CN106196401A - A kind of unpowered quick ventilating system of Factory Building - Google Patents
A kind of unpowered quick ventilating system of Factory Building Download PDFInfo
- Publication number
- CN106196401A CN106196401A CN201610753720.4A CN201610753720A CN106196401A CN 106196401 A CN106196401 A CN 106196401A CN 201610753720 A CN201610753720 A CN 201610753720A CN 106196401 A CN106196401 A CN 106196401A
- Authority
- CN
- China
- Prior art keywords
- bevel gear
- rotating disk
- wind
- factory building
- going barrel
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1004—Bearings or driving means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/16—Details or features not otherwise provided for mounted on the roof
Landscapes
- 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)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of unpowered quick ventilating system of Factory Building, wheel, wind direction board, main shaft, bevel gear a, bevel gear b, support, rotating disk, drive shaft, drive mechanism c, going barrel is driven including ventilation fan, wind, ventilation fan is arranged in the ventilating duct at Factory Building top, bevel gear b is arranged on fan axle, and bevel gear a engages with bevel gear b；Rotating disk is arranged on the exit, top of ventilating duct, and rotating disk bottom surface is provided with the gathering sill corresponding with ventilating duct；Support is arranged on the rotating pan, and wind drives wheel and is arranged on main shaft, and main shaft is rack-mount by bearing, and wind direction board is arranged on support, wind drives the symmetrical side of wheel, and the two ends of drive mechanism c connect power transmission shaft and main shaft respectively；Going barrel is arranged between drive shaft and power transmission shaft, and the two ends of winder connect power transmission shaft, drive shaft respectively by freewheel clutch；Bevel gear a installs on the driving shaft.The work area that wind of the present invention drives wheel is relatively big, even if less natural wind also can be rotated.
Description
Technical field
The present invention relates to building exhaust air equipment technical field, particularly relate to a kind of unpowered quick ventilating system of Factory Building.
Background technology
Some harmful gass can be produced, if these gases can not be arranged the most up hill and dale during the industry manufacture of workshop
Going out, can pollute air in workshop, harm people's is healthy.Therefore, the rational gas extraction system of mounting design is needed in workshop.Existing
Having, no-power air blower is to utilize nature wind-force and cross-ventilated principle, is flowed by the air of parallel direction, accelerates and turns
Become the most vertical air flowing, to improve a kind of device of room ventilation ventilation effect.It can be effectively by Factory Building
Scorching, dirty smelly or containing dust air in workshop is discharged, and indoor air temperature declines, and Temperature fall is also changed fresh air, reached
To climate comfort and the effect of exchange fresh air, no-power air blower is widely used in the Factory Building of light structure, workshop, warehouse, dining room.
Gas extraction system that roof is unpowered, according to the air natural law and air-flow flow principles, is arranged on the top of roofing, can quickly discharge
Indoor steam and dirty gas, improve working environment, protect enterprise employee health.
But, in the case of the calm or mild wind in outdoor, only it is aerated ventilation by no-power air blower and is difficult to reach to design
Requirement.
Summary of the invention
The present invention is directed to existing no-power air blower and cannot meet the problem of job requirement, develop a kind of Factory Building unpowered quickly
Ventilating system, even if this ventilating system is in the case of wind condition difference, also can keep ventilation fan rotating speed, in having ensured Factory Building
The air quality in portion.
The present invention solves the technical scheme of technical problem: a kind of unpowered quick ventilating system of Factory Building, including ventilation fan,
Wind drive wheel, wind direction board, main shaft, bevel gear a, bevel gear b, support, rotating disk, drive shaft, drive mechanism c, going barrel, surmount from
Clutch, power transmission shaft,
Ventilation fan is arranged in the ventilating duct at Factory Building top, ventilation fan be provided centrally with fan axle, fan axle be arranged on fixing
On frame, fixed mount is fixed in ventilating duct, and bevel gear b is arranged on fan axle, and bevel gear a engages with bevel gear b；
Rotating disk is arranged on the exit, top of ventilating duct, and rotation disk cover is on the end face of ventilating duct, and rotating disk bottom surface sets
It is equipped with the gathering sill corresponding with ventilating duct；
Support is arranged on the rotating pan, and wind drives wheel and is arranged on main shaft, and main shaft is rack-mount by bearing, wind direction board
Be arranged on support, wind drives the symmetrical side of wheel,
Power transmission shaft is rack-mount by bearing, and the two ends of drive mechanism c connect power transmission shaft and main shaft respectively；
Going barrel is arranged between drive shaft and power transmission shaft, is provided with winder in going barrel, and winder runs through going barrel,
The two ends of winder connect power transmission shaft, drive shaft respectively by freewheel clutch；
Bevel gear a installs on the driving shaft, and drive shaft one end is rack-mount by bearing, the other end connects clockwork spring
Axle.
