CN108255274A - A kind of compound server radiating case - Google Patents

A kind of compound server radiating case Download PDF

Info

Publication number
CN108255274A
CN108255274A CN201810239747.0A CN201810239747A CN108255274A CN 108255274 A CN108255274 A CN 108255274A CN 201810239747 A CN201810239747 A CN 201810239747A CN 108255274 A CN108255274 A CN 108255274A
Authority
CN
China
Prior art keywords
babinet
water
ventilation duct
radiating subassembly
plate
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.)
Withdrawn
Application number
CN201810239747.0A
Other languages
Chinese (zh)
Inventor
刘鹏亚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Interest Reading Mdt Infotech Ltd
Original Assignee
Henan Interest Reading Mdt Infotech Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Interest Reading Mdt Infotech Ltd filed Critical Henan Interest Reading Mdt Infotech Ltd
Priority to CN201810239747.0A priority Critical patent/CN108255274A/en
Publication of CN108255274A publication Critical patent/CN108255274A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/20Cooling means
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/18Packaging or power distribution
    • G06F1/183Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2200/00Indexing scheme relating to G06F1/04 - G06F1/32
    • G06F2200/20Indexing scheme relating to G06F1/20
    • G06F2200/201Cooling arrangements using cooling fluid
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2200/00Indexing scheme relating to G06F1/04 - G06F1/32
    • G06F2200/20Indexing scheme relating to G06F1/20
    • G06F2200/202Air convective hinge

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The problem of the invention discloses a kind of compound server radiating casees, belong to computer server technical field, are all by fan for solving most of heat dissipation of existing huge computer servers, cause heat dissipation effect single, and heat dissipation effect is undesirable.Including babinet, the first radiating subassembly, the second radiating subassembly and third radiating subassembly, the first radiating subassembly includes snorkel and the first exhaust fan, and snorkel includes the first ventilation duct and the second ventilation duct;Second radiating subassembly includes radiator and thermally conductive sheet;Third dissipates radiating subassembly and includes cooled plate, blending bin, the second exhaust fan, semiconductor chilling plate and atomizer, and cooled plate includes cooling-water duct, and one end of cooling-water duct is connected in the right wall of blending bin, and the other end is connected with water pump;It is connected in the left wall of blending bin by connecting tube with the second exhaust fan, is connected on the roof roof of blending bin by connecting tube with atomizer, the other end of atomizer is connected with water inlet pipe and semiconductor chilling plate.

