CN102797343B - Shaft type air intake and exhaust method and structure thereof - Google Patents
Shaft type air intake and exhaust method and structure thereof Download PDFInfo
- Publication number
- CN102797343B CN102797343B CN201110196600.6A CN201110196600A CN102797343B CN 102797343 B CN102797343 B CN 102797343B CN 201110196600 A CN201110196600 A CN 201110196600A CN 102797343 B CN102797343 B CN 102797343B
- Authority
- CN
- China
- Prior art keywords
- tube
- outer tube
- inner tube
- air
- exhaust
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000000694 effects Effects 0.000 claims abstract description 37
- 239000007789 gas Substances 0.000 description 14
- 238000006073 displacement reaction Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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
- F24F7/08—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 with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/04—Air-ducts or air channels
-
- 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
- F24F2007/001—Ventilation with exhausting air ducts
-
- 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
- F24F2007/004—Natural ventilation using convection
-
- 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
- F24F2221/52—Weather protecting means, e.g. against wind, rain or snow
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention relates to a shaft type air intake and exhaust method and a structure thereof, comprising the following steps: an outer tube having a first end and a second end; an inner tube having a first end and a second end, the inner tube being positioned on an inner wall of the outer tube, an inlet channel being formed in the inner tube, and an exhaust channel being formed between an outer wall of the inner tube and the inner wall of the outer tube; one end of the air guide sleeve is provided with an inner annular wall, the inner annular wall is combined with the second end of the inner pipe, and the other end of the air guide sleeve is provided with an air inlet; the first end of the inner pipe and the first end of the outer pipe can be combined into an independent space, so that the air flow of the air inlet passage and the air outlet passage is communicated. The invention is pushed by the convergence of natural wind power, has the effect of saving energy, and the air outlet has the design of high-low fall, can enhance the wind pulling effect of the drainage port, has the effect of increasing the air replacement efficiency, and has the effect of adjusting the direction according to the wind direction and the effect of maintaining the air replacement efficiency by adjusting the direction.
Description
Technical field
What the invention relates to a kind of air-flow enters discharge method and structure thereof, especially a kind of row person that enters who carries out air-flow with natural wind.
Background technology
The use of intake and exhaust structure is quite extensive, no matter be public utility, industrial building or Residence Design, for maintaining the air quality of separate space, the planning of suitable intake and exhaust structure is all quite important and common conduct.The major function of intake and exhaust structure is exactly the importing by specific device, promote the gas flow in a space, and flowing by this gas, the air in this space and outside air are done to the action exchanging, discharge whereby hot gas or the waste gas in this space, and the structure that this exhaust end uses configures a wireway mostly.
Please refer to shown in Fig. 1, the structure of existing wireway 9 mostly is a long straight-tube shape, this wireway 9 comprises a ventilating duct 91 and air outlet 92, one end 93 of this wireway 9 connects the separate space of wanting exchanging gas, in the time producing hot gas or waste gas in this separate space, can utilize an air draft servicing unit or the rising buoyancy effect of hot gas, allow the gas of wish discharge along with this ventilating duct 91 climbs, again by the characteristic of these wireway 9 straight-tube shapes, produce stack effect, produce wind-drawing effect at these air outlet 92 places, the hot-air of this separate space is pulled into this ventilating duct 91, by this air outlet 92 along with on boost loss to atmosphere.
But, this existing wireway 9 exists some problems, for making this wireway 9 exhaust smoothly, the rising buoyancy effect that light is relied on hot gas is sometimes not enough, in the time that the temperature difference is not high, need to install additional as air draft servicing units such as fans, and this servicing unit all needs to be dependent on electric power or other powered, for this exhaust apparatus, many dependences of one deck secondary energy sources.
In addition, this air outlet 92 mostly is block form design, this design easily allows the ascending air at these air outlet 92 places and outside natural wind produce flow-disturbing phenomenon, the wind-drawing effect effect of this stack effect is given a discount, if the shape of this air outlet 92 is not for block form designs, in the time running into change of the wind, more may significantly reduce the effect of this exhaust.
