Fig. 2;
Fig. 4 is that the sectional structure schematic representation is amplified in the part of A part among Fig. 2;
Fig. 5 is that the sectional structure schematic representation is amplified in the part in C-C cross section among Fig. 2.
Embodiment
Core of the present invention provides a kind of water-collecting machine, and this water-collecting machine can reduce the outside to be provided the required power of water-collecting machine switch, reduce service wear raising water-collecting machine working life and reduce the requirement of parts to processing technology and assembly precision.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with accompanying drawing and embodiment.
Please refer to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, Fig. 2 is the front sectional structure schematic representation of the present invention's water-collecting machine that a kind of embodiment provides; Fig. 3 is the side sectional structure schematic views of Fig. 2; Fig. 4 is that the sectional structure schematic representation is amplified in the part of A part among Fig. 2; Fig. 5 is that the sectional structure schematic representation is amplified in the part in C-C cross section among Fig. 2.
In embodiment, water-collecting machine provided by the present invention comprises water-collecting machine body 21, and water-collecting machine body 21 tops are equipped with water-collecting machine lid 22, are provided with the 4th Sealing 221 between the two, and in water-collecting machine body 21 mounted inside the water-collecting machine spool are arranged.
Said water-collecting machine spool comprises piston 25, the upper end portion of piston 25 can with water-collecting machine cover 22 match and diameter bigger, form cavity between piston 25 upper end portions and the water-collecting machine lid 22, can hold press water in this cavity.In order to reach the effect of the said cavity of sealing better, second Sealing, 246, the second Sealings 246 are set between piston 25 tops and water-collecting machine body 21 can be specially the waterpower piston ring; Should be appreciated that this second Sealing 246 is not limited to the waterpower piston ring shown in the figure, all can as long as satisfy the use needs of the above-mentioned cavity of sealing.Matching with the water intake that is positioned at water-collecting machine body 21 bottoms in the underpart of piston 25, and has the major diameter shape similar with its upper end portion, selectively opens the perhaps purpose of closure set water heater inlet mouth thereby reach.Shown in the figure, piston 25 integral body are the dumbbell shaped profile of stage casing reducing, and this shape can make that the contact width of current diminishes in piston 25 and the pipeline, helps reducing the influence of 25 pairs of flow rate of water flow of piston, thereby improves the whole work efficiency of water-collecting machine.
In addition; Has the water inlet 244 that it is vertically connected on the piston 25; Water inlet 244 can reach the purpose of the water in the pipeline being injected said cavity by said water intake with being communicated with the said water intake that is positioned at water-collecting machine body 21 bottoms with the said cavity that water-collecting machine covers between 22 in piston 25 upper end portions; Piston 25 has the relief hole 245 that extends longitudinally to the center from its upper end portion; Relief hole 245 can be communicated with said cavity with water-collecting machine body 21; Thereby can the water that be stored in the said cavity be entered water-collecting machine body 21, reach the purpose of earial drainage step-down thus; Water inlet 244 does not have particular restriction with the quantity of relief hole 245, all can be specially several, and further, for improving the working stability in the piston 25 displacement processes, water inlet 244 all circumferentially is uniformly distributed with along piston 25 with relief hole 245 and is optimal selection.
Obviously, above-mentioned " vertically " bearing of trend of being meant water inlet 244 and relief hole 245 is consistent with the bearing of trend of the axle of piston 25; " vertically connect " is vertically to connect substantially; Consider the error effect in the production operation; So long as the bearing of trend of the axle of the bearing of trend of water inlet 244 and relief hole 245 and piston 25 is unanimous on the whole; All should drop on the application and ask for protection within the scope, the implication of other parts of this paper said " vertically ", " vertically connecting " is identical therewith.
Obviously, above-mentioned " from top to bottom " is meant that the axle of push rod 24 is consistent with the bearing of trend of the axle of piston 25, and diaxon is all vertical with horizontal plane; And here " running through from top to bottom " for generally along axially running through, same, consider the error effect in the production operation, so long as push rod 24 generally along piston 25 axially run through piston 25, all should drop within protection scope of the present invention.Hereinafter described " from top to bottom ", " running through from top to bottom " are identical therewith.
The top of first Sealing 243 is provided with inner magnetic substance parts 23, and the externally axially movable magnetic force effect of inner magnetic substance parts 23 drives down push rod 24 axial displacements, thereby driving source is provided for the operation of partly working of water-collecting machine spool.
Inner magnetic substance parts 23 are specifically by two superimposed being assembled of the contacted magnet of same polarity end face; Be equipped with copper sheathing 231 between the upper case body of water-collecting machine body 21 and the inner magnetic substance parts 23; Thereby the relative position of fixing above-mentioned two magnet; Make it not produce lateral displacement,, guarantee inner magnetic substance parts 23 and extraneous magnetic conduction simultaneously to guarantee the proper functioning of water-collecting machine; Obviously, the required parts here are not limited to copper sheathing 231, all can with the use needs of extraneous magnetic conduction as long as satisfy the position of fixing internal magnetic substance parts 23 and do not influence inner magnetic substance parts 23.Be equipped with waterproof grommet 241 between inner magnetic substance parts 23 lower end surfaces and push rod 24 upper-end surfaces; Waterproof grommet 241 matches with copper sheathing 231 inner chambers; Prevent that current from passing through spool and getting into inner magnetic substance parts 23, thereby guarantee the normal operation of inner magnetic substance parts 23.The external side suit of the upper case of water-collecting machine body 21 is provided with outside magnetic substance parts 232, and the axial displacement of outside magnetic substance parts 232 has formed the outside axially movable magnetic force that acts on inner magnetic substance parts 23.
