CN102906501B - There is the gas burner of multiple flame rings - Google Patents
There is the gas burner of multiple flame rings Download PDFInfo
- Publication number
- CN102906501B CN102906501B CN201180024576.6A CN201180024576A CN102906501B CN 102906501 B CN102906501 B CN 102906501B CN 201180024576 A CN201180024576 A CN 201180024576A CN 102906501 B CN102906501 B CN 102906501B
- Authority
- CN
- China
- Prior art keywords
- ejector
- burner
- flame separate
- separate orchestration
- keeper
- 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
- 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
-
- 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
- F23D14/62—Mixing devices; Mixing tubes
- F23D14/64—Mixing devices; Mixing tubes with injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2203/00—Gaseous fuel burners
- F23D2203/007—Mixing tubes, air supply regulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/14—Special features of gas burners
- F23D2900/14062—Special features of gas burners for cooking ranges having multiple flame rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/14—Special features of gas burners
- F23D2900/14063—Special features of gas burners for cooking ranges having one flame ring fed by multiple venturis
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Abstract
A kind of gas burner with multiple flame rings, including: ejector keeper part (2)；Flame separate orchestration (4), has the outer portion (26) of annular shape generally and the most round-shaped interior part (28)；nullBe used at the device (6) of outer portion described in closed upper part and interior part，It is characterized in that: described ejector keeper part (2) is with at least two ejector (20 being applied to substantially vertical axis thereon，20 ')，Described vertical axis is arranged in the substantially diametral plane of described burner，Described flame separate orchestration (4) includes the conduit (46 that at least two is substantially vertical，46 ')，The substantially vertical vessel cover of described at least two two ejectors (20 to described ejector keeper (2)，20 ') horizontal Venturi effect room and on top is led to，Described horizontal Venturi effect room is defined by described locking device (6) on top，Two conduits (36 are passed through in the region in downstream, described horizontal Venturi effect room，60) the interior part (28) of described flame separate orchestration (4) it is fluidly connected to.
Description
Technical field
The present invention relates to a kind of gas burner with multiple flame rings.
Background technology
The known single control gas burner with multiple concentric flame ring, i.e. the burner that fuel gas supply is controlled by single cock.These burners generally include: ejector keeper cup；Flame separate orchestration, this flame separate orchestration is shelved on ejector keeper cup and is formed by two parts, and these two parts are joined together to form inside center part and outer annular portions；Annular cover, this annular cover closes the annular section of flame separate orchestration；With plate-like lid, the core of this plate-like closed with covers flame separate orchestration.
It is thus known that the gas burner with multiple concentric ring formed by the total of five element fitted together.
One in these known burner is such as described in EP-B1-0797048.
Summary of the invention
It is an object of the invention to provide the gas burner of a kind of multiple concentric ring type, wherein the quantity of parts reduces.
It is a further object of the present invention to provide the gas burner of a kind of multiple concentric ring type, this gas burner has limited total height, so as to be arranged on traditional built-in cooking frame.
It is a further object of the present invention to provide the burner of a kind of multiple concentric ring type, wherein primary air is inhaled into above cooking frame, in order to prevent shove (steaming), i.e. throwing open flame disturbance when being arranged in the fire door below cooking frame or furniture.
According to the present invention, by the gas burner with multiple concentric ring as described in claim 1, it is thus achieved that the these and other objects that will be apparent from from explained below.
Accompanying drawing explanation
The some currently preferred embodiments of the present invention described below with reference to accompanying drawing is further elucidated with the present invention, wherein:
Fig. 1 is the decomposition diagram seen from above of the first embodiment of the burner according to the present invention,
Fig. 2 is its decomposition diagram seen from below,
What Fig. 3 was mounted on cooking frame is in its perspective view of its assembled state,
Fig. 4 is with its perspective view shown in vertical section,
Fig. 5 with its second embodiment shown in the view identical with Fig. 4, and
Fig. 6 illustrates its 3rd embodiment with three ejectors.
Detailed description of the invention
As from figure it can be seen that, in the embodiment illustrated in figures 1-4, the burner of the present invention includes three basic elements of character, and these three basic elements of character are made up of ejector keeper 2, flame separate orchestration 4 and lid 6.
Ejector keeper 2 has the most elongated extending and be configured to limit two cups 8 linked together by two baffle plates 10.These two cups are closed in bottom and sidepiece and open wide at their top, and wherein sidewall is provided with flange 12 outwardly, in order on the downside of the metallic plate being shelved on cooking frame 14, and this burner is fixed to this cooking frame by screw.