Description

A kind of compound server radiating case
Technical field
The present invention relates to computer server technical fields, and in particular to a kind of compound server radiating case.
Background technology
Computer server refers to:One management resource and the computer software for providing service to the user, are generally divided into file clothes Business device (can make user access file in other computers), database server and apps server.Operation more than software Computer or for network host.In general, server externally provides service by network.I ntranet can be passed through Service is provided to Intranet, can also externally provide service by I nternet.
Most of heat dissipation of existing huge computer servers be all by fan, it is single so as to cause heat dissipation effect, And heat dissipation effect is undesirable.
Invention content
All it is by fan to solve most of heat dissipation of existing huge computer servers, is imitated so as to cause heat dissipation The problem of fruit is single, and heat dissipation effect is undesirable, the present invention provide a kind of compound server radiating case.
In order to solve the above technical problems, the present invention provides following technical scheme:
A kind of compound server radiating case, including babinet, the top of babinet is equipped with case lid, which is characterized in that further includes First radiating subassembly, the second radiating subassembly and third radiating subassembly, the first radiating subassembly include snorkel and the first exhaust fan, institute It states snorkel and includes the first ventilation duct and the second ventilation duct, what first ventilation duct tilted upward is arranged on case lid, described Second ventilation duct is arranged on the inside of babinet, first ventilation duct and the second ventilation through the roof of babinet along vertical direction Pipe connects;The lower section of second ventilation duct is equipped with deflector, and the deflector is inclined to be arranged on the side wall of babinet, water conservancy diversion The high-end of plate connects with the side wall of babinet, and first exhaust fan is arranged on the bottom of babinet;
Second radiating subassembly includes radiator and thermally conductive sheet, and the radiator is arranged on the roof of babinet, thermally conductive sheet One end is set on a heat sink, and the other end of thermally conductive sheet is arranged on through case lid outside case lid;
Third dissipates radiating subassembly and includes cooled plate, blending bin, the second exhaust fan, semiconductor chilling plate and atomizer, institute It states cooled plate and includes plate body, cooling-water duct is provided in the plate body, be equipped with and run through beside the cooling-water duct on plate body The ventilation hole of plate body setting, the both ends of the plate body are set through the side wall of babinet, and one end of the cooling-water duct is connected to In the right wall of blending bin, the other end of cooling-water duct is connected with water pump;It is taken out in the left wall of blending bin by connecting tube and second Wind turbine is connected, and is connected on the roof roof of blending bin by connecting tube with atomizer, the other end of atomizer be connected with into Water pipe, semiconductor chilling plate are arranged on the bottom of water inlet pipe.
The novel server radiator of the present invention at work, server is placed in the cooled plate in babinet, is serviced Three bulks of heat point that device work generates are absorbed, and the first bulk that server work generates heat is inhaled by the first radiating subassembly It receives, opens the first exhaust fan of the bottom of box, the first exhaust fan is taken out the air in babinet by the ventilation hole set on plate body Go out, such box house causes the air of heating in babinet to be taken out by the first exhaust fan because of the heat of server work generation Go out, in this process, the relatively cool air outside babinet enters box house by snorkel, is formed benign air-cooled Cycle strengthens the heat dissipation effect of server.
The second bulk that server work generates heat is absorbed by the second radiating subassembly, and the heat that server work generates passes It is delivered on radiator, is transmitted to outside case by heat-conducting plate, reduce the heat of box house, reduce internal temperature, favorably It works in server.Meanwhile the lower section of second ventilation duct is equipped with deflector, the deflector is inclined to be arranged on babinet On side wall, the high-end of deflector connects with the side wall of babinet, and the setting of deflector can prevent the cold air outside babinet from coming in The gap outflow being directly over afterwards between transverse slat, after setting deflector, the cold air come in by snorkel can be through deflector It is adequately flowed out after server from the gap between transverse slat after water conservancy diversion so that air cooling effect reaches best.Simultaneously as The setting of deflector can cause the wind come in outside babinet to be come into full contact with after deflector water conservancy diversion with radiator, into as early as possible Reduction radiator temperature.
The third bulk that server work generates heat is directly passed to plate body by heat transmission, and plate body is as server Carrier can directly absorb heat caused by server work, and water pump is opened at the water pump end of cooling-water duct, and water inlet pipe is from water Water is drawn into blending bin at source, and pass through semiconductor chilling plate to cool down to the water in water inlet pipe, passes through atomization Nozzle water is atomized after in blending bin, the second exhaust fan, which is kept watch, to be blown into blending bin, so as to be mixed to water and air It closes, mixed liquid enters progress cooling cycle in cooled plate by cooling water pipeline, is mixed by water and air, can be with Increase heat dissipation effect;The three-in-one that the present invention passes through wind-cooling heat dissipating, the heat dissipation that air-cooled and water cooling combines and radiator heat-dissipation The heat that comprehensive radiating mode generates when working computer server radiates, and is effectively accomplished heat dissipation purpose, protects The normal operation of computer server is protected.
Further, filter layer is equipped in first ventilation duct and the second ventilation duct, the filter layer includes strainer Layer and active carbon layer.It prevents miscellaneous, dust from entering the inside of babinet, influences server work.
Further, point water plate is additionally provided in the plate body, the point water plate is equipped with through-hole, and the point water plate can To play the role of a point water, through-hole makes water strengthen heat dissipation effect, and can play the work of Supporting plate full of entire cooling-water duct With.
Further, first ventilation duct and the flexible connection of the second ventilation duct, just position repair and dismounting.
The present invention has an advantageous effect in that compared with prior art:
1st, heat point three bulks that server work generates are absorbed, and server work generates the first bulk of heat by the One radiating subassembly absorbs, and opens the first exhaust fan of the bottom of box, the first exhaust fan is the air in babinet by being set on plate body The ventilation hole extraction put, such box house lead to the air of heating in babinet because of heat that server work generates by the One exhaust fan is extracted out, and in this process, the relatively cool air outside babinet enters box house by snorkel, is formed Benign air-cooled cycle strengthens the heat dissipation effect of server.
The second bulk that server work generates heat is absorbed by the second radiating subassembly, and the heat that server work generates passes It is delivered on radiator, is transmitted to outside case by heat-conducting plate, reduce the heat of box house, reduce internal temperature, favorably It works in server.
The third bulk that server work generates heat is directly passed to plate body by heat transmission, and plate body is as server Carrier can directly absorb heat caused by server work, and water pump is opened at the water pump end of cooling-water duct, and water inlet pipe is from water Water is drawn into blending bin at source, and pass through semiconductor chilling plate to cool down to the water in water inlet pipe, passes through atomization Nozzle water is atomized after in blending bin, the second exhaust fan, which is kept watch, to be blown into blending bin, so as to be mixed to water and air It closes, mixed liquid enters progress cooling cycle in cooled plate by cooling water pipeline, is mixed by water and air, can be with Increase heat dissipation effect;The three-in-one that the present invention passes through wind-cooling heat dissipating, the heat dissipation that air-cooled and water cooling combines and radiator heat-dissipation The heat that comprehensive radiating mode generates when working computer server radiates, and is effectively accomplished heat dissipation purpose, protects The normal operation of computer server is protected.Meanwhile mainly wind energy and tap water is utilized in the present invention so that of the invention It is at low cost, but the effect reached is highly practical, is suitble to promote.
2nd, the lower section of second ventilation duct is equipped with deflector, and the deflector is inclined to be arranged on the side wall of babinet, The high-end of deflector connects with the side wall of babinet, and the setting of deflector can prevent the cold air outside babinet from directly being passed through after coming in The outflow of the gap between transverse slat is crossed, after setting deflector, the cold air come in by snorkel can fill after deflector water conservancy diversion That divides flows out after server from the gap between transverse slat so that air cooling effect reaches best.Simultaneously as deflector Setting, can cause the wind come in outside babinet to be come into full contact with after deflector water conservancy diversion with radiator, be dissipated into reducing as soon as possible The temperature of hot device.
3rd, point water plate is additionally provided in the plate body, the point water plate is equipped with through-hole, and the point water plate can play Divide the effect of water, through-hole makes water strengthen heat dissipation effect, and can play the role of Supporting plate full of entire cooling-water duct.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structure diagram of the cooled plate of the present invention.
It is marked in figure:1- babinets, 2- filter mesh layers, 3- active carbon layers, the first ventilation ducts of 4-, the second ventilation ducts of 5-, 6- ventilations Pipe, 7- thermally conductive sheets, 8- case lids, 9- radiators, 10- deflectors, 11- water pumps, the first exhaust fans of 12-, 15- blending bins, 16- second Exhaust fan, 17- connecting tubes, 18- atomizers, 19- semiconductor chilling plates, 20- water inlet pipes, 21- cooled plates, 22- plate bodys, 23- Cooling-water duct, 24- point water plates, 25- through-holes, 26- ventilation holes.
Specific embodiment
With reference to embodiment, the invention will be further described, and described embodiment is only a present invention part Embodiment is not whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making Other embodiments used obtained under the premise of creative work, belong to protection scope of the present invention.
Embodiment:
As shown in Figs. 1-2, a kind of compound server radiating case, including babinet 1, the top of babinet 1 is equipped with case lid 8, It is characterized in that, further include the first radiating subassembly, the second radiating subassembly and third radiating subassembly, the first radiating subassembly includes snorkel 6 and first exhaust fan 12, the snorkel 6 include the first ventilation duct 4 and the second ventilation duct 5, first ventilation duct 4 is tilted towards On be arranged on case lid 8, second ventilation duct 5 is arranged on the interior of babinet 1 through the roof of babinet 1 along vertical direction Portion, first ventilation duct 4 are connected with the second ventilation duct 5;First ventilation duct 4 of the present embodiment and 5 activity of the second ventilation duct are even It connects, just position repair and dismounting.Filter layer is equipped in first ventilation duct, 4 and second ventilation duct 5, the filter layer includes filter Stratum reticulare 2 and active carbon layer 3.It prevents miscellaneous, dust from entering the inside of babinet 1, influences server work.Second ventilation duct 5 Lower section be equipped with deflector 10, the deflector 10 is inclined to be arranged on the side wall of babinet 1, the high-end and babinet of deflector 10 1 side wall connects, and first exhaust fan 12 is arranged on the bottom of babinet 1;
Second radiating subassembly includes radiator 9 and thermally conductive sheet 7, and the radiator 9 is arranged on the roof of babinet 1, heat conduction One end of piece 7 is arranged on radiator 9, and the other end of thermally conductive sheet 7 is arranged on through case lid 8 outside case lid 8;
Third dissipates radiating subassembly and includes cooled plate 21, blending bin 15, the second exhaust fan 16, semiconductor chilling plate 19 and mist Change nozzle 18, the cooled plate 21 includes plate body 22, cooling-water duct 23, the plate body 22 are provided in the plate body 22 Point water plate 24 is inside additionally provided with, the point water plate 24 is equipped with through-hole 25, and the point water plate 24 can play the role of a point water, leads to Hole 25 makes water strengthen heat dissipation effect, and can play the role of Supporting plate 22 full of entire cooling-water duct 23.On plate body 22 The side of cooling-water duct 23 be equipped with the ventilation hole 26 set through plate body 22, the side of babinet 1 is run through at the both ends of the plate body 22 Wall is set, and one end of the cooling-water duct 23 is connected in the right wall of blending bin 15, the other end connection of cooling-water duct 23 There is water pump 11;It is connected in the left wall of blending bin 15 by connecting tube 17 with the second exhaust fan 16, on the roof roof of blending bin 15 It is connected by connecting tube 17 with atomizer 18, the other end of atomizer 18 is connected with water inlet pipe 20, semiconductor chilling plate 19 It is arranged on the bottom of water inlet pipe 20.
The operation principle of the present invention:The novel server radiator of invention is placed on babinet 1 at work, server In interior cooled plate 21, three bulks of heat point that server work generates are absorbed, and the first of server work generation heat is big Block is absorbed by the first radiating subassembly, opens the first exhaust fan 12 of 1 bottom of babinet, the first exhaust fan 12 is the air in babinet 1 It is extracted out by the ventilation hole 26 set on plate body 22, such 1 inside of babinet leads to case because of the heat of server work generation The air of heating is extracted out by the first exhaust fan 12 in body 1, and in this process, the relatively cool air outside babinet 1 is by logical Tracheae 6 is entered inside babinet 1, forms benign air-cooled cycle, strengthens the heat dissipation effect of server.
The second bulk that server work generates heat is absorbed by the second radiating subassembly, and the heat that server work generates passes It is delivered on radiator 9, is transmitted to outside case by heat-conducting plate, reduce the heat inside babinet 1, reduce internal temperature, have It works conducive to server.Meanwhile the lower section of second ventilation duct 5 is equipped with deflector 10, the 10 inclined setting of deflector On the side wall of babinet 1, the side wall of the high-end and babinet 1 of deflector 10 connects, and the setting of deflector 10 can be prevented outside babinet 1 The cold air in portion is directly over the gap outflow between transverse slat after coming in, after setting deflector 10, come in by snorkel 6 cold Air can adequately flow out after 10 water conservancy diversion of deflector after server from the gap between transverse slat so that air cooling effect Reach best.Simultaneously as the setting of deflector 10, can cause the wind come in outside babinet 1 after 10 water conservancy diversion of deflector It is come into full contact with radiator 9, into the temperature for reducing radiator 9 as soon as possible.
The third bulk that server work generates heat is directly passed to plate body 22 by heat transmission, and plate body 22 is as service The carrier of device can directly absorb heat caused by server work, and water pump 11 is opened at 11 end of water pump of cooling-water duct 23, Water inlet pipe 20 is drawn into water in blending bin 15 at water source, and pass through semiconductor chilling plate 19 can be in water inlet pipe 20 Water cools down, and is arrived in blending bin 15 after being atomized by atomizer 18 to water, the second exhaust fan 16, which is kept watch, is blown into mixing In case 15, so as to be mixed to water and air, mixed liquid is entered in cooled plate 21 by cooling water pipeline and is carried out Cooling cycle is mixed by water and air, can increase heat dissipation effect;The present invention is combined by wind-cooling heat dissipating, air-cooled and water cooling Heat dissipation and the heat that generates when working computer server of the three-in-one comprehensive radiating mode that radiates of radiator 9 It radiates, is effectively accomplished heat dissipation purpose, protect the normal operation of computer server.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.

