CN215294999U - Baking oven - Google Patents

Abstract

The utility model provides an oven, includes two kinds of printing opacity covers, base, the hose of discharging fume, air exhauster, power cord, row's smoke column, fire net, induction valve, solid fuel type ash box, gas type ash box, wherein the printing opacity cover has two kinds of opening forms, is upper and lower open-ended hollow structure and under shed hollow structure respectively, and the inboard lower surface in printing opacity cover top is connected and can dismantle with the post top of discharging fume, the row's smoke column all is equipped with the opening screens that can connect the hose of discharging fume from top to bottom to the opening screens can be closed, and the post facade of discharging fume sets up a plurality of bleeder vents, the post bottom of discharging fume is connected with base upper surface exhaust port, the base is hollow structure, and the upper surface sets up exhaust port, fire net mouth, and the side sets up the air inlet, and preceding ash box mouth that sets up the hose mouth of discharging fume at the back, the induction valve sets up in base side air inlet department.

Description

Baking oven

Technical Field

The utility model relates to an oven field indicates an oven especially.

Background

Along with the improvement of the living standard of people, the function and the design requirement of people to the heating equipment are also improved, no heating air exists in families in many areas in the south, the house is relatively cold for some time, in the north, the house has the heating air, but the time of urban heat supply can not cover all the time of one year, and the heating air is not supplied in autumn and early spring, so the room is still very cold, and no matter in the north in the south, the cooking mode of barbecue is popular among people.

The existing real fire fireplace is in a traditional smoke discharging form, namely fuel is combusted freely, smoke is guided by a flue and discharged to the outside, the surface of a furnace body is extremely high in temperature when the fireplace is used, a user is easily scalded, the fireplace is single in function, has no other functions except heating, cannot be roasted, cannot actively discharge smoke, has no ash collecting device, and cannot be freely switched between solid fuel and gas fuel.

Disclosure of Invention

The utility model discloses not enough to current oven fireplace equipment, developed an oven, the device can use as the fireplace for the heating, also can use the oven to roast the culinary art, can use solid fuel also can use gas fuel, has the ash collecting device, and apparent temperature is lower relatively in the use, can initiatively discharge fume to easy to clean, the maintenance is maintained simply.

The utility model provides a technical scheme of problem does: an oven comprises two kinds of light-transmitting covers, a base, a smoke exhaust hose, an exhaust fan, a power line, a smoke exhaust column, a fire net, an inlet valve, a solid fuel type ash box and a gas type ash box, wherein the light-transmitting covers have two opening forms which are respectively a hollow structure with an upper opening and a lower opening and a hollow structure with a lower opening, the lower surface of the inner side of the top of the light-transmitting cover is connected with and can be detached from the top of the smoke exhaust column, the smoke exhaust column is provided with an opening clamping position which can be connected with the smoke exhaust hose from top to bottom, the opening clamping position can be closed, the vertical face of the smoke exhaust column is provided with a plurality of air holes, the bottom of the smoke exhaust column is connected with an upper surface smoke exhaust port of the base, the base is of a hollow structure, the upper surface is provided with a smoke exhaust port and a fire net port, the side surface is provided with an air inlet, the front surface is provided with an ash box port, the back surface is provided with the smoke exhaust hose port, the inlet valve is arranged at the side surface of the base, in the embodiment 1, the smoke exhaust hose can be connected with the lower end of the smoke exhaust column, and wear out the base through the flexible mouth of discharging fume at base rear portion, the post upper surface open-ended screens of discharging fume this moment is sealed, the hose of discharging fume also can connect in the open-ended screens of the post top of discharging fume, and the open-ended screens of the post bottom of discharging fume this moment is closed to use upper and lower open-ended printing opacity cover, the air exhauster facility is in the hose free end of discharging fume, the power cord is connected in the air exhauster, the fire net sets up in the fire net mouth of base upper surface, the ash box inserts the base through the preceding ash box mouth that sets up of base.

