US3726202A - Arrangement at ventilation installations in rooms with high air comfort requirements - Google Patents

Arrangement at ventilation installations in rooms with high air comfort requirements Download PDF

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Publication number
US3726202A
US3726202A US00162419A US3726202DA US3726202A US 3726202 A US3726202 A US 3726202A US 00162419 A US00162419 A US 00162419A US 3726202D A US3726202D A US 3726202DA US 3726202 A US3726202 A US 3726202A
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US
United States
Prior art keywords
room
air
window
supply
fresh 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.)
Expired - Lifetime
Application number
US00162419A
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English (en)
Inventor
A Ahlberg
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.)
Svenska Flaktfabriken AB
Original Assignee
Svenska Flaktfabriken AB
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Filing date
Publication date
Application filed by Svenska Flaktfabriken AB filed Critical Svenska Flaktfabriken AB
Application granted granted Critical
Publication of US3726202A publication Critical patent/US3726202A/en
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Expired - Lifetime 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
    • 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
    • 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
    • F24F13/068—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as perforated walls, ceilings or floors
    • 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

Definitions

  • the invention relates to an arrangement at ventilation installations in apartment, office and similar rooms with high requirements on air comfort, including the supply of large fresh air quantities without causing appreciable draught and the removal of exhaust air from the room at an outer wall comprising a window.
  • This window in principle comprises an exhaust air screen, for example of glass, which is placed inside of the window surface and, by air caused to pass between the window pane and the screen, reduces the temperature difference between the screen and the room air. This, consequently, also reduces the air streams caused by said temperature difi'erence.
  • the aforesaid construction has rendered it possible to place and design devices adapted for ventilating the room with conditioned air without paying regard to windows.
  • the present invention is directed to a further development of the ventilation principle now widely known through the above Swedish patent specification.
  • the arrangement according to the invention is characterized in that it comprises at least two spaces formed by planeparallel plates, the space located farthest away from the room interior forming an exhaust air passageway in direct and free connection with the room, which passageway adjacent the ceiling of the room is connected with a fan or similar exhaust means by a duct extending transverse through the remaining spaces of the arrangement, the space located closest to the room interior being provided with a duct for the supply of fresh air adjacent the ceiling of the room and at its lower part being in direct connection with the room interior for introducing room air, and that between these inlets is provided a grid or an air diffusor with a damper means for introducing supply air to the room in a proportion of fresh air and co-ejected room air which is balanced by said damper means.
  • An expedient embodiment of the aforesaid arrangement which comprises two parallel spaces formed by two plane-parallel plates, is characterized in that the central plate located between the two outer plates is movable in parallel to increase and, respectively, reduce the width of the parallel spaces.
  • the space located closest to the room is adapted to receive a conditioning element between the fresh air supply duct and the damper means, which conditioning element, for example is arranged for the final heating or final cooling of the fresh air supplied through the upper part of the space.
  • said arrangement is mounted in a recess above the window, and of that space in said arrangement located toward the room interior the plate facing the room is adapted to support at the lower edge of its extension a screen, which is permeable to light but not to air.
  • the arrangement comprises three sound insulating plates 12, 13, 14 mounted adjacent the ceiling 5 of the room 3 and forming between themselves the spaces 1 and 2.
  • the space I is located farthest away from the room interior and acts as an exhaust air duct in direct and free connection with the room.
  • This space 1, adjacent the ceiling 5, is connected to a fan or similar exhaust unit (not shown), here designated by 7.
  • Said connection is effected by a duct 6 extending transversely through the second space 2 of the arrangement.
  • Said latter space in its turn is connected to a corresponding duct 8 for the supply of fresh air, according to the demand of conditioned outside-air, from a conditioning unit (not shown), for example of the construction disclosed in applicants patent specification of Lennart Astrom filed May 24, 197i (pat.appln. Ser. No.
  • Both said ducts preferably may be placed in the space between the ceiling 5 proper and a separately mounted sub-ceiling 50.
  • ll designates a grid or an air diffuser with a damper means 10 of known construction.
  • the damper means is a conical body with softly rounded side surfaces.
  • the damper means is movable as indicated by the doubleheaded arrows and thereby renders possible a definite balance proportion of fresh air and co-ejected room air which is taken in through the opening 9.
  • the effect of the damper means is increased still more due to that according to an expedient embodiment the central plate 13 is movable as indicated by the arrows 19.
  • a conditioning element may be provided for a possible final heating or final cooling of the fresh air supplied through the upper part 2a of the space 2.
  • the plate l4 located at the interior of the room 3 is provided at its lower edge 14a with an extension in the form of a screen permeable to light but not to air.
  • the screen is indicated in the drawing by dashed lines and designated by 18. It may, for example, be of the kind which includes heat-absorbing means.
  • the arrangement according to the invention provides the substantial advantage of reducing by co-ejection of room air the demand of exhaust air flow, so that the resulting remaining supply air may be utilized as excess air for side rooms and/or for maintaining in the room a certain overpressure.
  • the working principle of the arrangement when being applied together with a socalled exhaust air screen shows as one result the ensurance of a large air flow, which is required to prevent condensation risk which otherwise may arise at conventional ventilation installations of this kind.
  • the pressure drop above the arrangement can be set for supply air as well as exhaust air.
  • the novel and improved arrangement according to the invention thus, provides the possibility of better solving the ventilation problem than by the hitherto used more primitive solutions.
  • An arrangement in ventilation installations in apartment, office and similar rooms with high air comfort requirements including a need for the supply of large fresh air quantities without causing appreciable draught and the removal of exhaust air from the room at an outer wall adjacent a window
  • the installation comprises at least two spaces in said wall formed by planeparallel plates, the first of said spaces being located farthest away from the room interior and forming an exhaust air passageway having one end in direct and free connection with the room adjacent said window and the other end adjacent the ceiling of the room connected with exhaust means extending through the remaining space of the arrangement, the second space being located closest to the room interior and being connected to a supply of fresh air adjacent the ceiling of the room and at its lower part being in direct connection with the room interior, said second space having between said connections an air diffuser equipped with a damper means for the introduction of air to the room in a proportion of fresh air from said supply and co-ejected room air from said connection with the room interior, said proportion being determined by said damper means.
  • An arrangement according to claim 1 including in the space located closest to the room, between the supply of fresh air and the damper means, a conditioning element for the fresh air supplied through the upper part of the space.
  • damper means is adjustable to vary the proportion of fresh air and co-ejected room air.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Duct Arrangements (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Building Environments (AREA)
  • Air-Flow Control Members (AREA)
US00162419A 1970-07-21 1971-07-14 Arrangement at ventilation installations in rooms with high air comfort requirements Expired - Lifetime US3726202A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE10099/70A SE341460B (xx) 1970-07-21 1970-07-21

