US3780638A - Construction for the ventilation and air conditioning of rooms of existing buildings - Google Patents

Construction for the ventilation and air conditioning of rooms of existing buildings Download PDF

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Publication number
US3780638A
US3780638A US00310137A US3780638DA US3780638A US 3780638 A US3780638 A US 3780638A US 00310137 A US00310137 A US 00310137A US 3780638D A US3780638D A US 3780638DA US 3780638 A US3780638 A US 3780638A
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United States
Prior art keywords
building
air
wall
ducts
window
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Expired - Lifetime
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US00310137A
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English (en)
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H Fuss
E Burghartz
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Individual
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    • 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

  • ABSTRACT Ventilation and air conditioning system for heating, cooling and ventilating existing buildings, which avoids the necessity of breaking through the walls, floor or ceiling of the building for the provision of air supply and exhaust ducts.
  • This systems consists of an air-tight false building wall, which may be a false front wall of the building in the form of a subframe having air supply and return ducts therein having communication with the interior of the building.
  • the breaking through of the walls, floors and ceilings of the building is avoided by placing at least one false wall along a wall of the building and spaced from the wall of the building and placing the air supply and return ducts in this false wall and connecting these ducts with a heating, ventilation or air conditioning system and at the same time, protecting the region of the building covered by the false wall from noise, dust and other undesirable emissions.
  • a second wall which may a front wall
  • a supply and exhaust channel network is formed in the space between the second front wall and the front wall of the building having air circulation and return ducts therein connected with air circulation and return units which may be air conditioning units which may also serve as heating units.
  • Other air circulating ducts then lead into the building usually through the existing window openings or along the floor or ceiling of the building to circulate cool air into the building and to withdraw stale air therefrom.
  • the air circulation and exhaust network can readily be installed along the original wall of the building prior to the building of the false wall and the false wall can be so constructed as to conform to the original wall and to give an architecturally satisfying appearance.
  • forced air circulation boxes in the form of fans may be provided in communication with the ducts and are sufficient to provide the room with fresh air or with recirculated air, it being understood that the fresh air forced into the rooms forces the stale air out of the rooms to be exhausted through a channel network between the existing wall and false wall of the building.
  • the air circulation ducts may have communication with the heating system which may be a part or in communication with the blowers or fans and where it is desired to cool and heat the building as well as humidify the supply of air in the building, the air circulating means may be in the form of reverse cycle air conditioners which may be used for both heating and cooling purposes.
  • the air supply and return network may be used in connection with the original heating system installed in the building where such a system is in the building.
  • the false wall provides an air and water-tight wall in the form of a subconstruction, which is braced against the building wall and having glass therein in the area of the building windows and connected with the frames for the building windows as well as the opposite end walls of the building and supporting pillars therefor to further strengthen the false wall and prevent dust, water and moisture from entering the spaces between the two walls.
  • the advantages of the present invention besides providing a ventilation, heating and cooling system for a building, seal the wall of a building along which the false front extends and is readily and positively attached thereto.
  • a further advantage of the invention is that air circulation or conditioning boxes may be arranged in the area of the window support of the building window to induce fresh air from above the building window generally parallel to the ceiling of the room and to extract stale air from along the bottom of the room along the window railings.
  • the air supply channel network may be connected to an air conditioning system and the extraction channel network may be connected with suction devices such as suction fans and a mixing damper arrangement may be included for controlling the mixing of fresh air, warm air and cool air in the room.
  • suction devices such as suction fans
  • a mixing damper arrangement may be included for controlling the mixing of fresh air, warm air and cool air in the room.
  • a further advantage of the invention is that by the construction of a false wall or front spaced from an already existing building wall, with the conditioners or blowers required for the ventilation or air conditioning of the room contained in the space between the wall of the building and the false wall outside of the building proper, the space between the building wall and false wall may be used for the air circulating network without obstructing or entailing costly structural changes in the building itself.
  • a further advantage of the invention is that the false wall can be prefabricated and assembled without excessive personnel or time consumption with the false wall forming a protection from noise, dust and undesirable emissions.
  • FIG. 1 is a schematic front view of a building structure diagrammatically illustrating a front wall of the building with a portion of a false wall spaced in advance of the front wall.
  • FIG. 2 is a fragmentary diagrammatic vertical sectional view taken through the wall and window structure of a building illustrating the false wall of the invention spaced in advance of the original wall of the building.
  • FIG. 3 is a horizontal sectional view taken through the window structure shown in FIG. 2;
  • FIG. 4 is an enlarged fragmentary horizontal sectional view somewhat similar to FIG. 3 but drawn to an DESCRIPTION enlarged scale and partially showing the structure shown in FIG. 3.
  • FIG. 1 of the drawings we have diagrammatically indicated by reference numeral l an exterior wall of a building having windows 7 therein.
  • Reference numeral 2 diagrammatically indicates a false wall of the building spaced from the external wall 1 and generally conforming to said external wall with the space between the walls 1 and 2 forming an air circulation space.
  • the air circulation space is diagrammatically illustrated as having ductwork extending in the area of pillars and railings 6 and including an air supply duct 3 illustrated by dot-dash lines contained within an air exhaust duct 4 illustrated by solid lines.
  • an air supply duct 3 is shown as being circular in cross section and as extending within the exhaust duct 4, which is shown as being rectangular in cross section and between connecting frames 14 extending along the insides of the window frames and along opposite sides of the window frames.
  • the air circulating and exhaust ducts 3 and 4 may be connected with supply and exhaust blowers re spectively (not shown) and extend vertically along the wall of the building from the bottom to the top thereof in the space between the false wall 2 and the original building wall 1.
  • the supply ducts have communication with air cooling boxes 8 which are arranged between the pillars 5 and between pillars 5 and 12 for supplying cooled air to the room of the building along the tops of windows 7.
  • the air cooling boxes 8 may be in the form of air distribution boxes and may have filters (not shown) therein, or may be in the form of air conditioners which either may be used for cooling purposes or may operate on reverse cycles for heating and dehumidifying purposes.
  • the false wall 2 is air and water-tight providing a closed wall, which in many buildings may be a front wall and consisting of a subconstruction 9 spaced from the building wall 1 and suitably connected to and braced to said wall to provide a rigid wall construction.
  • the false wall has a front panel in the area of the pillars 12 and 5 and railings 6 and has glass panels 11 in the area of the building windows 7 and in direct alignment therewith.
  • the subconstruction 9 includes a series of connecting frames 14 which are of a rectangular duct-like form extending outwardly of the window opening of the building.
  • Each connecting frame has an outwardly extending leg 14a extending at right angles to the side wall of the frame and having an outwardly opening recess 14b formed integrally therewith.
  • a divider 140 extends outwardly along the recess 14b to a sealing and closure member 14d extending along the adjacent ends of the panel 10 and the glass 11 and forms a seal therefor.
  • the frame 14 also has an opposite leg l4e spaced from a vertical leg of an angle iron generally conforming to an angle bracket 13 by a seal 13a.
  • the angle iron 20 is spaced from the angle bracket 13 by sealing material 13b.
  • the seals may be of plastic or rubber material.
  • a bolt or screw 20a is provided to secure the angle irons together while a second bolt or screw 20b secures the leg Me of the frame 14 to the angle iron 20 and the angle bracket 13.
  • the angle bracket 13 is provided with an elongated slot 18 through which a pin or screw 19 extends which may be threaded or otherwise secured to the pillar 12.