Further, the printing opacity cover is optional for two kinds of structures, when discharging fume when the hose connection row smoke column lower extreme of discharging fume carries out down to discharge fume, selects the under shed printing opacity cover, increases whole aesthetic feeling, nevertheless can't provide down the condition of discharging fume under the applied scene for a bit, and the hose of discharging fume need connect in the post top of discharging fume and constitute the structure of discharging fume on, for the structure that embodiment 2 shows this moment, should select for use the under shed printing opacity cover so that the hose of discharging fume passes the printing opacity cover top this moment.

Furthermore, the fire net is a device provided for function conversion of the oven, when solid fuel is used as fireplace for heating, the solid fuel type ash box is used, the solid fuel is placed on the fire net for combustion, smoke is absorbed by the smoke exhaust column and is exhausted through the smoke exhaust column, the smoke exhaust hose and the exhaust fan, during the combustion process of the fuel, red-glow state or flame is generated, infrared radiation heat dissipation is carried out to the outside, infrared rays pass through the light-transmitting cover to heat the surrounding environment, but the blocking effect of the light-transmitting cover on the infrared rays is very low, and the flame cannot contact the light-transmitting cover under the action of the airflow direction, so the light-transmitting cover cannot be overheated when in use.

Furthermore, the fire net is a device provided for function conversion of the oven, when gas fuel is used as a fireplace for heating, a gas ash box is applied, the fire net is removed, gas flame leaks out of the upper surface of the base, smoke is absorbed by the smoke exhaust column and is exhausted through the smoke exhaust column, the smoke exhaust hose and the exhaust fan, flame generated in the fuel combustion process carries out infrared radiation heat dissipation outwards, infrared rays penetrate through the light-transmitting cover to heat the surrounding environment, but the blocking effect of the light-transmitting cover on the infrared rays is very low, and the flame cannot contact the light-transmitting cover under the action of the airflow direction, so that the light-transmitting cover cannot be overheated when in use.

Further, the fire net is the device that provides for this oven carries out the function conversion, when using solid fuel as the oven to use, should place solid fuel and burn on the solid fuel type ash box burning board in the base under the fire net, eat the material and place on the fire net, adjust the air quantity regulation firepower of (air) intake valve through changing the entering base, flue gas and oil smoke are absorbed by the post of discharging fume, via the post of discharging fume, discharge fume the hose, the air exhauster discharges, the oil smoke that the barbecue in-process produced, or the oil stain that splashes can't contact the printing opacity cover under the effect of air current direction, so the printing opacity cover can not overheated also cleaner when using, the person of facilitating the use observes edible material duration and degree of a fire and avoids the oil stain to splash simultaneously and receive the scald in real time, and increase appetite.

Further, the fire net is the device that carries out the function conversion and provide for this oven, when using gas fuel to use as the oven, should use gas type ash tray and cover the fire net, the burning position of gas is in the burner plate venthole department of gas type ash tray, eat the material and place on the fire net, adjust the air quantity regulation firepower that the (air) intake valve got into the base through the change, flue gas and oil smoke are absorbed by the post of discharging fume, via the post of discharging fume, the hose of discharging fume, the air exhauster is discharged, the oil smoke that the barbecue in-process produced, or the greasy dirt that splashes can't contact the printing opacity cover under the effect of air current direction, so the printing opacity cover can not overheated also cleaner when using, the person of facilitating the use observes and eats the material hot weather and avoids the greasy dirt to spatter outward and receive the scald simultaneously, and increase appetite.

Furthermore, the light-transmitting cover is made of light-transmitting materials, and has the functions of transmitting light, constructing an airflow channel by the lower edge and the upper surface of the base, guiding air, shielding smoke dust and splashed objects and increasing the aesthetic degree of the utility model; the top divide into the opening and does not open the two kinds of forms, for the different joint relation of the hose of discharging fume and the exhaust column provides the condition, and inboard lower surface is connected and can be dismantled with the exhaust column upper end, convenient clean maintenance.

Further, the hose end of discharging fume and the joint of row's smoke column, another free end connection air exhauster, the air exhauster will discharge fume the internal gas of hose and discharge fume the inside negative pressure state that maintains of post, the post lateral wall of discharging fume is covered with the bleeder vent, and the post outer air flue gas mist of discharging fume is the ordinary pressure, so mist accessible row's smoke column lateral wall bleeder vent gets into in the row's smoke column via the hose of discharging fume, air exhauster discharge to the specified area.