Summary of the invention
Main purpose of the present invention provides a kind of vertical shaft type intake and exhaust method and structure thereof, and this enters discharge method and constructs the natural convection effect that can utilize orographic winds and thermal current, to reach the function of air displacement.
Secondary objective of the present invention provides a kind of vertical shaft type intake and exhaust method and structure thereof, and this enters discharge method and structure can strengthen air displacement flow.
A further object of the present invention provides a kind of vertical shaft type intake and exhaust method and structure thereof, and this enters discharge method and structure can be adjusted orientation by box haul, to maintain preferably air displacement efficiency.
For reaching aforementioned goal of the invention, the technological means that the present invention uses includes:
A kind of vertical shaft type intake and exhaust method, comprises: an outer tube is set, and this outer tube has a first end and one second end; One inner tube is set, and this inner tube has a first end and one second end, and this inner tube is positioned at the inwall of outer tube, forms an air intake duct in this inner tube, between this outer wall of inner tube and the inwall of outer tube, forms an exhaust duct; One kuppe is set, and one end of this kuppe is provided with an interior ringwall, and this interior ringwall is incorporated into the second end of inner tube, and this kuppe other end is an air intake vent; Be incorporated into a separate space by the first end of this inner tube and the first end of this outer tube, the air-flow of this air intake duct and exhaust duct is communicated.
A vertical shaft type intake and exhaust structure, comprises: an outer tube, has a first end and one second end; One inner tube, has a first end and one second end, and this inner tube is positioned at the inwall of outer tube, forms an air intake duct in this inner tube, between this outer wall of inner tube and the inwall of outer tube, forms an exhaust duct; One kuppe, one end is provided with an interior ringwall, and this interior ringwall is incorporated into the second end of inner tube, and this kuppe other end is an air intake vent.
Vertical shaft type intake and exhaust structure of the present invention, wherein, this kuppe can also be provided with outer ring wall in addition, and this outer ring wall is arranged at the periphery of this interior ringwall, and is incorporated into the second end of outer tube.
Vertical shaft type intake and exhaust structure of the present invention, wherein, the outer ring wall of this kuppe and outer tube and interior ringwall and inner tube form rotatable activity pivot joint.
Vertical shaft type intake and exhaust structure of the present invention, wherein, forms an exhaust outlet between the interior ringwall of this kuppe and outer ring wall.
Vertical shaft type intake and exhaust structure of the present invention, wherein, this exhaust outlet is provided with a baffle portion, and this baffle portion is arranged at the adjacent air intake vent position of this kuppe.。
Vertical shaft type intake and exhaust structure of the present invention, wherein, this outer tube can also be divided into one first outer tube and one second outer tube, the tube wall of this second outer tube and the tube wall of inner tube formation one mouth and a draining hole windward.
Vertical shaft type intake and exhaust structure of the present invention, wherein, the first end that this inner tube is connected with separate space can also be provided with an expander.
Vertical shaft type intake and exhaust structure of the present invention, wherein, the channel cross-sectional area of this expander is greater than the channel cross-sectional area of this air intake duct.
Vertical shaft type intake and exhaust method of the present invention and structure thereof, be to promote by collecting of natural wind, has the effect of saving the energy.
Vertical shaft type intake and exhaust method of the present invention and structure thereof, its exhaust outlet has the design of high low head, can strengthen the wind-drawing effect of this draining hole, has the effect that increases air displacement efficiency.
Vertical shaft type intake and exhaust method of the present invention and structure thereof, its second outer tube and this kuppe all can be adjusted orientation according to wind direction, avoid the negative effect that causes because of change of the wind, have the orientation of adjustment to maintain effect of air displacement efficiency.
Brief description of the drawings
Fig. 1: existing wireway structure.
Fig. 2: first embodiment of the invention vertical shaft type intake and exhaust method and structural section thereof.
Fig. 3: second embodiment of the invention vertical shaft type intake and exhaust method and structural section thereof.