As previously mentioned; Water-collecting machine provided by the present invention does not need external mechanical influence power to provide spool work operation required active force; Therefore the upper case body of water-collecting machine body 21 can be enclosed construction, and promptly spool need not provide the part that is piercing in water-collecting machine body 21 tops to transmit the mechanical force that the outside provides; Further, the top of water-collecting machine body 21 can be integral structure, thereby has better sealing, reduces inner body and contacts with extraneous, has prolonged the whole service life of water-collecting machine indirectly.
When water-collecting machine provided by the present invention is normally closed; Inner magnetic substance parts 23 receive magnetic force effect and the operation downwards that outside magnetic substance parts 232 axial displacements produce; Thereby drive the whole operation downwards of water-collecting machine spool; When the spool end seal ring 251 that is positioned at the piston lower end contacts with water-collecting machine body 21 bottoms; Second Sealing 246, piston 25 and end-face seal ring 251 all no longer move down, and copper sheathing 231, inner magnetic substance parts 23, waterproof grommet 241, push rod 24, first Sealing 243 and the 3rd Sealing 247 continue operation slight distance downwards.This moment, pressure spring 242 was compressed; And first Sealing 243 will be positioned at the relief hole 245 upper-end surfaces sealing on the piston 25; Prevent that current are excessive along relief hole, 247 of the 3rd Sealings no longer sealing are positioned at the water intake of piston 25 lower ends, thereby ducted current are got into by in the upper end portion of water-collecting machine lid 22, piston 25 and the cavity that second Sealing 246 is formed through piston 25 inner water inlets 244; This moment, water-collecting machine spool two ends received the pressure effect of water simultaneously; Thereby reach the hydraulic equilibrium of spool device, so, outside need provide the power that makes end face seal that water-collecting machine is closed.
When water-collecting machine provided by the present invention is normally opened; Inner magnetic substance parts 23 receive magnetic force effect and the upwards operation that outside magnetic substance parts 232 axial displacements produce, and copper sheathing 231, inner magnetic substance parts 23, waterproof grommet 241, push rod 24, first Sealing 243 and the 3rd Sealing 247 can be prior to end-face seal ring 251, piston 25 and the second upwards operations of Sealing 246, at this moment; First Sealing 243 separates with relief hole 245 upper-end surfaces; Water in the chamber of being made up of water-collecting machine lid 22, piston 25 upper end portions and second Sealing 246 is flow in the pipeline of water-collecting machine body 21 outward through relief hole 245, thereby play the effect of pressure release, at this moment; The 3rd Sealing 247 can be blocked the water intake that is positioned at piston 25 lower ends; Current in the prevention pipeline get in the chamber of being made up of water-collecting machine lid 22, piston 25 upper end portions and second Sealing 246 through water inlet 244, and the pressure of water only acts on the lower end surface of spool at this moment, helps opening of spool; Like this; Make full use of the pressure of system water,, reduced the effect of external force for each component to reduce the active force that the outside need provide; Improve the fatigue life of component, prolonged the working life of component.
There is above-mentioned working procedure to know; The required active force of water-collecting machine spool operation that provides among the present invention is to realize through the magnetic field force induced effect of magnetic substance parts in the spool; Do not need directly to contact, do not have valve rod and the impaired problem of stuffing box packing friction in the existing technology, solved the Mechanical Contact sealing simultaneously component processing, the demanding problem of assembly technology with external devices; Prolong the working life of water-collecting machine, increased the operational safety of water-collecting machine.
More than water-collecting machine provided by the present invention has been carried out detailed introduction.Used concrete example among this paper principle of the present invention and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. a water-collecting machine comprises the water-collecting machine body, is positioned at the water-collecting machine lid at said water-collecting machine body top and places the inner water-collecting machine spool of said water-collecting machine body; It is characterized in that: said spool comprises piston and push rod; Wherein, but have the cavity of water filling between said piston and the said water-collecting machine lid; Matching with the water intake of said water-collecting machine body in the underpart of said piston, selectively opens or close water intake; Said piston is provided with and is communicated with said cavity and the relief hole of said water-collecting machine body and the water inlet that is communicated with said cavity and said water intake; Said push rod runs through said piston from top to bottom, and its underpart cooperates with the water inlet of said piston, selectively opens or close said water inlet; Said push rod is provided with first Sealing that cooperates with said relief hole, and its top is provided with inner magnetic substance parts; Outside axially movable magnetic force acts on said inner magnetic substance parts, to drive said push rod axial displacement.
2. water-collecting machine according to claim 1 is characterized in that said push rod stretches out in said piston, and its underpart has the seam that matches with the lower end surface of said water inlet; On the top of said piston and exterior edge face that said first Sealing cooperates, the upper-end surface of said water inlet is lower than the upper-end surface of said relief hole; And the distance between the lower end surface of said first Sealing and the seam of said push rod is greater than the distance between the lower end surface of the upper-end surface of said relief hole and said piston.
3. water-collecting machine according to claim 2 is characterized in that said water inlet is formed between said push rod and the piston.
4. water-collecting machine according to claim 2 is characterized in that, is provided with the 3rd Sealing between the seam of said push rod and the lower end surface of said water inlet.
5. water-collecting machine according to claim 1 is characterized in that, is provided with pressure spring between the said push rod of the top of said piston and said piston top; Said first Sealing is specially lip ring, and suit is fixed on the inboard said push rod of said pressure spring.
6. water-collecting machine according to claim 1 is characterized in that, the quantity of said relief hole and the quantity of said water inlet are several, and the said piston of said some relief holes and said edge, some water inlets circumferentially is uniformly distributed with.
7. according to each described water-collecting machine in the claim 1 to 6; It is characterized in that; Said inner magnetic substance parts specifically are formed by stacking by two blocks of contacted magnet of same polarity end face; And the outside of said inner magnetic substance parts is arranged with outside magnetic substance parts, and the axial displacement of said outside magnetic substance parts is formed for the outside axially movable magnetic force of said inner magnetic substance parts.
8. water-collecting machine according to claim 7 is characterized in that, is provided with second Sealing between the top of said piston and the said water-collecting machine body.
9. water-collecting machine according to claim 8 is characterized in that, said second Sealing is specially the waterpower piston ring.
10. water-collecting machine according to claim 7 is characterized in that, said water-collecting machine body upper case body is an enclosed construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102862090A CN101968127B (en) | 2010-09-17 | 2010-09-17 | Water collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102862090A CN101968127B (en) | 2010-09-17 | 2010-09-17 | Water collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101968127A CN101968127A (en) | 2011-02-09 |
| CN101968127B true CN101968127B (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102862090A Expired - Fee Related CN101968127B (en) | 2010-09-17 | 2010-09-17 | Water collector |
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| Country | Link |
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| CN (1) | CN101968127B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420556A (en) * | 2017-08-30 | 2017-12-01 | 简阳市中原低温设备配套有限公司 | A kind of electromagnetic type quick action emergency valve |
| CN110559585A (en) * | 2019-07-22 | 2019-12-13 | 浙江华消科技有限公司 | Water collector and fire-fighting robot thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2920481B2 (en) * | 1995-09-20 | 1999-07-19 | キミツ機工株式会社 | Water level adjustment valve |
| CN2384046Y (en) * | 1999-07-16 | 2000-06-21 | 李汉宝 | Flow controllable piston guide type electromagnetic valve |
| US6155284A (en) * | 1999-03-17 | 2000-12-05 | Scantlin; Gary | Buckling pin latch actuated safety relief valve |
| CN101278025A (en) * | 2005-09-29 | 2008-10-01 | 陶氏康宁公司 | Method of releasing high temperature films and/or devices from metallic substrates |
| CN201310638Y (en) * | 2008-12-17 | 2009-09-16 | 宁波华成阀门有限公司 | Pilot-operated magnetic valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8196892B2 (en) * | 2008-12-17 | 2012-06-12 | Dresser, Inc. | Fluid control valve |
-
2010
- 2010-09-17 CN CN2010102862090A patent/CN101968127B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2920481B2 (en) * | 1995-09-20 | 1999-07-19 | キミツ機工株式会社 | Water level adjustment valve |
| US6155284A (en) * | 1999-03-17 | 2000-12-05 | Scantlin; Gary | Buckling pin latch actuated safety relief valve |
| CN2384046Y (en) * | 1999-07-16 | 2000-06-21 | 李汉宝 | Flow controllable piston guide type electromagnetic valve |
| CN101278025A (en) * | 2005-09-29 | 2008-10-01 | 陶氏康宁公司 | Method of releasing high temperature films and/or devices from metallic substrates |
| CN201310638Y (en) * | 2008-12-17 | 2009-09-16 | 宁波华成阀门有限公司 | Pilot-operated magnetic valve |
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| CN101968127A (en) | 2011-02-09 |
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Address after: 102206, Beijing Huilongguan International Information Industry Base Development Road No. 1, 9, 1, room 109, Patentee after: HAILIN ENERGY TECHNOLOGY Inc. Address before: 102206 No. 1, Shahe Industrial Park, Beijing, Changping District Patentee before: HaiLin Energy Technology Inc. |
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Address after: 102206 Room 109, 1st Floor, Building 9, Huilongguan International Information Industry Base Development Road, Changping District, Beijing Patentee after: Beijing Hailin Automatic Control Technology Co.,Ltd. Address before: 102206 Room 109, 1st Floor, Building 9, Huilongguan International Information Industry Base Development Road, Changping District, Beijing Patentee before: HAILIN ENERGY TECHNOLOGY Inc. |
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Granted publication date: 20120530 Termination date: 20210917 |
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