CN104047887A - Connection Assembly For A Radial Fan For A Suction Hood - Google Patents
Connection Assembly For A Radial Fan For A Suction Hood Download PDFInfo
- Publication number
- CN104047887A CN104047887A CN201410087238.2A CN201410087238A CN104047887A CN 104047887 A CN104047887 A CN 104047887A CN 201410087238 A CN201410087238 A CN 201410087238A CN 104047887 A CN104047887 A CN 104047887A
- Authority
- CN
- China
- Prior art keywords
- convex shoulder
- blast fan
- axle
- connection set
- screw thread
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/263—Rotors specially for elastic fluids mounting fan or blower rotors on shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
- F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a connection assembly (10) for a radial fan (2) for a suction hood (1). The connection assembly (10) has a fan wheel (11) and a shaft (18) for driving the fan wheel (11). The shaft has a screw thread (23) which is screwed into the corresponding screw thread (37) of the fan wheel (11). A shoulder (25) subsequent to the screw thread (23) of shaft is engaged in a corresponding shoulder (33) of the fan wheel (11). The radial portions (26, 34) of the shoulder (25) and the corresponding shoulder (33) of fan wheel are in axial engagement with each other.
Description
Technical field
The present invention relates to a kind of connection set of the radial-flow type blower for smoke ventilator.
Background technique
For example, by the known a kind of radial-flow type blower for smoke ventilator of DE 90 16 767 U1.Described radial-flow type blower drives the blower motor of this blast fan while comprising blast fan and the operation of radial-flow type blower.Blower motor is arranged in blast fan inside and drives this blast fan by the disk being connected with the rotor of blower motor.
Summary of the invention
Task of the present invention is, a kind of connection set of the radial-flow type blower for smoke ventilator is provided, and the feature of described connection set is especially with low cost and compact structure.
The connection set that a kind of radial-flow type blower for smoke ventilator is provided accordingly, it has blast fan and axle.Described axle is provided for drives fan wheel.Described axle has screw thread and is connected to the convex shoulder on described screw thread.Described screw thread is screwed in the screw thread matching of blast fan.Described convex shoulder is embedded in the convex shoulder matching of blast fan.The radial part section of described convex shoulder and the convex shoulder that matches axially mutually against.
Outside but be arranged in this blast fan by the convex shoulder of described axle not being arranged in to blast fan, can make described axle be provided with less maximum diameter.Reason to this is, can be equally by convex shoulder, carries out blast fan and do not need independent bourrelet section about the centering of the spin axis of axle and between the convex shoulder of described axle and screw thread.Described less greatest axis diameter allows to use less bearing, especially ball bearing to be used for supporting described axle rotor in other words.Corresponding blower motor is constructed less and can be saved cost thus.
Described radial-flow type blower can be especially the radial-flow type blower of double-current method.
Blast fan can be comprised of axial arranged blade, and described blade is tightened by two concentric rings on end separately at it.In addition, blast fan can have bell-shaped piece, and described bell-shaped piece is permanently connected blade and the axle sleeve rotation in other words of described axle.
Described convex shoulder and the convex shoulder matching are preferably symmetrically constructed about spin axis respectively.
Radial part section preferably directly mutually against, that is to say, between these radial part sections, do not arrange other assemblies or there is no space yet.
" radially ", " axially " and " along circumferentially " at this, refer to the spin axis of described axle." radially " and " axially " preferably also comprise and the radially axially skew of maximum 5 ° in other words.When the screw thread matching of blast fan is screwed on the screw thread of described axle completely, radial part section reach mutually against.So radial part section is passed through to continue rotating photo mutual friction tensioning in locking manner, thereby avoids blast fan automatically to unclamp from described axle.Described for blast fan being screwed to the sense of rotation setting of the sense of rotation blast fan when this can move against radial-flow type blower on axle.Guarantee thus, the joint between blast fan and axle is further tightened and is not unclamped when radial-flow type blower moves.
According to a kind of mode of execution, the axial part section of convex shoulder and the convex shoulder that matches radially mutually against.Can realize blast fan about the centering of the spin axis of described axle by convex shoulder thus.In addition, realize thus the additional support of blast fan on described axle.
According to another kind of mode of execution, blast fan has axle sleeve, and described axle sleeve comprises the screw thread matching and the convex shoulder matching.Connection part place between blast fan and axle can produce large power, thereby can advantageously, by axle sleeve, this axle be imported in blast fan.
According to another kind of mode of execution, axle sleeve consists of the material that is different from the bell-shaped piece that holds axle sleeve of blast fan.Therefore, axle sleeve for example can consist of the material more stable than bell-shaped piece, to can thus power be transferred to blast fan from described axle.
According to another kind of mode of execution, axle sleeve shape in locking manner, force closure ground and/or material be connected with bell-shaped piece in locking manner.For example axle sleeve can rub and remain in locking manner in the opening of bell-shaped piece.In addition, axle sleeve can be for example moulded shape with the material envelope of plastic injection-moulded method and bell-shaped piece, forms thus the sealed connection of material between bell-shaped piece and axle sleeve.
According to another kind of mode of execution, between axle sleeve and bell-shaped piece, be provided with kayser joint.For example can on the shell surface of axle sleeve, arrange one or more receiving element, described receiving element can resilient shapes be connected in locking manner with one or more engaged element of bell-shaped piece.
Axle sleeve in principle can be to have the Cylindrical object formal construction of circular basal plane.
According to another kind of mode of execution, the convex shoulder matching has centering diameter, and described centering diameter makes blast fan about the spin axis centering of axle.There is dual functions in the convex shoulder matching therefore: it is for sealed connection and fixing on described axle for blast fan thus of rubbing on the one hand; It makes blast fan about the spin axis centering of described axle on the other hand.Obtain thus compact structure.
According to another kind of mode of execution, the convex shoulder matching of blast fan has for the convex shoulder of axle being imported to the importing inclined-plane of the convex shoulder matching.Simply assembled thus.
According to another kind of mode of execution, between described male thread and convex shoulder, there is circular groove.Can manufacture simply convex shoulder thus.
According to another kind of mode of execution, described axle has for the screw thread of axle being screwed into the assembling assisting agency of the screw thread matching of blast fan in one end thereof.Simplified thus the assembling of connection set.
According to another kind of mode of execution, described assembling assisting agency is with the formal construction of shaft part, and described shaft part has the diameter less than described screw thread.Can provide assembling assisting agency in simple mode thus.
A kind of smoke ventilator with radial-flow type blower is provided in addition.Described radial-flow type blower has blast fan and blower motor.In addition, this radial-flow type blower comprises connection set described above, and described connection set is permanently connected the axle of blower motor and blast fan rotation.
According to a kind of mode of execution, described axle is a part for the rotor of blower motor.Described axle can be towards a side bearing of blast fan in the bearing of two each intervals, especially ball bearing.
According to another kind of mode of execution, described rotor configuration is interior mover (Innenl ufer).Stator is correspondingly so set, and it surrounds described rotor.In addition, described stator arranges regularly about the motor mounting mechanism rotation of blower motor.
According to another kind of mode of execution, described radial-flow type blower structure is the radial-flow type blower of double-current method.This radial-flow type blower comprises axial opposed suction port and tangential air outlet.Described blast fan is carried air and described air is applied to pressure reduction from suction port to air outlet.
Other possible mode of executions of the present invention also comprise the combination about the described feature of embodiment or mode of execution of that clearly do not mention, above or the following stated connection set or smoke ventilator.At this, professional and technical personnel in the field can also be using single aspect as the improvement project of corresponding citation form of the present invention or additional project are added or revised.
Accompanying drawing explanation
Other favourable design proposals of the present invention and aspect are dependent claims of the present invention and embodiment's described below themes.In addition, according to preferred embodiment at length setting forth the present invention with reference to accompanying drawing.
This:
Fig. 1 illustrates the intercepting part according to a kind of smoke ventilator of mode of execution; And
Fig. 2 illustrates the section L-L in Fig. 1; And
Fig. 3 illustrates the view M of the amplification in Fig. 2.
Reference numerals list
1 smoke ventilator
2 radial-flow type blowers
3 housings
4 half housings
5 half housings
6 suction ports
7 blower motors
8 spin axiss
9 suction ports
10 connection sets
11 blast fans
12 motor mounting mechanismes
13 blades
14 stators
15 rotors
16 bell-shaped pieces
17 axle sleeves
18 axles
19 ball bearings
20 diameters
21 air outlets
22 assembling assisting agencies
23 screw threads
24 circular grooves
25 convex shoulders
26 radial part sections
27 axial part sections
31 kayser joints
32 basal planes
33 convex shoulders
34 radial part sections
35 axial part sections
36 import inclined-plane
37 screw threads.
In the accompanying drawings, unless otherwise, element identical or that function is identical is provided with same reference character.
Embodiment
Fig. 1 shows the intercepting part of the smoke ventilator 1 of the radial-flow type blower 2 with double-current method, and Fig. 2 shows the section L-L in Fig. 1.
Radial-flow type blower 2 comprises the helical housing 3 being comprised of two half housings 4,5 connected to one another.Each half housing 4,5 has axial admission mouth 6,9." axially " and " radially " refers to the spin axis 8 of blower motor 7 in the inside that is arranged in housing 3, drives fan wheel 11 at this.
Connection set 10 shown in Fig. 2 couples together blower motor 7 and blast fan 11 for drives fan wheel when radial-flow type blower 2 moves.
Blower motor 7 is by motor mounting mechanism 12, be especially fixed on half housing 5 by its bearing cap, and more precisely, this blower motor is arranged in the inside of blast fan 11.
Blower motor 7 comprises about motor mounting mechanism 12 positions fixing stator 14 and the rotor 15 that is configured to interior mover.Rotor 15 comprises the axle 18 with spin axis 8.
Blast fan 11 comprises axially extended blade 13.In addition, blast fan 11 also comprises bell-shaped piece 16, and this bell-shaped piece is connected to each other blade 13 and couples together with axle sleeve 17, as also will elaborated according to Fig. 3 below.Bell-shaped piece 16 can so axially be divided blade 13, thereby produces two independent regions, and described independent region attaches troops to a unit respectively in air outlet 6, and air is out transported to the tangential air outlet 21 housing 3 from described air outlet, as seeing in Fig. 2.
In addition,, as seeing in Fig. 2, the axle of rotor 15 18 cantilever types ground structures, that is to say that two ball bearings 19 are towards a blast fan 11 side back shaft 18 of bell-shaped piece 16 in other words, and axle 18 are at its free end upper support blast fan 11.
Fig. 3 shows the view M of the amplification in Fig. 2.
Just as shown in Figure 2, axle 18 comprises that in its outermost end form is the assembling assisting agency 22 of spindle nose, and described assembling assisting agency has the less diameter 20 of screw thread 23 on spindle nose 22 that is connected to than axle 18.After screw thread 23, it is circular groove 24.Convex shoulder 25 is connected on circular groove 24, and convex shoulder 25 comprises radial part section 26 and axial part section 27.
Axle sleeve 17 by kayser joint 31 along sense of rotation and be connected in locking manner with bell-shaped piece 16 shapes vertically.Axle sleeve 17 is to have the formal construction of the Cylindrical object of circular basal plane 32.The convex shoulder 33 matching with convex shoulder 25 is formed into described Cylindrical object in other words in axle sleeve 17.The described convex shoulder matching 33 is comprised of radial part section 34 and axial part section 35.Axle sleeve 17 forms by the importing inclined-plane 36 towards convex shoulder 33 in addition.That axle sleeve 17 comprises is in addition that match with screw thread 23, be connected to the screw thread 37 on convex shoulder 33.
On axle 18, during provided with fan impeller 11, first from a side, the truncated cone 22 is imported to screw thread 37.By making the truncated cone 22 there is relatively little diameter 20, this can be realized without any problems.Importing the auxiliary convex shoulder 25 in inclined-plane 36 slides in the convex shoulder 33 matching.After this by making when radial-flow type blower 2 operation blast fan 11 realize the screw thread 37 of axle sleeve 17 and the engagement of screw thread 23 and be screwed on this screw thread 23 against its sense of rotation rotation.Determine constantly since one, 26,34 of the radial part sections of convex shoulder 25,33 mutually against.Further tighten for the sealed connection of friction between radial part section 26,34.In addition, realized thus blast fan 11 vertically about the location of the regulation of axle 18.In addition, with the diameter of feeling relieved, form convex shoulder 25, thus make described convex shoulder 25,33 axial part section 27,35 mutually against the centering about the spin axis 8 of axle 18 for blast fan 11.
Although describe the present invention at this according to preferred embodiment, the present invention is not limited to this, but can diversely revise.
Claims (15)
1. for the connection set (10) of the radial-flow type blower (2) of smoke ventilator (1), there is blast fan (11) and for driving the axle (18) of described blast fan (11), described axle has the screw thread (23) in the screw thread matching (37) that is screwed into described blast fan (11) and is connected to the convex shoulder (25) on described screw thread (23), described convex shoulder (25) is embedded in the convex shoulder matching (33) of described blast fan (11), wherein said convex shoulder (25) and described in the radial part section (26 of the convex shoulder (33) that matches, 34) axially mutually against.
2. by connection set claimed in claim 1, it is characterized in that, described convex shoulder (25) and described in the convex shoulder (33) that matches axial part section (27,35) radially mutually against.
3. by the connection set described in claim 1 or 2, it is characterized in that, described blast fan (11) has axle sleeve (17), the screw thread (37) matching described in described axle sleeve comprises and described in the convex shoulder (33) that matches.
4. by connection set claimed in claim 3, it is characterized in that, described axle sleeve (17) consists of the different material of the bell-shaped piece that holds described axle sleeve (17) (16) from described blast fan (11).
5. by connection set claimed in claim 4, it is characterized in that, described axle sleeve (17) shape in locking manner, force closure ground and/or material be connected with described bell-shaped piece (16) in locking manner.
6. by connection set claimed in claim 5, it is characterized in that, between described axle sleeve (17) and described bell-shaped piece (16), be provided with kayser joint (31).
7. by the connection set described in any one in claim 1-6, it is characterized in that, described in the convex shoulder (33) that matches there is centering diameter, described centering diameter makes described blast fan (11) about spin axis (8) centering of described axle (18).
8. by the connection set described in any one in claim 1-7, it is characterized in that, the convex shoulder matching (33) of described blast fan (11) has the importing inclined-plane (36) of the convex shoulder (33) for matching described in the convex shoulder of described axle (18) (25) is imported to.
9. by the connection set described in any one in claim 1-8, it is characterized in that, described axle (18) has circular groove (24) between described screw thread (23) and described convex shoulder (25).
10. by the connection set described in any one in claim 1-9, it is characterized in that, described axle (18) has for the screw thread of described axle (18) (23) being screwed into the assembling assisting agency (22) of the screw thread matching (37) of described blast fan (11) in one end thereof.
11. by connection set claimed in claim 10, it is characterized in that, described assembling assisting agency (22) is with the formal construction of shaft part, and described shaft part has the diameter (20) less than the screw thread matching (37) of described blast fan (11).
12. have the smoke ventilator (1) of radial-flow type blower (2), described radial-flow type blower has blast fan (11), blower motor (7) and by the connection set (10) described in any one in claim 1-11, wherein said connection set (10) is permanently connected the axle of described blower motor (7) (18) and described blast fan (11) rotation.
13. by the smoke ventilator described in claim 12, it is characterized in that, described axle (18) is a part for the rotor (15) of described blower motor (7).
14. by the smoke ventilator described in claim 13, it is characterized in that, described rotor (15) is configured to interior mover.
15. by the smoke ventilator described in any one in claim 12-14, it is characterized in that, described radial-flow type blower (2) is configured to the radial-flow type blower of double-current method.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013204140.3A DE102013204140A1 (en) | 2013-03-11 | 2013-03-11 | Connecting arrangement for a radial fan of an extractor hood |
| DE102013204140.3 | 2013-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104047887A true CN104047887A (en) | 2014-09-17 |
Family
ID=50189567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410087238.2A Pending CN104047887A (en) | 2013-03-11 | 2014-03-11 | Connection Assembly For A Radial Fan For A Suction Hood |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2778428B1 (en) |
| CN (1) | CN104047887A (en) |
| DE (1) | DE102013204140A1 (en) |
| PL (1) | PL2778428T3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438478A (en) * | 2015-05-29 | 2017-02-22 | 哈农系统 | Centrifugal blower unit especially for motor vehicle air conditioning systems |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITUA20162385A1 (en) * | 2016-04-07 | 2017-10-07 | Faber Spa | FAN PERFECTED FOR FUMES AND VAPORS ASPIRATION SYSTEM, IN PARTICULAR FOR THE KITCHEN AND THE SUCTION SYSTEM WITH THIS FAN |
| CN106813282B (en) * | 2017-04-10 | 2023-03-28 | 华帝股份有限公司 | Automatic cleaning device of range hood and oil smoke cleaning method thereof |
| CN115788944B (en) * | 2023-01-16 | 2023-04-18 | 中国电建集团透平科技有限公司 | Large-scale wind-tunnel fan drive shafting structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2269799A (en) * | 1939-09-23 | 1942-01-13 | Torrington Mfg Co | Fan hub and shaft assembly |
| JPS5136602A (en) * | 1974-09-24 | 1976-03-27 | Hitachi Ltd | GOSEIJUSHISEIHANEGURUMA |
| FR2324203A7 (en) * | 1975-09-15 | 1977-04-08 | Sisme Italiana Statori Motori | Connection between electric motor and pump - has rotor screwed onto motor spindle and pump housing bolted to motor shroud |
| JPS5289703U (en) * | 1975-12-27 | 1977-07-05 | ||
| CN1188179A (en) * | 1996-10-02 | 1998-07-22 | 亚瑞亚·勃朗勃威力有限公司 | Compressor-wheel arrangement for turbochargers |
| JP2010242526A (en) * | 2009-04-01 | 2010-10-28 | Tokai Rubber Ind Ltd | Fan boss |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB983101A (en) * | 1961-03-13 | 1965-02-10 | Firth Cleveland Ltd | Improvements relating to cross-flow fans |
| US4832573A (en) * | 1987-11-27 | 1989-05-23 | General Motors Corporation | Integral connection for plastic water pump impeller |
| DE9016767U1 (en) | 1990-12-12 | 1991-02-28 | Ebm Elektrobau Mulfingen Gmbh & Co, 7119 Mulfingen, De | |
| CN2136952Y (en) * | 1992-07-28 | 1993-06-23 | 蔡琼瑶 | Range hood f |
| TR200102654T2 (en) * | 1999-03-23 | 2001-12-21 | Arçeli̇k A.Ş. | insulated fan |
-
2013
- 2013-03-11 DE DE102013204140.3A patent/DE102013204140A1/en not_active Withdrawn
-
2014
- 2014-02-28 EP EP14157261.0A patent/EP2778428B1/en active Active
- 2014-02-28 PL PL14157261T patent/PL2778428T3/en unknown
- 2014-03-11 CN CN201410087238.2A patent/CN104047887A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2269799A (en) * | 1939-09-23 | 1942-01-13 | Torrington Mfg Co | Fan hub and shaft assembly |
| JPS5136602A (en) * | 1974-09-24 | 1976-03-27 | Hitachi Ltd | GOSEIJUSHISEIHANEGURUMA |
| FR2324203A7 (en) * | 1975-09-15 | 1977-04-08 | Sisme Italiana Statori Motori | Connection between electric motor and pump - has rotor screwed onto motor spindle and pump housing bolted to motor shroud |
| JPS5289703U (en) * | 1975-12-27 | 1977-07-05 | ||
| CN1188179A (en) * | 1996-10-02 | 1998-07-22 | 亚瑞亚·勃朗勃威力有限公司 | Compressor-wheel arrangement for turbochargers |
| JP2010242526A (en) * | 2009-04-01 | 2010-10-28 | Tokai Rubber Ind Ltd | Fan boss |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438478A (en) * | 2015-05-29 | 2017-02-22 | 哈农系统 | Centrifugal blower unit especially for motor vehicle air conditioning systems |
| CN106438478B (en) * | 2015-05-29 | 2019-12-03 | 翰昂汽车零部件有限公司 | Particularly for the cfentrifugal blower unit of motor vehicle air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2778428A2 (en) | 2014-09-17 |
| PL2778428T3 (en) | 2021-04-06 |
| EP2778428B1 (en) | 2020-08-26 |
| EP2778428A3 (en) | 2018-04-04 |
| DE102013204140A1 (en) | 2014-09-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Munich, Germany Applicant after: BSH Household Electrical Appliance Co., Ltd Address before: Munich, Germany Applicant before: BSH Bosch and Siemens Household Appliances Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: BOSCH UND SIEMENS HAUSGERATE GMBH TO: BSH HOME APPLIANCES CO., LTD. Free format text: CORRECT: ADDRESS; FROM: |
|
| 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: 20140917 |