As optimization, described drive mechanism c is sprocket wheel chain or Timing Belt synchronous pulley driving mechanism.
As optimization, described going barrel is fixed on support, is provided with clockwork spring circle in going barrel, and clockwork spring circle one end is fixed on
On going barrel inwall, the other end connect winder, winder is arranged on going barrel center.
As optimization, the side of described ventilating duct is provided with groove, and groove is positioned in gathering sill, and the side of rotating disk is arranged
Having the screwed hole corresponding with groove, install screw in screwed hole, screw inserts groove.
As optimization, described rotating disk being additionally provided with rain visor, rain visor has polylith, and rain visor is around rotating disk center
Axle is arranged, and is provided with fitting part, and fitting part is provided with gap between adjacent rain visor, and the top of rain visor is provided with top
Plate.
As optimization, described rain visor is sphere arc.
Beneficial effects of the present invention:
The work area that wind the most of the present invention drives wheel is relatively big, even if less natural wind also can be rotated.Wind drives wheel belt
Dynamic bevel gear a rotates, and bevel gear a band dynamic bevel gear b rotates, thus drives ventilation fan to rotate and realize power house ventilation ventilation, passes through
The speed change of bevel gear, wind drives the slower rotating speed of wheel can realize the quick rotation of ventilation fan, even if this ventilating system is at wind-force
In the case of condition difference, also can keep ventilation fan rotating speed, ensure the air quality within Factory Building.
2. connect drive shaft and main shaft by drive mechanism c, add the distance between drive shaft and main shaft so that wind drives
The work area of wheel can increase to bigger, and by the acceleration of drive mechanism c, ventilation fan can reach higher rotating speed, with
Time can suitably reduce size and the number of teeth of bevel gear a, decrease cost of manufacture.
3. by arranging going barrel, when having wind, wind energy storage is in going barrel, and when calm, going barrel drives ventilation fan
Rotate, system can continuous firing, do not limited by external wind, it is achieved Factory Building is persistently taken a breath.
4., by arranging groove, screw, it is achieved that fixing of rotating disk, add the stability of system.
5., by arranging rain visor, top board and avoiding extraneous rainwater, rubbish entrance Factory Building, the most do not hinder power house ventilation to change
Gas.
Accompanying drawing explanation
Fig. 1 is the overall construction drawing of the first embodiment of the present invention.
Fig. 2 is the overall construction drawing of the second embodiment of the present invention.
Fig. 3 is the right view of the second embodiment of the present invention.
Fig. 4 is the front view of the second embodiment of the present invention.
Fig. 5 is the Fig. 4 sectional view along A-A direction.
Fig. 6 is that Fig. 4 is along the overall construction drawing after the section view of A-A direction.
Fig. 7 is the partial enlarged drawing in Fig. 5 B region.
Fig. 8 is the partial enlarged drawing in Fig. 6 C region.
Detailed description of the invention
In order to be more fully understood that the present invention, explain in detail embodiments of the present invention below in conjunction with the accompanying drawings.
Fig. 1 is the first embodiment of the present invention, as it is shown in figure 1, a kind of unpowered quick ventilating system of Factory Building, including changing
Gas fan 1, wind drive wheel 2, wind direction board 3, main shaft 4, bevel gear a5, bevel gear b6, support 7, rotating disk 8, drive shaft 10, drive mechanism
C11, going barrel 12, freewheel clutch 13, power transmission shaft 14, described ventilation fan 1 is arranged in the ventilating duct 9 at Factory Building top, ventilation
Fan 1 be provided centrally with fan axle 101, fan axle 101 be arranged on fixed mount 102, fixed mount 102 is fixed in ventilating duct 9, bore tooth
Wheel b6 is arranged on fan axle 101, and bevel gear a5 engages with bevel gear b6；Rotating disk 8 is arranged on the exit, top of ventilating duct 9,
Rotating disk 8 is covered on the end face of ventilating duct 9, and rotating disk 8 bottom surface is provided with the gathering sill 801 corresponding with ventilating duct 9.
