CN106026500A - Water cooling motor shell - Google Patents
Water cooling motor shell Download PDFInfo
- Publication number
- CN106026500A CN106026500A CN201610598894.8A CN201610598894A CN106026500A CN 106026500 A CN106026500 A CN 106026500A CN 201610598894 A CN201610598894 A CN 201610598894A CN 106026500 A CN106026500 A CN 106026500A
- Authority
- CN
- China
- Prior art keywords
- water pipe
- cover body
- outer cover
- water
- rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a water cooling motor shell. A rubber water pipe is arranged outside the shell body. The rubber water pipe winds the shell body along an axial direction so that a spiral structure is formed, and the rubber water pipe is divided into multiple annular segments connected in an end-to-end way by the shell body. The ratio of the internal diameter of the rubber water pipe to the internal diameter of the shell body is n, and 0.1<=n<=0.2. One water pipe winds outside the shell so that the radial cooling effect can be greatly improved through organic cooperation of the material of the water pipe, the winding mode of the water pipe and the ratio of the internal diameter of the water pipe to the shell, and the radial cooling effect is also improved by controlling the flow direction of cooling water in the water pipe; besides, the overall cooling effect of the shell is greatly improved by additional arrangement of one water pipe so that less components are additionally arranged and the structure is simple with no requirement for any reconstruction of the shell, and thus cost is low and implementation is easy.
Description
Technical field
The invention belongs to machine field, particularly relate toA kind of Water cooling shell of electric machine。
Background technology
Motor is that one uses power set widely, and it is typically made up of the part such as shell, stator and rotor, circumferentially arranged with one group of groove that axially dispels the heat on the outer wall of its housing, this outer casing bottom be respectively arranged at two ends with an erection support.Being installed with stator on the inwall of shell, this stator is rotatably assorted with rotor, and the via that the output shaft on rotor is from shell one end passes, and the other end of this shell is equipped with heat radiation end cap, and this heat radiation end cap is for protecting the cooling fan in motor.During use, motor can generate heat, and not only can affect transmission efficiency, precision if the most effectively carrying out dispelling the heat, but also can affect the service life of motor.Although cooling fan can have certain heat sinking function, but radiating effect is not satisfactory.
In order to improve radiating effect, add again auxiliary-radiating structure and method.The cooling mode of motor is mainly by following several at present: natural cooling, forced air cooling, self-ventilation and water-cooled, compared with other types of cooling, under equal-wattage grade, the motor of water-cooling pattern cooling is used to have volume little, lightweight advantage, the utilization rate of material is higher.nullChinese patent discloses multiple water cooled machine，Such as Chinese patent ZL2012105457033 discloses a kind of water-cooled machine，It is additionally provided with outer housing outside described casing，Described outer housing is provided with water inlet and outlet，It is additionally provided with thread on the inwall of described outer housing，The footpath, the end of described thread is in close contact with the outer wall of described casing，Described water inlet、Gap and outlet between two adjacent threads form water stream channel，Thread on described outer housing inwall is double end thread，Water inlet on described outer housing is connected with one end of outlet two water stream channels odontogenetic with described double end spiral shell respectively，The other end of said two water stream channel is connected by the step in casing，Water proof circle is installed on described water inlet，Described water proof circle is arc-shaped，Position corresponding with described water inlet on described outer housing is provided with a spline step，The shape of described spline step and the mating shapes of described water proof circle.
nullAnd for example Chinese patent ZL201010040014.8 discloses a kind of water-cooled machine and motor cooling means，Its outer surface in the middle part of support has multiple accessory plate axially arranged along motor，Multiple groove axial along motor is formed between adjacent accessory plate，The plurality of groove is equipped with dismountable cooling tube，Coolant can flow in cooling tube，Described accessory plate is provided around the many siphunculus of water inlet of support outer surface along the outside of the axial one end of motor，The many siphunculus of described water inlet are provided with at least one water inlet，Accessory plate is provided around the many siphunculus of draining of support outer surface along the outside of the axial other end of motor，The many siphunculus of described draining are provided with at least one discharge outlet，The two ends of described cooling tube connect with the many siphunculus of water inlet and the many siphunculus of draining respectively，The inside of described accessory plate is hollow-core construction，And formed between electric machine stator iron along the axial ventilation slot of motor.