Wherein:
(the present invention)
1 outer tube 1a the first outer tube
1b the second outer tube 11 first ends
12 second ends 13 are mouth windward
14 draining holes
2 inner tube 21 first ends
211 expander 22 second ends
23 exhaust duct 24 air intake ducts
The interior ringwall of 3 kuppe 31
32 outer ring wall 33 air intake vents
34 exhaust outlet 35 baffle portions
4 separate space
(existing)
9 wireway 91 ventilating ducts
92 air outlet 93 ends.
Detailed description of the invention
For above-mentioned and other object of the present invention, feature and advantage can be become apparent, preferred embodiment of the present invention cited below particularly, and coordinate accompanying drawing, be described in detail below:
Please refer to shown in Fig. 2, first embodiment that enters discharge method and structure thereof of its air-flow of the present invention, this enters discharge method and structure comprises an outer tube 1, an inner tube 2 and a kuppe 3, and this inner tube 2 is positioned at the hollow passageway of this outer tube 1, and this kuppe 3 is incorporated into the second end of this outer tube 1 and inner tube 2.
This outer tube 1 has a hollow passageway, and the section of this outer tube 1 can be any shape, or just round as first embodiment of the invention, and this outer tube 1 has a first end 11 and one second end 12.
Inner tube 2 is positioned at the hollow passageway of this outer tube 1, there is a first end 21 and one second end 22, the section of this inner tube 2 can be any shape, or just round as first embodiment of the invention, and between two walls of this outer tube 1 and inner tube 2, form an exhaust duct 23 of ring-type, this inner tube 2 is hollow formation one air intake duct 24.The first end 21 of this inner tube 2 can be provided with an expander 211, and this expander 211 protrudes from the first end 11 of outer tube 1.
This kuppe 3 can be combined in the second end 22 of inner tube 2 by one end, in the present embodiment, this kuppe 3 is provided with an interior ringwall 31 and an outer ring wall 32, this interior ringwall 31 is for the second end 22 combinations of inner tube 2, the outer ring wall 32 of this kuppe 3 can be for the second end 12 combinations of outer tube 1, this interior ringwall 31 and outer ring wall 32 preferably can coordinate the section peripheral annular setting of this outer tube 1 and inner tube 2, and this interior ringwall 31 and outer ring wall 32 and inner tube 2 and preferably formation activity pivot joint of outer tube 1; These kuppe 3 other ends form an air intake vent 33, and this air intake vent 33 can air-guiding enters to the air intake duct 24 of this inner tube 2.Between the interior ringwall 31 of this kuppe 3 and outer ring wall 32, form an exhaust outlet 34, and this place preferably has a baffle portion 35, this baffle portion 35 is arranged at adjacent air intake vent 33 positions of this kuppe 3, to seal the exhaust duct 23 at this place, avoid the high temperature gas flow of being discharged by this exhaust duct 23 and the low-temperature airflow of wanting to be entered by air intake vent 33 places to produce flow-disturbing effect.
Shown in Fig. 2, the present invention carry out air-flow enter row use time, the first end 11 of this outer tube 1 and the first end 21 of inner tube 2 are incorporated into a separate space 4, and the expander 211 of this inner tube 2 extends in this separate space 4, make this exhaust duct 23 and air intake duct 24 in the interior connection of this separate space 4, and the air of this air intake duct 24, this separate space 4 and this exhaust duct 23 can be circulated mutually.
Shown in Fig. 2, this kuppe 3 preferably can form rotation adjustment with the bonding position of this outer tube 1 and inner tube 2, make the air intake vent 33 of this kuppe 3 towards the direction that is easy to receive extraneous lower temperature air-flow, by this air intake vent 33, low-temperature airflow is collected and enters this air intake duct 24, again by the set expander 211 of this inner tube 2, this low-temperature airflow is diffused to each corner of this separate space 4, and make higher temperatures air-flow in this separate space 4 can follow exhaust duct 23 to discharge, reach the function of air displacement.In addition, be greater than the channel cross-sectional area of this air intake duct 24 by the channel cross-sectional area of this expander 211, can produce the physical characteristic that reduces inlet air flow impedance,motional, make the low-temperature airflow entering from this kuppe 3 can enter more smoothly this separate space 4, increase overall air inflow.
