CN109011877A - Build inner air-cleaning equipment - Google Patents
Build inner air-cleaning equipment Download PDFInfo
- Publication number
- CN109011877A CN109011877A CN201810997798.XA CN201810997798A CN109011877A CN 109011877 A CN109011877 A CN 109011877A CN 201810997798 A CN201810997798 A CN 201810997798A CN 109011877 A CN109011877 A CN 109011877A
- Authority
- CN
- China
- Prior art keywords
- cleaning equipment
- filter screen
- dictyosome
- cylinder
- air
- 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- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0038—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions with means for influencing the odor, e.g. deodorizing substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
- B01D46/0045—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding by using vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0047—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for discharging the filtered gas
- B01D46/0049—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for discharging the filtered gas containing fixed gas displacement elements or cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides building inner air-cleaning equipment, the shell of the cleaning equipment is made of the cylinder, cover and cabinet being from top to bottom sequentially welded and fixed, suction ventilator is equipped in the cylinder, the bottom of box is equipped with air inlet, is equipped with air outlet at the top of the cylinder；It include that upper layer and lower layer drawing and pulling type filters dictyosome in the cabinet, it is dust filter screen that dictyosome filters in lower layer, upper level filter net is deodorization filter screen, and the upper level filter net and lower layer's filter screen are made of two layers of filter screen, and active carbon is filled between two layers of filter screen of the upper level filter dictyosome；The air inlet is equipped with shutter, which adjusts shutter angle by regulating mechanism.The air bottom in and top out of the innovation and creation cleaning equipment can quickly be filtered the peculiar smell in corridor, and fresh air is discharged.
Description
Technical field
The invention belongs to air purification field, more particularly, to a kind of building inner air-cleaning equipment.
Background technique
Existing office building will not generally set fixed smoking seat, toilet and corridor the smoking seat of default,
Because toilet generally has exhaust system, therefore, smoke can be discharged by exhaust system quickly, but window is arranged in corridor internal cause,
Exhaust system generally will not be separately set again, and still, summer outdoor temperature is higher, winter outdoor temperature is lower, to guarantee building
Interior temperature, the window in the two season corridors will not be always on, or even if there is opening, smoke or peculiar smell are in corridor
Be it is prolonged do not dissipate, i.e., will not quickly be discharged, environment causes anxiety in corridor, needs to improve.
Summary of the invention
For situation the technical issues of mentioning in background technique, the technical solution of the innovation and creation provides a kind of clean-up effect
Good wall-mounted building inner air-cleaning equipment.
In order to solve the above technical problems, the invention the technical solution adopted is that:
Wall hanging type air cleaning equipment, the cleaning equipment include shell, filter screen structure and suction ventilator, the filter screen knot
Structure and the suction ventilator are fixedly arranged in the shell, and the housing bottom is air inlet, and case top is air outlet, the mistake
Filter structure is located at immediately below the suction ventilator；
The cleaning equipment is installed in installs case, which is fixedly installed on corridor wall, the installs case include by
Sequentially connected mounting cap, connecting plate, outer cover and outer container under, the mounting cap include cap portion and are welded in below cap portion
Several pillars, the pillar include thick column portion and buttress shaft portion；
The through-hole for fixing the case top is equipped in the middle part of the connecting plate, which is coated with rubber
Circle；Several jacks for buttress shaft portion insertion are evenly equipped on the connecting plate.
Further, the outer cover is one without taper structure, and outer cover top connects by the way that screw and the connecting plate are fixed
It connects, the shield base is fixedly connected by screw with the outer container top surface.
Further, the outer container is square tubular structure.
Further, the lower surface of the outer container is equipped with the support edge to support cleaning equipment, and the pedestal of cleaning equipment is straight
It connects and is placed in the support along upper.
Further, several hanging holes hung for green plant planting pot are equipped on four side walls of the outer container.
The invention, which also resides in, provides a kind of building inner air-cleaning equipment, which is mountable to above-mentioned installation
In case, the shell of the cleaning equipment is made of the cylinder, cover and cabinet being from top to bottom sequentially welded and fixed, and is set in the cylinder
There is suction ventilator, the bottom of box is equipped with air inlet, is equipped with air outlet at the top of the cylinder；
It include that upper layer and lower layer drawing and pulling type filters dictyosome in the cabinet, it is dust filter screen, upper layer mistake that dictyosome filters in lower layer
Strainer is deodorization filter screen, and the upper level filter net and lower layer's filter screen are made of two layers of filter screen, the upper level filter dictyosome
Active carbon is filled between two layers of filter screen；
The air inlet is equipped with shutter, which adjusts shutter angle by regulating mechanism.
Further, which includes several parallel arrangement of blinds, each blinds both ends pass through connecting shaft with
The framework rotation connection, each blinds middle part are equipped with gap, are equipped with raised line, one end of the raised line in the gap
It is integrally formed with the gap side wall, there are gaps between the other end and another side wall of the gap.
Further, the regulating mechanism includes fixed block, fixed strip, connector sleeve and adjusting rod, and the fixed block is fixedly arranged on
On the cabinet lateral wall, one end of the fixed strip is fixedly connected with the fixed block, and the other end is equipped with sets of holes, the company
Female connector is sheathed in the sets of holes, and the connector sleeve and the adjusting rod are integrally formed, and the adjusting rod is equipped with several through-holes,
The adjusting rod by the gap in gap, be inserted on adjusting rod in corresponding through-hole by the free end of the raised line.
Further, the connector sleeve is ellipse.
Further, the cross for fixing the suction ventilator, the end welding of the cross are additionally provided in the cylinder
It is fixed on the cylinder medial surface, the suction ventilator includes motor and flabellum, and the motor drives flabellum rotation, and motor base is logical
Bolt is crossed to be fixed on the cross.
Further, the lateral surface of lower layer's filtering dictyosome is equipped with hand button.
Further, the lateral surface of the upper level filter dictyosome is equipped with hand button.
The invention has the advantages and positive effects of:
The setting main function of installs case is as follows: (1) can be used as the protective shell of cleaning equipment, prevent artificial destruction purification from setting
It is standby or steal strainer, and be conducive to the unified installation to cleaning equipment in corridor；(2) noise generated can be run to equipment to play
Certain soundproof effect；(3) setting of mounting cap can effectively prevent dust foreign matter to enter in the cylinder of cleaning equipment, and the installation
Cap can play diversion effect to purified air.
Cleaning equipment has the beneficial effect that: (1) the air bottom in and top out of the cleaning equipment, can be for the smoke in corridor
It is quickly filtered, and fresh air is discharged；(2) it is drawing and pulling type structure that upper layer and lower layer, which filter dictyosome relative to cabinet, can be fast
Speed is replaced；(3) shutter can be according to smoke or the direction of peculiar smell, the artificial air inlet angle for pulling adjusting rod to adjust shutter
Degree improves air purification efficiency.
Detailed description of the invention
Fig. 1 is the positional diagram of installs case and cleaning equipment in embodiment, wherein cleaning equipment is with respect to installs case
For perspective；
Fig. 2 is the structural schematic diagram of installs case in embodiment；
Fig. 3 is the structural schematic diagram of mounting cap described in embodiment；
Fig. 4 is the structural schematic diagram of connecting plate described in embodiment；
Fig. 5 is the upper view schematic perspective view of cleaning equipment in embodiment；
Fig. 6 is the overlooking structure diagram of cleaning equipment in embodiment；
Fig. 7 is the present invention looks up structural representation of cleaning equipment in embodiment；
Fig. 8 is the partial structurtes enlarged diagram of shutter in embodiment；
Fig. 9 is the state signal of the dust filter screen and deodorization filter screen opposite case extraction in embodiment in cleaning equipment
Figure.
In figure: A- installs case, A1- mounting cap, A11- cap portion, A12- pillar, the thick column portion A121-, A122- buttress shaft portion, A2-
Connecting plate, A21- jack, A3- outer cover, A4- outer container, A41- hanging hole；
B- air cleaning facility, 1- cylinder, 2- cover, 3- cabinet, 4- suction ventilator, 5- cross, 6- dust filter screen, 7-
Deodorization filter screen, 8- shutter, 81- connecting shaft, 82- blinds, 83- gap, 84- raised line, 9- regulating mechanism, 91- fixed block,
92- fixed strip, 93- connector sleeve, 94- adjusting rod；
The green plant planting pot of C-.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the invention can
To be combined with each other.
In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For the limitation to the invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.In the description of the invention, unless separately
It is described, the meaning of " plurality " is two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments creates.
In some embodiments, a kind of building inner air-cleaning equipment, including the cylinder being from top to bottom sequentially welded and fixed
1, cover 2 and cabinet 3, the cylinder 1 is interior to be equipped with suction ventilator 4 and the cross 5 for fixing the suction ventilator, the cross 5
End be fixedly welded on 1 medial surface of cylinder, the suction ventilator includes motor and flabellum, and the motor drives fan blade rotating
Dynamic, motor base is fixed by bolts on the cross 5.
It include that upper layer and lower layer drawing and pulling type filters dictyosome in the cabinet 3, it is dust filter screen 6 that dictyosome filters in lower layer, by upper
Lower two layers of filter screen composition, to filter the molecule in gas, upper level filter net is deodorization filter screen 7, equally by upper and lower
Two layers of filter screen forms, and active carbon is filled between two layers of filter screen of the upper level filter dictyosome.The dust filter screen and deodorization
Filter screen is filter screen common in existing air purifier.
3 inner bottom surface of cabinet is equipped with shutter 8, which adjusts shutter angle, the shutter 8 by regulating mechanism 9
Including several parallel arrangement of blinds 82, each 82 both ends of blinds pass through connecting shaft 81 and 1 inner wall of cabinet rotates
Connection is equipped with gap 83 in the middle part of each blinds 82, is equipped with raised line 84 in the gap 83, one end of the raised line 84 with
83 side wall of gap is integrally formed, and there are gaps between the other end and another side wall of the gap 83；
The regulating mechanism 9 includes fixed block 91, fixed strip 92, connector sleeve 93 and adjusting rod 94, and the fixed block 91 is solid
On 3 lateral wall of cabinet, one end of the fixed strip 92 is fixedly connected with the fixed block 91, and the other end is equipped with set
Hole, the connector sleeve 93 are sheathed in the sets of holes, which is ellipse, the connector sleeve 93 and the adjusting rod 94
It is integrally formed, the adjusting rod 94 is equipped with several through-holes, and the adjusting rod 94 passes through the gap in gap, the raised line 84
Free end is inserted on adjusting rod in corresponding through-hole, and the movement of adjusting rod 94 can pull raised line 84 mobile, so that blinds 82
Opposite case inner wall rotation, to achieve the purpose that adjust shutter angle.
In the embodiment it is a kind of building inner air-cleaning equipment use process is as follows:
When need to air cleans in building when, open motor switch, suction ventilator starts running, cleaning equipment week
The air enclosed is entered in cabinet by shutter, and after two layers is filtered the filtering of dictyosome, is discharged by cylinder.
In addition, the air cleaning facility can be installed on corridor inner wall by bracket.
In some embodiments, which is mountable in installs case A, installs case A packet
Include from top to bottom sequentially connected mounting cap A1, connecting plate A2, outer cover A3 and outer container A4, the mounting cap include cap portion A11 and
Several pillar A12 being welded in below cap portion, the pillar A12 include thick column portion A121 and buttress shaft portion A122, the cap portion A11
And pillar A12 is stainless steel structure.
The through-hole passed through for the cylinder 1 is equipped in the middle part of the connecting plate A2, which is coated with rubber ring, should
Through-hole has position-limiting action for cylinder；Several jack A21 for buttress shaft portion insertion, the jack are evenly equipped on connecting plate A2
Size is small compared with the size in the thick column portion, and the size compared with buttress shaft portion is big, i.e., buttress shaft portion can be inserted by jack, thus completes mounting cap
Installation on connecting plate.
The outer cover A3 is one without taper structure, and the top outer cover A3 connects by the way that screw and the connecting plate A2 are fixed
It connects, the bottom the outer cover A3 is fixedly connected by screw with the top surface the outer container A4.
The outer container A4 is square tubular structure, and the lower surface of outer container A4 is equipped with the support to support cleaning equipment
Edge, it is several for green plant along above, being equipped on four side walls of the outer container that the pedestal of cleaning equipment is placed directly in the support
The hanging hole A41 that planting pot C is hung.
The installs case is fixed on wall by steel nail, and the hanging hole for the one side which fits with wall can be made
For mounting hole use.
Installation process of the cleaning equipment in installs case is as follows:
(1) outer container is fixed on wall；
(2) pedestal on purifying apparatus box bottom surface is placed in the support of outer lower box part along upper；
(3) screw-driving for being used to connect outer cover and connecting plate is fixed；
(4) outer cover is sheathed on to the cylinder periphery of cleaning equipment, which is stretched out by the through-hole in the middle part of connecting plate；
(5) screw-driving for being used to connect outer cover and outer container is fixed；
(6) mounting cap is installed to connecting plate.
The switch of motor is located on outer container side wall, and smoker can open motor switch in smoking, anyone thinks corridor
Also openable motor switch when inside having smoke or other peculiar smell, which brings into operation, and purifies air.
In use, can also be according to smoke or the direction of peculiar smell, the artificial air inlet angle for pulling adjusting rod to adjust shutter mentions
High air purification efficiency.
In addition, dust filter screen and deodorization filter screen are primary using needing replacing after a period of time (it is recommended that being three months),
For the replacement convenient for above-mentioned filter screen, switch gate can be set on the side wall of outer container, the dust filter screen to be replaced and deodorization
Filter screen can be extracted out outside installs case by switch gate, and the dust filter screen and deodorization filter screen after replacement can pass through switch gate
It is inserted into the cabinet of cleaning equipment.
The setting main function of installs case is as follows in the present embodiment: (1) can be used as the protective shell of cleaning equipment, prevent artificial
It destroys cleaning equipment or steals strainer；(2) noise generated can be run to equipment and plays certain soundproof effect；(3) mounting cap
Setting dust foreign matter can be effectively prevent to enter in the cylinder of cleaning equipment, and the mounting cap can play purified air and lead
Flow effect.
Above an embodiment of the invention is described in detail, but the content is only the invention
Preferred embodiment should not be considered as limiting the invention the practical range of creation.It is all to be made according to the invention application range
All the changes and improvements etc., shall remain within the patent scope covered by the invention.
Claims (7)
1. a kind of building inner air-cleaning equipment, which is characterized in that the shell of the cleaning equipment is solid by from top to bottom sequentially welding
Fixed cylinder, cover and cabinet composition, the cylinder is interior to be equipped with suction ventilator, and the bottom of box is equipped with air inlet, the cylinder
Top is equipped with air outlet；
It include that upper layer and lower layer drawing and pulling type filters dictyosome in the cabinet, it is dust filter screen, upper level filter net that dictyosome filters in lower layer
To be deodorized filter screen, the upper level filter net and lower layer's filter screen are made of two layers of filter screen, and two layers of the upper level filter dictyosome
Active carbon is filled between filter screen；
The air inlet is equipped with shutter, which adjusts shutter angle by regulating mechanism.
2. a kind of building inner air-cleaning equipment according to claim 1, which is characterized in that if the shutter includes dry doubling
The blinds of row setting, each blinds both ends pass through connecting shaft and framework rotation connects, in the middle part of each blinds
Be equipped with gap, raised line be equipped in the gap, one end of the raised line and the gap side wall are integrally formed, the other end with
There are gaps between another side wall of the gap.
3. a kind of building inner air-cleaning equipment according to claim 1, which is characterized in that the regulating mechanism includes solid
Determine block, fixed strip, connector sleeve and adjusting rod, the fixed block is fixedly arranged on the cabinet lateral wall, one end of the fixed strip
Be fixedly connected with the fixed block, the other end is equipped with sets of holes, and the connector sleeve is sheathed in the sets of holes, the connector sleeve with
The adjusting rod is integrally formed, and the adjusting rod is equipped with several through-holes, and the adjusting rod is described convex by the gap in gap
On the free end insertion adjusting rod of item in corresponding through-hole.
4. a kind of building inner air-cleaning equipment according to claim 3, which is characterized in that the connector sleeve is ellipse
Shape.
5. a kind of building inner air-cleaning equipment according to claim 1, which is characterized in that be additionally provided with use in the cylinder
In the cross for fixing the suction ventilator, the end of the cross is fixedly welded on the cylinder medial surface, the suction ventilator packet
Motor and flabellum are included, the motor drives flabellum rotation, and motor base is fixed by bolts on the cross.
6. a kind of building inner air-cleaning equipment according to claim 1, which is characterized in that lower layer's filtering dictyosome
Lateral surface is equipped with hand button.
7. a kind of building inner air-cleaning equipment according to claim 1, which is characterized in that the upper level filter dictyosome
Lateral surface is equipped with hand button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810997798.XA CN109011877A (en) | 2018-08-29 | 2018-08-29 | Build inner air-cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810997798.XA CN109011877A (en) | 2018-08-29 | 2018-08-29 | Build inner air-cleaning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109011877A true CN109011877A (en) | 2018-12-18 |
Family
ID=64625519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810997798.XA Withdrawn CN109011877A (en) | 2018-08-29 | 2018-08-29 | Build inner air-cleaning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109011877A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432904A (en) * | 2018-12-25 | 2019-03-08 | 萧桂颖 | A kind of environment-friendly type workshop dust capture device |
| CN109821319A (en) * | 2019-01-25 | 2019-05-31 | 惠州德赛信息科技有限公司 | Tower shunt filtering system |
| CN112516701A (en) * | 2021-01-19 | 2021-03-19 | 周春阳 | Medical dust filtering device |
-
2018
- 2018-08-29 CN CN201810997798.XA patent/CN109011877A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432904A (en) * | 2018-12-25 | 2019-03-08 | 萧桂颖 | A kind of environment-friendly type workshop dust capture device |
| CN109821319A (en) * | 2019-01-25 | 2019-05-31 | 惠州德赛信息科技有限公司 | Tower shunt filtering system |
| CN112516701A (en) * | 2021-01-19 | 2021-03-19 | 周春阳 | Medical dust filtering device |
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|---|---|---|---|
| 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 |
Application publication date: 20181218 |
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| WW01 | Invention patent application withdrawn after publication |