Claims (4)

1. a kind of compound server radiating case, including babinet (1), the top of babinet (1) is equipped with case lid (8), which is characterized in that The first radiating subassembly, the second radiating subassembly and third radiating subassembly are further included, the first radiating subassembly includes snorkel (6) and first Exhaust fan (12), the snorkel (6) include the first ventilation duct (4) and the second ventilation duct (5), and first ventilation duct (4) is inclined Being arranged on case lid (8) obliquely, second ventilation duct (5) are arranged on along vertical direction through the roof of babinet (1) The inside of babinet (1), first ventilation duct (4) connect with the second ventilation duct (5);It is set below second ventilation duct (5) There is deflector (10), the deflector (10) is inclined to be arranged on the side wall of babinet (1), the high-end and babinet of deflector (10) (1) side wall connects, and first exhaust fan (12) is arranged on the bottom of babinet (1);
Second radiating subassembly includes radiator (9) and thermally conductive sheet (7), and the radiator (9) is arranged on the roof of babinet (1), One end of thermally conductive sheet (7) is arranged on radiator (9), and the other end of thermally conductive sheet (7) is arranged on case lid (8) outside through case lid (8);
Third dissipate radiating subassembly include cooled plate (21), blending bin (15), the second exhaust fan (16), semiconductor chilling plate (19) and Atomizer (18), the cooled plate (21) include plate body (22), and cooling-water duct (23) is provided in the plate body (22), The ventilation hole (26) through plate body (22) setting is equipped with beside cooling-water duct (23) on plate body (22), the plate body (22) Both ends are set through the side wall of babinet (1), and one end of the cooling-water duct (23) is connected in the right wall of blending bin (15), cold But the other end of aquaporin (23) is connected with water pump (11);Pass through connecting tube (17) and the second exhausting in the left wall of blending bin (15) Machine (16) is connected, and is connected on the roof roof of blending bin (15) by connecting tube (17) with atomizer (18), atomizer (18) the other end is connected with water inlet pipe (20), and semiconductor chilling plate (19) is arranged on the bottom of water inlet pipe (20).
A kind of 2. compound server radiating case according to claim 1, which is characterized in that first ventilation duct (4) Be equipped with filter layer in the second ventilation duct (5), the filter layer includes filter mesh layer (2) and active carbon layer (3).
3. a kind of compound server radiating case according to claim 1, which is characterized in that in the plate body (22) Point water plate (24) is additionally provided with, the point water plate (24) is equipped with through-hole (25).
A kind of 4. compound server radiating case according to claim 1, which is characterized in that first ventilation duct (4) It is flexibly connected with the second ventilation duct (5).
CN201810239747.0A 2018-03-22 2018-03-22 A kind of compound server radiating case Withdrawn CN108255274A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810239747.0A CN108255274A (en) 2018-03-22 2018-03-22 A kind of compound server radiating case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810239747.0A CN108255274A (en) 2018-03-22 2018-03-22 A kind of compound server radiating case

Publications (1)

Publication Number Publication Date
CN108255274A true CN108255274A (en) 2018-07-06

Family

ID=62746095

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810239747.0A Withdrawn CN108255274A (en) 2018-03-22 2018-03-22 A kind of compound server radiating case

Country Status (1)

Country Link
CN (1) CN108255274A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109062375A (en) * 2018-08-21 2018-12-21 河南省云乐科技有限公司 A kind of novel computer server radiating case
CN110147151A (en) * 2019-05-27 2019-08-20 运城学院 A kind of computer host radiator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109062375A (en) * 2018-08-21 2018-12-21 河南省云乐科技有限公司 A kind of novel computer server radiating case
CN110147151A (en) * 2019-05-27 2019-08-20 运城学院 A kind of computer host radiator

Similar Documents

Publication Publication Date Title
CN201654658U (en) Dustproof and waterproof closed cabinet radiating device
CN105025691A (en) Electronic device and heat radiation device utilizing liquid cooling heat radiation and cooling method thereof
CN209167981U (en) A kind of big data server with radiator
CN108255274A (en) A kind of compound server radiating case
CN110913658B (en) Cabinet based on coupling of pulsating heat pipe and phase-change material
CN209431916U (en) A kind of thermal power generation recirculated water Zero discharging system
US20110198060A1 (en) Heat Dissipation Apparatus for Data Center
CN206162362U (en) External radiator of computer that easily carries
CN108227883A (en) A kind of huge computer servers radiator
CN208477458U (en) A kind of compound server radiating case
CN203464785U (en) Dual-cooling type closed cooling system
CN208047120U (en) A kind of self-priming reflux mechanism of liquid-cooling heat radiation
CN207067879U (en) A kind of mainframe computer water cooled heat radiating case
CN108227882A (en) A kind of novel server radiator
CN207008524U (en) A kind of cross-border electric business cloud computing server heat abstractor
CN207363755U (en) A kind of automobile engine safe temperature reduction device
CN207301943U (en) A kind of novel computer radiator fan
CN108919923A (en) A kind of computer server placement bracket of subsidiary heat sinking function
CN208834248U (en) A kind of computer server radiator of good heat dissipation effect
CN210627099U (en) Computer server with cooling function
CN208242073U (en) The cooling system of a kind of electronic equipment
CN203464800U (en) Blowing-type cooling system
CN208124928U (en) A kind of falling film type cooling tower
CN203464798U (en) Light closed cooling tower
CN206181693U (en) Liquid cooling sprays rack and liquid cooling spraying system thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20180706