JP2003028404A - Burner and hot plate using burner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a burner used in a cooking apparatus, such as a cooking stove, which supresses the occurrence of unevenness in heating and ensures uniform heating distribution and high heating efficiency, and capable of maintaining an excellent heating distribution. SOLUTION: The burner is provided with a burner port molded product 1 approximately in an annular shape to burn fuel. The burner port molded product is provided at an outer peripheral part with a main burner port part 8 having a main burner port, an ignition port part 13 and a small burner port part 9 having a small burner port, and a covering body 10 is provided at the upper part of the burner port. A small flame of the small burner port colliding with the covering body is spread along the outer peripheral part of the burner port molded product, a flame is excellently transferred between the main burner port and the small burner port, and a combustion flame of the main burner port is stabilized to ensure stable excellent combustion.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a burner using gas or the like as a fuel and a stove using the burner as a heating source.

[0002]

2. Description of the Related Art A conventional burner of this type has been disclosed in Japanese Patent Laid-Open No. 6-18.
There was one as described in Japanese Patent No. 5724.
As shown in the enlarged view of the flame outlet surface of the flame outlet molded body of FIG. 6, the flame is generated in the burner 62 in which the annular flame outlet molded body 61 is placed on the upper portion of the burner body 60. A part of the mounting surface of the mouth-molded body 61 on the burner body 60 is divided into three-sided partition walls 63 in a concave shape to open the concave outer peripheral side, and an ignition space 66 for accommodating the ignition plug 64 and the thermocouple 65 is formed. And the ignition flame port 68 is provided between the partition walls 67.

On the outer circumference of the annular flame mouth molding 61, a large flame mouth 69 with a large slit and a small flame mouth 70 with a small slit are arranged. Above the large-flame mouth 69 and the small-flame mouth 70, a flame-holding portion 71 that is convex over the entire outer circumference of the flame-mouth molded body 61 and protrudes outward from the large-flame mouth 69 and the small-flame mouth 70 is formed.

With this structure, a mixture of gas and air is supplied to the burner main body 60 and is ejected from the large flame port 69, the small flame port 70 and the ignition flame port 68, and at the same time, the spark plug 64.
Further, it is ignited by electric discharge and burns, and the thermocouple 65 continues burning by detecting the burning. The combustion flames formed in the large flame mouth 69 and the small flame mouth 70 are attached to the flame holding portion 71, so that the combustion occurs when the ejection speed of the air-fuel mixture ejected from each flame opening is high with respect to the combustion speed. Stable combustion can be obtained by suppressing the flame blowing phenomenon. At this time, the large flame port 69 and the small flame port 70 are formed at an angle so as to be directed toward the flame holding portion 71, direct the combustion flame upward, and heat the upper object to be heated more efficiently to improve thermal efficiency. Is configured to improve.

[0005]

However, in the above-mentioned conventional burner, the combustion flames formed at the large flame port 69 and the small flame port 70 are directed downward by the flame holding portion 71 and become far from the object to be heated. Could not be heated efficiently. That is,
The combustion flames formed in the large flame mouth 69 and the small flame mouth 70 are attached to the flame holding portion 71, so that the combustion occurs when the ejection speed of the air-fuel mixture ejected from each flame opening is high with respect to the combustion speed. The flame blow-off phenomenon is suppressed so that stable combustion can be obtained.

Therefore, the large flame mouth 69 and the small flame mouth 70
Is directed toward the flame holding portion 71, the combustion flame is directed upward, and even if an attempt is made to heat the upper object to be heated without waste, the combustion flame formed in the large flame mouth 69 and the small flame mouth 70 Is directed downward by the flame holding portion 71 and becomes far from the object to be heated above. As a result, the portion of the combustion flame that contacts the object to be heated becomes the tip of the combustion flame with a low flame temperature. As a result, regarding the heat transfer between the object to be heated and the combustion flame, the amount of heat transfer is reduced due to the small temperature difference between the two, and the purpose of efficiently heating the object to be heated is reduced by half. There was a problem that resulted.