Further, the ash box is pull formula structure, can insert or take out from the ash box mouth department of the preceding setting of base, divide into gas type ash box and solid fuel type ash box, and the difference lies in: the gas ash box is provided with a gas input port, a gas pipe can be connected to introduce gas into the ash box, the rear end of the lower layer of the gas ash box is closed, and the gas can be upwards discharged through the lower layer of the gas ash box and the air holes on the combustion plate of the gas ash box to be contacted with air and ignited to form flame to provide heat for heating or barbecuing; the solid fuel type ash box is not provided with a gas inlet, but the lower layer of the rear end of the solid fuel type ash box is provided with an opening, the opening is an ash pouring opening of the solid fuel type ash box, and fresh air entering the base through the inlet valve can enter an upper layer of solid fuel combustion area for supporting combustion through the ash pouring opening of the solid fuel type ash box and the combustion plate of the solid fuel type ash box.

Further, the intake valve is arranged on the side face of the base, the opening size of the intake valve can be adjusted, and the intake valve is used for adjusting the amount of air entering the base in unit time, so that the combustion firepower can be adjusted.

The beneficial effects of the utility model reside in that:

1. the utility model discloses an oven has combined the dual function of heating and barbecue, accords with more application scenes.

2. The smoke can be actively discharged by applying the exhaust fan, so that the use experience is improved.

3. Being equipped with two kinds of printing opacity covers and making the flexible pipe of discharging fume can follow upper or lower joint in row's cigarette post, the direction of discharging fume is more nimble so that adapt to different application condition.

4. Two kinds of ash boxes are provided to adapt the device to different fuels.

5. The air inlet valve arranged on the base can adjust firepower by adjusting air inflow, and firepower control is facilitated.

6. The air flue structure that printing opacity cover and base were constructed effectively prevents the scattering of flue gas and the thing that splashes when promoting the aesthetic feeling.

7. The printing opacity covers the separation degree of infrared ray low, helps infrared ray radiation in the environment, and the protection user can't touch high temperature and tend to, and the printing opacity covers itself can not be overheated moreover, prevents to scald.

Drawings

Fig. 1 is a schematic view of embodiment 1 of the present invention.

Fig. 2 is a plan view of embodiment 1 of the present invention.

Fig. 3 is a front view of embodiment 1 of the present invention.

Fig. 4 is a side view of embodiment 1 of the present invention.

Fig. 5 is a schematic view of embodiment 1 of the present invention in a state of removing the light transmissive cover.

Fig. 6 is a plan view of embodiment 1 of the present invention in a state where the light transmissive cover is removed.

Fig. 7 is a side view of embodiment 1 of the present invention in a state where the light transmissive cover is removed.

Fig. 8 is a cross-sectional view along a-a in a state where the transparent cover is removed according to embodiment 1 of the present invention.

Fig. 9 is a schematic view of embodiment 2 of the present invention.

Fig. 10 is a plan view of embodiment 2 of the present invention.

Fig. 11 is a front view of embodiment 2 of the present invention.

Fig. 12 is a side view of embodiment 2 of the present invention.

Fig. 13 is a schematic view of embodiment 2 of the present invention in a state where the light transmissive cover is removed.

Fig. 14 is a plan view of embodiment 2 of the present invention with the light transmissive cover removed.

Fig. 15 is a side view of embodiment 2 of the present invention in a state where the light transmissive cover is removed.

Fig. 16 is a cross-sectional view taken along a line a-a in a state where the transparent cover is removed according to embodiment 2 of the present invention.

Fig. 17 is a top view of the base of the present invention.

Fig. 18 is a schematic view of a solid fuel type ash tray according to the present invention.

Fig. 19 is a plan view of the solid fuel type ash tray of the present invention.

Fig. 20 is a schematic view of the gas ash box of the present invention.

Fig. 21 is a top view of the gas ash box of the present invention.