Support 7 is arranged in rotating disk 8, and wind drives wheel 2 and is arranged on main shaft 4, and main shaft 4 is arranged on support 7 by bearing,
Wind direction board 3 is arranged on support 7, wind drives the symmetrical side taking turns 2, and power transmission shaft 14 is arranged on support 7 by bearing, drive mechanism
The two ends of c11 connect power transmission shaft 14 and main shaft 4 respectively.
Going barrel 12 is arranged between drive shaft 10 and power transmission shaft 14, is provided with winder 121, winder in going barrel 12
121 run through going barrel 12, and the two ends of winder 121 connect power transmission shaft 14, drive shaft 10 respectively by freewheel clutch 13.
Bevel gear a5 is arranged in drive shaft 10, and drive shaft 10 one end is arranged on support 7 by bearing, the other end connects
Winder 121.Described drive mechanism c11 is Timing Belt synchronous pulley driving mechanism.
Described going barrel 12 is fixed on support 7, is provided with clockwork spring circle in going barrel 12, and clockwork spring circle one end is fixed on clockwork spring
On box 12 inwall, the other end connect winder 121, winder 121 is arranged on going barrel 12 center.
The side of described ventilating duct 9 is provided with groove 901, and groove 901 is positioned in gathering sill 801, and the side of rotating disk 8 sets
Being equipped with the screwed hole corresponding with groove 901, install screw in screwed hole, screw inserts groove 901.
Fig. 2 to Fig. 8 is the second embodiment of the present invention, as it can be seen, a kind of unpowered quick ventilating system of Factory Building, bag
Include ventilation fan 1, wind drives wheel 2, wind direction board 3, main shaft 4, bevel gear a5, bevel gear b6, support 7, rotating disk 8, drive shaft 10, transmission
Mechanism c11, going barrel 12, freewheel clutch 13, power transmission shaft 14, described ventilation fan 1 is arranged in the ventilating duct 9 at Factory Building top,
Ventilation fan 1 be provided centrally with fan axle 101, fan axle 101 be arranged on fixed mount 102, fixed mount 102 is fixed in ventilating duct 9,
Bevel gear b6 is arranged on fan axle 101, and bevel gear a5 engages with bevel gear b6；Rotating disk 8 is arranged on the top outlet of ventilating duct 9
Place, rotating disk 8 is covered on the end face of ventilating duct 9, and rotating disk 8 bottom surface is provided with the gathering sill 801 corresponding with ventilating duct 9.
Support 7 is arranged in rotating disk 8, and wind drives wheel 2 and is arranged on main shaft 4, and main shaft 4 is arranged on support 7 by bearing,
Wind direction board 3 is arranged on support 7, wind drives the symmetrical side taking turns 2, and power transmission shaft 14 is arranged on support 7 by bearing, drive mechanism
The two ends of c11 connect power transmission shaft 14 and main shaft 4 respectively.
Going barrel 12 is arranged between drive shaft 10 and power transmission shaft 14, is provided with winder 121, winder in going barrel 12
121 run through going barrel 12, and the two ends of winder 121 connect power transmission shaft 14, drive shaft 10 respectively by freewheel clutch 13.
Bevel gear a5 is arranged in drive shaft 10, and drive shaft 10 one end is arranged on support 7 by bearing, the other end connects
Winder 121.
Described drive mechanism c11 is Timing Belt synchronous pulley driving mechanism.
Described going barrel 12 is fixed on support 7, is provided with clockwork spring circle in going barrel 12, and clockwork spring circle one end is fixed on clockwork spring
On box 12 inwall, the other end connect winder 121, winder 121 is arranged on going barrel 12 center.
The side of described ventilating duct 9 is provided with groove 901, and groove 901 is positioned in gathering sill 801, and the side of rotating disk 8 sets
Being equipped with the screwed hole corresponding with groove 901, install screw in screwed hole, screw inserts groove 901.
Being additionally provided with rain visor 15 in described rotating disk 8, rain visor 15 has polylith, and rain visor 15 is around rotating disk 8 center
Axle is arranged, and is provided with fitting part, and fitting part is provided with gap between adjacent rain visor 15, and the top of rain visor 15 is arranged
There is top board 16.Described rain visor 15 is sphere arc.