Therefore, in order to alleviate such problems,
It is conceivable that the flame holding portion 71 is removed and the combustion flame does not collide with it, but the flame is held upward in the direction of the object to be heated. It is expected that a blowout phenomenon will occur from the mouth 70, and a stable combustion flame will be difficult to obtain, resulting in poor heating efficiency.

The present invention solves the above-mentioned conventional problems and provides a burner which has a flame holding action for the combustion flames generated at the large flame mouth and the small flame mouth and has a high heating efficiency for the object to be heated of the combustion flame. A stove is provided.

[0009]

In order to achieve the above-mentioned object, the present invention comprises a substantially annular flame mouth molded body for burning fuel, and the flame mouth molded body has a large flame mouth at the outer peripheral portion. A burner in which a small flame opening having a flame opening, an ignition flame opening, and a small flame opening is provided, and a cover is provided on an upper portion of the small flame opening.

According to the above-mentioned means, the combustion flame formed in the small flame opening collides with the covering and spreads in the annular direction, so that the transfer between the large flame opening and the small flame opening can be made good and the large flame opening can be achieved. Stable and good combustion can be obtained by holding the combustion flame of the above, and the combustion flame at the large flame point is directed upwards to heat the object to be heated without waste in the high temperature part, and it is possible to secure high heating efficiency. .

Also, the broth dropped from the object to be heated is
Since it is less likely to be received by the coating and drip to the small flame portion, and it will not be possible to continue combustion by clogging with boiling water etc., it is possible to maintain a good combustion state and It eliminates the need for cleaning clogging and realizes a convenient stove.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 is provided with a substantially annular flame mouth molded body that burns fuel, and the flame mouth molded body has a main flame mouth portion having a large flame mouth at an outer peripheral portion. The burner is provided with a small flame opening portion having an ignition flame opening portion and a small flame opening portion, and a cover provided on an upper portion of the small flame opening portion.

In the above-described embodiment, the combustion flame generated in the small flame opening collides with the covering body to spread the combustion flame in the direction of the large flame opening of the flame opening molded body, and the flame transfer between the large flame opening and the small flame opening occurs. And the combustion flame at the large-flame mouth is maintained to ensure stable and good combustion, and the combustion flame at the large-flame mouth is directed upwards to heat the object to be heated. It is possible to achieve high heating efficiency by heating the object to be heated without waste, realizing a substantially uniform heating distribution by suppressing a decrease in heating distribution, and suppressing uneven heat transfer to the pan.

Also, the broth dropped from the object to be heated is received by the covering body and is less likely to splash on the small flame mouth, and the small flame mouth is clogged with the broth or the like and combustion cannot be continued. Therefore, a good combustion state can be continued, and since there is no clogging of the small flame mouth, cleaning after use can be eliminated and a convenient stove can be realized.

According to a second aspect of the present invention, in the first aspect of the invention, the covering body has a portion of a main flame mouth portion radially arranged around the center of the flame mouth molded body as a base point and a small flame mouth. The burner is provided at the upper part of the section, and a part of the main flame opening is a large flame opening located on both sides of the small flame opening.

In the above-described embodiment, the same action as that of the above-mentioned embodiment is provided, and in addition to the combustion flame generated in the small flame opening in the cover, both sides of the small flame opening are provided. Combustion flame generated at the large flame mouth located at the point of collision also spreads to the outer periphery of the flame mouth molding, further improving the transfer of heat between the large flame mouth and the small flame mouth, and further increasing the combustion flame of the large flame mouth. It is possible to maintain the flame and secure stable and good combustion, and the combustion flame at the large flame outlet is directed upward to heat the object to be heated in a high temperature portion.

According to a third aspect of the present invention, in the first or second aspect of the invention, the covering body is a burner provided above the outer peripheral inclined surface with the outer peripheral portion of the flame mouth molding as the inclined surface. is there.

In the above embodiment, since the combustion flame generated at the large flame opening is surely formed in the upward direction along the outer peripheral inclined surface, the combustion flame at the large flame opening becomes upward and the object to be heated becomes hot. In this way, the object to be heated is heated without waste, the reduction of the heating distribution is suppressed to achieve a substantially uniform heating distribution, and at the same time, high heat efficiency is achieved by suppressing uneven heat transfer to the pan. You can

According to a fourth aspect of the present invention, in any one of the first to third aspects, the outer peripheral portion of the cover body is inclined downward to incline the outer peripheral portion of the flame mouth molding. It is a burner formed integrally with the flame mouth molding by cutting.

In the above embodiment, after the cover and the main flame mouth are integrally shaped by forging or the like, the outer periphery of the main flame mouth is cut to form the cover, whereby the cover and the main flame are formed. Whereas the mouth is individually shaped and then integrally constructed,
The number of parts can be reduced by half, and the unit price of the burner can be reduced.

According to a fifth aspect of the present invention, in any one of the first to fourth aspects, the substantially annular flame outlet molded body has an inner peripheral portion which is inclined downward toward the center. It is a burner that constitutes a circumferentially inclined surface.

In the above-mentioned embodiment, the air flowing in from the annular center of the flame mouth molding becomes an ascending airflow along the inner peripheral inclined surface and diffuses into the flame, promoting combustion and ensuring high thermal efficiency. .

According to the invention of claim 6, in any one of claims 1 to 5, the squeeze shield having a larger diameter than the outer diameter of the flame mouth molded body is provided with a space above the flame mouth molded body. A burner with a body.

In the above-mentioned embodiment, the air flowing in from the annular center of the flame mouth molding collides with the broth shield, spreads to the outer periphery and is uniformly diffused in the flame, promoting combustion and shortening the flame length. It is possible to secure high heating efficiency and prevent dripping of broth to the large flame mouth, the small flame mouth, and the ignition flame mouth.

The invention according to claim 7 is the burner according to claim 6, wherein the coating has an outer diameter smaller than that of the broth shield.

In the above embodiment, the broth dropped from the object to be heated is received by the broth shield.
Even if it is dripped further than this, it can be received by the covering body, so that it can prevent the small flame mouth from clogging with boiling water etc. in two stages and maintain a good combustion state, and since there is no clogging of the small flame mouth, There is no need for cleaning after use, and a stove with good usability can be realized.

The invention according to claim 8 is the burner according to any one of claims 1 to 7 provided in the opening of the top plate, and the tip of the mounting part is the ignition flame port part and the small part. It is a stove with Gotoku that corresponds to the flame mouth.

The above-described embodiment has the same function as that of the above-described embodiment of any one of claims 1 to 7, and the tip of the mounting portion corresponds to a small flame with a small flame opening. Therefore, rising of CO can be suppressed, uniform heating distribution and high heating efficiency can be realized, and energy saving can be secured.

[0029]

Embodiments of the present invention will be described below with reference to FIGS.

(Embodiment 1) FIG. 1 is a plan view of the back side of a flame mouth molding in a burner according to an embodiment of the present invention, FIG. 2 is a side view of the flame mouth molding, and FIG. 3 is the burner. It is the whole sectional view. In the drawing, reference numeral 1 is a flame-shaped molded body having a substantially annular shape 2 which is formed into a substantially truncated cone shape by forging brass, die casting aluminum forging, forging or casting, or ceramics molding, and the center of the annular 2 There is an opening tube 3 in the upper part of the air passage 4, which constitutes an air passage 4 which penetrates vertically.
Further, the flame nozzle molding 1 has an outer peripheral inclined surface 5 whose outer peripheral portion is inclined downward in the outer peripheral direction from an upper portion to a lower portion, and an inner peripheral portion whose inner peripheral portion is inclined downward toward the central opening cylinder 3 of the ring 2. Each is formed on the inclined surface 6.