  • the slot 18 accommodates adjustment of the angle bracket 13 relative to the pillar 12 and also accommodates adjustment of the channel-like frame 14 relative to said pillar.
  • a sealing material is provided between the pillar 12 and the elongated leg of-the angle bracket 13.
  • a shield 16 extends from the opposite side of the channel-like frame 14 from the leg Me and forms a part of said frame. Said shield extends along a soffit 15 of the window frame and is spaced therefrom by a spacer frame member 17, recessed in the soffit and extending outwardly therefrom.
  • a similar connecting frame 14 extends about and outwardly of each window opening.
  • Grills 21 open through bottom walls 26 of the ducts formed by the frames 14 and have communication with theexhaust ducts 4 to withdraw spent air from the room from positions adjacent the bottoms of the window frames.
  • the air cooling boxes 8 have ducts 27 leading therefrom into the room through vertical flanges 30'of the frame 14. Said ducts have grills 29 opening into the room along the top of the window frame beneath the soffit for circulating fresh, conditioned or heated air into the room. Similar ducts 27a lead from the bottom air circulating box 8 into the room along the soffit of the next downwardly spaced window and force cooled, conditioned or heated air into the room through a grill 29a.
  • the ducts 27a extend through vertical flanges 30a of the connecting frame 14.
  • the exhaust channel network 4 may be connected with an exhaust channel 23 (FIG. 1) extending across the building wall adjacent the floor thereof.
  • the exhaust channel may be connected with an exhaust blower (not shown) for drawing air from the builidng or recirculating the air through the air supply ducts 3.
  • Suitable dampers (not shown) may be provided to effect the mixing of fresh air and recirculated air and to control the exhaust of air along the exhaust ducts 4.
  • the second or false wall 2 may be assembled in sections to conform to the wall and windows of the builidng and may readily be assembled around the window frames of the building and along the bottom and top of the building in a simplified manner, and that the construction is such that the false wall may be constructed entirely of prefabricated elements basically consisting of the frame sections 9 and connected front panels 10 and the respective holding angles or angle brackets 13 along with the adjustment arrangements including the screws 19 and slots 18, as well as the supply air channels 3 and cooling boxes 8.
  • the glass 11 is only inserted upon completion of the erection of the false wall and the exhaust channel network 4 is formed during the assembly of the front wall in the spaces between the front wall and the pillars and other parts of the building.
  • the individual prefabricated components may be connected together as by screws or bolts (not shown) to provide a continuous false wall extending across a front or other wall of the building.
  • the prefabricated parts may also be welded together and the air return or exhaust ducts may have grills 21 in the walls thereof facing the soffit 15 of the frame for the window 7.
  • means affording communication between said air supply and exhaust duets with the rooms of the building including means forcing air through said supply ducts to the rooms of the building.
  • the means forcing air through the supply ducts to the rooms of the building comprise cooling boxes connected with said air supply ducts.
  • the false wall comprises a subconstruction braced against the building front and having front facing panels, receptacles for glass in front of the building window openings and glass sealed to said receptacles.
  • angle brackets fastened to said pillars and connecting frames connect said subconstruction to said pillars through said angle brackets.
  • subconstruction covering sheets form a frame conforming to the window perimeter and contain air grills leading through the bottom of the frame.
  • the window frame includes a soffit
  • the air supply channel network and cooling boxes have discharge ducts discharging purified and cooled air along the soffits of the window frame.
  • exhaust ducts exhaust air through the bottom sheet of the frame conforming to the window perimeter and include a discharge duct con nected with a source of suction.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Building Environments (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Central Air Conditioning (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Ventilation (AREA)
US00310137A 1971-12-03 1972-11-28 Construction for the ventilation and air conditioning of rooms of existing buildings Expired - Lifetime US3780638A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2160012A DE2160012C3 (de) 1971-12-03 1971-12-03 Baukonstruktion zum Be- und Entlüften sowie Klimatisieren von bestehenden Gebäuden