In use, it has been found that although existing water-cooled machine cooling effect increases than the mode individually with radiator fan, but cooling effect is not ideal；What is more important, existing auxiliary heat dissipation mode not only needs to increase the manufactured parts of more than at least 4, structure is the most complicated, and generally require the internal structure changing motor, thus it is added significantly to production difficulty and manufacturing cost, and take away heat when motor works to lead to supercooled water, the waterway of Cooling Water to be formed flowing between these parts and shells of increasing, thus the accuracy of manufacture of shell and the waterproof sealing problem of waterway are proposed the highest required precision, once occur leaking it is possible to can drain in motor housing, contact with the energized components of enclosure, thus cause getting an electric shock, and then cause serious security incident.
Summary of the invention
The technical problem to be solved is the Water cooling shell of electric machine providing a kind of good heat dissipation effect, simple in construction and safety high.
Technical scheme is as follows:A kind of Water cooling shell of electric machineIncluding outer cover body (1), the inwall of this outer cover body is provided with stator and installs groove, be evenly distributed the groove that axially dispels the heat (1a) on the outer wall of outer cover body (1), outer cover body (1) bottom be respectively arranged at two ends with an erection support (1b)；One end of described outer cover body (1) has the via passed for output shaft, the other end of this outer cover body is equipped with heat radiation end cap (1c), it is characterized in that: in described outer cover body (1) outside, one root rubber water pipe (2) is set, this rubber water pipe is wrapped on the outer cover body (1) between two described erection supports (1b) vertically, thus form a helical structure, and rubber water pipe (2) is divided into the ring segment (2a) that several endings are connected by outer cover body (1)；Adjacent two described ring segments (2a) are closely packed together, and each ring segment place plane is vertical with the axial line of outer cover body (1), and the whole periphery of ring segment (2a) is in close contact with corresponding described axial heat radiation groove (1a) notch；The wall thickness of described rubber water pipe (2) is 1-2mm, and the internal diameter of this rubber water pipe is n with the ratio of the internal diameter of outer cover body (1), and 0.1≤n≤0.2；
One end of described rubber water pipe (2) is water inlet end, and the other end of this rubber water pipe is water side, and this water side is positioned at same one end with described heat radiation end cap (1c)；During use, the water inlet end of described rubber water pipe (2) all connects with same tank (3) with water side, and is provided with in tank (3) for the water pump (4) of rubber water pipe (2) internal pump water.
In technique scheme, in described outer cover body (1) outside, one root rubber water pipe (2) is set, this rubber water pipe is wrapped on the outer cover body (1) between two erection supports (1b) vertically, thus form a helical structure, and rubber water pipe (2) is divided into the ring segment (2a) that several endings are connected by outer cover body (1), adjacent two described ring segments (2a) are closely packed together, thus can significantly increasing heat radiation area, and heat dissipation region is looped around whole outer cover body (1) outside, heat dissipation region is big and uniform.This case use rubber water pipe (2) accommodate cooling water, one is for the ease of drawing materials, two is the heat transfer efficiency height of rubber water pipe (2), and rubber ratio metal material mass-energy transfers heat to cool down in water more in time, thus logical supercooled water takes away heat in time.
Simultaneously, each ring segment place plane is vertical with the axial line of outer cover body (1), the whole periphery of ring segment (2a) is in close contact with corresponding described axial heat radiation groove (1a) notch, thus can ensure that the heat dispelling the heat out from the groove that axially dispels the heat (1a) can pass through ring segment (2a) in time and carry out heat exchange in structure, thus be taken away in time by the cooling water in rubber water pipe (2)；And, the wall thickness of rubber water pipe (2) is 1-2mm, the most both can guarantee that robber cement pipe (2) had enough intensity, prevent because bending after because of insufficient strength breach, thus avoid leaking, and then stop to cause the security incident got an electric shock, can guarantee that again heat in time, effectively wall thickness through rubber water pipe (2) enter in rubber water pipe (2).It addition, thisInventionCurrent cooling duct in rubber water pipe (2), be not related with shell, even if leaking, water is not easy to enter motor internal from motor housing, the most also can fundamentally avoid causing because leaking getting an electric shock.