The flame outlet molding 1 is an assembly in which a large number of groove-shaped flame outlets opening in the circumferential direction are provided on the outer peripheral inclined surface 5 and the lower surface portion, and is divided into 10 peripheral portions. A main flame mouth portion 8 having a plurality of large flame mouths 8a in which the main flames 7 having a large opening area are arranged, and a plurality of small flames arranged adjacent to the main flame mouth portion 8 in five of the compartments. Between a small flame opening 9 having a flame opening 9a and a plurality of flame holding flame openings 12 arranged in one position of the section adjacent to the main flame opening 8 and the flame holding flame opening 12 And an ignition flame port portion 13 having an array of ignition flame ports 11 arranged. The main flame mouth portion 8 and the small flame mouth portion 9 are radially arranged on the outer peripheral inclined surface 5 with the center O of the annular shape 2 of the flame mouth molding 1 as a base point, and are opened obliquely upward.

Numeral 10 is located at the upper part of the small flame opening 9 and one of the main flame openings 8 located on both sides of the small flame opening 9.
Combustion that occurs in the two small flame openings 9a and the large flame openings 8a at both ends of the main flame opening 8 with the covering provided on the outer peripheral inclined surface 5 that also covers the individual large flame openings 8a. The flames collide with each other to improve the transfer of heat between the large flame opening 8a and the small flame opening 9a,
It holds the combustion flame of the large flame outlet 8a and is formed integrally with the flame outlet molded body 1 when the outer peripheral portion of the flame outlet molded body 1 is cut in order to descend and incline outward. It is a thing.

Reference numeral 14 denotes an outer peripheral surface extending from the vicinity of the bases of the main flame openings 8 and the small flame openings 9 of the flame molding 1 to the vicinity of the opening cylinder 3.
The mixed gas is rectified and guided to the main flame opening 8 and the small flame opening 9 by an inverted frustoconical straightening portion formed with an upper inclination angle larger than the upper inclination angle of the main flame opening 8. Reference numeral 15 denotes a broth shield integrally provided on the upper side of the flame mouth molding 1 through a gap 16 communicating with the air passage 4, and is the same as the outer diameter of the flame mouth molding 1 or 1
It is formed with a large outer diameter of approximately 2 mm.

Reference numeral 17 denotes a burner body made of a heat-resistant metal such as stainless steel, which is composed of a fuel premixed gas mixing pipe 18 and a substantially annular diffusion chamber 21 formed by an inner peripheral wall 19 and an outer peripheral wall 20 penetrating vertically. The opening cylinder 3 and the inner peripheral wall 19 of the flame mouth molding 1 and the lower surface of the outer peripheral portion of the flame mouth molding 1 and the flange portion 20a located above the outer peripheral wall 20 are substantially in close contact with each other, and the rectifying portion is formed. A diffusion chamber 21 facing 14 is constructed. As described above, the burner 23 is configured by fitting the flame mouth molding 1 integrated with the broth shield 15 on the burner body 17.

Next, the operation and action will be described. The premixed gas is formed by mixing the fuel gas jetted into the mixing pipe 18 and the premixed air (primary air) sucked at the same time, After that, it uniformly diffuses in the diffusion chamber 21, and the large flame port 8a, the small flame port 9a, and the ignition flame port 11
Each is dispersed according to the opening area of the flame mouth. Then, the large flame opening 8a, the small flame opening 9a, the ignition flame opening 11, the flame holding flame opening 1
The premixed gas is ejected from each flame nozzle of No. 2. In particular, the rectifying unit 1
4 is subjected to an upward diffusion rectification action along the upward inclination angle of 4, the premixed gas ejected from the large flame opening 8a is
Ejects with an outflow tendency that is higher than the upward inclination angle of a.