Publications (1)

Publication Number Publication Date
US3726202A true US3726202A (en) 1973-04-10

Family

ID=20291687

Family Applications (1)

Application Number Title Priority Date Filing Date
US00162419A Expired - Lifetime US3726202A (en) 1970-07-21 1971-07-14 Arrangement at ventilation installations in rooms with high air comfort requirements

Country Status (15)

Country Link
US (1) US3726202A (xx)
AT (1) AT312216B (xx)
AU (1) AU454597B2 (xx)
BE (1) BE770275A (xx)
CA (1) CA942573A (xx)
CH (1) CH533813A (xx)
CS (1) CS157125B2 (xx)
DE (1) DE2134778C3 (xx)
FI (1) FI50276C (xx)
FR (1) FR2103144A5 (xx)
GB (1) GB1347719A (xx)
NL (1) NL7110045A (xx)
NO (1) NO127939B (xx)
SE (1) SE341460B (xx)
SU (1) SU449511A3 (xx)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071080A (en) * 1976-01-14 1978-01-31 Bridgers Frank H Air conditioning system
US4132159A (en) * 1974-03-01 1979-01-02 Luftkonditionering Ab Noiseless air flow device and method
US5197920A (en) * 1991-09-23 1993-03-30 Thomas Ganse Element for user in a heating and air conditioning ductwork system
US5722483A (en) * 1996-08-14 1998-03-03 Gibson; Gary L. Air exchange apparatus and method
GB2374661A (en) * 2001-04-17 2002-10-23 Edmund Peter Gortowski Ventilation system for a building
EP1347247A3 (de) * 2002-03-22 2004-09-08 Maschinenfabrik Georg Kiefer GmbH Lüftungsbauelement sowie Verfahren zum Einbau eines Lüftungsbauelements
US20120329380A1 (en) * 2011-06-24 2012-12-27 Tai Chang-Hsien Ventilation System with Controllable Air Input and Output

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4304174A (en) * 1979-12-31 1981-12-08 Entropy Controls, Inc. Segmented panel curtain opening closure
FR2473161A1 (fr) * 1980-01-07 1981-07-10 Jenin Jacques Procede de construction, d'isolation et d'aeration de locaux, et dispositif de ventilation pour sa mise en oeuvre
DE3728698A1 (de) * 1986-09-03 1988-03-31 Enig Energieberatung Innovatio Klimaanlage
US5564980A (en) * 1995-02-09 1996-10-15 Becker; Sydney J. Room air quality conditioning system
CN107178862A (zh) * 2016-03-11 2017-09-19 杨辉 一种适用于推拉窗的便捷新风净化器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH53528A (de) * 1911-08-01 1912-03-01 Josef Sigrist Ventilationsanlage
US2488333A (en) * 1946-10-04 1949-11-15 Fred W Schlachter Air-conditioning apparatus and system
US2895398A (en) * 1956-07-04 1959-07-21 Outwerp & Exploitatiebureau Sh Ventilating system for a building, e.g. a building divided into flats
US3581649A (en) * 1969-04-14 1971-06-01 George W Rauenhorst Solar heating air changing wall structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH53528A (de) * 1911-08-01 1912-03-01 Josef Sigrist Ventilationsanlage
US2488333A (en) * 1946-10-04 1949-11-15 Fred W Schlachter Air-conditioning apparatus and system
US2895398A (en) * 1956-07-04 1959-07-21 Outwerp & Exploitatiebureau Sh Ventilating system for a building, e.g. a building divided into flats
US3581649A (en) * 1969-04-14 1971-06-01 George W Rauenhorst Solar heating air changing wall structure

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4132159A (en) * 1974-03-01 1979-01-02 Luftkonditionering Ab Noiseless air flow device and method
US4071080A (en) * 1976-01-14 1978-01-31 Bridgers Frank H Air conditioning system
US5197920A (en) * 1991-09-23 1993-03-30 Thomas Ganse Element for user in a heating and air conditioning ductwork system
US5722483A (en) * 1996-08-14 1998-03-03 Gibson; Gary L. Air exchange apparatus and method
GB2374661A (en) * 2001-04-17 2002-10-23 Edmund Peter Gortowski Ventilation system for a building
EP1347247A3 (de) * 2002-03-22 2004-09-08 Maschinenfabrik Georg Kiefer GmbH Lüftungsbauelement sowie Verfahren zum Einbau eines Lüftungsbauelements
US20120329380A1 (en) * 2011-06-24 2012-12-27 Tai Chang-Hsien Ventilation System with Controllable Air Input and Output
US9086222B2 (en) * 2011-06-24 2015-07-21 National Pingtung University Of Science And Technology Ventilation system with controllable air input and output

Also Published As

Publication number Publication date
AU454597B2 (en) 1974-10-31
DE2134778A1 (de) 1972-01-27
DE2134778B2 (de) 1973-07-26
CA942573A (en) 1974-02-26
NL7110045A (xx) 1972-01-25
FI50276C (fi) 1976-01-12
SE341460B (xx) 1971-12-27
SU449511A3 (ru) 1974-11-05
CS157125B2 (xx) 1974-08-23
BE770275A (fr) 1971-12-01
GB1347719A (en) 1974-02-27
FR2103144A5 (xx) 1972-04-07
AT312216B (de) 1973-12-27
DE2134778C3 (de) 1974-02-21
CH533813A (de) 1973-02-15
FI50276B (xx) 1975-09-30
NO127939B (xx) 1973-09-03
AU3126171A (en) 1973-01-18

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