CN204063043U - A kind of fire cover of household gas range and apply the burner of this fire cover - Google Patents
A kind of fire cover of household gas range and apply the burner of this fire cover Download PDFInfo
- Publication number
- CN204063043U CN204063043U CN201420412292.5U CN201420412292U CN204063043U CN 204063043 U CN204063043 U CN 204063043U CN 201420412292 U CN201420412292 U CN 201420412292U CN 204063043 U CN204063043 U CN 204063043U
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- Prior art keywords
- fire cover
- ring
- fire
- air cavity
- passage
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- 230000006698 induction Effects 0.000 claims description 24
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 abstract description 4
- 239000013589 supplement Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Gas Burners (AREA)
Abstract
The utility model discloses a kind of fire cover of household gas range, comprise fire cover body and the upper cover being located at fire cover bodies top, it is characterized in that: fire cover body has internal ring wall and external annulus, the central authorities of internal ring wall form central through hole, circular passage is formed between internal ring wall and external annulus, bottom circular passage, have through hole, upper cover is in the laminated structure being covered with mesh.The invention also discloses a kind of burner applying this fire cover, fire cover is located on mixing chamber, and central through hole and inner ring are mixed air cavity and be connected, and the through hole bottom circular passage mixes air cavity with middle ring and is connected.The utility model has the advantage of: after adopting this fire cover, middle ring needs auxiliary air few, inner ring realizes full premix atmospheric burning type, and burned flame temperature reaches about 1000 °, and flame directly sprays, burning is concentrated, the thermal loss that auxiliary air is taken away is few, and thus the thermal efficiency is better, under the prerequisite ensureing the thermal efficiency, the auxiliary air needed is few, and burner diameter can be relatively little.
Description
Technical field
The utility model relates to the burner of gas kitchen ranges, especially relates to a kind of fire cover of household gas range and applies the burner of this fire cover.
Background technology
At present, the burner of existing many household gas ranges adopts three ring-fire burners, three common ring-fire burners include burner base, burner base is provided with inner ring induction tunnel, middle ring induction tunnel and outer shroud induction tunnel, burner base has inner ring channel, middle ring passage and outer ring channel, inner ring channel is communicated with inner ring induction tunnel, middle ring passage is communicated with middle ring induction tunnel, outer ring channel is communicated with outer shroud induction tunnel, burner base installs mixing chamber, mixing chamber has inner ring and mixes air cavity, middle ring mixes air cavity and outer shroud mixes air cavity, inner ring is mixed air cavity and is communicated with inner ring channel, middle ring mixes air cavity and middle ring channel connection, outer shroud mixes air cavity and is communicated with outer ring channel, accordingly, burner fire lid comprises interior ring fire cover, middle ring fire cover and external ring fire cover, and be located at inner ring respectively and mix air cavity, middle ring mixes the top that air cavity and outer shroud mix air cavity.
If the patent No. is " combined type three ring-fire burner " disclosed in the Chinese utility model patent of ZL 200920236403.0 (Authorization Notice No. is CN 201531880U), this combined type three ring-fire burner is provided with central flame cap, inner fire cover and outer fire cover, above-mentioned three fire covers are that concentric-ring pattern is arranged, burning area is comparatively large and flame distribution is even, in addition, between central flame cap and inner fire cover, axial secondary-air passage is had between inner fire cover and outer fire cover.Although, air required when this combined type three ring-fire burner can supplement fuel gas buring in time, burning is comparatively abundant, in order to avoid the mutual interference between flame, and supplement auxiliary air better, need the diameter of burner to do greatly.In addition, the fire hole of the central flame cap of this combined type three ring-fire burner is located on the sidewall of central flame cap, central flame cap top does not have fire output hole, thus, during burner operation, surrounding is only had to have fire, middle without fire, in order to reduce flue gas, auxiliary air supplements more, and the thermal loss thus taken away also just increases, thus causes the thermal efficiency of burner to reduce.