The sidewall of each cup 8 extends upwardly beyond flange 12 to form frame 16, and this frame exposes and serve as the support component for flame separate orchestration 4 from cooking frame 14.
Ejector keeper 2 also includes fuel gas supply conduit 18；Fuel gas supply conduit the base portion of two cups 8 lower horizontal extend, and one open ended in case combustion gas enter and connect with two ejectors 20 of the base portion being medially tightened to cup.
Flame separate orchestration 4 is shelved on ejector keeper 2 and two downward projection of shaped projection 22 is shelved on the upper side frame 16 of two cups 8.These shaped projections 22 are not to extend along the whole extension of corresponding upper side frame 16, but the inside only along two sidepieces of upper side frame and along upper side frame extends, in order to limit two holes between flame separate orchestration 4 and ejector keeper 2 to derive from the primary air above cooking frame 14 and entering in two cups 8.
Flame separate orchestration 4 is felt relieved around ejector keeper 2 by projection 24, and described projection downwardly extends and be attached to by vertical edge, their outside the inner surface of the sidewall of two cups 8 from flame separate orchestration 4.
Flame separate orchestration 4 includes the outer portion 26 of annular shape generally and the most round-shaped interior part 28.
More specifically, outer portion 26 has outer rim 30 and interior frame 32, this outer rim 30 circumferentially extends, and some part of this interior frame extends along the circumference with the circumferential concentric of outer rim 30, then curves inwardly to be connected to the circular frame 34 of interior part 28.By this way, it is thus achieved that two conduits 36 generally radially, described conduit provides fluidly connecting between circular interior part 28 and the outer portion 26 of annular of flame separate orchestration 4.Therefore, the two part is defined by single continuous print frame, this single continuous print frame includes multiple master port 38 and time port 40 along its whole extension (part except relevant to two radial channels 36), the plurality of master port and time port form the outer shroud of flame outwardly on frame 30, frame 32 forms the adapter ring of the flame being directed inwardly toward, and on frame 34, forms the internal ring of flame outwardly.
Two frames defining radial channels 36 also have secondary aperture 42, its objective is from adapter ring, flame is transferred to internal ring.
Additionally, arrange two conduits 43 in the outer portion 26 of flame separate orchestration 4, the two conduit is provided with two little ports 44 mutually to light a fire between the flame and adapter ring and the flame of internal ring of outer shroud.
Flame separate orchestration 4 also includes two vertical conduits 46, this vertical conduit is at two ejectors 20 faced by their bottom, and open wide at projection 48 on top, this projection limits the bottom of two Venturi effect rooms, this venturi effect compartment is defined by lid 6 on top, and described lid is shelved on flame separate orchestration 4 at four centering posts 50 in being arranged on flame separate orchestration.
When flame separate orchestration 4 is shelved on the upper side frame 16 of two cups 8 by its shaped projection 22, flame separate orchestration keeps at a distance with the metallic plate of cooking frame 14, to determine the path for auxiliary air with metallic plate, this auxiliary air is for the interior part 28 of flame separate orchestration.
Lid 6 is formed as single part and includes annular, outer 52, plate-like internal 54 and two radially connected parts of molding 56.
The burner of this embodiment operates in the following manner: the path indicated according to the arrow 58 in Fig. 4, the combustion gas entered from conduit 18 is left from ejector 20, and two the vertical conduits 46 entering flame separate orchestration 4, thus carry primary air secretly, this primary air is inhaled into above cooking frame 14 by the hole limited by the outside of the shaped projection 22 of each cup 8 and flame separate orchestration above.
The stream of the combustion gas and primary air that start mixing in each of vertical conduit 46 completes its mixing in corresponding radial direction venturi chamber, and this venturi chamber is limited by the surface of projection 48 in bottom and limited by lid 6 on top.
Then the mixture obtained by this way propagates to supply two rings of its outer and middle flame along the annular section 26 of flame separate orchestration 4, propagates along two radial conduit 36 with the center ring of the internal flame dividing 28 of supply the most further.
According to above-mentioned, it should be apparent that the burner of the present invention has more advantages than traditional many flame rings burner, and specifically:
-it forms by only three parts, and accordingly, because flame separate orchestration is single-piece molding structure and does not machine, therefore it be simple to manufacture and economic,
Although-lid is used for three flame rings burners, but is again formed as a part, burner is again made to be simple to manufacture and economical,
-because using radially venturi mixing chamber, therefore it has little vertically height and is easily mounted in common cooking frame.The fact that there is two mixing chambers mean to be formed than to have the power that the conventional burners of single radial direction venturi mixing chamber is much higher,
-finally, due to primary air is inhaled into above cooking frame time, therefore it is actually insensitive to shoving.
In the embodiment that figure 5 illustrates, the radial channels that the combustion gas/primary air mixture of the burner of the present invention produced by two radial direction venturi chamber is defined by flame separate orchestration and lid the most as in the preceding embodiment is sent to the central interior of flame separate orchestration 4 and divides in 28, but two radial channels 60 defined by flame separate orchestration 4 and ejector keeper 2.For this purpose, ejector keeper 2 is provided with two radial channels 60 in the coupling part between two cups 8, two radial direction venturi mixing chambers are connected to the interior part 28 of flame separate orchestration 4 by these two radial channels, and these two radial channels are additionally provided with baffle plate 62 so that in conduit 60 described in closed upper part.
In this embodiment, its purpose of lid 6(is no longer to define the radial channels of the interior part 28 that two mixing chambers are connected to flame separate orchestration 4 on top) two parts separated can be formed as, its outer portion is sub-circular shape and interior section is disc shaped.
Embodiment shown in Fig. 6 is to add to two cup 8(and is provided with the ejector of correspondence on their base portion in place of being different from previous embodiment) the 3rd center cup 8 ', 3rd center cup is provided with the 3rd ejector 20 ' on its base portion, and the 3rd ejector also connects with same fuel gas supply conduit 18.
In this case, the interior part 28 of flame separate orchestration 4 is connected with cup 8 ' by the vertical conduit 46 ' of himself, supplies combustion gas/primary air mixture by this vertical conduit.
Flame separate orchestration 4 is only partially shelved on the ejector keeper 2 being located below, in order to limit the access aperture for deriving from the primary air above cooking frame.
Claims (12)
1. having a gas burner for multiple flame rings, described gas burner includes: make the ejector keeper (2) of single part；Flame separate orchestration (4), described flame separate orchestration has the outer portion (26) of annular shape generally and the most round-shaped interior part (28)；Be used at the locking device (6) of outer portion described in closed upper part and interior part, it is characterised in that:
Described ejector keeper (2) is with being applied at least two ejector (20,20 ') of substantially vertical axis thereon, and described vertical axis is arranged in the approximate diameter plane of described burner,
Described flame separate orchestration (4) includes the conduit (46 that at least two is substantially vertical, 46 '), the described at least two substantially vertical vessel cover at least two ejector (20 to described ejector keeper (2), 20 ') horizontal Venturi effect room and on top is led to, described horizontal Venturi effect room is defined by described locking device (6) on top
The region in downstream, described horizontal Venturi effect room is fluidly connected to the interior part (28) of described flame separate orchestration (4) by two conduits (36,60)；
At least two ejector (20,20 ') it is applied to described ejector keeper (2), described at least two ejector is arranged on the base portion of at least two cup (8) that top is opened and sidepiece is closed of correspondence, and described at least two cup is with described vertical conduit (46) to corresponding ejector of their sidewall enveloping surface；
Described ejector keeper (2) also includes fuel gas supply conduit (18), described fuel gas supply conduit extends on the lower horizontal ground of the base portion of described at least two cup (8), and it is open ended so that combustion gas enters and connects with described at least two ejector (20,20 ') at one.
2. burner as described in claim 1, it is characterized in that, two ejectors (20) are applied to described ejector keeper (2), said two ejector is arranged on the base portion of the cup (8) that two tops are opened and sidepiece is closed, and described cup is with described vertical conduit (46) to corresponding ejector (20) of their sidewall enveloping surface.
3. the burner as described in any one of aforementioned claim, it is characterized in that, the sidewall of each cup (8) extends upwardly beyond the metallic plate of cooking frame (14) with the form of frame (16), and receive the corresponding shaped projection (22) rested on, described shaped projection is downwardly projected and partly interrupts being formed hole from described flame separate orchestration (4), and the primary air sucked above cooking frame described in described Kong Weicong provides the entrance of the inside leading to described cup.
4. burner as described in claim 3, it is characterized in that, the described flame separate orchestration (4) being shelved on the upper side frame (16) of each cup (8) by its shaped projection (22) keeps described flame separate orchestration to rise the amount that be enough to determine betwixt two paths from the metallic plate of described cooking frame (14), and said two path is used for supplying the auxiliary air of the interior part (28) of described flame separate orchestration (4).
5. burner as described in claim 1, it is characterized in that, the interior part (28) of described flame separate orchestration (4) is the most round-shaped, described outer portion (26) is annular shape generally, including two widened sections, described horizontal Venturi effect room is arranged on said two widened section.
6. burner as described in claim 5, it is characterized in that, the outer portion (26) of described flame separate orchestration (4) has the outer rim (30) circumferentially extended, with interior frame (32), some part of described interior frame extends along at the internal circumference with aforementioned circumferential concentric, and remainder forms two recessed area corresponding with the widened section of described outer portion.
7. burner as described in claim 5, it is characterized in that, the interior part (28) of described flame separate orchestration (4) is defined by frame (34), this frame has round-shaped, in addition to being connected to the part of the outer rim (32) of the outer portion (26) of the annular of described flame separate orchestration.
8. burner as described in claim 7, it is characterized in that, the coupling part between the outer rim (32) of the frame (34) of the interior part (28) of described flame separate orchestration (4) and the outer portion (26) of described flame separate orchestration limits the radial slot road (36) fluidly connected provided between described horizontal Venturi effect room and described interior part (28).
9. burner as described in claim 8, it is characterized in that, described locking device (6) is made up of lid, described lid includes: annular, outer (52), and described annular, outer is used for closing the outer portion (26) of the annular of described flame separate orchestration (4)；Circular interior (54), described circular interior is used for closing the circular interior part (28) of described flame separate orchestration；With two radial directions moulding section (56), described annular, outer (52) and described circular interior (54) are linked together and in radial slot road (36) described in closed upper part by said two radially moulding section.
10. burner as described in claim 1, it is characterized in that, the part described at least two cup (8) linked together of described ejector keeper (2) provides two conduits (60) of the base portion of the interior part (28) that each horizontal Venturi effect room is connected to described flame separate orchestration (4).
11. burners as described in claim 1, it is characterized in that, three ejectors (20,20 ') it is applied to described ejector keeper (2), described three ejectors are arranged on the base portion of three cups (8,8 ') and are substantially aligned in the diametral plane of described burner.
12. burners as described in claim 3, it is characterised in that described cup (8,8 ') is provided with the access aperture for described primary air, and described primary air is inhaled into above described cooking frame.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2010A000023 | 2010-05-19 | ||
| ITVE2010A000023A IT1400182B1 (en) | 2010-05-19 | 2010-05-19 | GAS BURNER WITH MORE FLAME CHAINS. |
| PCT/EP2011/057994 WO2011144630A2 (en) | 2010-05-19 | 2011-05-17 | Gas burner with multiple flame rings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102906501A CN102906501A (en) | 2013-01-30 |
| CN102906501B true CN102906501B (en) | 2016-08-03 |
Family
ID=43064607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180024576.6A Active CN102906501B (en) | 2010-05-19 | 2011-05-17 | There is the gas burner of multiple flame rings |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP2572141B1 (en) |
| CN (1) | CN102906501B (en) |
| BR (1) | BR112012027693B1 (en) |
| ES (1) | ES2526144T3 (en) |
| IT (1) | IT1400182B1 (en) |
| MX (1) | MX345708B (en) |
| PL (1) | PL2572141T3 (en) |
| WO (1) | WO2011144630A2 (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITVE20130027A1 (en) * | 2013-05-29 | 2014-11-30 | Defendi Italy Srl | PERFECTED GAS BURNER. |
| EP3002513B1 (en) * | 2014-09-30 | 2019-01-16 | Electrolux Appliances Aktiebolag | Gas burner assembly for a cooking hob |
| KR102297756B1 (en) * | 2014-12-17 | 2021-09-03 | 엘지전자 주식회사 | Burner |
| KR102297799B1 (en) * | 2014-12-17 | 2021-09-03 | 엘지전자 주식회사 | Burner |
| KR102301481B1 (en) * | 2014-12-17 | 2021-09-14 | 엘지전자 주식회사 | Burner |
| RU2701432C2 (en) * | 2015-03-10 | 2019-09-26 | Дефенди Итали С.Р.Л. | Improved gas burner |
| EP3270056A4 (en) * | 2015-03-13 | 2018-10-17 | Guangdong Midea Kitchen Appliances | Burner |
| WO2016145744A1 (en) * | 2015-03-13 | 2016-09-22 | 广东美的厨房电器制造有限公司 | Burner |
| WO2016145746A1 (en) * | 2015-03-13 | 2016-09-22 | 广东美的厨房电器制造有限公司 | Burner and gas appliance |
| ES2648697B1 (en) * | 2016-07-04 | 2018-10-22 | Bsh Electrodomésticos España, S.A. | GAS BURNER AND DOMESTIC COOKING APPLIANCE |
| ES2717549A1 (en) * | 2017-12-21 | 2019-06-21 | Bsh Electrodomesticos Espana Sa | INJECTOR DEVICE FOR A GAS BURNER OF A DOMESTIC APPLIANCE, GAS BURNER, AND DOMESTIC APPLIANCES (Machine-translation by Google Translate, not legally binding) |
| CN108332238B (en) * | 2018-02-08 | 2020-09-08 | 吴联凯 | Chinese meal type gas stove |
| CN108317544B (en) * | 2018-02-08 | 2019-12-31 | 佛山市顺德区吉孚电器有限公司 | Chinese meal type gas cooking stove |
| IT201900004867A1 (en) * | 2019-04-01 | 2020-10-01 | Sabaf Spa | Gas burner |
| IT202100001640A1 (en) | 2021-01-27 | 2022-07-27 | Sabaf Spa | ATMOSPHERIC GAS BURNER FOR COOKING APPLIANCES. |
| US11940148B2 (en) | 2021-10-28 | 2024-03-26 | Electrolux Appliances Aktiebolag | Multi injection dual ring gas burner for domestic gas cooking units |
| CN114321917B (en) * | 2022-01-26 | 2023-04-07 | 佛山市顺德区美的洗涤电器制造有限公司 | Burner and gas stove |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006051368A1 (en) * | 2004-11-12 | 2006-05-18 | Indesit Company S.P.A. | Improved gas burner system for food cooking |
| CN1920383A (en) * | 2006-09-18 | 2007-02-28 | 谭六明 | Upper air intake type deep internal rotation type burner |
| WO2009078647A2 (en) * | 2007-12-14 | 2009-06-25 | Lg Electronics Inc. | A top-burner and cooker comprising the same |
| CN101487592A (en) * | 2004-02-02 | 2009-07-22 | 电气联合股份有限公司 | Gas burner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE797048T1 (en) | 1996-03-19 | 1998-03-12 | Sabaf Spa | Gas burners for kitchen appliances |
| US7878800B2 (en) * | 2002-11-12 | 2011-02-01 | Sabaf S.P.A. | Gas burner with separate feeding of the flame crowns |
-
2010
- 2010-05-19 IT ITVE2010A000023A patent/IT1400182B1/en active
-
2011
- 2011-05-17 MX MX2012013002A patent/MX345708B/en active IP Right Grant
- 2011-05-17 PL PL11723373T patent/PL2572141T3/en unknown
- 2011-05-17 WO PCT/EP2011/057994 patent/WO2011144630A2/en active Application Filing
- 2011-05-17 ES ES11723373.4T patent/ES2526144T3/en active Active
- 2011-05-17 CN CN201180024576.6A patent/CN102906501B/en active Active
- 2011-05-17 BR BR112012027693-0A patent/BR112012027693B1/en active IP Right Grant
- 2011-05-17 EP EP11723373.4A patent/EP2572141B1/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101487592A (en) * | 2004-02-02 | 2009-07-22 | 电气联合股份有限公司 | Gas burner |
| WO2006051368A1 (en) * | 2004-11-12 | 2006-05-18 | Indesit Company S.P.A. | Improved gas burner system for food cooking |
| CN1920383A (en) * | 2006-09-18 | 2007-02-28 | 谭六明 | Upper air intake type deep internal rotation type burner |
| WO2009078647A2 (en) * | 2007-12-14 | 2009-06-25 | Lg Electronics Inc. | A top-burner and cooker comprising the same |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2526144T3 (en) | 2015-01-07 |
| EP2572141A2 (en) | 2013-03-27 |
| WO2011144630A2 (en) | 2011-11-24 |
| BR112012027693A2 (en) | 2016-08-16 |
| IT1400182B1 (en) | 2013-05-17 |
| ITVE20100023A1 (en) | 2011-11-20 |
| PL2572141T3 (en) | 2015-03-31 |
| EP2572141B1 (en) | 2014-10-15 |
| MX2012013002A (en) | 2013-03-05 |
| WO2011144630A3 (en) | 2012-08-02 |
| CN102906501A (en) | 2013-01-30 |
| BR112012027693B1 (en) | 2020-10-27 |
| MX345708B (en) | 2017-02-13 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200721 Address after: Baden wuertenberg, Germany Patentee after: E. G.O. electric tools Co., Ltd Address before: Carmelano, Italy Patentee before: DEFENDI ITALY S.R.L. |
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| TR01 | Transfer of patent right |