Although the detailed description of the invention of invention is described by the above-mentioned accompanying drawing that combines, but not to scope
Restriction, on the basis of technical scheme, those skilled in the art need not pay creative work and can make
Various amendments or deformation still within protection scope of the present invention.
Claims (6)
1. the unpowered quick ventilating system of Factory Building, it is characterised in that: include that ventilation fan (1), wind drive wheel (2), wind direction board
(3), main shaft (4), bevel gear a (5), bevel gear b (6), support (7), rotating disk (8), drive shaft (10), drive mechanism c (11),
Going barrel (12), freewheel clutch (13), power transmission shaft (14),
Described ventilation fan (1) is arranged in the ventilating duct (9) at Factory Building top, ventilation fan (1) be provided centrally with fan axle (101),
Fan axle (101) is arranged on fixed mount (102), and fixed mount (102) is fixed in ventilating duct (9), and bevel gear b (6) is arranged on fan
On axle (101), bevel gear a (5) and bevel gear b (6) engages；
Rotating disk (8) is arranged on the exit, top of ventilating duct (9), and rotating disk (8) is covered on the end face of ventilating duct (9), rotates
Dish (8) bottom surface is provided with the gathering sill (801) corresponding with ventilating duct (9)；
Support (7) is arranged in rotating disk (8), and wind drives wheel (2) and is arranged on main shaft (4), and main shaft (4) is arranged on by bearing and props up
On frame (7), wind direction board (3) is arranged on the symmetrical side that support (7) is upper, wind drives wheel (2),
Power transmission shaft (14) is arranged on support (7) by bearing, the two ends of drive mechanism c (11) connect respectively power transmission shaft (14) with
Main shaft (4)；
Going barrel (12) is arranged between drive shaft (10) and power transmission shaft (14), is provided with winder (121) in going barrel (12),
Winder (121) runs through going barrel (12), and the two ends of winder (121) connect power transmission shaft respectively by freewheel clutch (13)
(14), drive shaft (10)；
Bevel gear a (5) is arranged in drive shaft (10), and drive shaft (10) one end is arranged on support (7) by bearing, the other end
Connect winder (121).
A kind of unpowered quick ventilating system of Factory Building the most according to claim 1, is characterized in that, described drive mechanism c
(11) it is sprocket wheel chain or Timing Belt synchronous pulley driving mechanism.
A kind of unpowered quick ventilating system of Factory Building the most according to claim 1, is characterized in that, described going barrel (12) is solid
Being scheduled on support (7), be provided with clockwork spring circle in going barrel (12), clockwork spring circle one end is fixed on going barrel (12) inwall, another
End connects winder (121), and winder (121) is arranged on going barrel (12) center.
A kind of unpowered quick ventilating system of Factory Building the most according to claim 1, is characterized in that, described ventilating duct (9)
Side is provided with groove (901), and groove (901) is positioned in gathering sill (801), and the side of rotating disk (8) is provided with and groove
(901) corresponding screwed hole, installs screw in screwed hole, screw inserts groove (901).
5. according to the unpowered quick ventilating system of a kind of Factory Building described in any claim in Claims 1-4, its feature
Being to be additionally provided with rain visor (15) in described rotating disk (8), rain visor (15) has polylith, and rain visor (15) is around rotating disk (8)
Central shaft is arranged, and is provided with fitting part, and fitting part is provided with gap between adjacent rain visor (15), rain visor (15)
Top is provided with top board (16).
