CN111197759B - Prevent down-draught tobacco pipe - Google Patents
Prevent down-draught tobacco pipe Download PDFInfo
- Publication number
- CN111197759B CN111197759B CN201811381856.2A CN201811381856A CN111197759B CN 111197759 B CN111197759 B CN 111197759B CN 201811381856 A CN201811381856 A CN 201811381856A CN 111197759 B CN111197759 B CN 111197759B
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- Prior art keywords
- wind
- smoke
- ratchet
- wheel
- pendulum
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/28—Wind motors characterised by the driven apparatus the apparatus being a pump or a compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/30—Wind motors specially adapted for installation in particular locations
- F03D9/34—Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
- F23L17/005—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues using fans
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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
- F24C15/001—Details arrangements for discharging combustion gases
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Flow Control Members (AREA)
Abstract
A down-draft prevention smoke tube comprises a smoke tube body, a shell, a ratchet wheel, a wind pendulum, a rotating shaft, a wind wheel, a driving center and a driven center, wherein the shell is arranged at the front end of the smoke tube body and covers the front end opening of the smoke tube body; the ratchet wheel is rotatably arranged in the shell, the outer ring of the ratchet wheel is provided with ratchet teeth, and the inner side of the ratchet wheel is provided with a gear ring; the wind pendulum is arranged on the shell in a back-and-forth swinging manner, the tail end of the wind pendulum is provided with a driving center which is matched with the ratchet to drive the ratchet to rotate, and the front end of the rotating shaft is provided with an accelerating gear which is in meshing transmission with the gear ring; the driven centre is matched with the ratchet to limit the reverse rotation of the ratchet; the side wall of the smoke pipe body is provided with a smoke exhaust hole which can receive smoke discharged by the wind wheel in the radial direction. After the wind pendulum is subjected to wind, force is transmitted to the ratchet wheel through the matching of the driving center and the driven center, the ratchet wheel rotates in a single direction and is transmitted to the wind wheel through the accelerating gear, and the wind wheel discharges smoke through the smoke discharge hole, so that the aims of resisting wind pressure and preventing downwind are fulfilled.
Description
Technical Field
The invention relates to a smoke exhaust pipe, in particular to a smoke exhaust pipe applied to a gas water heater, a dual-purpose furnace or a range hood.
Background
In the process of daily use of products such as a water heater or a range hood, once the products meet strong wind weather, the exhaust of smoke is greatly influenced, and the water heater can even be flamed out, so that the use and safety of a user are seriously influenced, and the following problems are specifically caused:
1. when the wind pressure is too big, the flue gas can not normally be discharged, influences the gas burning, reduce efficiency.
2. The wind flows back into the water heater, which can cause dangerous situations such as backfire, flameout, and CO exceeding standard.
In the aspect of preventing downdraft, many efforts and attempts have been made in the prior art, and see a Chinese utility model patent with patent number ZL200520062934.4, a double downdraft prevention smoke exhaust pipe (with the granted publication number CN 2856837Y); the upper and lower layers of the anti-downdraft pieces realize double anti-downdraft effects; see also chinese utility model patent No. ZL201220107068.6 "wind pressure resistant tobacco pipe of forced-ventilated gas water heater" (No. CN202547088U), this patent adopts smoke guide plate, deep bead, smoke guide plate is a cylindrical body with big end down, smoke guide plate lower extreme is equipped with smoke guide inlet, smoke guide plate upper end is equipped with smoke guide outlet, smoke guide plate is installed in the tobacco pipe and is close to smoke outlet, deep bead is the annular plate that is equipped with the exhaust hole, the projection of exhaust hole in deep bead central line direction is located the periphery of smoke guide outlet of smoke guide plate, the deep bead is installed in smoke outlet of tobacco pipe, the region of tobacco pipe between smoke guide plate and deep bead is equipped with the structure of exhaust hole, can in time discharge after having irritated backward wind entering tobacco pipe, do not cause the influence to normally discharging fume, so it can guarantee the normal work of forced-ventilated gas water heater host computer effectively when low load burning condition and outdoor wind is great.
Disclosure of Invention
The invention aims to solve the technical problem of additionally providing a down-draft-proof smoke exhaust pipe aiming at the technical current situation.
The invention provides a down-draft prevention smoke exhaust pipe which utilizes external wind power to assist in smoke exhaust.
The technical scheme adopted by the invention for solving the technical problems is as follows: a down-draft-proof smoke tube comprises a smoke tube body and is characterized by also comprising
The shell is arranged at the front end of the smoke tube body and covers the front port of the smoke tube body;
a ratchet wheel rotatably arranged in the shell, wherein the outer ring of the ratchet wheel is provided with ratchet teeth and the inner side of the ratchet wheel is provided with a gear ring;
the wind pendulum is arranged on the shell in a back-and-forth swinging manner, the tail end of the wind pendulum is provided with a driving center which is matched with the ratchet to drive the ratchet to rotate, and two sides of the driving center are respectively provided with a first compression spring and a second compression spring;
the rotating shaft is axially arranged on the shell and can rotate, and the front end of the rotating shaft is provided with an accelerating gear which is in meshing transmission with the gear ring;
the wind wheel is positioned in the smoke tube body and is connected with the rear end of the rotating shaft; and
the driven centre is elastically arranged in the shell and is matched with the ratchet to limit the reverse rotation of the ratchet;
the side wall of the smoke pipe body is provided with a smoke exhaust hole which can receive smoke discharged by the wind wheel in the radial direction.
Preferably, the housing includes a bottom plate and a cylindrical enclosure wall extending outward from the bottom plate in the axial direction, the bottom plate is disposed on the front end of the smoke tube body, and has a shaft hole in the middle for the rotating shaft to pass through, the bottom plate is provided with a fulcrum shaft rotatably connected with the wind pendulum and a rotating shaft connected with the accelerating gear, and the top end of the enclosure wall is provided with an arc-shaped guide hole for the wind pendulum to move back and forth.
Further, an arc-shaped guide rail is arranged on the inner side of the enclosing wall close to the guide hole, and correspondingly, the wind pendulum is provided with a guide hole matched with the arc-shaped guide rail in a guiding mode.
Furthermore, the first compression spring and the second compression spring are both sleeved on the arc-shaped guide rail and abut against the wind pendulum.
The arrangement of the driven center is preferably as follows: the inner side of the surrounding wall is provided with a spring seat, a return spring is arranged in the spring seat, and the driven tip is arranged in the spring seat and is abutted against the return spring.
The wind pendulum comprises a first wind receiving part, a second wind receiving part and a swing rod connected with the first wind receiving part and the second wind receiving part, the first wind receiving part and the second wind receiving part are both positioned at the outer end of the shell, the first wind receiving part and the second wind receiving part are both provided with bowl-shaped wind receiving surfaces with opposite wind directions, the swing rod penetrates through the guide hole, and the driving tip is arranged at the bottom end of the swing rod.
The port of the wind wheel faces the rear end of the lower smoke tube body.
The smoke exhaust holes are multiple and are annularly arranged on the side wall of the smoke pipe body around the wind wheel.
Compared with the prior art, the invention has the advantages that: after the wind pendulum is subjected to wind, force is transmitted to the ratchet wheel through the matching of the driving center and the driven center, the ratchet wheel rotates in a single direction and is transmitted to the wind wheel through the accelerating gear, and the wind wheel discharges smoke through the smoke discharge hole, so that the purposes of wind pressure resistance and anti-downwind are achieved, and the effect is enhanced along with the enhancement of external wind power.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment.
Fig. 2 is a schematic view of another structure of the embodiment.
Fig. 3 is an exploded view of the embodiment.
FIG. 4 is a sectional view of the embodiment.
FIG. 5 is an initial state diagram of the embodiment.
FIG. 6 is a state diagram after the embodiment receives wind.
FIG. 7 is a view showing a state after the ratchet of the embodiment rotates.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 4, the anti-downdraft smoke tube in this embodiment includes a smoke tube body 1, a housing 3, a ratchet 6, a wind pendulum 4, a rotating shaft 5, a wind wheel 2, a driving center 44, and a driven center 7.
The shell 3 is arranged at the front end of the smoke tube body 1 and covers the front end opening of the smoke tube body 1; a ratchet 6 is rotatably provided in the housing 3, and the ratchet 6 has ratchet teeth 61 on the outer ring and a ring gear 62 on the inner side.
The wind pendulum 4 is arranged on the shell 3 in a swinging manner, the tail end of the wind pendulum is provided with a driving centre 44 which is matched with the ratchet 61 to drive the ratchet 6 to rotate, and the two sides of the driving centre 44 are respectively provided with a first compression spring 38 and a second compression spring 39.
The rotating shaft 5 is axially arranged on the shell 3 and can rotate, and the front end of the rotating shaft is provided with an accelerating gear 51 which is in meshing transmission with the gear ring 62; the wind wheel 2 is positioned in the smoke tube body 1 and is connected with the rear end of the rotating shaft 5; the port of the wind wheel 2 faces the rear end of the lower smoke tube body 1.
The driven centre 7 is resiliently located within the housing 3 and cooperates with the ratchet teeth 61 to restrict reverse rotation of the ratchet 6.
The side wall of the smoke tube body 1 is provided with a plurality of smoke holes 11, and the smoke holes 11 are annularly arranged on the side wall of the smoke tube body 1 around the wind wheel 2. The smoke exhaust hole 11 can receive smoke discharged radially by the wind wheel 2.
