CN108265944B - Flue kuppe and flue system who has it - Google Patents
Flue kuppe and flue system who has it Download PDFInfo
- Publication number
- CN108265944B CN108265944B CN201810259473.1A CN201810259473A CN108265944B CN 108265944 B CN108265944 B CN 108265944B CN 201810259473 A CN201810259473 A CN 201810259473A CN 108265944 B CN108265944 B CN 108265944B
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- flue gas
- flue
- guide
- gas outlet
- channel
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/02—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention discloses a flue air guide sleeve and a flue system with the same, wherein the flue air guide sleeve comprises: the flue gas channel is provided with a flue gas inlet and a flue gas outlet; the guide fins are arranged in the flue gas channel and extend obliquely upwards along the direction from the flue gas inlet to the flue gas outlet, and guide the fluid flowing out of the flue gas outlet upwards. According to the flue air guide sleeve provided by the embodiment of the invention, the smoke discharging resistance of an upper user to a lower user can be reduced, so that the smoke discharging efficiency is improved.
Description
Technical Field
The invention relates to the technical field of smoke exhaust, in particular to a flue guide cover and a flue system with the flue guide cover.
Background
The public vertical smoke exhaust system is a ventilation and exhaust mode commonly used in the current residential kitchen, and the smoke generated by the cooking of residents is exhausted to a public flue through a range hood.
Specifically, as shown in a flue system 1' of fig. 1, a range hood 10' in a kitchen is communicated with a public flue 40' through an indoor smoke exhaust channel 20', when the range hood 10' works, the smoke is discharged to the public flue 40', and because the smoke is fluid and is diffused all around in an unconstrained state, part of the smoke flows to the lower part of the public flue 40', so that the smoke exhaust resistance of an upper user to a lower user is increased, the smoke exhaust resistance of different floors is unevenly distributed, and the smoke exhaust efficiency is affected.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the flue guide cover which can reduce the smoke discharging resistance of an upper user to a lower user, thereby improving the smoke discharging efficiency.
The invention also provides a flue system with the flue air guide sleeve.
An embodiment according to a first aspect of the present invention proposes a flue duct comprising: the flue gas channel is provided with a flue gas inlet and a flue gas outlet; the guide fins are arranged in the flue gas channel and extend obliquely upwards along the direction from the flue gas inlet to the flue gas outlet, and guide the fluid flowing out of the flue gas outlet upwards.
According to the flue air guide sleeve provided by the embodiment of the invention, the smoke discharging resistance of an upper user to a lower user can be reduced, so that the smoke discharging efficiency is improved.
According to some embodiments of the invention, a portion of the guide fin is disposed within the flue gas channel and another portion extends out of the flue gas channel from the flue gas outlet.
Further, a portion of the guide fin extending out of the smoke passage is arranged flush with the cover body in the axial direction of the smoke outlet or exceeds the cover body.
According to some embodiments of the invention, the guide fins have a maximum inclination angle α with respect to the horizontal, 0 ° < α < 90 °.
According to some specific examples of the invention, the cross section of the guide fin is arc-shaped or straight-line-shaped.
According to some specific examples of the invention, the guide fins are provided with guide ribs which extend obliquely upwards along the direction from the flue gas inlet to the flue gas outlet along with the guide fins.
Further, the plurality of guide ribs are arranged in a direction orthogonal to the axial direction of the flue gas outlet.
According to some embodiments of the invention, the guide fins are plural and are arranged at intervals in the up-down direction.
Further, a plurality of the guide fins are provided at equal intervals in the up-down direction.
Further, the pitch of the plurality of guide fins gradually increases or gradually decreases in the up-down direction.
Further, the widths of the plurality of guide fins are equal to each other.
Further, the widths of the plurality of guide fins gradually increase or gradually decrease in the top-to-bottom direction.
Further, edges of the plurality of guide fins adjacent to the smoke inlet are flush in the axial direction of the smoke outlet.
According to some specific examples of the invention, the cover comprises: the flue gas channel, the flue gas inlet and the flue gas outlet are formed in the fixed plate part; the interface part is arranged on the fixed plate part and around the flue gas outlet, and the guide fins are arranged on the fixed plate part and/or the interface part.
Further, the inner diameter of the interface portion is smaller than the inner diameter of the fixing plate portion, and a transition slope is configured between the inner peripheral surface of the interface portion and the inner peripheral surface of the fixing plate portion.
Further, the interface portion extends in the circumferential direction of the smoke outlet and a midpoint of the second cover body in the length direction thereof is located at the lowest position of the smoke outlet.