Utility model content
First technical problem to be solved in the utility model is for above-mentioned prior art present situation, provides a kind of inner ring of fire cover and middle ring to be integrated in one and the fire cover of household gas range that can directly spray straight up of combustion flame.
Second technical problem to be solved in the utility model is for above-mentioned prior art present situation, provides a kind of burner that diameter can be relatively little under the prerequisite guaranteeing the thermal efficiency.
The technical scheme that above-mentioned first technical problem of the utility model solution adopts is: the fire cover of this household gas range, comprise fire cover body and the upper cover being located at fire cover bodies top, it is characterized in that: described fire cover body has internal ring wall and external annulus, the central authorities of described internal ring wall form central through hole, circular passage is formed between described internal ring wall and external annulus, bottom described circular passage, have through hole, described upper cover is in the laminated structure being covered with mesh.
Preferably; described internal ring wall is connected by being connected passageway with between external annulus; described external annulus has thermocouple and protects fiery venthole and igniting venthole; described thermocouple is protected fiery venthole and is connected with described central through hole by described connection passageway, and described igniting venthole is directly connected with described circular passage.
Further preferably, the top in described connection passageway has radial passage, and outer end and the described thermocouple of radial passage are protected fiery venthole and be connected, and the inner of radial passage is connected with described central through hole.
For the ease of manufacturing, described upper cover split-type is arranged on described fire cover body.Certainly, whole fire cover also can be integrative-structure.
Preferably, the percent opening of described upper cover is 35% ~ 60%.As further preferred version, percent opening can be set to 50%.
Preferably, the area being opened in the described mesh covered is 0.5mm
2~ 1.5mm
2.
Preferably, the thickness of described upper cover is 0.5mm ~ 1mm.As further preferred version, thickness can be 0.7mm.
The technical scheme that above-mentioned second technical problem of the utility model solution adopts is: the burner of this this fire cover of application, include burner base, burner base is provided with inner ring induction tunnel, middle ring induction tunnel and outer shroud induction tunnel, described burner base from-inner-to-outer is provided with inner ring channel successively, middle ring passage and outer ring channel, described inner ring channel is connected with inner ring induction tunnel, described middle ring passage is connected with middle ring induction tunnel, described outer ring channel is connected with outer shroud induction tunnel, above described burner base, mixing chamber is installed, described mixing chamber from-inner-to-outer is provided with inner ring successively and mixes air cavity, middle ring mixes air cavity and outer shroud mixes air cavity, described inner ring is mixed air cavity and is connected with inner ring channel, described middle ring mixes air cavity and is connected with middle ring passage, described outer shroud mixes air cavity and is connected with outer ring channel, mixing chamber is provided with and covers outer shroud and mix external ring fire cover on air cavity, its feature is being: described fire cover is located on described mixing chamber, and described central through hole mixes air cavity with described inner ring is connected, through hole bottom described circular passage mixes air cavity with described middle ring and is connected.
Supplement to carry out auxiliary air to outer ring fire near center inner face and middle ring fire, the sidepiece of described mixing chamber is distributed with auxiliary air hole, the annular secondary-air passage communicated with described auxiliary air hole is formed in the inside of mixing chamber, described outer shroud mixes the outside that air cavity is located at annular secondary-air passage, described middle ring mixes air cavity and inner ring mixes the inner side that air cavity is located at annular secondary-air passage, and auxiliary air is by mixed combustion outside annular secondary-air passage and outer ring fire inner face and middle ring fire.
Compared with prior art, the utility model has the advantage of: what fire cover adopted is the integral type fire cover that inner ring and middle ring are integrated, and the upper cover of fire cover adopts the laminated structure being covered with mesh, after burner adopts this fire cover, the air that middle ring fire needs is primary air substantially, the auxiliary air needed is few, interior ring fire is full premix atmospheric burning type, burned flame temperature reaches about 1000 °, and flame can directly spray straight up, burning is concentrated, the thermal loss that auxiliary air is taken away is few, thus ignition temperature is higher, the thermal efficiency is better, and under the prerequisite ensureing the thermal efficiency, the auxiliary air needed is few, burner diameter can be relatively little.
Accompanying drawing explanation
Fig. 1 is the structural representation of fire cover in the utility model embodiment;
Fig. 2 is the perspective exploded view of fire cover shown in Fig. 1;
Fig. 3 is the side view of fire cover shown in Fig. 1;
Fig. 4 is the sectional view of fire cover shown in Fig. 1;
Fig. 5 is for applying the structural representation having the burner of fire cover shown in Fig. 1 in the utility model embodiment;
Fig. 6 is the perspective exploded view of burner shown in Fig. 5;
Fig. 7 is the structural representation of burner base in burner shown in Fig. 5;
Fig. 8 is the structural representation of mixing chamber in burner shown in Fig. 5.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in Figures 1 to 4, the fire cover of the household gas range in the present embodiment comprises fire cover body 1 and is located at the upper cover 2 of fire cover bodies top, is Split type structure between upper cover 2 and fire cover body 1.
Fire cover body 1 adopts copper material to make and has internal ring wall 11 and external annulus 12, the central authorities of internal ring wall 11 form central through hole 13, central authorities' through hole 13 is positioned at the central authorities of whole fire cover body 1, form circular passage 14 between internal ring wall 11 and external annulus 12, bottom circular passage 14, have through hole 15.Be connected by being connected passageway 16 between internal ring wall 11 with external annulus 12; the top connecting passageway 16 has radial passage 19; external annulus 12 has thermocouple and protects fiery venthole 17 and igniting venthole 18; outer end and the thermocouple of radial passage 19 are protected fiery venthole 17 and are connected; the inner of radial passage 19 is connected with central through hole 13; like this, thermocouple is protected fiery venthole 17 and is just connected with central through hole 13 by connecting passageway 16, and venthole 18 of lighting a fire directly is connected with circular passage 14.
Upper cover 2 is in the laminated structure being covered with mesh 21, and namely upper cover 2 is the thin mesh sheet of porous, and the percent opening of upper cover 2 is 35% ~ 60%, is preferably 50%.The area of mesh 21 is 0.5mm
2~ 1.5mm
2.The thickness of upper cover is 0.5mm ~ 1mm, is preferably 0.7mm.
As shown in Fig. 5 to Fig. 8, burner in the present embodiment comprises burner base 3, burner base 3 is provided with inner ring induction tunnel 41, middle ring induction tunnel 42 and outer shroud induction tunnel 43, burner base 3 from-inner-to-outer is provided with inner ring channel 31, middle ring passage 32 and outer ring channel 33 successively, wherein, inner ring channel 31 is connected with inner ring induction tunnel 41, middle ring passage 32 is connected with middle ring induction tunnel 42, and outer ring channel 33 is connected with outer shroud induction tunnel 43.Mixing chamber 5 is installed above burner base 3, mixing chamber 5 from-inner-to-outer is provided with that inner ring mixes air cavity 51, middle ring mixes air cavity 52 and outer shroud mixes air cavity 53 successively, inner ring is mixed air cavity 51 and is connected with inner ring channel 31, middle ring mixes air cavity 52 and is connected with middle ring passage 32, and outer shroud mixes air cavity 53 and is connected with outer ring channel 33.This burner includes two burner fire lids, one of them burner fire lid is the fire cover shown in Fig. 1, this fire cover is located on mixing chamber 5, and the central through hole 13 in fire cover and inner ring are mixed air cavity 51 and be connected, and the through hole 15 bottom circular passage 14 and middle ring mix air cavity 52 and be connected; Another burner fire lid is external ring fire cover 6, and this external ring fire cover 6 to be located on mixing chamber 5 and to be covered outer shroud and mixes on air cavity 53, and the angle that fires of external ring fire cover is preferably 45 °.
In addition, supplement to carry out auxiliary air to outer ring fire near center inner face and middle ring fire, the sidepiece of mixing chamber 5 is evenly equipped with four auxiliary air holes 54, the annular secondary-air passage 55 communicated with auxiliary air hole 54 is formed in the inside of mixing chamber 5, wherein, middle ring mixes air cavity 52 and inner ring mixes the inner side that air cavity 51 is located at annular secondary-air passage 55, and auxiliary air is by mixed combustion outside annular secondary-air passage and outer ring fire inner face and middle ring fire.During burner operation, the auxiliary air filled into from auxiliary air hole 54 enters annular secondary-air passage 55, is supplemented to middle ring fire by the inner side 18 of secondary-air passage 55, thus makes burning more abundant.Outer shroud mixes the outside that air cavity 53 is located at annular secondary-air passage 55, and the auxiliary air of outer ring fire directly supplements from the fire hole of external ring fire cover 6, and the air part filled into from auxiliary air hole 54 is supplemented to outer ring fire.In addition, auxiliary air cannot supplement to interior ring fire, and therefore, ring fire required air is all that primary air supplements.
From the structure of said burner, this burner adopts outer ring portion premixed combustion and this full premix of middle cyclic group, the combustion system that inner ring full premix combustion combines, middle ring, the auxiliary air that inner ring needs is less, such benefit is ensureing under larger load, the diameter of burner can be smaller, during inner ring full premix combustion, ignition temperature is high, burned flame temperature can reach 1000 °, and the flame temperature of normal atmospheric formula burner inner ring is about 700-800 °, therefore and middle ring smaller at guarantee burner diameter, under the prerequisite that inner ring ignition temperature is high, effectively can improve the thermal efficiency.Further, because inner ring and middle ring adopt integral type fire cover, the structure that ordinary copper fire cover and the thin mesh sheet of porous combine namely is adopted, flame directly sprays straight up from mesh 21, burning is concentrated, and the thermal loss that auxiliary air is taken away is less, thus improves the thermal efficiency of burner.Ordinary burner inner ring, in order to reduce flue gas, only has surrounding to have fire, and middle without fire, auxiliary air supplements more, and the thermal loss thus taken away also just increases, and the thermal efficiency reduces.After tested, the thermal efficiency of this burner reaches more than 64%, and the common burner with high efficiency thermal efficiency is on the market about 60%, and the thermal efficiency of this burner promotes comparatively obvious as seen.
In addition, this burner adopts independently triple channel, and burner independently provides a passage to little fire, and inner ring adopts constant Smaller load to protect fire to thermocouple, and minimum load can be constant in 150 ~ 200w, therefore fire hole intensity when ensure that little fire.
Claims (9)
1. the fire cover of a household gas range, comprise fire cover body (1) and be located at the upper cover (2) of fire cover bodies top, it is characterized in that: described fire cover body (1) has internal ring wall (11) and external annulus (12), the central authorities of described internal ring wall (11) form central through hole (13), circular passage (14) is formed between described internal ring wall (11) and external annulus (12), have through hole (15) in described circular passage (14) bottom, described upper cover (2) is in the laminated structure being covered with mesh (21).
2. the fire cover of household gas range according to claim 1; it is characterized in that: described internal ring wall (11) is connected by being connected passageway (16) with between external annulus (12); described external annulus (12) has thermocouple and protects fiery venthole (17) and igniting venthole (18); described thermocouple is protected fiery venthole (17) and is connected with described central through hole (13) by described connection passageway (16), and described igniting venthole (18) is directly connected with described circular passage (14).
3. the fire cover of household gas range according to claim 2; it is characterized in that: the top of described connection passageway (16) has radial passage (19); outer end and the described thermocouple of radial passage (19) are protected fiery venthole (17) and are connected, and the inner of radial passage (19) is connected with described central through hole (13).
4. the fire cover of household gas range according to claim 2, is characterized in that: described upper cover (2) split is arranged on described fire cover body (1).
5. the fire cover of household gas range according to claim 2, is characterized in that: the percent opening of described upper cover (2) is 35% ~ 60%.
6. the fire cover of household gas range according to claim 2, is characterized in that: the area being opened in the described mesh (21) on upper cover (2) is 0.5mm
2~ 1.5mm
2.
7. the fire cover of household gas range according to claim 2, is characterized in that: the thickness of described upper cover (2) is 0.5mm ~ 1mm.
8. an application rights requires the burner of fire cover described in arbitrary claim in 2 to 7, include burner base (3), burner base (3) is provided with inner ring induction tunnel (41), middle ring induction tunnel (42) and outer shroud induction tunnel (43), described burner base (3) from-inner-to-outer is provided with inner ring channel (31) successively, middle ring passage (32) and outer ring channel (33), described inner ring channel (31) is connected with inner ring induction tunnel (41), described middle ring passage (32) is connected with middle ring induction tunnel (42), described outer ring channel (33) is connected with outer shroud induction tunnel (43), in described burner base (3) top, mixing chamber (5) is installed, described mixing chamber (5) from-inner-to-outer is provided with inner ring successively and mixes air cavity (51), middle ring mixes air cavity (52) and outer shroud mixes air cavity (53), described inner ring is mixed air cavity (51) and is connected with inner ring channel (31), described middle ring mixes air cavity (52) and is connected with middle ring passage (32), described outer shroud mixes air cavity (53) and is connected with outer ring channel (33), mixing chamber (5) is provided with and covers outer shroud and mix external ring fire cover (6) on air cavity (53), it is characterized in that: described fire cover is located on described mixing chamber (5), and described central through hole (13) and described inner ring are mixed air cavity (51) and are connected, the through hole (15) of bottom, described circular passage (14) mixes air cavity (52) with described middle ring and is connected.
9. burner according to claim 8, it is characterized in that: the sidepiece of described mixing chamber (5) is distributed with auxiliary air hole (54), the annular secondary-air passage (55) communicated with described auxiliary air hole (54) is formed in the inside of mixing chamber (5), described outer shroud mixes the outside that air cavity (53) is located at annular secondary-air passage (55), described middle ring mixes air cavity (52) and inner ring mixes the inner side that air cavity (51) is located at annular secondary-air passage (55), auxiliary air is by mixed combustion outside annular secondary-air passage and outer ring fire inner face and middle ring fire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412292.5U CN204063043U (en) | 2014-07-24 | 2014-07-24 | A kind of fire cover of household gas range and apply the burner of this fire cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412292.5U CN204063043U (en) | 2014-07-24 | 2014-07-24 | A kind of fire cover of household gas range and apply the burner of this fire cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204063043U true CN204063043U (en) | 2014-12-31 |
Family
ID=52204549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420412292.5U Expired - Lifetime CN204063043U (en) | 2014-07-24 | 2014-07-24 | A kind of fire cover of household gas range and apply the burner of this fire cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204063043U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121583A (en) * | 2014-07-24 | 2014-10-29 | 宁波方太厨具有限公司 | Burner cap of household gas stove and combustor provided with same |
| CN104913303A (en) * | 2015-06-26 | 2015-09-16 | 广东美的厨房电器制造有限公司 | Burner and gas stove having same |
| CN105202541A (en) * | 2015-10-15 | 2015-12-30 | 宁波方太厨具有限公司 | Stable-flame burner |
| WO2017088590A1 (en) * | 2015-11-27 | 2017-06-01 | 广东美的厨房电器制造有限公司 | Inner annular flame distributor and gas stove |
| CN108006616A (en) * | 2016-10-31 | 2018-05-08 | 广东美的厨房电器制造有限公司 | Burner and gas kitchen ranges |
| CN108692311A (en) * | 2017-04-06 | 2018-10-23 | 博西华电器（江苏）有限公司 | The burner and gas-cooker of gas-cooker |
| CN109724082A (en) * | 2017-10-31 | 2019-05-07 | 宁波方太厨具有限公司 | A kind of burner with high efficiency |
| CN109990275A (en) * | 2017-12-30 | 2019-07-09 | 宁波方太厨具有限公司 | A kind of burner |
| CN110657429A (en) * | 2018-06-30 | 2020-01-07 | 宁波方太厨具有限公司 | Burner for kitchen range |
| CN110966604A (en) * | 2018-09-30 | 2020-04-07 | 宁波方太厨具有限公司 | Fire cover for gas stove |
| CN111256134A (en) * | 2018-11-30 | 2020-06-09 | 宁波方太厨具有限公司 | Burner for gas stove |
| CN112013389A (en) * | 2019-05-31 | 2020-12-01 | 宁波方太厨具有限公司 | Air guide plate for combustor and combustor with air guide plate |
-
2014
- 2014-07-24 CN CN201420412292.5U patent/CN204063043U/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121583A (en) * | 2014-07-24 | 2014-10-29 | 宁波方太厨具有限公司 | Burner cap of household gas stove and combustor provided with same |
| CN104913303A (en) * | 2015-06-26 | 2015-09-16 | 广东美的厨房电器制造有限公司 | Burner and gas stove having same |
| CN105202541A (en) * | 2015-10-15 | 2015-12-30 | 宁波方太厨具有限公司 | Stable-flame burner |
| CN105202541B (en) * | 2015-10-15 | 2017-07-18 | 宁波方太厨具有限公司 | A kind of stable flame combusting device |
| WO2017088590A1 (en) * | 2015-11-27 | 2017-06-01 | 广东美的厨房电器制造有限公司 | Inner annular flame distributor and gas stove |
| CN108006616A (en) * | 2016-10-31 | 2018-05-08 | 广东美的厨房电器制造有限公司 | Burner and gas kitchen ranges |
| CN108006616B (en) * | 2016-10-31 | 2019-04-30 | 广东美的厨房电器制造有限公司 | Burner and gas cooker |
| CN108692311B (en) * | 2017-04-06 | 2020-08-11 | 博西华电器（江苏）有限公司 | Burner of gas stove and gas stove |
| CN108692311A (en) * | 2017-04-06 | 2018-10-23 | 博西华电器（江苏）有限公司 | The burner and gas-cooker of gas-cooker |
| EP3385619B1 (en) * | 2017-04-06 | 2021-07-21 | BSH Hausgeräte GmbH | Burner for gas cooktop and gas cooktop |
| CN109724082A (en) * | 2017-10-31 | 2019-05-07 | 宁波方太厨具有限公司 | A kind of burner with high efficiency |
| CN109724082B (en) * | 2017-10-31 | 2024-01-23 | 宁波方太厨具有限公司 | High-efficiency burner |
| CN109990275A (en) * | 2017-12-30 | 2019-07-09 | 宁波方太厨具有限公司 | A kind of burner |
| CN109990275B (en) * | 2017-12-30 | 2024-04-02 | 宁波方太厨具有限公司 | Burner |
| CN110657429A (en) * | 2018-06-30 | 2020-01-07 | 宁波方太厨具有限公司 | Burner for kitchen range |
| CN110966604A (en) * | 2018-09-30 | 2020-04-07 | 宁波方太厨具有限公司 | Fire cover for gas stove |
| CN110966604B (en) * | 2018-09-30 | 2021-10-12 | 宁波方太厨具有限公司 | Fire cover for gas stove |
| CN111256134A (en) * | 2018-11-30 | 2020-06-09 | 宁波方太厨具有限公司 | Burner for gas stove |
| CN112013389A (en) * | 2019-05-31 | 2020-12-01 | 宁波方太厨具有限公司 | Air guide plate for combustor and combustor with air guide plate |
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| GR01 | Patent grant |