A kind of unpowered quick ventilating system of Factory Building the most according to claim 5, is characterized in that, described rain visor (15) is
Sphere arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753720.4A CN106196401A (en) | 2016-08-29 | 2016-08-29 | A kind of unpowered quick ventilating system of Factory Building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753720.4A CN106196401A (en) | 2016-08-29 | 2016-08-29 | A kind of unpowered quick ventilating system of Factory Building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106196401A true CN106196401A (en) | 2016-12-07 |
Family
ID=57526445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610753720.4A Pending CN106196401A (en) | 2016-08-29 | 2016-08-29 | A kind of unpowered quick ventilating system of Factory Building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106196401A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109260887A (en) * | 2018-11-26 | 2019-01-25 | 南安市泉建机械科技有限公司 | A kind of power plant desulfurization device of the acceleration outlet suitable for rainy day |
| CN109489706A (en) * | 2018-11-07 | 2019-03-19 | 王振骁 | A kind of new energy environment monitoring device |
| CN109630184A (en) * | 2019-01-18 | 2019-04-16 | 中铁十九局集团第七工程有限公司 | Powerless ventilation device and tunnel |
| CN109630183A (en) * | 2019-01-18 | 2019-04-16 | 中铁十九局集团第七工程有限公司 | Powerless ventilation device and tunnel |
| CN110428957A (en) * | 2019-09-03 | 2019-11-08 | 黄玉煌 | A kind of double cooling Cast Resin Dry-Type Transformers |
| CN111720941A (en) * | 2020-06-16 | 2020-09-29 | 无锡踏达机电科技有限公司 | Indoor ventilation governing system for green building |
| CN111964203A (en) * | 2020-08-21 | 2020-11-20 | 临沂职业学院 | Ventilation energy-saving equipment of green building |
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| JPH11159439A (en) * | 1997-11-21 | 1999-06-15 | Daiwa House Ind Co Ltd | Ventilating structure of building and ventilating system in ventilating structure of this building |
| CN2544112Y (en) * | 2002-05-16 | 2003-04-09 | 李焕山 | Wind energy machinery storage device |
| CN1776309A (en) * | 2005-12-15 | 2006-05-24 | 上海交通大学 | Wind-solar combined driven multifunctional natural ventilating device |
| TWM473494U (en) * | 2013-11-29 | 2014-03-01 | jia-feng Cai | Air-exhausting device |
| CN204301245U (en) * | 2014-05-27 | 2015-04-29 | 东北大学 | The novel energy-conserving ventilation device of wind-drive |
| CN105546953A (en) * | 2016-02-01 | 2016-05-04 | 辽宁科技大学 | Device for drying agricultural products through natural wind |
| CN206018913U (en) * | 2016-08-29 | 2017-03-15 | 山东国舜建设集团有限公司 | Quick ventilating system that a kind of Factory Building is unpowered |
-
2016
- 2016-08-29 CN CN201610753720.4A patent/CN106196401A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11159439A (en) * | 1997-11-21 | 1999-06-15 | Daiwa House Ind Co Ltd | Ventilating structure of building and ventilating system in ventilating structure of this building |
| CN2544112Y (en) * | 2002-05-16 | 2003-04-09 | 李焕山 | Wind energy machinery storage device |
| CN1776309A (en) * | 2005-12-15 | 2006-05-24 | 上海交通大学 | Wind-solar combined driven multifunctional natural ventilating device |
| TWM473494U (en) * | 2013-11-29 | 2014-03-01 | jia-feng Cai | Air-exhausting device |
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| CN105546953A (en) * | 2016-02-01 | 2016-05-04 | 辽宁科技大学 | Device for drying agricultural products through natural wind |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489706A (en) * | 2018-11-07 | 2019-03-19 | 王振骁 | A kind of new energy environment monitoring device |
| CN109489706B (en) * | 2018-11-07 | 2020-10-02 | 王振骁 | New forms of energy environment monitoring device |
| CN109260887A (en) * | 2018-11-26 | 2019-01-25 | 南安市泉建机械科技有限公司 | A kind of power plant desulfurization device of the acceleration outlet suitable for rainy day |
| CN109630184A (en) * | 2019-01-18 | 2019-04-16 | 中铁十九局集团第七工程有限公司 | Powerless ventilation device and tunnel |
| CN109630183A (en) * | 2019-01-18 | 2019-04-16 | 中铁十九局集团第七工程有限公司 | Powerless ventilation device and tunnel |
| CN110428957A (en) * | 2019-09-03 | 2019-11-08 | 黄玉煌 | A kind of double cooling Cast Resin Dry-Type Transformers |
| CN110428957B (en) * | 2019-09-03 | 2020-08-21 | 江苏普拓电气科技有限公司 | Double-cooling epoxy resin pouring dry type transformer |
| CN111720941A (en) * | 2020-06-16 | 2020-09-29 | 无锡踏达机电科技有限公司 | Indoor ventilation governing system for green building |
| CN111720941B (en) * | 2020-06-16 | 2021-01-26 | 金恪建筑装饰工程有限公司 | Indoor ventilation governing system for green building |
| CN111964203A (en) * | 2020-08-21 | 2020-11-20 | 临沂职业学院 | Ventilation energy-saving equipment of green building |
| CN111964203B (en) * | 2020-08-21 | 2021-11-05 | 临沂职业学院 | Ventilation energy-saving equipment of green building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |