EP3546845A1 - Luftdiffusor und verfahren zur montage davon - Google Patents

Luftdiffusor und verfahren zur montage davon Download PDF

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Publication number
EP3546845A1
EP3546845A1 EP19166229.5A EP19166229A EP3546845A1 EP 3546845 A1 EP3546845 A1 EP 3546845A1 EP 19166229 A EP19166229 A EP 19166229A EP 3546845 A1 EP3546845 A1 EP 3546845A1
Authority
EP
European Patent Office
Prior art keywords
air diffuser
airflow
reflecting
reflecting member
air
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.)
Withdrawn
Application number
EP19166229.5A
Other languages
English (en)
French (fr)
Inventor
Alexandre Mathieu
Terry Morin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ventec Canada Inc
Original Assignee
Ventec Canada Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ventec Canada Inc filed Critical Ventec Canada Inc
Publication of EP3546845A1 publication Critical patent/EP3546845A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/062—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser having one or more bowls or cones diverging in the flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
    • 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
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • 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
    • F24F7/007—Ventilation with forced flow

Definitions

  • the present invention generally relates to system and method for diffusing air. More specifically, the present invention relates to system and method for diffusing air of ventilation units producing large debit of air.
  • Air diffusers adapted for directing and dispersing air or other compressible fluids are well known in the art. Such air diffusers are generally configured to be integrated to ceilings or to ventilation systems. Typically, a diffuser comprises different layers of louvered surfaces or comprises vanes permanently attached one to the other. Such surfaces or vanes are generally configured to direct and disperse the air throughout a room or an area.
  • An apparatus for a discharge vent on an air circulation system including structures for controlling the direction and quantity of airflow is disclosed in the US patent no. patent 6,554,880 . Preferred methods for assembling and using the apparatus are also disclosed. Such design aims at providing an air flow adjustability for the convenience and comfort of the occupants, it should also be easy to use and replace at reasonable price. Furthermore, the apparatus disclosed slidable panels configured to control air flow through a vertical direction with regard to the ceiling.
  • an air diffuser having a general conical shape and comprising attachment means adapted to attach to a fan or ventilator.
  • Such air diffuser is adapted to direct airflow about the inclined surface of the air diffuser.
  • an air diffuser with at least one sloped area to guide the air coming from a duct is provided.
  • an air diffuser adapted to disperse the air throughout a large room such as a warehouse or the like is provided.
  • an air diffuser adapted to be easily assembled and adjusted when needed is provided.
  • an air diffuser adapted to avoid vertical air flow blowing with regard to the ceiling when mounted to a fan is provided.
  • an air diffuser for an airflow producing at least 5,000 cubic feet per minute comprises a reflecting member maintained at a fixed distance from a source of the airflow.
  • the reflecting member further comprises a reflecting surface having an outer periphery, the reflecting surface being inclined with regard to the direction of the airflow and being adapted to direct the airflow toward all directions of the outer periphery at angle being function of the inclination of the reflecting surface.
  • the reflecting surface may comprise an aperture adapted to let at least a portion of the airflow through the air diffuser.
  • the air diffuser may further comprise a covering member adapted to mate the general shape of a top portion of the reflecting surface and to cover at least a portion of the aperture.
  • the reflecting member may further comprise a plurality of reflecting sections adapted to be mounted to each another to form the reflecting surface.
  • the reflecting member may have a frustoconical shape or each reflecting member may be shaped as section of the frustoconical shape of the reflecting member.
  • Each reflecting section may comprise a male portion, a female portion, an outer side and an inner side, the female side of a first reflecting section may be adapted to receive the male side of a second reflecting section.
  • Each reflecting section may comprise two side walls angled according to the inclination of the reflecting member and an outer wall forming a portion of the periphery of the reflecting member.
  • the air diffuser may further comprise an attachment mechanism adapted to attach the reflecting member to the airflow source.
  • the attachment mechanism may further comprise a plurality of linking members, each linking member being adapted to be mounted at a first end to the airflow source and at a second end to the reflecting member. Each first end of the linking members may be adapted to be attached to the airflow source.
  • the inclination of the reflecting member may be between about 10 and 40 degrees.
  • the air diffuser further may further comprise a bottom covering member adapted to cover an opening formed by a bottom surface of the redirecting member.
  • an air diffuser for an airflow comprises a reflecting member maintained at a fixed distance from a source of the airflow.