Due to this air intake duct 24, the air of this separate space 4 and this exhaust duct 23 can circulate mutually, when this low-temperature airflow continues to flow fashionable from this air intake duct 24, relatively-high temperature air-flow in this separate space 4 can follow this exhaust duct 23 and flow to this exhaust outlet 34, because this kuppe 3 near these air intake vent 33 places is provided with baffle portion 35, therefore the relatively-high temperature air-flow of this separate space 4 is when along exhaust duct 23, upwards channelling to exhaust outlet 34 is discharged, the cryogenic gas that the relatively-high temperature air-flow of this discharge can not affect this air intake vent 33 flows, reduce flow-disturbing effect, make this enter row's structure and can rely on smoothly natural wind operation, and do not need to be dependent on other air draft servicing units.
Please refer to shown in Fig. 3, this for air-flow of the present invention enter discharge method and structure the second embodiment, the setting of inner tube 2, kuppe 3 and the separate space 4 of the present embodiment and the first embodiment enter row construct roughly the same, correlative detail repeats no more.The present embodiment enters to arrange the Main Differences of constructing and is, this outer tube 1 is made up of jointly one first outer tube 1a and one second outer tube 1b.
This the first outer tube 1a and the rotatable pivot joint of this second outer tube 1b form this outer tube 1, the first end 11 of this outer tube connects this separate space 4, the exhaust outlet that the second end 12 of this outer tube 1 is non-block form, this exhaust outlet comprises one windward mouthfuls 13 and a draining hole 14, this second outer tube 1b can adjust direction with the wind, this mouthfuls 13 can be met to extraneous low-temperature airflow direction windward, this mouthfuls 13 can be established as in the first embodiment shown a baffle portion and keep out windward, to avoid the high temperature gas flow of this place loss and the low-temperature airflow of this kuppe 3 to produce flow-disturbing effect, the only whether setting of this baffle portion, can mouthfuls 13 determine with the relative distance of this kuppe 3 windward according to this, do not limit at this.
Shown in Fig. 3, this low-temperature airflow collects via this kuppe 3, enter this separate space 4 by this air intake duct 24, and by the effect of this expander 211, reduce flow impedance, enter after this separate space 4 at low-temperature airflow, High Temperature Gas fail to be convened for lack of a quorum following this exhaust duct 23 flow to this windward mouthfuls 13 or draining hole 14, and loss is to atmosphere.The setting party of this second outer tube 1b is to can box haul adjustment, make this mouthfuls 13 can directly meet the direction mobile to cryogenic gas windward, when wind direction is not while being parallel with the axial direction of this second outer tube 1b, can make wind-force that high temperature gas flow mouthfuls 13 is blown into this draining hole 14 places windward by this, more due to the height of this draining hole 14 lower than this windward mouthfuls 13, therefore when air is from this windward mouthfuls 13 while being blown toward this draining hole 14, the effect of mutually drawing by air-flow, the air at these draining hole 14 places of this relative low side of meeting tractive, and form a relatively low pressure in this place, produce a underbalance effect, make the wind-drawing effect at these draining hole 14 places more obvious, make the row that enters of this air-flow construct the malleation effect that is simultaneously subject to the low-temperature airflow flowing into from air intake duct 24, and the underbalance effect of the relatively low pressure of this draining hole 14 generation, promote the thermal discharge efficiency that this enters row's structure.
Vertical shaft type intake and exhaust method of the present invention and structure thereof, this circulating effect not moves by electric energy equal energy source, but by promoting collecting of natural wind, has the effect of saving the energy.
Vertical shaft type intake and exhaust method of the present invention and structure thereof, this exhaust outlet has the design of high low head, can strengthen the wind-drawing effect of this draining hole, has the effect that increases air displacement efficiency.