Referring to fig. 3, the housing 3 of the present embodiment includes a bottom plate 31 and a cylindrical surrounding wall 32 extending outward from the bottom plate 31 in the axial direction, the bottom plate 31 is disposed on the front end of the smoke tube body 1 and has a shaft hole 33 in the middle for the rotation shaft 5 to pass through, the bottom plate 31 is provided with a fulcrum shaft 35 rotatably connected to the wind pendulum 4 and a rotation shaft 36 connected to the accelerating gear 51, and the top end of the surrounding wall 32 is provided with an arc-shaped guide hole 34 for the wind pendulum 4 to move back and forth. An end cap (not shown) may be provided at the end of the wall 32 to protect the ratchet 6 and the accelerator gear 51 from external influences.
The inner side of the surrounding wall 32 is provided with an arc-shaped guide rail 37 adjacent to the guide hole 34, and correspondingly, the wind pendulum 4 is provided with a guide hole 34 which is matched with the arc-shaped guide rail 37 in a guiding way. The first compression spring 38 and the second compression spring 39 are both sleeved on the arc-shaped guide rail 37 and are abutted against the wind pendulum 4. A spring seat 71 is provided inside the surrounding wall 32, a return spring 72 is provided in the spring seat 71, and the driven center 7 is provided in the spring seat 71 and abuts against the return spring 72.
The wind pendulum 4 comprises a first wind receiving part 41, a second wind receiving part 42 and a swing rod 43 connected with the first wind receiving part 41 and the second wind receiving part 42, the first wind receiving part 41 and the second wind receiving part 42 are both positioned at the outer end of the shell 3, the first wind receiving part 41 and the second wind receiving part 42 are both provided with bowl-shaped wind receiving surfaces with opposite wind directions, the swing rod 43 penetrates through the guide hole 34, and the driving center 44 is arranged at the bottom end of the swing rod 43.
In a natural environment, wind in the vertical direction is rare, the influence of wind in the front-back direction on the smoke pipe is small, and side wind in the left-right direction is directly blown into the smoke exhaust hole 11, so that the smoke exhaust effect is greatly influenced, as shown in the combined drawings of fig. 5-7, when the side wind blows, the wind pendulum 4 rotates around the swing rod and simultaneously extrudes the second compression spring 38 on the arc-shaped guide rail 37 to stretch the first compression spring 37, the driving tip 44 stirs the flat end surface of the ratchet 61 to enable the ratchet 6 to rotate and simultaneously drive the gear ring 62 to rotate, the inclined end surface of the ratchet 61 pushes the driven tip 7 and compresses the reset spring 72, and the driven tip 7 resets under the action of the reset spring until the ratchet rotates by one; after the wind pendulum 4 moves rightwards to the maximum distance, the wind pendulum is reset leftwards under the action of the first compression spring 37 and the second compression spring 38, the ratchet 6 cannot rotate reversely because the driven tip 7 is abutted against the flat end face of the ratchet in the resetting process, and the driving tip 44 is compressed under the action of the inclined end face of the ratchet 61; the wind pendulum 4 moves to the left to the maximum distance and then continues to reset to the right, and the reciprocating is carried out in a circulating way no matter whether the wind is left wind or right wind. Therefore, the wind pendulum 4 swings left and right under the action of the side wind, the first compression spring 37 and the second compression spring 38 to drive the ratchet 6 to rotate, then the rotation of the rotating shaft 5 is realized through the acceleration of the accelerating gear 51, and the rotating shaft 5 drives the wind wheel 2 to rotate and blow air to the smoke exhaust hole 11. If the wind is in the non-working state, the wind can prevent external wind from entering, so that the aim of preventing the wind from falling is fulfilled; if the wind wheel is in a working state, a negative pressure area is arranged in the rotating wind wheel 2, so that a suction force is generated and the smoke is sucked, meanwhile, the wind blown out from the periphery of the wind wheel can generate an injection effect, and the smoke is further assisted to be discharged, so that the purpose of resisting wind pressure is achieved.
Claims (5)
1. A down-draft prevention smoke tube comprises a smoke tube body (1) and is characterized by further comprising
A shell (3) which is arranged at the front end of the smoke tube body (1) and covers the front end opening of the smoke tube body (1);
a ratchet (6) rotatably provided in the housing (3), wherein the outer ring of the ratchet (6) has ratchet teeth (61) and the inner side thereof is provided with a gear ring (62);
the wind pendulum (4) is arranged on the shell (3) in a back-and-forth swinging mode, the tail end of the wind pendulum is provided with a driving center (44) which is matched with the ratchet (61) to drive the ratchet (6) to rotate, and two sides of the driving center (44) are respectively provided with a first compression spring (38) and a second compression spring (39);
a rotating shaft (5) which is axially arranged on the shell (3) and can rotate, and the front end of the rotating shaft is provided with an accelerating gear (51) which is in meshing transmission with the gear ring (62);
the wind wheel (2) is positioned in the smoke tube body (1) and is connected with the rear end of the rotating shaft (5); and
the driven centre (7) is elastically arranged in the shell (3) and is matched with the ratchet (61) to limit the reverse rotation of the ratchet wheel (6);
the side wall of the smoke pipe body (1) is provided with a smoke exhaust hole (11), and the smoke exhaust hole (11) can receive smoke discharged by the wind wheel (2) in the radial direction;
the smoke exhaust ventilator is characterized in that the shell (3) comprises a bottom plate (31) and a cylindrical surrounding wall (32) which extends outwards from the axial direction of the bottom plate (31), the bottom plate (31) is arranged on the front end opening of the smoke pipe body (1) and is provided with a shaft hole (33) in the middle for the rotating shaft (5) to penetrate through, a fulcrum shaft (35) which is rotatably connected with the wind pendulum (4) and a rotating shaft (36) which is connected with the accelerating gear (51) are arranged on the bottom plate (31), and the top end of the surrounding wall (32) is provided with an arc-shaped guide hole (34) for the wind pendulum (4) to move back and forth;
an arc-shaped guide rail (37) is arranged on the inner side of the surrounding wall (32) close to the guide hole (34), and correspondingly, the wind pendulum (4) is provided with a guide hole which is in guide fit with the arc-shaped guide rail (37);
the first compression spring (38) and the second compression spring (39) are sleeved on the arc-shaped guide rail (37) and are propped against the wind pendulum (4).
2. The anti-downdraft smoke pipe according to claim 1, wherein a spring seat (71) is arranged inside the surrounding wall (32), a return spring (72) is arranged inside the spring seat (71), and the driven tip (7) is arranged inside the spring seat (71) and is abutted against the return spring (72).
3. The anti-downdraft smoke pipe according to claim 1, wherein the wind pendulum (4) comprises a first wind receiving member (41), a second wind receiving member (42) and a swing rod (43) connected with the first wind receiving member (41) and the second wind receiving member (42), the first wind receiving member (41) and the second wind receiving member (42) are both located at the outer end of the housing (3), the first wind receiving member (41) and the second wind receiving member (42) are both provided with bowl-shaped wind receiving surfaces with opposite wind directions, the swing rod (43) penetrates through the guide hole (34), and the active center (44) is located at the bottom end of the swing rod (43).
4. The anti-downdraft smoke pipe according to claim 1, wherein the port of the wind wheel (2) faces the rear end of the lower smoke pipe body (1).
5. The anti-downdraft smoke pipe according to claim 1, wherein the smoke exhaust holes (11) are a plurality of and annularly arranged on the side wall of the smoke pipe body (1) around the wind wheel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381856.2A CN111197759B (en) | 2018-11-20 | 2018-11-20 | Prevent down-draught tobacco pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381856.2A CN111197759B (en) | 2018-11-20 | 2018-11-20 | Prevent down-draught tobacco pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111197759A CN111197759A (en) | 2020-05-26 |
| CN111197759B true CN111197759B (en) | 2021-10-29 |
Family
ID=70746095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811381856.2A Active CN111197759B (en) | 2018-11-20 | 2018-11-20 | Prevent down-draught tobacco pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN111197759B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154673A (en) * | 2021-05-27 | 2021-07-23 | 殷玲霞 | Wind-heat machine capable of adjusting wind direction and using method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2578456Y (en) * | 2002-11-13 | 2003-10-08 | 张广忠 | Self exhausted flue channel against backflow |
| DE20218591U1 (en) * | 2002-11-29 | 2003-03-13 | Baufa-Wärmekörper GmbH, 58708 Menden | Flat heating body has front wall formed by flat plate and rear wall by plate provided with indentations together with forward flow and backward flow |
| JP2004270463A (en) * | 2003-03-05 | 2004-09-30 | Mitsuba Corp | Fan device |
| CN201074568Y (en) * | 2007-09-06 | 2008-06-18 | 李安 | Anti-blowback wind power induced draft |
| CN201546890U (en) * | 2009-08-25 | 2010-08-11 | 傅鸣灏 | Large lead multiple thread passive blade feathering device |
| CN104315718A (en) * | 2014-10-24 | 2015-01-28 | 常州侨光电工器材有限公司 | Gas water heater exhaust tube |
| CN205372410U (en) * | 2016-02-19 | 2016-07-06 | 于都烈日之光太阳能科技有限公司 | Green type solar energy LED lamp |
| CN207442784U (en) * | 2017-11-10 | 2018-06-01 | 朱启发 | The pneumatic automatic tracking system of solar energy |
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2018
- 2018-11-20 CN CN201811381856.2A patent/CN111197759B/en active Active
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| Publication number | Publication date |
|---|---|
| CN111197759A (en) | 2020-05-26 |
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