  • the reflecting member further comprises a reflecting surface having an outer periphery, the reflecting surface being inclined with regard to the direction of the airflow and being adapted to direct the airflow toward all directions of the outer periphery at angle being function of the inclination of the reflecting surface, the reflecting surface comprising an aperture adapted to let at least a portion of the airflow through the air diffuser.
  • the reflecting member further comprises a plurality of reflecting sections adapted to be mounted to each another to form the reflecting surface.
  • the reflecting member may have a frustoconical shape, each reflecting member being shaped as a section of the frustoconical shape of the reflecting member.
  • Each reflecting section may further comprise an inner wall shaped to form a section of a periphery the aperture.
  • the air diffuser may further comprise an attachment mechanism adapted to attach the reflecting member to the airflow source.
  • the attachment mechanism may further comprise a plurality of linking members, each linking member being adapted to be mounted at a first end to the airflow source and at a second end to the reflecting member.
  • the air diffuser further may further comprise a plurality of bottom covering members adapted to cover a bottom surface of the redirecting member, each covering member being shaped to cover a bottom surface of at least one of the reflecting sections.
  • the air diffuser may further comprise a structure adapted to attach the reflecting sections to one another.
  • the method further may further comprise letting at least a portion of the airflow passing through the reflecting surface and/or the assembling of the redirecting sections forming a frustoconical redirecting surface.
  • the reflecting member 2 has a general frusto-conical shape having a closed top portion.
  • the top portion of the reflecting member 2 may comprise an aperture 228 adapted to let at least a portion of the airflow through the air diffuser 100.
  • the size of such aperture 228 may be adapted to divide the airflow from the airflow source between air to be diffused and air to pass through the air diffuser 100 (direct airflow).
  • the diameter of the aperture 228 is inferior than the diameter d 1 of the base portion of the reflecting member 2.
  • the shape of the optional aperture 228 is not limited to any particular shape. Indeed, the shape of the said aperture 228 may allow only portion of the airflow to pass through the air diffuser 100
  • the diameter d 1 may range between 3 and 10 feet. In yet other embodiments, the diameter d 1 may be equal or superior to the diameter of the source of airflow, such as the fan. Understandably, in embodiments where the airflow source is not circular, the area covered by the reflecting member 2 must be equal or superior to the area of the airflow source and the diameters must be adapted with width, depth or length of the reflecting member 2.
  • the air diffuser 100 may be made of rigid or semi-rigid material, such as but not limited to metal or plastic. More particularly, the reflecting member 2 or its components may be made of light yet rigid material such as plastic.
  • the reflecting member 2 has a general frusto-conical shape having a closed top portion.
  • the top portion of the reflecting member 2 may comprise an aperture 228 adapted to let at least a portion of the airflow through the air diffuser 100.
  • the size of such aperture 228 may be adapted to divide the airflow from the airflow source between air to be diffused and air to pass through the air diffuser 100 (direct airflow).
  • the shape of the reflecting member 2 is not limited to a conical or frusto-conical shape.
  • the reflecting member 2 could be generally shaped as a pyramid, a frusto-pyramidal shape or any other sloped or slanted shape surface allowing the air from the airflow to contact the reflecting member 2 at an angle.
  • the reflecting member 2 is inclined or angled with regard to the airflow direction about an angle ⁇ 2 .
  • the angle ⁇ 2 typically ranges between about 10 degrees and about 40 degrees.
  • the air diffuser 100 may further comprise a covering member 21.
  • the covering member 21 is generally shaped to mate the general shape of the reflecting member 2 and to cover at least a portion of the aperture 228.
  • the covering member 21 has a frusto-conical shape having a top diameter d 2 at least equal to the diameter of the aperture 228.
  • the base portion 24 of the frusto-conical covering member 21 comprises an aperture 248 to mate with the shape of the reflecting member 2 (see Figure 5 ).
  • the aperture 248 is generally coaxial or coincident with the aperture 228 of the reflecting member 2.
  • the covering member 21 may be inclined or angled with regard to the airflow direction about an angle ⁇ 1 .
  • the angle ⁇ 1 typically ranges between about 10 degrees and 40 degrees. In a preferred embodiment, the angles ⁇ 1 and ⁇ 2 are equal or about the same.
  • the diameter d 1 is linked to the angle ⁇ 1 or ⁇ 2 .
  • the angle ⁇ 1 may be adapted with regard to the diameter d 1 and vice-versa.
  • the reflecting member 2 may further be made of a plurality of sections 20.
  • Each section 20 is adapted to be mounted to each another to form the reflecting member 2.
  • each section 20 has a general triangular shape, pie shape or frusto-pie shape.
  • the side walls 221 of each section 20 are substantially perpendicular to the bottom wall 224.
  • each section 20 comprises two side walls 221 being sloped according to the angle of the reflecting member 2, an inner wall 224 being shaped as a portion of the periphery of the aperture 228 and an outer wall 220 forming a portion of the periphery of the reflecting member 2.