Further, the central angle of the interface part is beta, and beta is more than or equal to 30 degrees and less than or equal to 360 degrees
Further, the width of the interface part is b, and 0mm < b < 100mm.
According to some specific examples of the invention, the fixing plate portion includes: a fixing plate adapted to be fixed to a wall; and the connecting ring is arranged on the fixing plate.
Further, the fixing plate portion is integrally formed with the interface portion.
According to some embodiments of the invention, the flue guide sleeve is a common flue guide sleeve.
An embodiment according to a second aspect of the invention proposes a flue system comprising: an indoor smoke exhaust channel; a common flue; according to an embodiment of the first aspect of the present invention, the cover is connected between the indoor smoke exhaust channel and the common flue, and the smoke channel is communicated with the indoor smoke exhaust channel through the smoke inlet and is communicated with the common flue through the smoke outlet.
The flue system provided by the embodiment of the invention has the advantages of high smoke discharging efficiency and the like.
According to some specific examples of the invention, the common tunnel extends in an up-down direction.
According to some specific examples of the invention, the hood is mounted on a wall between the indoor smoke evacuation channel and the common flue.
According to some embodiments of the invention, the indoor smoke evacuation channel is adapted to be connected to a range hood.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic diagram of a prior art flue system.
Fig. 2 is a perspective view of a flue pod according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a flue pod according to an embodiment of the present invention.
Fig. 4 is an enlarged view of the area a in fig. 3.
Fig. 5 is a front view of a flue guide sleeve according to an embodiment of the present invention.
Fig. 6 is a perspective view of a flue system according to an embodiment of the present invention.
Fig. 7 is a schematic structural view of a flue system according to an embodiment of the present invention.
Reference numerals:
the prior art comprises the following steps:
a flue system 1', a range hood 10', an indoor smoke exhaust channel 20', a public flue 40';
the invention comprises the following steps:
a flue system 1,
The range hood 10, the indoor smoke exhaust channel 20, the flue guide cover 30, the public flue 40,
Guide fins 310 and guide ribs 320.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The following describes a flue gas guide cover 30 according to an embodiment of the present invention with reference to the accompanying drawings, and the flue gas guide cover 30 may be a common flue gas guide cover, that is, the flue gas guide cover 30 is installed in a common flue, for discharging indoor flue gas to the common flue.
As shown in fig. 2-7, the flue guide sleeve 30 according to an embodiment of the present invention includes a sleeve body 100 and guide fins 310.
The housing 100 has a flue gas channel 110, the flue gas channel 110 having a flue gas inlet 120 and a flue gas outlet 130. For example, the cover 100 defines a flue gas channel 110 extending in a front-rear direction, the flue gas inlet 120 is located at a front end of the flue gas channel 110, the flue gas outlet 130 is located at a rear end of the flue gas channel 110, and a fluid such as flue gas can enter the flue gas channel 110 through the flue gas inlet 120 and be discharged from the flue gas outlet 130 along the flue gas channel 110.
The guide fins 310 are provided in the flue gas channel 110, the guide fins 310 extend obliquely upward in a direction from the flue gas inlet 120 to the flue gas outlet 130, and as shown in fig. 3, the guide fins 310 have a maximum inclination angle α with respect to the horizontal direction of 0 ° < α < 90 °, preferably α=50°. Specifically, the guide fins 310 are provided at the smoke outlet 130, the guide fins 310 extend gradually upward from front to back, and the guide fins 310 guide the fluid flowing out of the smoke outlet 130 upward. Specifically, when a fluid such as smoke enters the smoke passage 110 from the smoke inlet 120, the smoke is discharged from the smoke outlet 130 through the guide fins 310, and when the smoke passes through the guide fins 310, the guide fins 310 can guide the smoke to flow upward even if the smoke flowing out of the smoke outlet 130 flows upward.
According to the flue air guide sleeve 30 provided by the embodiment of the invention, the guide fins 310 are arranged, and the guide fins 310 play a role in guiding and restraining fluids such as flue gas, so that the guide function is realized, the impact loss and downward diffusion of air flow to a public flue can be weakened, the flue gas entering the public flue flows upwards to be discharged towards the outlet direction of the public flue, the flue gas is guided to be smoothly discharged out of the public flue, the smoke discharging resistance of an upper-layer resident to a lower-layer resident is greatly reduced, the mutual influence between different floors is weakened, and the integral smoke discharging efficiency of the public flue is improved.
A flue duct 30 according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 2-7, the flue guide sleeve 30 according to an embodiment of the present invention includes a sleeve body 100 and guide fins 310.
Wherein, as shown in fig. 2 and 3, a part of the guide fins 310 is disposed in the flue gas channel 110, and another part of the guide fins 310 extends out of the flue gas channel 110 from the flue gas outlet 130, so that the flue gas guided and restrained by the guide fins 310 can rise rapidly in the public flue.
Further, the portion of the guide fin 310 protruding from the smoke passage 110 is disposed flush with the housing 100 in the axial direction of the smoke outlet 130. In other words, the guide fins 310 do not extend rearward beyond the shroud 100. In this way, the guide fins 310 do not occupy the space of the public flue, and the guide fins 310 are prevented from obstructing the smoke emission in the public flue, so that the smoke discharging efficiency of the public flue is further improved.
Of course, the portion of the guide fin 310 extending out of the flue gas channel 110 may extend beyond the housing 100 in the axial direction of the flue gas outlet 130.
Alternatively, as shown in fig. 3, the cross section of the guide fin 310 is arc-shaped, and a tangent to an end (i.e., rear end) of the cross section of the guide fin 310 adjacent to the common flue has a maximum inclination angle α with respect to the horizontal direction.
Of course, the present invention is not limited thereto, and the cross section of the guide fin 310 may be linear, i.e., the guide fin 310 is a plate-like structure.
In some specific examples of the present invention, as shown in fig. 2 and 3, the guide fins 310 are plural and are arranged at intervals in the up-down direction. Specifically, each guide fin 310 extends in the left-right direction, that is, the length direction of the guide fin 310 is oriented in the left-right direction, and a plurality of guide fins 310 are arranged at intervals in the up-down direction. This improves the amount and efficiency of guiding the fluid such as the flue gas by the plurality of guide fins 310.
Alternatively, the plurality of guide fins 310 are disposed at equal intervals in the up-down direction, i.e., the distances between adjacent guide fins 310 are equal, and the plurality of guide fins 310 are uniformly distributed in the up-down direction. Of course, the pitch of the plurality of guide fins 310 may be gradually increased or gradually decreased in the up-down direction.
Preferably, the plurality of guide fins 310 are uniformly distributed in the up-down direction to improve the uniformity of the guide.
Alternatively, the widths of the plurality of guide fins 310 are equal to each other, and the width of the guide fins 310 is a dimension extending substantially in the front-rear direction and along with the shape of the cross section of the guide fins 310. Of course, the width of the plurality of guide fins 310 may be gradually increased or gradually decreased in the up-down direction.
Preferably, the width of the plurality of guide fins 310 is gradually increased in the up-to-down direction to further prevent the downward diffusion of the flue gas discharged to the common tunnel.
In embodiments in which the width of the plurality of guide fins 310 gradually increases or decreases in the up-to-down direction, the edges of the plurality of guide fins 310 adjacent to the flue gas inlet 120 are disposed flush in the axial direction of the flue gas outlet 130. I.e., the front ends of the cross sections of the plurality of guide fins 310 are disposed flush in the front-rear direction.
In some specific examples of the present invention, as shown in fig. 2 and 4, the guide fins 310 are provided with guide ribs 320. The deflector rib 320 extends obliquely upward along the direction from the flue gas inlet 120 to the flue gas outlet 130 along with the deflector fin 310. For example, the guide rib 320 is provided on the upper surface of the guide fin 310 and extends in the width direction of the guide fin 310. By providing the guide rib 320 on the surface of the guide fin 310, not only the structural strength of the guide fin 310 can be enhanced, but also the vortex breaking can be rectified, so that the fluid flowing through the guide fin 310 is more stable.
Further, in order to further improve the flow guiding function of the flow guiding ribs 320, a plurality of flow guiding ribs 320 are disposed on each flow guiding fin 310, and the plurality of flow guiding ribs 320 are arranged along a direction orthogonal to the axial direction of the flue gas outlet 130, i.e. the plurality of flow guiding ribs 320 are disposed at intervals, for example, at equal intervals, along the length direction of the flow guiding fin 310.
In some embodiments of the present invention, as shown in fig. 2 and 3, the cover 100 includes a fixing plate portion 150 and an interface portion 160.