Fig. 22 is a schematic diagram comparing two kinds of light-transmitting covers of the present invention.

Fig. 23 is a schematic view of the airflow direction of the present invention.

Fig. 24 is a sectional view taken along line a-a of embodiment 1 of the present invention.

Fig. 25 is a sectional view taken along line a-a of embodiment 2 of the present invention.

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In the drawings: 1. the light-transmitting cover 101, an upper opening of the light-transmitting cover in embodiment 2, a base, 201, a smoke exhaust hose port, 202, a smoke exhaust port, 203, a fire net port, 204, an air inlet port, 205, an ash box port, 3, a smoke exhaust hose, 4, an exhaust fan, 5, a power line, 6, a smoke exhaust column, 7, a fire net, 8, an air inlet valve, 9, a solid fuel type ash box, 901, a solid fuel type ash box combustion plate, 902, a solid fuel type ash box body, 903, a solid fuel type ash box ash pouring port, 10, a gas type ash box, 1001, a gas type combustion plate, 1002, a gas type ash box body, 1003 and a gas inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For a better understanding of the present invention, embodiments thereof are explained in detail below with reference to the accompanying drawings.

Fig. 1-25 show some embodiments of the present invention, an oven, which includes two kinds of light-transmitting covers 1, a lower-opening light-transmitting cover in embodiment 1 and an upper-lower-opening light-transmitting cover in embodiment 2, a base 2, a smoke-discharging hose 3, an exhaust fan 4, a power cord 5, a smoke-discharging column 6, a fire net 7, an intake valve 8, a solid fuel type ash box 9, and a gas type ash box 10.

As shown in fig. 1-25, the base 2 is a hollow structure, the upper surface is provided with a smoke outlet 202 and a fire net port 203, the side surface is provided with an air inlet 204, the front surface is provided with an ash box port 205, the rear surface is provided with a smoke exhaust hose port 201, the smoke exhaust column 6 is provided with an opening clamp which can be connected with the smoke exhaust hose 3 up and down and can be closed, the vertical surface of the smoke exhaust column 6 is provided with a plurality of air holes, the bottom of the smoke exhaust column 6 is connected with the smoke outlet 202 on the upper surface of the base 2, the translucent cover 1 has two opening forms, namely a hollow structure with an upper opening and a lower opening, the lower surface of the inner side of the top of the translucent cover 1 is connected with the top of the smoke exhaust column 6 and can be detached, the air inlet valve 8 is arranged at the air inlet 204 on the side surface of the base, in the embodiment 1, the smoke exhaust hose 3 can be clamped at the lower end of the smoke exhaust column 6 and passes through the smoke exhaust hose port 201 on the rear portion of the base 2, the screens of the upper surface opening of the row of columns 6 at this moment are sealed, in embodiment 2, the hose 3 of discharging fume also can be connected in the opening screens on the 6 tops of row columns, and the opening screens of the 6 bottoms of row columns is closed this moment to open-ended printing opacity cover 1 about using, 3 hose free ends are discharged fume in the facility of air exhauster 4, power cord 5 is connected in air exhauster 4, fire net 7 sets up in the fire net mouth 203 of base 2 upper surface, when using solid fuel the preceding ash box mouth 205 that sets up of solid fuel type ash box 9 through base 2 inserts base 2, when using gaseous fuel the preceding ash box mouth 205 that sets up of gas type ash box 10 through base 2 inserts base 2.

As shown in fig. 1-25, the light-transmitting cover 1 has two optional structures, when the smoke exhaust hose 3 is connected to the lower end of the smoke exhaust column 6 for downward smoke exhaust, the lower opening light-transmitting cover 1 is selected to increase the overall aesthetic feeling, but the smoke exhaust conditions cannot be provided under some application scenes, the smoke exhaust hose 3 needs to be connected to the top end of the smoke exhaust column 6 to form an upper smoke exhaust structure, and at this time, the upper and lower opening light-transmitting cover 1 is selected so that the smoke exhaust hose 3 can pass through the top of the light-transmitting cover 1.

As shown in fig. 1-25, the fire net 7 is a device provided for the function conversion of the oven, when solid fuel is used as the fireplace for heating, the solid fuel type ash box 9 is used and the solid fuel is placed on the fire net 7 for burning; when the gas fuel is used for heating the fireplace, the gas ash box 10 is used, the fire net 7 is removed, gas flame leaks out of the upper surface of the base 2, smoke is absorbed by the smoke exhaust column 6 and is exhausted through the smoke exhaust column 6, the smoke exhaust hose 3 and the exhaust fan 4, infrared radiation heat dissipation is conducted to the outside when the fuel is in a red-hot state or generates flame in the combustion process, infrared rays penetrate through the light-transmitting cover 1 to heat the surrounding environment, but the blocking effect of the light-transmitting cover 1 on the infrared rays is very low, and the flame cannot contact with the light-transmitting cover 1 under the action of the airflow direction, so that the light-transmitting cover 1 cannot be overheated when in use.

As shown in fig. 1 to 25, the fire net 7 is a device provided for the purpose of converting the function of the oven, when solid fuel is used as a barbecue oven, the solid fuel should be placed in the solid fuel type ash box burning plate 901 in the solid fuel type ash box 9 in the base 2 of the fire net 7 to burn, food should be placed on the fire net 7, when gas fuel is used as a barbecue oven, the gas type ash box 10 should be used and the fire net 7 should be covered, the gas inlet 1003 is connected to the gas pipe, the burning position of the gas is at the air vent of the gas type ash box burning plate 1001, the food is placed on the fire net to adjust the air quantity entering the base 2 by changing the air quantity, the smoke and the oil smoke are absorbed by the smoke discharging column 6, the smoke discharging hose 3, the smoke discharging fan 4, the oil smoke generated during the barbecue process, or the splashed oil stain can not contact the translucent cover 1 under the action of the air flow direction, therefore, the light-transmitting cover 1 is not overheated and is cleaner when in use, so that a user can observe the temperature of food materials in real time conveniently, oil stains are prevented from being splashed outwards and scalding is avoided, and the appetite is increased.

As shown in fig. 1-25, the light-transmitting cover 1 is made of a light-transmitting material, and has the functions of transmitting light, constructing an airflow channel between the lower edge and the upper surface of the base, guiding air, shielding smoke dust and splashed objects, and enhancing the aesthetic degree of the utility model; the top divide into the opening and does not open the two kinds of forms, for the different joint relation of the hose 3 of discharging fume and the post 6 of arranging fume provides the condition, inboard lower surface with discharge fume the post 6 upper end be connected and can dismantle, convenient clean maintenance.

As shown in fig. 1-25, further, one end of the smoke exhaust hose 3 is connected with the smoke exhaust column 6 in a clamping manner, the other free end is connected with the exhaust fan 4, the exhaust fan 4 exhausts the gas in the smoke exhaust hose 3 to maintain the negative pressure state inside the smoke exhaust column 6, the side wall of the smoke exhaust column 6 is fully provided with air holes, the mixed gas of air and smoke outside the smoke exhaust column 6 is at normal pressure, so that the mixed gas can enter the smoke exhaust column 6 through the air holes on the side wall of the smoke exhaust column 6 and is exhausted to a designated area through the smoke exhaust hose 3 and the exhaust fan 4.

As shown in fig. 1 to 25, the solid fuel type ash box 9 and the gas type ash box 10 are both of a drawing structure and can be inserted into or drawn out from an ash box opening 205 arranged in front of the base 2, and the gas type ash box 10 is different from the solid fuel type ash box 9 in that: the gas type ash box 10 is provided with a gas input port 1003, a gas pipe can be connected to introduce gas into the gas type ash box 10, the gas type ash box 10 is divided into an upper layer and a lower layer by a gas type ash box combustion plate 1001, a plurality of air vents are arranged on the gas type ash box combustion plate 1001, the rear end of the lower layer is closed, and the gas can be discharged upwards through the air vents on the lower layer of the gas type ash box 10 and the gas type ash box combustion plate 1001 to be in contact with air and ignited to form flame, so that heat is provided for heating or barbecue; the solid fuel type ash box 9 is divided into an upper layer and a lower layer by the solid fuel type ash box combustion plate 901, a gas input port is not arranged, but the lower layer at the rear end is opened, the port is a solid fuel type ash box ash pouring port 903, and fresh air entering the base 2 through the air inlet valve 8 can enter the solid fuel combustion area at the upper layer of the solid fuel type ash box 9 through the solid fuel type ash box ash pouring port 903 and the solid fuel type ash box combustion plate 901 for supporting combustion.

As shown in fig. 1 to 25, the intake valve 8 is provided at an intake port 204 on the side of the base, and is adjustable in opening size, and functions to adjust the amount of air taken into the base 2 per unit time, thereby adjusting the amount of combustion power.

Although the present invention has been described with reference to the specific embodiments shown in the drawings, it is not intended to limit the scope of the present invention, and various modifications and variations can be made by those skilled in the art without inventive changes based on the technical solution of the present invention.

Claims (7)

1. An oven, its characterized in that: the device comprises two light-transmitting covers, namely a lower opening light-transmitting cover and an upper opening light-transmitting cover, a base, a smoke exhaust hose, an exhaust fan, a power cord, a smoke exhaust column, a fire net, an inlet valve, a solid fuel type ash box and a gas type ash box; the inner part of the base is of a hollow structure, the upper surface of the base is provided with a smoke outlet and a fire screen port, the side surface of the base is provided with an air inlet, the front surface of the base is provided with an ash box port, the back surface of the base is provided with a smoke exhaust hose port, the smoke exhaust column is provided with an opening clamping position which can be connected with a smoke exhaust hose from top to bottom and can be closed, the vertical surface of the smoke exhaust column is provided with a plurality of air holes, the bottom of the smoke exhaust column is connected with the smoke outlet on the upper surface of the base, the light-transmitting cover is provided with two opening forms which are respectively a hollow structure with an upper opening and a hollow structure with a lower opening, the lower surface of the inner side of the top of the light-transmitting cover is connected with and can be disassembled with the top of the smoke exhaust column, the smoke exhaust hose can be clamped at the lower end of the smoke exhaust column and penetrates out of the base through the smoke exhaust hose port on the back part of the base, the opening clamping position of the upper surface of the smoke exhaust column is sealed, the smoke exhaust hose can also be connected with the opening clamping position on the top end of the smoke exhaust column, the opening screens of arranging the tobacco column bottom this moment is closed to open-ended printing opacity cover about using, the air exhauster facility is in 3 hose free ends of discharging fume, the power cord is connected in the air exhauster, the fire net sets up in the fire net mouth of base upper surface, when using solid fuel the ash tray of solid fuel type passes through the ash tray mouth that the base was preceding to be set up and inserts the base, when using gas fuel the ash tray of gas type passes through the ash tray mouth that the base was preceding to be set up and inserts the base.

2. An oven according to claim 1, characterized in that: the light-transmitting cover has two forms, and the difference is that the lower opening light-transmitting cover and the upper opening light-transmitting cover are opened.

3. An oven according to claim 1, characterized in that: the light-transmitting cover is made of heat-resistant light-transmitting materials.

4. An oven according to claim 1, characterized in that: the upper part and the lower part of the smoke discharging column are provided with opening clamping positions which can be connected with smoke discharging hoses, the opening clamping positions can be opened or closed, and the vertical surface of the smoke discharging column is provided with a plurality of air holes.

5. An oven according to claim 1, characterized in that: the solid fuel type ash box and the gas type ash box are replaceable when different fuels are used, the solid fuel type ash box is inserted into the base through the ash box opening formed in the front of the base when the solid fuels are used, and the gas type ash box is inserted into the base through the ash box opening formed in the front of the base when the gas fuels are used.

6. An oven according to claim 1, characterized in that: the fire net is high temperature resistant.

7. An oven according to claim 1, characterized in that: the lower edge of the light-transmitting cover and the upper surface of the base form an airflow channel, so that clean air entering from the outside forms laminar flow and is blocked between flame, oil smoke and the inner surface of the light-transmitting cover.

Images