  • each section 20 when dismantled, may be adapted to be inserted or combined to another section 20.
  • Such configuration generally aims at reducing the volume of the different section and to reduce transportations costs.
  • the air diffuser 100 may further comprise a structure 23 adapted to attach the sections 20 to one another.
  • the structure 23 comprises a plurality of bracket members 230 mounted one to another to form ribs adapted to receive each of the sections 20.
  • the bracket members 230 may be shaped to mate with the shape of the side wall 221 of each section 20.
  • each bracket 23 is T-shaped and is adapted to mate with the side walls 221 of two sections 20. In other embodiments, the bracket member 230 may be adapted to attach to the bottom walls of two sections 20.
  • the bracket member 230 may be attached to sections 20 using any means known in the art.
  • the bracket 230 may comprise a surface 231 adapted to receive a plurality of apertures configured to be similarly positioned and dimensioned to aperture that may be present on the side wall 221 of one of the sections 20.
  • the air diffuser 100 further generally comprises an airflow source attachment means 1.
  • the airflow source attachment means 1 allows the reflecting member 2 to be fixedly attached to the airflow source.
  • the airflow source attachment means 1 is embodied as an attachment member 10 shaped to mate with the general shaped of the airflow source.
  • the attachment member 10 may be shaped as a ring adapted to attach to generally circular industrial fans.
  • the attachment member 10 may further comprise male segments 18 and female segments 11.
  • Each segment 18 and 11 may comprise an inner radial surface 12, an outer radial surface 13 and two substantially parallel side surfaces 16.
  • the male segment 18 and the female segment 11 may further be adapted to be preferably pivotally attached at their junctions.
  • the attachment member 10 may further comprise one or more protruding portions 17 adapted to attach the said attachment member 10 to the airflow source using any fasteners or any other method known in the art.
  • the air diffuser 100 may further comprise a linking member 3 adapted to be mounted, at one end, to the reflecting member 2 and, at another end, to the airflow source attachment mean 1.
  • the linking member 3 is embodied as a longitudinal linking member 30 adapted to be attached, preferably a first end 31,to a bracket member 230 or, preferably, to the attachment structure 27.
  • the other end 32 of the linking member 30 is attached to the attachment mean 1.
  • the linking member 30 is generally attached at an angle generally aiming at increasing the stability of the air diffuser 100 when mounted.
  • the linking member 30 may further aim at reducing the difference between the diameter or size of the airflow source attachment member 1 and of the attachment structure 27.
  • the air diffuser 100 may further comprise a bottom covering member 24 adapted to close or cover the bottom end of the air diffuser 100.
  • the bottom covering member 24 is adapted or shaped to at least reduce the turbulences created by the air flow passing through the air diffuser 100.
  • the covering member 24 is made of different sections 240 being shaped to mate with the bottom wall of the sections 20 of the reflecting member 2.
  • the covering member 24 may further comprise an inner surface 241 and an outer surface 242.
  • the inner surface 241 is generally configured to mate with the bottom wall 224.
  • the resulting shape of the bottom covering member 24 may comprise an aperture to let air pass through the diffuser.
  • the air diffuser 100 may further comprise a detachable central bottom covering member 26 to cover the aperture formed by the bottom covering member 24 and thus block air to go through the central aperture of the air diffuser 100.
  • the covering members 24 may further comprise one or more aperture 244. Such aperture is generally use to install a lighting fixture or a lamp.
  • attachment member 1 and the reflecting member 2 may be integral.
  • the airflow source is supported by a vertical supporting member, such as a pole or the like.
  • the air diffuser 100 comprises an aperture in the top portion of the reflecting member 2 to let the vertical supporting member through the diffuser 100.
  • the covering member 24 may further comprise an aperture 248 to let the vertical supporting member through.
  • the vertical supporting member is rigidly attached to the ground or to a surface in order to support both the air diffuser 100 and the fan. Understandably, in such embodiments, the central bottom covering member 26 and covering member 21 may be removed or adapted to allow the passage of the vertical supporting member through the air diffuser 100.
  • FIG. 7 an example of a simulation of the airflow circulating through the air diffuser 100 is illustrated.
  • Such simulation illustrates the general trajectory 40 of the airflow outputted from the source of airflow.
  • the air flows around the periphery of the reflecting member 2, thus providing air circulation in all directions of a building, farm, warehouse and the likes.
  • the reflecting member 2 has a generally circular shape, the air flows 360° around the reflecting member 2.
  • the method may further comprise installing a covering member 21 on top of the reflecting member 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Duct Arrangements (AREA)
  • Jet Pumps And Other Pumps (AREA)
EP19166229.5A 2018-03-29 2019-03-29 Luftdiffusor und verfahren zur montage davon Withdrawn EP3546845A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201862650172P 2018-03-29 2018-03-29

Publications (1)

Publication Number Publication Date
EP3546845A1 true EP3546845A1 (de) 2019-10-02

Family

ID=66041248

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19166229.5A Withdrawn EP3546845A1 (de) 2018-03-29 2019-03-29 Luftdiffusor und verfahren zur montage davon

Country Status (5)

Country Link
US (1) US20190301768A1 (de)
EP (1) EP3546845A1 (de)
CN (1) CN110319524A (de)
AU (1) AU2019202179A1 (de)
CA (1) CA3038462A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3122485A1 (fr) 2021-04-28 2022-11-04 Group Elastoteck Système de rafraichissement de l’air intérieur dans une enceinte
WO2023094618A1 (fr) 2021-11-26 2023-06-01 Group Elastoteck Systèmes de diffusion, pour la diffusion d'au moins un principe actif dans une enceinte d'elevage

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11519632B2 (en) 2020-10-16 2022-12-06 Richard T. Burks, III Variable air flow / multiple zone HVAC air terminal system
CN113028622B (zh) * 2021-03-25 2022-03-11 东北石油大学 分离式热管智能节能通风供冷系统
CN113400897B (zh) * 2021-08-18 2022-07-12 宁波均胜饰件科技有限公司 一种汽车空调出风口及其生产工艺
CN114233945B (zh) * 2021-12-23 2023-09-01 申建光 一种便于暖通空调管道安装替换的连接结构

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB330270A (en) * 1929-03-04 1930-06-04 Anemostat Ltd Improvements in or relating to devices for distributing air or other gases
US2362955A (en) * 1941-07-10 1944-11-14 Trane Co Heat exchange unit
US2576905A (en) * 1948-03-26 1951-11-27 Trane Co Adjustable air distributor
US2600926A (en) * 1949-07-01 1952-06-17 Southern Air Conditioning Mfg Radial louver construction
US2715867A (en) * 1950-05-03 1955-08-23 Barber Colman Co Air distribution unit
US2772624A (en) * 1952-11-06 1956-12-04 W R Carnes Company Diffuser
US3053164A (en) * 1959-12-28 1962-09-11 Lyttle Sidney Air conditioning diffusers
JPS5693413U (de) * 1979-12-20 1981-07-24
US6554880B1 (en) 2000-11-22 2003-04-29 David T. Northcutt Adjustable air diffuser and related methods
KR101669254B1 (ko) * 2016-07-11 2016-10-25 (주)수산공조 공기조화기용 디퓨저

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105571095B (zh) * 2008-12-19 2019-03-12 凯普股份有限公司 空气扩散器和空气循环系统
KR20180054621A (ko) * 2015-09-18 2018-05-24 일렉트로룩스 어플라이언스 아크티에볼레그 휴대용 공조기
HUE056340T2 (hu) * 2015-09-29 2022-02-28 Kaip Pty Ltd Levegõ befúvó

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB330270A (en) * 1929-03-04 1930-06-04 Anemostat Ltd Improvements in or relating to devices for distributing air or other gases
US2362955A (en) * 1941-07-10 1944-11-14 Trane Co Heat exchange unit
US2576905A (en) * 1948-03-26 1951-11-27 Trane Co Adjustable air distributor
US2600926A (en) * 1949-07-01 1952-06-17 Southern Air Conditioning Mfg Radial louver construction
US2715867A (en) * 1950-05-03 1955-08-23 Barber Colman Co Air distribution unit
US2772624A (en) * 1952-11-06 1956-12-04 W R Carnes Company Diffuser
US3053164A (en) * 1959-12-28 1962-09-11 Lyttle Sidney Air conditioning diffusers
JPS5693413U (de) * 1979-12-20 1981-07-24
US6554880B1 (en) 2000-11-22 2003-04-29 David T. Northcutt Adjustable air diffuser and related methods
KR101669254B1 (ko) * 2016-07-11 2016-10-25 (주)수산공조 공기조화기용 디퓨저

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3122485A1 (fr) 2021-04-28 2022-11-04 Group Elastoteck Système de rafraichissement de l’air intérieur dans une enceinte
FR3122484A1 (fr) * 2021-04-28 2022-11-04 Group Elastoteck Système de rafraichissement de l’air intérieur dans une enceinte
WO2023094618A1 (fr) 2021-11-26 2023-06-01 Group Elastoteck Systèmes de diffusion, pour la diffusion d'au moins un principe actif dans une enceinte d'elevage
FR3129566A1 (fr) 2021-11-26 2023-06-02 Group Elastoteck Systèmes de diffusion, pour la diffusion d’au moins un principe actif dans une enceinte d’élevage

Also Published As

Publication number Publication date
CA3038462A1 (en) 2019-09-29
AU2019202179A1 (en) 2019-10-17
US20190301768A1 (en) 2019-10-03
CN110319524A (zh) 2019-10-11

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