The fixing plate portion 150 is used for connecting an indoor smoke exhaust passage, and is adapted to be fixed to a wall, and the smoke passage 110, the smoke inlet 120 and the smoke outlet 130 are formed at the fixing plate portion 150. The interface 160 is provided on the fixing plate portion 150 for connecting to a common flue interface, the interface 160 is provided around the flue gas outlet 130, the guide fins 310 are provided on the fixing plate portion 150 and/or the interface 160, for example, the guide fins 310 may be provided on the fixing plate portion 150 and connected to the interface 160. Thus, the hood 100 is conveniently connected between the indoor smoke discharge passage and the common flue.
Specifically, as shown in fig. 2 and 3, the fixing plate portion 150 includes a fixing plate 180 and a connection ring 190.
The fixing plate 180 is adapted to be fixed to a wall. The connection ring 190 is provided to the fixing plate 180, for example, to the front surface of the fixing plate 180, and the connection ring 190 is adapted to be connected to an indoor smoke exhaust passage.
Wherein, the fixing plate 180 and the interface 160 may be integrally formed, to improve structural strength, simplify assembly process,
in some specific examples of the present invention, as shown in fig. 3 and 4, since the common flue port is generally smaller than the indoor smoke exhaust duct, the inner diameter of the port portion 160 is smaller than the inner diameter of the fixing plate portion 150 to accommodate the difference in inner diameters of the common flue port and the indoor smoke exhaust duct, the sealability of the connection of the cover body 100 is ensured, and a transition slope 170 is constructed between the inner circumferential surface of the port portion 160 and the inner circumferential surface of the fixing plate portion 150 to smoothly transition the flowing air flow, reducing the resistance of the air flow.
Specifically, as shown in fig. 2 and 5, the interface 160 extends in the circumferential direction of the smoke outlet 130, and a midpoint of the interface 160 in the longitudinal direction of the interface 160 is located at the lowest position of the smoke outlet 130. That is, the interface 160 extends upward from the lowest portion of the smoke outlet 130, and both ends of the guide fin 310 surrounded by the interface 160 are connected to the interface 160. The interface 160 serves to connect the common flue interface, and also serves to prevent downward diffusion of the flue gas, and to strengthen the structural strength of the guide fins 310.
Alternatively, as shown in fig. 3 and 5, the central angle of the interface portion 160 is β,30 β+.360 °, preferably β=180° in a plane orthogonal to the axial direction of the flue gas outlet 130. The width of the interface 160 in the axial direction (front-rear direction) of the fume outlet 130 is b,0mm < b < 100mm. Thereby, both the reliability of the connection with the common flue interface and the guiding of the air flow and the protective effect of the guide fins 310 can be ensured.
A flue system 1 according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 6 and 7, the flue system 1 according to the embodiment of the present invention includes an indoor smoke discharge duct 20, a common flue 40, and a flue guide 30.
The indoor smoke evacuation channel 20 is provided indoors, for example in a kitchen. The common tunnel 40 may extend in the up-down direction. The cover body 100 of the flue guide cover 30 is connected between the indoor smoke discharging channel 20 and the public flue 40, the smoke channel 110 is communicated with the indoor smoke discharging channel 20 through a smoke inlet 120, and the smoke channel 110 is communicated with the public flue 40 through a smoke outlet 130.
In some embodiments of the present invention, the indoor smoke evacuation channel 20 is adapted to be connected to the extractor hood 10, and the hood 100 is mounted on a wall between the indoor smoke evacuation channel 20 and the common flue 40 to secure the flue hood 30.
According to the flue system 1 of the embodiment of the present invention, by using the flue guide cover 30 according to the above embodiment of the present invention, the smoke exhaust resistance of the upper user to the lower user can be reduced, so that there are advantages such as high smoke exhaust efficiency.
Other constructions and operations of the flue guide 30 and the flue system 1 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (23)
1. A flue pod, comprising:
the flue gas channel is provided with a flue gas inlet and a flue gas outlet;
the guide fin is arranged in the flue gas channel and extends upwards in an inclined mode along the direction from the flue gas inlet to the flue gas outlet, the guide fin guides fluid flowing out of the flue gas outlet upwards, one part of the guide fin is arranged in the flue gas channel, the other part of the guide fin extends out of the flue gas channel from the flue gas outlet, and the part of the guide fin extending out of the flue gas channel is arranged in the axial direction of the flue gas outlet and is flush with the cover body.
2. The flue duct according to claim 1, wherein the guide fins have a maximum inclination angle α with respect to the horizontal, 0 ° < α < 90 °.
3. The flue duct according to claim 1, wherein the cross section of the guide fins is arc-shaped or rectilinear.
4. The flue gas guide sleeve according to claim 1, wherein the guide fins are provided with guide ribs extending obliquely upward along the direction from the flue gas inlet to the flue gas outlet along with the guide fins.
5. The flue gas guide sleeve according to claim 4, wherein the plurality of ribs are arranged in a direction orthogonal to the axial direction of the flue gas outlet.
6. The flue gas guide sleeve according to claim 1, wherein the guide fins are plural and are arranged at intervals in the up-down direction.
7. The flue gas guide sleeve of claim 6 wherein a plurality of said guide fins are equally spaced in an up-down direction.
8. The flue duct of claim 6, wherein the spacing of the plurality of guide fins increases or decreases progressively in a top-to-bottom direction.
9. The flue duct of claim 6, wherein the widths of the plurality of guide fins are equal to one another.
10. The flue duct of claim 6, wherein the width of the plurality of guide fins increases or decreases gradually in a top-to-bottom direction.
11. The flue duct of claim 10, wherein edges of the plurality of guide fins adjacent the flue gas inlet are disposed flush in an axial direction of the flue gas outlet or extend beyond the shroud.
12. The flue gas guide sleeve of any one of claims 1 to 11 wherein said sleeve includes:
the flue gas channel, the flue gas inlet and the flue gas outlet are formed in the fixed plate part;
the interface part is arranged on the fixed plate part and around the flue gas outlet, and the guide fins are arranged on the fixed plate part and/or the interface part.
13. The flue duct of claim 12, wherein the interface portion has an inner diameter that is smaller than an inner diameter of the stationary plate portion, and a transition slope is configured between an inner peripheral surface of the interface portion and an inner peripheral surface of the stationary plate portion.
14. The flue gas guide sleeve according to claim 12, wherein the interface extends circumferentially of the flue gas outlet and a midpoint of the second sleeve along its length is located at a lowest position of the flue gas outlet.
15. The flue gas guide sleeve according to claim 14, wherein the central angle of the interface is β, β being 30 ° or more and 360 ° or less.
16. The flue duct of claim 12, wherein the interface has a width b,0mm < b < 100mm.
17. The flue duct of claim 12, wherein the stationary plate portion includes:
a fixing plate adapted to be fixed to a wall;
and the connecting ring is arranged on the fixing plate.
18. The flue duct of claim 12, wherein the securing plate portion is integrally formed with the interface portion.
19. The flue gas guide sleeve of claim 1 wherein said flue gas guide sleeve is a common flue gas guide sleeve.
20. A flue system, comprising:
an indoor smoke exhaust channel;
a common flue;
the flue duct of any one of claims 1-19, the housing being connected between the indoor smoke evacuation channel and the common flue, the smoke evacuation channel being in communication with the indoor smoke evacuation channel through the smoke inlet and with the common flue through the smoke outlet.
21. The flue system of claim 20 wherein the common flue extends in an up-down direction.
22. The flue system of claim 20 wherein said housing is mounted to a wall between said indoor smoke evacuation channel and said common flue.
23. The flue system of claim 20 wherein said indoor smoke evacuation passageway is adapted for connection to a range hood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810259473.1A CN108265944B (en) | 2018-03-27 | 2018-03-27 | Flue kuppe and flue system who has it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810259473.1A CN108265944B (en) | 2018-03-27 | 2018-03-27 | Flue kuppe and flue system who has it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108265944A CN108265944A (en) | 2018-07-10 |
| CN108265944B true CN108265944B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810259473.1A Active CN108265944B (en) | 2018-03-27 | 2018-03-27 | Flue kuppe and flue system who has it |
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| CN (1) | CN108265944B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2159507Y (en) * | 1993-04-05 | 1994-03-23 | 曹明生 | Flow guiding chimney |
| CN2444022Y (en) * | 2000-06-16 | 2001-08-22 | 聂法玉 | Preventing cross flue pipe |
| CN101358660A (en) * | 2008-08-05 | 2009-02-04 | 王守山 | Anti-cross valve without choke |
| CN201730294U (en) * | 2010-07-07 | 2011-02-02 | 上海市安装工程有限公司 | Rectifier grille used in smoke exhaust fireproof valve upstream smoke exhaust air duct |
| CN203640224U (en) * | 2013-07-25 | 2014-06-11 | 杭州小米环境科技有限公司 | Structure of variable conduction type exhaust passage |
| CN208184155U (en) * | 2018-03-27 | 2018-12-04 | 广东美的厨房电器制造有限公司 | Flue pod and flue system with it |
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2018
- 2018-03-27 CN CN201810259473.1A patent/CN108265944B/en active Active
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