Further, the internal diameter of rubber water pipe (2) is n with the ratio of the internal diameter of outer cover body (1), and 0.1≤n≤0.2.Owing to the dimensions of motor is the biggest, the heat produced during its work is the biggest, and the internal diameter of outer cover of motor is the biggest, and the internal diameter of rubber water pipe (2) also requires that corresponding increase in this case.In the present case, the internal diameter of rubber water pipe (2) is n with the ratio of the internal diameter of outer cover body (1), the meaning of this ratio is that heat during motor work is the biggest, the most proportional increase of internal diameter of rubber water pipe (2), thus can preferably mate the shell of different size specification.Simultaneously, in this case, the parameter area of n is the most suitable, if n is too small, although rubber water pipe (2) can be increased be wrapped in the area of dissipation summation that outer cover body (1) outside is formed, but the internal diameter that can cause rubber water pipe (2) is less, cooling water flow velocity in rubber water pipe (2) is the highest, thus can affect radiating effect；If otherwise n is excessive, although the internal diameter of rubber water pipe (2) can be increased, corresponding raising cools down water flow velocity in rubber water pipe (2), but rubber water pipe (2) can be reduced and be wrapped in the area of dissipation summation that outer cover body (1) outside is formed, the most also can reduce radiating effect.Therefore, the internal diameter of rubber water pipe (2) is a critically important technical parameter with the ratio of outer cover body (1) internal diameter, 0.1≤n≤0.2 parameter area in this case is moderate, it has taken into account water velocity and area of dissipation summation well, because water velocity and area of dissipation summation all can affect radiating effect, thus comprehensively improve shell radiating effect in the radial direction.Additionally, one end of rubber water pipe (2) is water inlet end, the other end of this rubber water pipe is water side, and this water side is positioned at same one end with described heat radiation end cap (1c), thus make cooling water consistent with the heat flow direction that heat radiation end cap (1c) inner side is produced by radiator fan along the flow direction that outer cover body (1) is axial, well the Axial Thermal stream in motor can be dispelled the heat the most again, the heat radiation in the radial direction of heat radiation on this is axial and shell organically combines, so that this case forms close ties, coordinate and indivisible entirety, and then improve the radiating effect of motor housing well.
In sum, the present invention is wound around a water pipe in enclosure, and coordinate by the material of water pipe, the canoe of water pipe and water pipe are organic with the ratio of the internal diameter of shell, form an indivisible organic whole, thus improve radiating effect in the radial direction well, and improve the radiating effect of axial direction by controlling the flow direction of water pipe inner cooling water simultaneously, and radial and axial on heat radiation combine and effectively improve the integral heat sink effect of shell；And cool down the cooling duct of water only in water pipe, and do not contact with shell, thus be inherently eliminated the potential safety hazard causing electric shock because leaking；And, the present invention improves the integral heat sink effect of shell the most effectively, dexterously by increasing a water pipe, increase that parts are few and simple in construction, also without shell being done any transformation, with low cost, implementing easily, parts are many, structure is complicated, it is big to change existing structure, manufacture difficulty is big, cost is high and there is the defect of electric shock probability, has good practicality the most very effectively to overcome prior art increase.
Optimization as the present invention designs, and the internal diameter of described rubber water pipe (2) is 0.15 with the ratio of the internal diameter of outer cover body (1).
Use above structure to design, this parameter designing can preferably take into account and balance between relation between water velocity and area of dissipation summation, thus further improve shell radiating effect in the radial direction.
As decision design, the wall thickness of described rubber water pipe (2) is 1.5mm.Use above-mentioned parameter so that rubber water pipe (2) has enough structural strengths and good heat conductivility concurrently, it is thus possible to dispel the heat more rapidly, and then improves the performance of the present invention.
Beneficial effect: the present invention is wound around a water pipe in enclosure, and coordinate by the material of water pipe, the canoe of water pipe and water pipe are organic with the ratio of the internal diameter of shell, form an indivisible organic whole, thus improve radiating effect in the radial direction well, and improve the radiating effect of axial direction by controlling the flow direction of water pipe inner cooling water simultaneously, and radial and axial on heat radiation combine and effectively improve the integral heat sink effect of shell；And cool down the cooling duct of water only in water pipe, and do not contact with shell, thus be inherently eliminated the potential safety hazard causing electric shock because leaking；And, the present invention improves the integral heat sink effect of shell the most effectively, dexterously by increasing a water pipe, increase that parts are few and simple in construction, also without shell being done any transformation, with low cost, implement easily, parts are many, structure is complicated, it is big to change existing structure, manufacture difficulty is big, cost is high and there is the defect of electric shock probability the most very effectively to overcome prior art increase, there is good practicality, cannot be only used for the improvement of brand-new motor, and can be used for the transformation after Motor Production Test.