Publications (1)

Publication Number Publication Date
US3780638A true US3780638A (en) 1973-12-25

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ID=5826909

Family Applications (1)

Application Number Title Priority Date Filing Date
US00310137A Expired - Lifetime US3780638A (en) 1971-12-03 1972-11-28 Construction for the ventilation and air conditioning of rooms of existing buildings

Country Status (10)

Country Link
US (1) US3780638A (xx)
JP (1) JPS5224784B2 (xx)
BE (1) BE792020A (xx)
BR (1) BR7208443D0 (xx)
CH (1) CH557942A (xx)
DE (1) DE2160012C3 (xx)
FR (1) FR2164228A5 (xx)
GB (1) GB1406692A (xx)
IT (1) IT993545B (xx)
NL (1) NL7216293A (xx)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523518A (en) * 1982-08-02 1985-06-18 Yoshida Kogyo K.K. Apparatus for controlling temperature in a unit type curtain wall
US9702152B2 (en) 2011-06-17 2017-07-11 Basf Se Prefabricated wall assembly having an outer foam layer
US10801197B2 (en) 2015-01-19 2020-10-13 Basf Se Wall assembly having a spacer
US11118347B2 (en) 2011-06-17 2021-09-14 Basf Se High performance wall assembly
US11541625B2 (en) 2015-01-19 2023-01-03 Basf Se Wall assembly

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56113677A (en) * 1980-02-13 1981-09-07 Fujitec Kk Light ceiling for elevator
DE3228180C2 (de) * 1982-07-28 1985-10-17 Josef Gartner & Co, 8883 Gundelfingen Verfahren zum Trockenhalten des Zwischenraums zwischen einer Gebäudeaußenwand und einer Fassadenkonstruktion
FI91802C (fi) * 1991-03-20 1994-08-10 Suomen Puhallintehdas Oy Ilmanvaihtojärjestelmä monikerroksista rakennusta varten

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US328818A (en) * 1885-10-20 System of ventilation
US982721A (en) * 1910-09-28 1911-01-24 Emery C Hodges Apparatus for heating, cooling, and ventilating buildings.
US2465184A (en) * 1946-09-18 1949-03-22 William N Alderman Building heating system
US2641449A (en) * 1947-11-14 1953-06-09 John C Antony Building construction
FR1230351A (fr) * 1959-07-20 1960-09-15 Maison de verre
US3343474A (en) * 1964-09-22 1967-09-26 Sohda Yoshitoshi Building with a vent device
US3368473A (en) * 1963-11-21 1968-02-13 Sohda Yoshitoshi Roof and wall construction
US3415024A (en) * 1965-08-09 1968-12-10 Joseph C. Kotlarz Glazing panel supporting framework with heating and cooling system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US328818A (en) * 1885-10-20 System of ventilation
US982721A (en) * 1910-09-28 1911-01-24 Emery C Hodges Apparatus for heating, cooling, and ventilating buildings.
US2465184A (en) * 1946-09-18 1949-03-22 William N Alderman Building heating system
US2641449A (en) * 1947-11-14 1953-06-09 John C Antony Building construction
FR1230351A (fr) * 1959-07-20 1960-09-15 Maison de verre
US3368473A (en) * 1963-11-21 1968-02-13 Sohda Yoshitoshi Roof and wall construction
US3343474A (en) * 1964-09-22 1967-09-26 Sohda Yoshitoshi Building with a vent device
US3415024A (en) * 1965-08-09 1968-12-10 Joseph C. Kotlarz Glazing panel supporting framework with heating and cooling system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523518A (en) * 1982-08-02 1985-06-18 Yoshida Kogyo K.K. Apparatus for controlling temperature in a unit type curtain wall
US9702152B2 (en) 2011-06-17 2017-07-11 Basf Se Prefabricated wall assembly having an outer foam layer
US11118347B2 (en) 2011-06-17 2021-09-14 Basf Se High performance wall assembly
US11131089B2 (en) 2011-06-17 2021-09-28 Basf Se High performace wall assembly
US10801197B2 (en) 2015-01-19 2020-10-13 Basf Se Wall assembly having a spacer
US11541625B2 (en) 2015-01-19 2023-01-03 Basf Se Wall assembly

Also Published As

Publication number Publication date
FR2164228A5 (xx) 1973-07-27
JPS4864737A (xx) 1973-09-07
CH557942A (de) 1975-01-15
JPS5224784B2 (xx) 1977-07-04
DE2160012A1 (de) 1973-06-14
BE792020A (fr) 1973-03-16
IT993545B (it) 1975-09-30
GB1406692A (en) 1975-09-17
BR7208443D0 (pt) 1973-10-09
NL7216293A (xx) 1973-06-05
DE2160012C3 (de) 1974-03-28
DE2160012B2 (de) 1973-09-13

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