Thereafter, the premixed gas is ignited by the ignition means (not shown) to form a small flame 24 at the ignition flame port 11, and the small flame 24 causes the auxiliary flame 25 at the flame retaining flame ports 12 on both sides. Occurs. Then, through the auxiliary flame 25, the large flame mouth 8
The flame is transferred to a and the small flame mouth 9a, and the upward main flame 7 is formed on the entire outer peripheral portion of the flame mouth molding 1 to heat an object to be heated such as a pan located above.

In this embodiment, the covering 1 is provided on the small flame opening 9.
5 is provided, the combustion flame formed in the large flame opening 8a is directed upward, and the combustion flame generated in the small flame opening 9 is covered by the coating 10
And the combustion flame spreads in the direction of the large flame opening 8a on the outer periphery of the flame molding body 1,
The flame transfer between a and the small flame mouth 9a is performed well, and the large flame mouth 8
The combustion flame of a is maintained to ensure stable and good combustion.
That is, when heating an object to be heated, a large number of large flame outlets 8
The combustion flame of a is directed upwards, and the object to be heated is heated in a high temperature portion. Therefore, the object to be heated is heated without waste and a decrease in the heating distribution is suppressed to realize a substantially uniform heating distribution. High heating efficiency can be realized by suppressing uneven heat transfer to the object to be heated.

Further, since the covering 10 receives the broth dripped from the object to be heated while the object to be heated is heated, it is less likely to drip further to the small flame mouth 9a, and the small flame mouth 9a is boiled. Since it will not be possible to continue combustion due to clogging etc., it is possible to continue a good combustion state, and since there is no clogging of the small flame mouth 9a, there is no cleaning after use, so a convenient stove realizable.

Further, the covering body 10 is a part of the main flame mouth portion 8 and the upper portion of the small flame mouth portion 9 which are radially arranged in the outer peripheral portion with the center of the flame mouth molding body 1 as a base point and the main flame mouth. Since a part of the portion 8 is the large flame opening 8a located on both sides of the small flame opening 9, the covering body 10 has both sides of the small flame opening 9 in addition to the combustion flame generated at the small flame opening 9a. Combustion flames generated in the large flame outlet 8a located at are also collided and spread to the outer periphery of the flame outlet molded body 1 to further improve the transfer of heat between the large flame outlet 8a and the small flame outlet 9a, and further increase the large flame outlet. It is possible to hold the combustion flame of 8a to secure stable and good combustion, and the combustion flame of the large flame opening 9a is directed upward to heat the object to be heated at a high temperature portion.

Furthermore, since the covering body 10 is provided above the outer peripheral inclined surface 5 having the outer peripheral portion of the flame mouth molding 1 as the inclined surface, the combustion flame generated in the majority of the large flame openings 8a is surely generated. Formed in the upward direction along the outer peripheral inclined surface 5, the upward combustion flame of the large flame port 8a heats the object to be heated at a high temperature portion, heating the object to be heated without waste and reducing the heating distribution. By suppressing this, a substantially uniform heating distribution can be realized, and at the same time, high heating efficiency can be realized by suppressing uneven heat transfer to the pan.

Furthermore, since the covering 10 is formed integrally with the flame mouth molding 1 when cutting the outer circumference of the flame mouth molding 1 in order to downwardly incline the outer circumference, the covering 10 is formed integrally. 10 and the main flame mouth portion 8 are integrally shaped by forging or the like, and then the outer periphery of the main flame mouth portion 8 can be cut to form the covering body 10, and the covering body and the main flame mouth portion are individually shaped and then integrated. The number of parts can be halved, and the unit price of the burner can be reduced as compared with the case where it is optimized.

Furthermore, the inner secondary air flow 28 flowing as an upward air flow from the air passage 4 by the combustion of the burner 28
Passes through the gap 16 between the broth shield 15 and the flame mouth molding 1 along the inner peripheral inclined surface 6 of the flame mouth molding 1 and becomes an updraft and immediately above the main flame mouth portion 8. Therefore, it effectively diffuses into the main flame 7. On the other hand, the outer secondary air flow 29 diffuses into the main flame 7 from the outer circumference of the flame nozzle molding 1. Therefore, the main flame 7 is sandwiched between the inner secondary air flow 28 and the outer secondary air flow 29, and combustion is promoted to shorten the flame.

Furthermore, a void 1 is provided above the flame mouth molding 1.
Boiler shield 1 having a diameter larger than the outer diameter of flame mouthpiece 1
Since 5 is provided, the air flowing in from the center of the ring 2 of the flame mouth molding 1 collides with the broth shield 15 and spreads to the outer periphery and is uniformly diffused in the flame to promote combustion and shorten the flame length. It is possible to secure high heating efficiency and prevent dripping of broth to the large flame opening 8a, the small flame opening 9a, and the ignition flame opening 13.

Furthermore, the covering body 10 is a broth shield body 15.
Boiled liquid having a smaller outer diameter and dropped from the object to be heated is received by the boiled liquid shielding body 15. However, even if it is further dropped, it is received by the covering body 10, so that the small flame mouth 9a is covered with boiled water or the like. Prevents clogging in two steps and maintains a good combustion state, and since there is no clogging of the small flame mouth, cleaning after use is eliminated,
A stove that is easy to use can be realized.

Furthermore, since the flame outlet molding 1 is provided with the small flame outlet 9 and the cover 10 which are separated from each other, the flame in this area becomes a small flame for ensuring the transfer of heat, and the adjacent main It is possible to suppress the interference between the flames 7 and realize the main flame 7 with a shorter flame. Further, by making the upward inclination angle of the rectifying portion 14 larger than the upward inclination angle of the main flame mouth portion 8, the ejection angle of the premixed gas can be made upward, so that the flame mouth inclination can be made shallow. It is possible to facilitate workability when forming the groove of the flame opening.

(Embodiment 2) FIG. 4 is a sectional view of a stove according to an embodiment of the present invention, and FIG. 5 is a diagram showing a positional relationship between a placing portion and a burner of Gotoku on the stove. In the figure, the stove body 41 is dropped into the opening of the counter 42 and placed on the peripheral edge of the opening of the counter 42. The top plate 43 is placed on the stove main body 41 so as to cover the stove main body 41, and the peripheral portion of the top plate 43 is the counter 4.
Touching 2.

The top plate 43 has an opening 46 of a flange 45 provided with a substantially circular step pushing portion 44. A burner opening 47 is provided in the center of the flange 45, and the side surface of the peripheral portion is surrounded. A soup tray 49 having a large number of long hole-shaped air ports 48 formed therein is placed, and the burner opening 47 faces the burner 23 of the first embodiment. The air port 48 may be provided in the side surface portion of the step pushing portion 44 of the top plate 43.

On the other hand, the Gotoku 50 has a structure in which a plurality of mounting portions 52 are arranged in a frame 51 whose inner periphery is inclined downward so that the tips thereof face toward the center. Particularly, the tip of the mounting portion 52 has an ignition flame. The frame body 51 is disposed so as to correspond to the mouth portion 13 and the small flame mouth portion 9, and the frame body 51 is placed so as to shield the step pushing portion 44 and the air port 48 of the juice tray 49 from above. In addition, Example 1
Those having the same reference numerals as have the same structure, and detailed description thereof will be omitted.

Next, the operation and action will be described. The premixed gas supplied to the burner 23 is igniting means (not shown).
Is ignited by and forms an upward main flame 7. At this time, the inner secondary air flow 28 flowing in from the air passage 4 as an ascending airflow passes through the gap 16 between the broth shield 15 and the flame mouth molding 1 and has a tendency of an ascending airflow while maintaining the main flame 7
Spread effectively inside.

On the other hand, the air flowing in through the air port 48 is rectified in direction by the downward inclination of the inner circumference of the frame 51 of the Gotoku 50 while cooling the lower surface of the top plate 43.
While flowing so as to lick the bottom surface of the soup saucer 49 and suppressing the temperature rise of the soup saucer 49, it diffuses into the main flame 7 as an outside secondary air flow 29.

Therefore, the main flame 7 has an inner secondary air flow 28
It is sandwiched between the outer secondary air flow 29 and the outer secondary air flow 29, and is formed as a straight upward flame in which the combustion is promoted and the flame is shortened. A uniform heating distribution and high thermal efficiency are realized, and energy conservation is also ensured. It is possible to prevent the gas from entering the inside and stably supply the combustion air, and thus it is possible to provide a stove in which a structure having a small step is secured as a whole.

[0052]

As described above, according to the present invention, the transfer of heat between the large flame mouth and the small flame mouth can be made good, and the combustion flame at the large flame mouth can be retained and stable and good combustion can be obtained. As a result, the combustion flame at the large-flame mouth is directed upward, and the object to be heated is heated without waste in high-temperature areas, and it is possible to realize a high-efficiency heating stove and easy-to-use stove.

[Brief description of drawings]

FIG. 1 is a back view of a burner flame nozzle molded body according to a first embodiment of the present invention.

FIG. 2 is an external side view of the burner flame outlet molded body according to the first embodiment.

FIG. 3 is a vertical sectional view of the burner according to the first embodiment.

FIG. 4 is a vertical cross-sectional view of the stove according to the second embodiment of the present invention.

FIG. 5 is a diagram showing a positional relationship between a stove top and a burner in the second embodiment.

FIG. 6 is a perspective view of a main part of a flame mouth molding in a conventional burner.

[Explanation of symbols]

1 flame mouth molding 2 ring 5 Outer peripheral slope 6 Inner peripheral inclined surface 7 main flame 8 Main flame mouth 8a Large flame mouth 9 Small flame mouth 9a Small flame mouth 10 Cover 12 Ignition flame mouth 18 Boiler shield 19 void 43 Top plate 46 opening 50 Gotoku 52 Placement Section

Continued front page    (72) Inventor Ryoji Shimada             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. F term (reference) 3K017 AA02 AB04 AB05 AB07 AB08                       AC02 AD03 AD12 AF02 AF03                       AG02

Claims (8)

[Claims] 1. A flame outlet molded body that burns fuel and has a substantially annular shape. The flame outlet molded body has a main flame outlet having a large flame outlet, an ignition flame outlet and a small flame outlet. A burner in which a flame opening is provided and a covering is provided on the small flame opening. 2. The covering body is provided on a part of the main flame mouth portion and an upper portion of the small flame mouth portion radially arranged on the outer peripheral portion with the center of the flame mouth molding body as a base point, and one of the main flame mouth portions. The burner according to claim 1, wherein the portions are large flame openings located on both sides of the small flame opening. 3. The burner according to claim 1, wherein the covering body is provided above the outer peripheral inclined surface having the outer peripheral portion of the flame nozzle formed body as an inclined surface. 4. The cover body is integrally formed with the flame mouth molding body by cutting the outer circumference portion of the flame mouth molding body so that the outer peripheral portion of the flame mouth molding body is inclined downward. The burner according to any one of 1. 5. The substantially annular flame outlet molded body has an inner peripheral inclined surface that is inclined downward toward the center in the inner peripheral portion, according to any one of claims 1 to 4. Burner. 6. A boiling liquid shield having a larger diameter than the outer diameter of the flame mouth molded body is provided above the flame mouth molded body through a gap.
~ The burner according to claim 5. 7. The burner according to claim 6, wherein the coating has an outer diameter smaller than that of the broth shield. 8. The burner according to any one of claims 1 to 7 provided in the opening of the top plate, and the tip of the mounting portion is made to correspond to the ignition flame port and the small flame port. A stove with Gotoku.