Vertical shaft type intake and exhaust method of the present invention and structure thereof, this second outer tube and this kuppe all can be adjusted orientation according to wind direction, avoid the negative effect that causes because of change of the wind, have the orientation of adjustment to maintain effect of air displacement efficiency.
Only as described above, be only preferred embodiment of the present invention, when not limiting the scope of the present invention with this; Therefore all simple equivalences of doing according to the present patent application the scope of the claims and description of the invention content change and modify, and all should still remain within the scope of the patent.
Claims (6)
1. a vertical shaft type intake and exhaust method, is characterized in that, comprises:
An outer tube is set, this outer tube has a first end and second end, this outer tube is divided into first outer tube and second outer tube, and the tube wall of this second outer tube and the tube wall of inner tube form one windward mouthful and a draining hole, and the height of this draining hole lower than this windward mouthful;
An inner tube is set, and this inner tube has a first end and second end, and this inner tube is positioned at the inwall of outer tube, forms an air intake duct in this inner tube, forms an exhaust duct between this outer wall of inner tube and the inwall of outer tube;
A kuppe is set, and one end of this kuppe is provided with an interior ringwall, and this interior ringwall is incorporated into the second end of inner tube, and this kuppe other end is an air intake vent;
Be incorporated into a separate space by the first end of this inner tube and the first end of this outer tube, the air-flow of this air intake duct and exhaust duct is communicated.
2. a vertical shaft type intake and exhaust structure, is characterized in that, comprises:
An outer tube, has a first end and one second end, and this outer tube is divided into first outer tube and second outer tube, and the tube wall of this second outer tube and the tube wall of inner tube form one windward mouthful and a draining hole, and the height of this draining hole lower than this windward mouthful;
An inner tube, has a first end and second end, and this inner tube is positioned at the inwall of outer tube, forms an air intake duct in this inner tube, forms an exhaust duct between this outer wall of inner tube and the inwall of outer tube;
A kuppe, one end is provided with an interior ringwall, and this interior ringwall is incorporated into the second end of inner tube, and this kuppe other end is an air intake vent.
3. vertical shaft type intake and exhaust structure according to claim 2, is characterized in that: this kuppe is provided with outer ring wall in addition, and this outer ring wall is arranged at the periphery of this interior ringwall, and is incorporated into the second end of outer tube.
4. vertical shaft type intake and exhaust structure according to claim 3, is characterized in that: the outer ring wall of this kuppe and outer tube and interior ringwall and inner tube form rotatable activity pivot joint.
5. according to the vertical shaft type intake and exhaust structure described in claim 2,3 or 4, it is characterized in that: the first end of this inner tube and the first end of this outer tube are incorporated into a separate space, the first end that this inner tube is connected with separate space is provided with an expander.
6. vertical shaft type intake and exhaust structure according to claim 5, is characterized in that: the channel cross-sectional area of this expander is greater than the channel cross-sectional area of this air intake duct.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100118103 | 2011-05-24 | ||
| TW100118103A TWI432683B (en) | 2011-05-24 | 2011-05-24 | Method for air exchanging shaft and the structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102797343A CN102797343A (en) | 2012-11-28 |
| CN102797343B true CN102797343B (en) | 2014-10-01 |
Family
ID=47196624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110196600.6A Expired - Fee Related CN102797343B (en) | 2011-05-24 | 2011-07-14 | Shaft type air intake and exhaust method and structure thereof |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20120302151A1 (en) |
| CN (1) | CN102797343B (en) |
| TW (1) | TWI432683B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9816716B2 (en) * | 2013-12-13 | 2017-11-14 | Pax Water Technologies Inc. | Ventilation devices and methods |
| CN104101043A (en) * | 2014-08-01 | 2014-10-15 | 吉首大学 | Energy-saving air interchanger for indoor pool |
| FR3024899B1 (en) * | 2014-08-12 | 2019-03-22 | Philippe Jacques Keller | DEVICE FOR NON-HEAT EXCHANGER WITHOUT INSUFFLATION ENGINE, PREHEATING THE NEW AIR HYGIENIC VENTILATION |
| CN105464338A (en) * | 2016-01-05 | 2016-04-06 | 苏州设计研究院股份有限公司 | Hidden type basement ventilating shaft structure with good ventilating performance |
| FR3048489B1 (en) * | 2016-03-07 | 2019-07-19 | Alain Cochet | VENTILATION SYSTEM OF A BUILDING |
| CN111076337A (en) * | 2019-12-30 | 2020-04-28 | 孙云山 | Ventilation device |
| CN111912257B (en) * | 2020-07-14 | 2022-03-15 | 东方电气(广州)重型机器有限公司 | Cooling sleeve and heat exchange device |
| CN115479319A (en) * | 2022-09-30 | 2022-12-16 | 海信空调有限公司 | Air conditioner |
| CN115371140A (en) * | 2022-09-30 | 2022-11-22 | 海信空调有限公司 | Air conditioner |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535696Y (en) * | 2002-01-21 | 2003-02-12 | 朱庆山 | Air converter |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US209506A (en) * | 1878-10-29 | Improvement in ventilators | ||
| US81609A (en) * | 1868-09-01 | Henry s | ||
| US171409A (en) * | 1875-12-21 | Improvement in ventilators | ||
| US394577A (en) * | 1888-12-18 | Frank g | ||
| US142225A (en) * | 1873-08-26 | Improvement in revolving chimney-tops | ||
| US658169A (en) * | 1900-04-03 | 1900-09-18 | Thomas C Avery | Ventilator. |
| US906440A (en) * | 1908-09-10 | 1908-12-08 | Thomas E Lewis | Ventilating-cowl. |
| US1201172A (en) * | 1914-03-13 | 1916-10-10 | Peter Gray | Ventilating device. |
| US1792308A (en) * | 1928-08-18 | 1931-02-10 | Frank R Kelley | Induction ventilator |
| US2358397A (en) * | 1943-04-19 | 1944-09-19 | Ernest O Howle | Means for ventilating attic spaces |
| US2785620A (en) * | 1954-02-24 | 1957-03-19 | Harlan C Welch | Wind director |
| US2818060A (en) * | 1956-01-18 | 1957-12-31 | Field And City National Ba Amy | Draft and smoke control system for a furnace |
| US2916983A (en) * | 1956-09-19 | 1959-12-15 | William Wallace Company | All purpose flue |
| US2966838A (en) * | 1958-07-17 | 1961-01-03 | Ohio Foundry & Mfg Company | Venting unit |
| US3315586A (en) * | 1965-06-03 | 1967-04-25 | Autocrat Corp | Vent and air inlet assembly |
| US3430549A (en) * | 1966-10-13 | 1969-03-04 | Coleman Co | Through-the-roof flue and air intake assembly |
| US3691930A (en) * | 1971-11-17 | 1972-09-19 | Intertherm | Wind control flue and air intake assembly |
| US4200038A (en) * | 1978-08-23 | 1980-04-29 | American Standard Inc. | Chimney top assembly |
| US4273032A (en) * | 1979-10-18 | 1981-06-16 | Spain Robert C | Ventilator apparatus |
| US4608963A (en) * | 1985-01-04 | 1986-09-02 | Simpson Dura Vent Company, Inc. | Thermally balanced air flow chimney |
| AUPR954901A0 (en) * | 2001-12-14 | 2002-01-24 | West, Shane | Wind directional skylight vent |
-
2011
- 2011-05-24 TW TW100118103A patent/TWI432683B/en not_active IP Right Cessation
- 2011-07-14 CN CN201110196600.6A patent/CN102797343B/en not_active Expired - Fee Related
- 2011-08-08 US US13/204,855 patent/US20120302151A1/en not_active Abandoned
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535696Y (en) * | 2002-01-21 | 2003-02-12 | 朱庆山 | Air converter |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201248092A (en) | 2012-12-01 |
| US20120302151A1 (en) | 2012-11-29 |
| CN102797343A (en) | 2012-11-28 |
| TWI432683B (en) | 2014-04-01 |
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