Accompanying drawing explanation
Figure 1Structural representation for the present inventionFigure。
Figure 2ForFigure 1Cross-sectional cut-awayFigure。
Detailed description of the invention
Below in conjunction withAccompanying drawingThe invention will be further described with embodiment:
Such as figure 1 、 2Shown in,A kind of Water cooling shell of electric machine, including outer cover body 1, this outer cover body 1 is aluminium casting.The inwall of outer cover body 1 is provided with stator and installs groove, and the outer wall of outer cover body 1 has been evenly distributed axially heat radiation groove 1a, is respectively arranged at two ends with an erection support 1b bottom outer cover body 1, has the installing hole run through up and down bottom erection support 1b.One end of outer cover body 1 has the via passed for output shaft, at the other end of outer cover body 1 equipped with heat radiation end cap 1c, this heat radiation end cap 1c for covering the radiator fan in outer cover body 1, and has louvre on heat radiation end cap 1c.During motor work, the mainly axially heat radiation groove 1a at radiator fan and on outer cover body 1 of the heat in motor housing drains, i.e. axially heat radiation and radially heat radiation is main heat dissipation path, therefore the two heat dissipation path has just become the direction improved.
Improvements as this case, one root rubber water pipe 2 is set outside outer cover body 1, this rubber water pipe 2 is wrapped on the outer cover body 1 between two erection support 1b vertically, thus form a helical structure, the axial line of the axial line of this helical structure and outer cover body 1 is on same straight line, and rubber water pipe 2 is divided into the ring segment 2a that one group of ending is connected by outer cover body 1.Certainly, water pipe 2 can also change fire-fighting water bag into.
Such as figure 1 、 2Shown in, adjacent two ring segment 2a are closely packed together, and each ring segment place plane is vertical with the axial line of outer cover body 1, asAccompanying drawing 2In two vertical and intersectant centerlines shown in.Further, the whole periphery of ring segment 2a is in close contact with corresponding axially heat radiation groove 1a notch.The wall thickness of rubber water pipe 2 is 1-2mm, and can more preferably 1.2,1.4,1.5 and 1.8mm.The internal diameter of rubber water pipe is n with the ratio of the internal diameter of outer cover body 1, and 0.1≤n≤0.2, and can more preferably 0.1≤n≤0.14 and 0.15≤n≤0.19.In the present embodiment, the internal diameter of rubber water pipe can also be 0.13,0.15 and 0.18 with the ratio of the internal diameter of outer cover body 1.
One end of rubber water pipe 2 is water inlet end, and the other end of this rubber water pipe 2 is water side, and the water side of this rubber water pipe 2 is positioned at same one end with heat radiation end cap 1c.In actual manufacture process, it is possible to so that the water inlet end of robber cement pipe 2 is positioned at same one end with heat radiation end cap 1c.During use, the water inlet end of rubber water pipe 2 all connects with same tank 3 with water side.Being provided with for the water pump 4 to rubber water pipe 2 internal pump water in tank 3, this water pump 4 is to the water inlet end pump water of rubber water pipe 2, and the water inlet end connected mode of water pump 4 and rubber water pipe 2 is prior art, does not repeats at this.In order to improve radiating effect, tank 3 is additionally provided with the cooling system of outsourcing, and this cooling system is used for cooling water temperature, and the kind of cooling system is varied, such as fan or refrigeration machine.
The foregoing is only presently preferred embodiments of the present invention, not with the present invention for limiting, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (3)
1. a Water cooling shell of electric machine, including outer cover body (1), the inwall of this outer cover body is provided with fixed
Son installs groove, and the outer wall of outer cover body (1) has been evenly distributed the groove that axially dispels the heat (1a), shell
Body (1) bottom be respectively arranged at two ends with an erection support (1b)；One end of described outer cover body (1)
Having the via passed for output shaft, the other end of this outer cover body is equipped with heat radiation end cap (1c), its feature
It is: arranging a root rubber water pipe (2) in described outer cover body (1) outside, this rubber water pipe is vertically
It is wrapped on the outer cover body (1) between two described erection supports (1b), thus forms a spiral type
Structure, and outer cover body (1) rubber water pipe (2) is divided into several ending be connected ring segment (2a)；
Adjacent two described ring segments (2a) are closely packed together, and each ring segment place plane and outer cover body (1)
Axial line vertical, and the whole periphery of ring segment (2a) and corresponding described axial heat radiation groove (1a)
Notch is in close contact；The wall thickness of described rubber water pipe (2) is 1-2mm, the internal diameter of this rubber water pipe with
The ratio of the internal diameter of outer cover body (1) is n, and 0.1≤n≤0.2；
One end of described rubber water pipe (2) is water inlet end, and the other end of this rubber water pipe is water side, and
This water side and described heat radiation end cap (1c) are positioned at same one end；During use, described rubber water pipe (2)
Water inlet end all connects with same tank (3) with water side, and is provided with for rubber in tank (3)
The water pump (4) of water pipe (2) internal pump water.
Water cooling shell of electric machine the most according to claim 1, it is characterised in that: described rubber water pipe (2)
The ratio of internal diameter of internal diameter and outer cover body (1) be 0.15.
Water cooling shell of electric machine the most according to claim 1, it is characterised in that: described rubber water pipe
(2) wall thickness is 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610598894.8A CN106026500A (en) | 2016-07-27 | 2016-07-27 | Water cooling motor shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610598894.8A CN106026500A (en) | 2016-07-27 | 2016-07-27 | Water cooling motor shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106026500A true CN106026500A (en) | 2016-10-12 |
Family
ID=57115286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610598894.8A Pending CN106026500A (en) | 2016-07-27 | 2016-07-27 | Water cooling motor shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106026500A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394949A (en) * | 2017-08-22 | 2017-11-24 | 安徽杰特电气有限公司 | New-type electric machine shell |
| CN107565741A (en) * | 2017-08-22 | 2018-01-09 | 安徽杰特电气有限公司 | Spiral coolant flow channel motor housing |
| CN107994721A (en) * | 2017-08-22 | 2018-05-04 | 安徽杰特电气有限公司 | Efficient shock-absorbing motor shell |
| CN111313614A (en) * | 2020-03-25 | 2020-06-19 | 宁波依诺汽车电子有限公司 | Outer circulative cooling new energy automobile PMSM |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120001503A1 (en) * | 2010-07-01 | 2012-01-05 | Rong-Jong Owng | Electric motor having heat pipes |
| CN104218724A (en) * | 2013-05-29 | 2014-12-17 | 安徽省宏瑞泰达机械科技有限公司 | Electric motor housing with cooling pipeline |
| CN205336037U (en) * | 2015-12-19 | 2016-06-22 | 孙旭亚 | Motor with heat radiation structure |
-
2016
- 2016-07-27 CN CN201610598894.8A patent/CN106026500A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120001503A1 (en) * | 2010-07-01 | 2012-01-05 | Rong-Jong Owng | Electric motor having heat pipes |
| CN104218724A (en) * | 2013-05-29 | 2014-12-17 | 安徽省宏瑞泰达机械科技有限公司 | Electric motor housing with cooling pipeline |
| CN205336037U (en) * | 2015-12-19 | 2016-06-22 | 孙旭亚 | Motor with heat radiation structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394949A (en) * | 2017-08-22 | 2017-11-24 | 安徽杰特电气有限公司 | New-type electric machine shell |
| CN107565741A (en) * | 2017-08-22 | 2018-01-09 | 安徽杰特电气有限公司 | Spiral coolant flow channel motor housing |
| CN107994721A (en) * | 2017-08-22 | 2018-05-04 | 安徽杰特电气有限公司 | Efficient shock-absorbing motor shell |
| CN111313614A (en) * | 2020-03-25 | 2020-06-19 | 宁波依诺汽车电子有限公司 | Outer circulative cooling new energy automobile PMSM |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106026500A (en) | Water cooling motor shell | |
| CN100541979C (en) | The motor of band water cooling system | |
| CN106230174A (en) | The water-cooling method of motor | |
| CN104578548B (en) | Cooling pipeline of water-cooling motor | |
| CN106026499A (en) | Water cooling motor | |
| CN107666202B (en) | Cooling device for new energy automobile motor | |
| CN101656445A (en) | System and method for cooling motors | |
| CN101123380A (en) | Steamship generator with rotor free cooling and stator evaporation cooling | |
| CN106059164A (en) | Energy saving and environment-friendly type motor housing | |
| CN101499702A (en) | Compact water-cooling three phase asynchronous motor | |
| CN102790473A (en) | Disc-type permanent magnet motor with sealed cooling structure | |
| CN106953467A (en) | Electromotor cooling system | |
| CN106972698A (en) | Electromotor cooling system | |
| CN105119416A (en) | Novel type efficient fluid-cooled electrical machine | |
| CN206004448U (en) | Water cooled machine | |
| CN111431344A (en) | Inorganic shell air-cooled permanent magnet motor | |
| CN206023491U (en) | Heat radiating type motor | |
| CN106230173A (en) | A kind of water-cooling method of motor | |
| CN109361286A (en) | Electric machine casing and motor | |
| CN205622419U (en) | Water cooled machine based on heat pipe cooling system | |
| CN206004442U (en) | Energy saving and environment friendly motor | |
| CN107147249A (en) | A kind of cooling structure of electric machine casing | |
| CN206004441U (en) | Energy saving and environment friendly motor housing | |
| CN103956883B (en) | A kind of wind driven generator rotation cooling system and comprise the wind-driven generator of this system | |
| CN113236572B (en) | High-temperature pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |