CN101382285B - Burner for stove - Google Patents
Burner for stove Download PDFInfo
- Publication number
- CN101382285B CN101382285B CN2008102151439A CN200810215143A CN101382285B CN 101382285 B CN101382285 B CN 101382285B CN 2008102151439 A CN2008102151439 A CN 2008102151439A CN 200810215143 A CN200810215143 A CN 200810215143A CN 101382285 B CN101382285 B CN 101382285B
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- CN
- China
- Prior art keywords
- burner
- lid
- burner lid
- stove
- cylindrical shell
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/08—Arrangement or mounting of burners
- F24C3/085—Arrangement or mounting of burners on ranges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
- F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/02—Stoves or ranges for gaseous fuels with heat produced solely by flame
- F24C3/027—Ranges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2209/00—Safety arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The invention relates to a burner for a stove provided with an upper layer and a lower layer of flame holes (7U, 7L). The burner is provided with a burner body (4), a lower burner cover (5) and an upper burner cover (6), wherein the burner body is formed by three cylinders from the inside to the outside; the inner circumference of the lower burner cover is vertically provided with a cylindrical part (5b) inserted on a middle cylinder (4b) of the burner body, and the lower layer of flame holes is determined between an outside cylinder (4a) of the burner body and the lower burner cover; the inner circumference of the upper burner cover is vertically provided with a cylindrical part (6a) inserted on an inside cylinder (4c) of the burner body, and the upper layer of flame holes is determined between the lower burner cover and the upper burner cover; and the burner for the stove solves the problem that the burner is forgotten to be arranged on one of the upper and the burner cover, and the cleaning is easy at the same time. The burner adopts a solution that the burner for the stove is provided with a connecting device (14) connecting the lower burner cover and the upper burner cover without separation, and the connecting device is formed by permitting that the upper burner cover carries out vertical fixed distance motion relatively to the lower burner cover.
Description
Technical field
The present invention relates to have the burner for stove of two-layer glory hole up and down.
Background technology
In the past, as this burner for stove, known had following a kind of burner, that is: this burner has the following burner lid of burner body, ring-type and the last burner lid of ring-type, and wherein, this burner body is made of inside and outside triple cylindrical shells; Place of interior week at following burner lid is vertically installed with the tube portion on the middle cylindrical shell that is entrenched in burner body, and determines lower floor's glory hole between the outside cylindrical shell of following burner lid and burner body; Place of interior week at last burner lid is vertically installed with the tube portion on the inboard cylindrical shell that is entrenched in burner body, and goes up between burner lid and the following burner lid and determine upper strata glory hole (for example, with reference to patent documentation 1).
But the burner lid of installing on the common burner for stove has only one, and it is more special to resemble the above-mentioned burner for stove that has two burner lids up and down in the past.Therefore, the user might forget to install down in the burner lid behind the cleaning burner.In this case, can carry out following consideration: burner lid becomes one about making, and punches on burner lid, forms the upper strata glory hole by these holes.But like this, the upper strata glory hole is because of under the situation of boiling overflow and stopping up, the difficulty that cleaning can become.
Patent documentation 1: No. 3586974 communique of patent.
Summary of the invention
In view of the above problems, problem of the present invention is to provide a kind of burner for stove, and it can prevent to forget one the situation of installing down in the burner lid definitely, makes cleaning also become easy simultaneously.
In order to solve above-mentioned problem, the invention provides and have the burner for stove of two-layer glory hole up and down, this burner for stove has the following burner lid of burner body, ring-type and the last burner lid of ring-type, and wherein, this burner body is made of inside and outside triple cylindrical shells; Place of interior week at following burner lid is vertically installed with the tube portion on the middle cylindrical shell that is entrenched in burner body, and determines lower floor's glory hole between the outside cylindrical shell of following burner lid and burner body; Place of interior week at last burner lid is vertically installed with the tube portion on the inboard cylindrical shell that is entrenched in burner body, and should goes up between burner lid and the following burner lid and determine the upper strata glory hole; It is characterized in that, this burner for stove also has the hookup mechanism that will descend burner lid and last burner lid not to link discretely, and this hookup mechanism constitutes to allow that upward burner lid is done the mode of deciding Cheng Yidong with respect to following burner lid on above-below direction.
According to the present invention, because down burner lid and last burner lid are linked by hookup mechanism, so two burner lids can be used as single parts and use up and down.Therefore, can prevent to forget one the situation of installing down in the burner lid definitely.And, in the present invention, can on above-below direction, do with respect to following burner lid because of last burner lid and to decide Cheng Yidong, so after will going up burner lid and drawing back above the burner lid down, can guarantee to exist sweeper prodigiosin such as brush to insert wherein gap between the two.Therefore, even the upper strata glory hole of determining between following burner lid and the last burner lid stops up because of boiling overflow, also can use cleaning device easily to clean the upper strata glory hole, maintainability also improves.
In addition, in the present invention, hookup mechanism constitutes goodly with following, links down burner lid and last burner lid in the mode that has end-play that is:.Thus, even misalignment has taken place for the middle cylindrical shell of burner body and inboard cylindrical shell, the tube portion in week in the burner lid and the tube portion in interior week of last burner lid are entrenched on the middle cylindrical shell and inboard cylindrical shell of burner body respectively.
Description of drawings
Fig. 1 is the cutaway view of the burner of embodiment of the present invention.
Fig. 2 is the stereogram of the burner of embodiment.
Fig. 3 is the vertical view of following burner lid of the burner of embodiment.
Fig. 4 is expression with the last burner lid of the burner of the embodiment cutaway view from the major part of descending the state after burner lid draws back.
Fig. 5 is the cutaway view of major part of the variation of expression hookup mechanism.
Symbol description
3... burner for stove; 4... burner body; 4a... outside cylindrical shell; 4b... middle cylindrical shell; 4c... inboard cylindrical shell; 5... following burner lid; 5a... tube portion; 6... last burner lid; 6a... tube portion; 7U... upper strata glory hole; 7L.. lower floor's glory hole; 14... hookup mechanism
The specific embodiment
With reference to Fig. 1,1 expression stove body, 2 expressions cover the panel of the upper surface of stove body 1,3 expression burner for stove.On panel 2, have burner opening 2a.In addition, on panel 2, be placed with the support that has omitted in the diagram with the mode of opening 2a to surround burner.And the cooking container that is placed on the support is heated by burner 3.
Burner 3 has the burner body 4 of slotting burner with opening 2a.Burner body 4 is made of inside and outside triple cylindrical shells, these triple cylindrical shells promptly: outside cylindrical shell 4a, middle cylindrical shell 4b and inboard cylindrical shell 4c.In addition, burner 3 has the following burner lid 5 of ring-type and the last burner lid 6 of ring-type, wherein, place of interior week at this time burner lid 5, be vertically installed with the 5a of tube portion on the middle cylindrical shell 4b that is entrenched in burner body 4, the place of interior week of burner lid 6 is vertically installed with the 6a of tube portion on the inboard cylindrical shell 4c that is entrenched in burner body 4 on this.
With reference to Fig. 2, at the lower surface peripheral part place of following burner lid 5, give prominence to being provided with a plurality of profiles of tooth, these profiles of tooth exist at interval in a circumferential direction, between the outside of burner body 4 cylindrical shell 4a and following burner lid 5, determine the glory hole 7L of lower floor by the gap between these profiles of tooth.In addition, also outstandingly at the upper surface peripheral part place of following burner lid 5 be provided with a plurality of profiles of tooth, these profiles of tooth exist at interval in a circumferential direction, down between burner lid 5 and the last burner lid 6, determine upper strata glory hole 7U by the gap between these profiles of tooth., with the corresponding to a plurality of places of a plurality of support pawls of support, upper strata glory hole 7U is not set in a circumferential direction herein, imperfect combustion takes place to prevent flame from touching the support pawl.Therefore, the number of lower floor's glory hole 7L will be a little more than the number of upper strata glory hole 7U.But each area of the glory hole 7L of lower floor is far smaller than each area of upper strata glory hole 7U, and therefore, the gross area of the glory hole 7L of lower floor is just less than the gross area of upper strata glory hole 7U.
Burner 3 further has first mixing tube 8U that is used for upper strata glory hole 7U and the second mixing tube 8L that is used for the glory hole 7L of lower floor, wherein, this first mixing tube 8U is communicated in the middle cylindrical shell 4b of burner body 4 and the space between the inboard cylindrical shell 4c, and this second mixing tube 8L is communicated in the outside cylindrical shell 4a of burner body 4 and the space between the middle cylindrical shell 4b.And, the upper reaches end of each mixing tube 8U, 8L facing to first and second, be provided with each nozzle 9U, 9L of first and second, mix in each mixing tube 8U, 8L from the fuel gas and the primary air of this each nozzle 9U, 9L ejection of first and second, will supply with corresponding each glory hole 7U, 7L from the mist of each mixing tube 8U, 8L.Thus, can carry out large-scale change to firepower from strong fiery state to weak fiery state, wherein, this strong fiery state is the state when burning with upper strata glory hole 7U and the glory hole 7L of lower floor simultaneously, and this weak fiery state is the state when only burning with the glory hole 7L of lower floor.
In addition, on the cylindrical shell 4a of the outside of burner body 4, be provided with the skirt section 4d that end periphery is from it extended downwards.And, being inserted with cover ring 10 outside on the 4d of skirt section, the burner opening 2a of these cover ring 10 cover plates 2 can prevent to boil the soup juice spontaneous combustion device that overflows by cover ring 10 and enter with opening 2a.
Spark plug 11 and flame detecting element 12 are housed on burner 3, wherein, the glory hole 7L of this 11 pairs of lower floor of spark plug lights a fire, this flame detecting element 12 is positioned at the opposite side of the position of spark plug 11 with respect to the circumferencial direction of burner head, and is made of the thermocouple of the flame that detects the glory hole 7L of lower floor.In addition, on following burner lid 5, be equipped with and spark plug 11 5b of target portion in opposite directions.Cooking bottom temperature sensor 13 further is housed on burner 3, and this cooking bottom temperature sensor 13 is positioned at all spaces of the burner that is surrounded by burner body 4, and the temperature of cooking container is detected.
But different with the common burner for stove that only has a burner lid, the burner 3 of present embodiment has two burner lids 5,6 up and down, so behind cleaning burner 3, might forget to install in following two burner lids 5,6.And, in case forgotten to install one of them burner lid, will burn bad or crude fuel gas releases or situation such as back-fire.Therefore, in the present embodiment, burner for stove has the hookup mechanism 14 that will descend burner lid 5 and last burner lid 6 not to link discretely.
With reference to Fig. 1, Fig. 3, hookup mechanism 14 is made of the spring member 143 and the recessed portion 144 that owes of calvus 141, groove 142, ring-type, and wherein, calvus 141 is vertically installed in circumferential three places of the lower surface of burner lid 6; Groove 142 is formed at protuberance 5c place, and this protuberance 5c is arranged at down circumferential three places of the upper surface of burner lid 5, in each calvus 141 insertion groove 142; Spring member 143 is supported by three calvus 141 with the form that does not come off downwards; The recessed portion 144 that owes is formed at groove 142 cell wall place, both sides in a circumferential direction, and accepts spring member 143.Spring member 143 is cut a place in a circumferential direction.In addition, the inner edge of calvus 141 tilts towards the top and to radially inner side.And, when following burner lid 5 is assembled with last burner lid 6, spring member 143 is pushed down into the inner edge of calvus 141 at the state that is supported by protuberance 5c, and this spring member 143 is diameter reduction for the moment, the enlarged diameter and clamp-on recessed owing in the portion 144 by elastic restoring force.
According to above formation, when mentioning burner lid 6, spring member 143 is fastened on the recessed upper limb of owing portion 144, and the above burner lid 6 of institute can not separated by underfire device lid 5.Therefore, two burner lids 5,6 just use as single member up and down, have prevented to forget to install one situation in two burner lids 5,6 definitely.
In addition, be placed on down under the state above the burner lid 5 gap between spring member 143 and the recessed upper limb of owing portion 144 on the generation above-below direction will going up burner lid 6.Therefore, last burner lid 6 can move for deciding Cheng Jinhang with this gap length on above-below direction with respect to following burner lid 5.Thus, as shown in Figure 4, last burner lid 6 is drawn back to the top of following burner lid 5, can guarantee that both exist between 5,6 sweeper prodigiosin such as brush to insert wherein gap.Therefore, even the upper strata glory hole 7U that determines between following burner lid 5 and the last burner lid 6 stops up because of boiling overflow, also can easily clean upper strata glory hole 7U with cleaning device.
In addition, because the manufacturing tolerance of burner body 4, what can generative center depart from the middle cylindrical shell 4b of burner body 4 and inboard cylindrical shell 4c.At this, if last burner lid 6 is with respect to burner lid 5 maintenances are radially motionless down, under the situation that middle cylindrical shell 4b and inboard cylindrical shell 4c generative center depart from, even on the cylindrical shell 4b, the 6a of tube portion of last burner lid 6 can not be entrenched on the inboard cylindrical shell 4c in the middle of the 5a of tube portion of following burner lid 5 can be entrenched in.
Therefore, in the present embodiment, guarantee that groove 142 has the gap between wall on the radial outside and calvus 141, link burner lid 5 and last burner lid 6 down in the mode of the play that has this gap length.Thus, even middle cylindrical shell 4b and inboard cylindrical shell 4c generative center depart from, the 6a of tube portion of the 5a of tube portion of following burner lid 5 and last burner lid 6 also can be entrenched in respectively on the middle cylindrical shell 4b and inboard cylindrical shell 4c of burner body 4 without barrier.
Fig. 5 represents the variation of hookup mechanism 14.In this variation, hookup mechanism 14 has bolt 145 and forked holding section 146, and wherein, bolt 145 is pressed into and is fixed among the shrinkage pool 6b, and this shrinkage pool 6b is formed at the lower surface place of burner lid 6; The upper end of the 5a of tube portion of holding section 146 underfire devices lid 5 is outstanding to the inside to clamp bolt 145.
In this variation, when mentioning burner lid 6, the large-diameter portion 145a of bolt 145 lower ends is fastened on 146 places, holding section.Therefore, last burner lid 6 can not separated by underfire device lid 5.In addition, under the state under last burner lid 6 is placed on above the burner lid 5, the large-diameter portion 145a of bolt 145 is positioned at the predetermined distance place of 146 belows, holding section.Therefore, last burner lid 6 can move for deciding Cheng Jinhang apart from size with this on above-below direction with respect to following burner lid 5.And, guarantee gapped between the inner peripheral surface of the 5a of tube portion of bolt 145 and following burner lid 5.Therefore, following burner lid 5 and last burner lid 6 are bonded in the mode of the play that has this gap length.Its result, this variation also can obtain the action effect same with above-mentioned embodiment.
More than, with reference to diagram embodiments of the present invention are illustrated, but the present invention is not restricted to this.For example, in the above-described embodiment, supply with mist to upper strata glory hole 7U and the glory hole 7L of lower floor, but also can supply with mist to upper strata glory hole 7U and the glory hole 7L of lower floor from a common mixing tube from different mixing tube 8U, 8L.In addition, in the above-described embodiment, on the upper surface of following burner lid 5, give prominence to and be provided with a plurality of profiles of tooth, determined upper strata glory hole 7U, a plurality of profiles of tooth being set, determine upper strata glory hole 7U but also can on the lower surface of last burner lid 6, give prominence to.
Claims (2)
1. one kind has the burner for stove of two-layer glory hole up and down, and it has the following burner lid of burner body, ring-type and the last burner lid of ring-type, and wherein, described burner body is made of inside and outside triple cylindrical shells; On the interior week of described following burner lid, be vertically installed with the tube portion on the middle cylindrical shell that is entrenched in described burner body, determine lower floor's glory hole between the outside cylindrical shell of described burner body and the described following burner lid; On the interior week of burner lid, be vertically installed with the tube portion on the inboard cylindrical shell that is entrenched in described burner body on described, described burner lid down and described going up between the burner lid are determined the upper strata glory hole; It is characterized in that, described burner for stove has the hookup mechanism that will descend burner lid and last burner lid not to link discretely, and described hookup mechanism constitutes to allow that upward burner lid is done the mode of deciding Cheng Yidong with respect to following burner lid on above-below direction.
2. burner for stove as claimed in claim 1 is characterized in that, described hookup mechanism links described burner lid down and the described burner lid of going up in the mode that has end-play.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007230319A JP4411467B2 (en) | 2007-09-05 | 2007-09-05 | Stove burner |
| JP2007-230319 | 2007-09-05 | ||
| JP2007230319 | 2007-09-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101382285A CN101382285A (en) | 2009-03-11 |
| CN101382285B true CN101382285B (en) | 2011-07-27 |
Family
ID=40462259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102151439A Active CN101382285B (en) | 2007-09-05 | 2008-09-03 | Burner for stove |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4411467B2 (en) |
| KR (1) | KR100977127B1 (en) |
| CN (1) | CN101382285B (en) |
| TW (1) | TW200912213A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767848B (en) * | 2012-08-13 | 2015-04-22 | 中山维佳厨卫有限公司 | Stratified-combustion gas stove |
| CN105276581B (en) * | 2014-06-18 | 2018-12-21 | 林内株式会社 | Furnace combustor twin-jet nozzle |
| CN106322376B (en) * | 2015-07-10 | 2019-06-18 | 林内株式会社 | Burner for stove |
| CN106338062B (en) * | 2015-07-15 | 2019-06-18 | 林内株式会社 | Burner for stove |
| CN106152139B (en) * | 2016-08-26 | 2018-12-21 | 宁波方太厨具有限公司 | A kind of flame cover for gas range |
| JP7164392B2 (en) * | 2018-10-23 | 2022-11-01 | リンナイ株式会社 | stove burner |
| JP7115969B2 (en) * | 2018-12-11 | 2022-08-09 | リンナイ株式会社 | Burners for stoves and gas stoves |
| JP7181826B2 (en) * | 2019-03-27 | 2022-12-01 | リンナイ株式会社 | stove burner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3442835A1 (en) * | 1984-11-23 | 1986-06-05 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Closure device for a cover plate of a housing opening on a domestic appliance |
| US5160255A (en) * | 1991-09-13 | 1992-11-03 | Robertshaw Controls Company | Burner construction and igniter assembly therefor |
| US5639232A (en) * | 1995-06-26 | 1997-06-17 | Middleby Marshall Inc. | Gas burner |
| CN2280859Y (en) * | 1996-09-29 | 1998-05-06 | 杨添乐 | Energy-saving gasifying stove |
| CN2441051Y (en) * | 2000-09-11 | 2001-08-01 | 湖南迅达集团有限公司 | Vortex cap for gas burner |
| JP3586974B2 (en) * | 1996-05-17 | 2004-11-10 | パロマ工業株式会社 | Gas cooker burner |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49146550U (en) | 1973-04-13 | 1974-12-18 | ||
| JP2506954B2 (en) * | 1988-07-06 | 1996-06-12 | 松下電器産業株式会社 | Gas stove |
| KR19990030022U (en) * | 1997-12-29 | 1999-07-26 | 윤홍구 | Burner cap connection structure of gas cooking equipment |
-
2007
- 2007-09-05 JP JP2007230319A patent/JP4411467B2/en active Active
-
2008
- 2008-07-30 TW TW097128762A patent/TW200912213A/en unknown
- 2008-08-28 KR KR1020080084304A patent/KR100977127B1/en active IP Right Grant
- 2008-09-03 CN CN2008102151439A patent/CN101382285B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3442835A1 (en) * | 1984-11-23 | 1986-06-05 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Closure device for a cover plate of a housing opening on a domestic appliance |
| US5160255A (en) * | 1991-09-13 | 1992-11-03 | Robertshaw Controls Company | Burner construction and igniter assembly therefor |
| US5639232A (en) * | 1995-06-26 | 1997-06-17 | Middleby Marshall Inc. | Gas burner |
| JP3586974B2 (en) * | 1996-05-17 | 2004-11-10 | パロマ工業株式会社 | Gas cooker burner |
| CN2280859Y (en) * | 1996-09-29 | 1998-05-06 | 杨添乐 | Energy-saving gasifying stove |
| CN2441051Y (en) * | 2000-09-11 | 2001-08-01 | 湖南迅达集团有限公司 | Vortex cap for gas burner |
Non-Patent Citations (1)
| Title |
|---|
| JP特许第3586974号B2 2004.11.10 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101382285A (en) | 2009-03-11 |
| TW200912213A (en) | 2009-03-16 |
| JP4411467B2 (en) | 2010-02-10 |
| JP2009063201A (en) | 2009-03-26 |
| KR20090025148A (en) | 2009-03-10 |
| KR100977127B1 (en) | 2010-08-23 |
| TWI354085B (en) | 2011-12-11 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |