DK156848B - AIR HEATER FOR A BUILDING OR RESIDENTIAL PROPERTY - Google Patents
AIR HEATER FOR A BUILDING OR RESIDENTIAL PROPERTY Download PDFInfo
- Publication number
- DK156848B DK156848B DK429683A DK429683A DK156848B DK 156848 B DK156848 B DK 156848B DK 429683 A DK429683 A DK 429683A DK 429683 A DK429683 A DK 429683A DK 156848 B DK156848 B DK 156848B
- Authority
- DK
- Denmark
- Prior art keywords
- air
- duct
- building
- fan
- air heater
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002650 habitual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1084—Arrangement or mounting of control or safety devices for air heating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D5/00—Hot-air central heating systems; Exhaust gas central heating systems
- F24D5/02—Hot-air central heating systems; Exhaust gas central heating systems operating with discharge of hot air into the space or area to be heated
- F24D5/04—Hot-air central heating systems; Exhaust gas central heating systems operating with discharge of hot air into the space or area to be heated with return of the air or the air-heater
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/254—Room temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/305—Control of valves
- F24H15/31—Control of valves of valves having only one inlet port and one outlet port, e.g. flow rate regulating valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Central Heating Systems (AREA)
- Ventilation (AREA)
- Pipe Accessories (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Cookers (AREA)
Description
1 DK 156848 B1 DK 156848 B
LUFTOPVARMNINGSANLÆG TIL EN BYGNING ELLER BEBOELSESEJENDOMAIR HEATING INSTALLATION FOR A BUILDING OR RESIDENTIAL PROPERTY
Opfindelsen vedr0rer et luftopvarmningsanlæg til en byg-ning eller beboelsesejendom og omfattende en med brændere 5 forsynet luftvarmer, som pâ afgangssiden er forbundet til i det mindste en fordelingskanal til f0ring af opvarmet luft til de forskellige rum i bygningen og pâ indgangssi-den er forbundet til i det mindste en luftf0dekanal, som strækker sig fra tryksiden af i det mindste en ventilator, 10 hvor indgangssiden af nævnte i det mindste ene ventilator i det mindste er i forbindelse med en returkanal for re-turluft, hvor en f0dekanal for frisk udeluft er sluttet til anlægget, og hvor forurenet luft fra bygningens vâde rum under varmeoverf0ring til den friske udeluft udst0des 15 til det fri ved hjælp af en separat ventilator.BACKGROUND OF THE INVENTION The invention relates to an air heater for a building or residential property and comprising a burner 5 provided with a heater 5 connected to at least one outlet duct for conveying heated air to the various rooms of the building and the entrance side connected to the at least one air feed duct extending from the pressure side of at least one fan, wherein the inlet side of said at least one fan is at least in connection with a return air return duct where a fresh outdoor air feed duct is closed to the plant and where contaminated air from the building's wet room during heat transfer to the fresh outdoor air is ejected to the outside by means of a separate fan.
I et luftopvarmningsanlæg af denne art opstâr der ofte problemer i forbindelse med styring af mængden og tempera-turen i den luft, som blæses ind i de forskellige rum i 20 bygningen.In an air heater of this kind, problems often arise in controlling the amount and temperature of the air which is blown into the various rooms of the building.
En kendt 10sning pâ dette problem er det sâkaldte dobbelte kanalsystem, der er beskrevet i NL offentligg0relsesskrift nr. 7 706 881. I dette System f0res sâvel opvarmet som ik-25 ke opvarmet luft frem til hvert rum. Temperaturen af den luft, som blæses ind i rummene, styres ved at variere det relative forhold mellem disse to luftstr0mme ved hjælp af blandeudstr0mningsenheder. Fra dette offentligg0relses-skrift er det kendt at tilpasse mængden af den opvarmede 30 luft eller varmebehovet i de enkelte rum.A known solution to this problem is the so-called dual duct system described in NL Publication No. 7 706 881. In this system, both heated and non-heated air are conveyed to each room. The temperature of the air which is blown into the compartments is controlled by varying the relative ratio of these two air streams by means of mixed flow units. From this disclosure, it is known to adjust the amount of heated air or heat demand in the individual rooms.
Det er indlysende, at et luftopvarmningsapparat, der om-fatter et dobbelt kanalsystem og tilh0rende blandeudstr0m-ningsenheder er ret kostbart.It is obvious that an air heater comprising a dual duct system and associated mixing effluent units is quite costly.
2 DK 156848 B2 DK 156848 B
Med udgangspunkt i denne ide er det et formâl med nærvæ-rende opfindelse at tilvejebringe et luftopvarmningsanlæg, som er billigt at installere, og hvormed rumtemperaturen 5 let og energi0konomisk kan styres.Based on this idea, it is an object of the present invention to provide an air heater which is inexpensive to install and by which the room temperature 5 can be easily and economically controlled.
Dette formâl opnâs med et luftopvarmningsanlæg af den ind-ledningsvist angivne art, hvilket luftopvarmningsanlæg i-f0lge opfindelsen er særegent ved, at luftvarmeren bestâr 10 af et antal separat kontrollerbare brændersektioner, at hver brændersektion er sluttet til dens egen fordelingska-nal, der f0rer luft til et omrâde i bygningen med et spe-cifikt varmebehov, at i det mindste en af nævnte brændersektioner i luftvarmeren er forsynet med en særskilt luft-15 f0dekanal, som via en særskilt ventilator er forbundet med f0dekanalen for frisk udeluft, og at de 0vrige brændersektioner er sluttet til en fælles luftf0dekanal, der via en anden ventilator alene er forbundet med returkanalen for returluft.This object is achieved with an air heater of the type mentioned in the introduction, which air heater according to the invention is peculiar in that the air heater consists of a number of separately controllable burner sections, each burner section being connected to its own distribution channel which carries air to an area of the building with a specific heating requirement that at least one of said burner sections in the air heater is provided with a separate air-feed duct, which is connected via a separate fan to the feed duct for fresh outdoor air, and that the other burner sections is connected to a common air duct which is connected to the return duct for return air only through another fan.
20 Pâ denne mâde forsynes hvert omrâde i bygningen med luft med en temperatur, som er indstillet efter de specifikke varmekrav i det pâgældende omrâde. Sàledes kan en behage-lig temperatur opretholdes igennem bygningen pâ brændstof-25 0konomisk mâde samtidig med, at varmeanlægget selv forbli-ver en enkel konstruktion.20 In this way, each area of the building is supplied with air at a temperature which is set according to the specific heating requirements in the area in question. Thus, a comfortable temperature can be maintained throughout the building in a fuel-economical manner while the heating system itself remains a simple construction.
Da i det mindste en af fordelingskanalerne via den tilh0-rende sektion af luftvarmere er forbundet med en separat 30 luftf0dekanal, som ved en ventilator alene er forbundet med en f0dekanal for frisk udeluft, medens de 0vrige for-delingskanaler alene forbindes gennem en anden ventilator med returkanalen for returluft, opnâs en tilfredsstillende ventilation i bygningen sammen med en energi0konomisk re-Since at least one of the distribution channels is connected via the associated section of air heaters to a separate air feed duct which is connected to a fan only for a fresh outdoor air duct, while the other distribution ducts are connected only through another fan. return air duct, satisfactory ventilation is achieved in the building together with an energy-efficient
3 DK 156848 B3 DK 156848 B
cirkulation af returluften.circulation of the return air.
Det er fordelagtigt, som omhandlet i krav 2, at den bræn-dersektion, som alene f0des med frisk udeluft, er sluttet 5 til en fordelingskanal, der f0rer til beboelsesejendommens eller bygningens soveareal.Advantageously, as claimed in claim 2, the burner section, which is fed with fresh outdoor air alone, is connected 5 to a distribution channel leading to the sleeping area of the residential property or building.
Herved opnâs, at ventilationsluft tilf0res bygningen via soverummene. Soverummene fâr sâledes ikke tilf0rt retur-10 luft, som eventuelt kunne være forurenet af ubehagelige stoffer eller lugte.This ensures that ventilation air is supplied to the building via the bedrooms. Thus, the bedrooms are not supplied with return air, which could possibly be contaminated by unpleasant substances or odors.
Luftopvarmningsanlægget if01ge opfindelsen forklares ne-denfor detaljeret med henvisning til tegningen, der viser 15 et diagram af en udformning af luftvarmeanlægget.The air heater according to the invention is explained below in detail with reference to the drawing, which shows a diagram of an embodiment of the air heater.
Blokken 1 til venstre i tegningen illustrerer diagrammæs-sigt en beboelse med et soveareal 2, et opholdsareal 3 pâ solsiden, et opholdsareal 4 pâ skyggesiden og et vâdrum 5.The block 1 to the left of the drawing illustrates, diagrammatically, a dwelling with a sleeping area 2, a living area 3 on the sunny side, a living area 4 on the shade side and a wet room 5.
20 Blokken 6 til h0jre er et diagram, som skematisk viser en luftopvarmningsenhed, som omfatter et forbrændingskammer 7 og et luftindslusningskammer 8. Forbrændingskammeret inde-holder en luftvarmer 9, der er udrustet fortrinsvis med gasbrændere samt med en vandvarmer 10. Luftindslusnings-25 kammeret 8 indeholder en luftf0deventilator 11 og en f0de-kanal 12 for frisk udeluft, hvortil der er forbundet en varmeveksler 13. Varmeveksleren 13 er ogsâ forbundet med en udblæsningskanal 14 for forbrændingsgasser fra forbrændingskammeret, og forbrændingsgasserne udst0des via varme-30 veksleren 13 ved hjælp af en udsugningsventilator 15 og en kanal 16. En returkanal 17 f0rer ogsâ til luftindslus-ningskammeret 8 og g0r det muligt at recirkulere luft fra opholdsarealerne og sovearealerne i beboelsen.The block 6 on the right is a diagram schematically showing an air heating unit comprising a combustion chamber 7 and an air inlet chamber 8. The combustion chamber contains an air heater 9, which is preferably equipped with gas burners and with a water heater 10. The air inlet chamber 8 contains an air-feed fan 11 and a fresh-air feed duct 12 to which is connected a heat exchanger 13. The heat exchanger 13 is also connected to an exhaust gas duct 14 from the combustion chamber, and the combustion gases are emitted through the heat exchanger 13 through the exchanger 15 and a duct 16. A return duct 17 also leads to the air containment chamber 8 and allows air to be recirculated from the living and sleeping areas of the dwelling.
4 DK 156848 B4 DK 156848 B
Luftopvarmningsanlaegget, som er vist pâ tegningen, er et lukket System, der er specielt egnet til godt isolerede og trækfri boliger. Den forurenede luft, som f0des ind i for-brændingskammeret 7 fra det vâde rum 5 via en kanal 18, 5 anvendes som luft til forbrænding i luftvarmeren og vand-varmeren. Den samlede luftindf0dning og -udsugning til be-boelsen styres pâ den mâde fuldstændigt af to ventilatorer - —11 og 15.......... ...... .......... ............The air heating system shown in the drawing is a closed system, especially suitable for well insulated and draft-free homes. The contaminated air fed into the combustion chamber 7 from the wet room 5 via a duct 18, 5 is used as air for combustion in the air heater and the water heater. In this way, the total air intake and exhaust for the housing are completely controlled by two fans - —11 and 15 .......... ...... ........... ...........
10 I udformningen, der er vist pâ tegningen, bestâr luftvarmeren af tre sektioner 9 ', 9 ' ', 9T ' ', der hver indeholder en gruppe brændere. Kanalen 19 f' afgrenes i to kanaler 21 og 22 til hver sin sektion i luftvarmeren, sàledes at hver afgrening virker sammen med den tilh0rende sektion af 15 luftvarmeren. Sàledes er luft i fordelingskanalen 21 op-varmet af sektion 9'1 og luft i fordelingskanalen 22 af sektion 9 ' ' '. Fordelingskanalen 20 f0rer til sovearealet 2 i beboelsen, hvor temperaturen i den luft, som f0res gen-nem denne kanal, styres ved hjælp af en rumtermostat 23, 20 der styrer gastilf0rslen til den tilh0rende sektion 91. Fordelingskanalen 21 f0rer til opholdsomrâdet 3 pâ solsi-den, og en rumtermostat 24 styrer gastilf0rslen til sektion 9 ' ', medens distributionskanalen 22 f0rer til opholdsomrâdet 4 pâ skyggesiden, hvor en rumtermostat 25 25 styrer gastilf0rslen til sektion 9’''.10 In the embodiment shown in the drawing, the air heater consists of three sections 9 ', 9' ', 9T' ', each containing a group of burners. The duct 19 f 'is branched into two ducts 21 and 22 for each section of the air heater so that each branch co-operates with the corresponding section of the air heater. Thus, air in the distribution duct 21 is heated by section 9'1 and air in the distribution duct 22 of section 9 '' '. The distribution duct 20 leads to the sleeping area 2 in the dwelling, where the temperature of the air flowing through this duct is controlled by a room thermostat 23, 20 which controls the gas supply to the associated section 91. The distribution duct 21 leads to the living area 3 in the solar room. it, and a room thermostat 24 controls the gas supply to section 9 '', while the distribution channel 22 leads to the dwelling area 4 on the shadow side, where a room thermostat 25 controls the gas supply to section 9 ''.
Den til luftvarmeren 9 f0rende kanal er sàledes delt i to separate kanaler 19 ' og 19''. Luftf0deventilatoren 11 bestâr i dette tilfælde af en dobbeltblæser 11' og 11'', som 30 trækker to separate luftstr0mme. Den ene luftstr0m indeholder kun frisk udeluft, som f0des til luftf0dekanalen 19' via luftf0dekanalen 12, varmeveksleren 13 og ventila-tordelen 11 ' . Den anden luftstr0m indeholder kun retur-luft, som f0des til luftf0dekanalen 19'' via returkanalenThe duct leading to the air heater 9 is thus divided into two separate ducts 19 'and 19' '. The airflow fan 11 in this case consists of a double fan 11 'and 11' 'which draws two separate air streams. One air stream contains only fresh outdoor air which is fed to the air duct 19 'via the air duct 12, the heat exchanger 13 and the fan part 11'. The second air stream contains only return air fed to the air feed duct 19 '' via the return duct
5 DK 156848 BDK 156848 B
17 og ventilatordelen 11'’.17 and the fan portion 11 ''.
Den friske udeluft, som indf0des af f0dekanalen 19', f0des til sektion 9' i luftvarmeren 9, og den f0res sâ via for-5 delingskanalen 20 til sovearealet 2 i beboelsen. Returluf-ten, som f0des af f0dekanalen 19 ' ', f0des til sektionerne 9’' og 9" ' i luftvarmeren 9, og den f0res derefter via de respektive fordelingskanaler 21 og 22 til opholdsomràderne 3 og 4 i beboelsen. Den resulterende situation er, at kun 10 frisk udeluft f0des til soveomrâdet 2 i bygningen, medens opholdsomràderne 3 og 4 forsynes alene med returluft. For-delen ved dette er, at ingen returluft indeholdende foru-reninger kan nà til soveomrâderne i beboelsen.The fresh outdoor air introduced by the feed duct 19 'is fed to section 9' of the air heater 9, and it is then fed through the distribution duct 20 to the sleeping area 2 in the accommodation. The return air fed by the feed duct 19 '' is fed to the sections 9 '' and 9 "'of the air heater 9 and is then fed through the respective distribution ducts 21 and 22 to the living areas 3 and 4 of the dwelling. The resulting situation is, that only 10 fresh outdoor air is fed to the sleeping area 2 in the building, while the living areas 3 and 4. are provided with return air only, the advantage of this is that no return air containing pollutants can reach the sleeping areas in the dwelling.
15 Det er en almindelig vane for beboerne i en beboelse at lade vinduerne i soveværelset stâ delvis âbne i dagens 10b og om natten, og dette er en vane, som ikke passer godt med principperne i en velisoleret og trækfri beboelse. For at modvirke denne vanemæsige opf0relse ventileres soverum-20 mene i anlægget if01ge nærværende opfindelse med frisk u-deluft uden ulemperne ved varmetab.15 It is a common habit for the occupants of a dwelling to leave the windows of the bedroom partially open in day 10b and at night, and this is a habit which does not fit well with the principles of a well insulated and draft-free dwelling. In order to counteract this habitual behavior, the bedrooms in the plant according to the present invention are ventilated with fresh outdoor air without the disadvantages of heat loss.
Nogle st0rrelser for luft, der f0des eller udblæses gennem de forskellige ledninger eller kanaler, anf0res nedenfor 25 som et eksempel med hensyn til en normal standard beboelse. De tre fordelingskanaler f0rer hver en luftmængde pâ 150 m3/t til det tilh0rende omrâde i beboelsen. Udtaget af forurenet luft fra de vâde rum, for eksempel k0kken, bade-værelse, toilet etc., er ogsà 150 m3/t. Den 0vrige luft-30 mængde, som returneres til luftindslusningskammeret 8 via returkanalen 17, er 300 m3/t, sâledes at i balance tilf0-res der 150 m3/t frisk udeluft, og en tilsvarende mængde pâ 150 m3/t forurenet luft tages ud med forbrændingsgas-serne til omgivelserne.Some sizes of air fed or blown through the various conduits or ducts are given below 25 as an example of a normal standard habitation. The three distribution ducts each carry an airflow of 150 m3 / h to the corresponding area in the dwelling. The extraction of polluted air from the wet rooms, for example the kitchen, bathroom, toilet etc., is also 150 m3 / h. The other air quantity returned to the air inlet chamber 8 via the return duct 17 is 300 m3 / h, so that in balance, 150 m3 / h fresh air is supplied and a corresponding amount of 150 m3 / h polluted air is taken out. with the combustion gases to the surroundings.
6 DK 156848 B6 DK 156848 B
Det er indlysende, at talrige varianter er mulige indenfor opfindelsens rammer. Sâledes kan der installeras to sepa-rate ventilatorer i stedet for en dobbeltblæser, en til 5 frisk udeluft og en til returluft. Luftvarmeren kan for eksempel bestâ af mere end tre sektioner, i hvilket til-fælde bygningen eller beboelsen er opdelt i et tilsvarende antal omràder. Flere eller andre sektioner af beboelsen kan ogsâ opvarmes alene med frisk udeluft.It is obvious that numerous variants are possible within the scope of the invention. Thus, two separate fans can be installed instead of a double fan, one for 5 fresh outdoor air and one for return air. For example, the air heater may consist of more than three sections, in which case the building or dwelling is divided into a similar number of areas. Several or other sections of the dwelling can also be heated alone with fresh outdoor air.
Claims (2)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8203812A NL8203812A (en) | 1982-09-30 | 1982-09-30 | Building air-heating system - has heater in zones with separate burners serving different areas via distribution conduits |
| NL8203812 | 1982-09-30 | ||
| NL8301113 | 1983-03-30 | ||
| NLAANVRAGE8301113,A NL178275C (en) | 1982-09-30 | 1983-03-30 | AIR HEATING DEVICE FOR A BUILDING OR HOUSING. |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| DK429683D0 DK429683D0 (en) | 1983-09-21 |
| DK429683A DK429683A (en) | 1984-03-31 |
| DK156848B true DK156848B (en) | 1989-10-09 |
| DK156848C DK156848C (en) | 1990-03-05 |
Family
ID=26645806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK429683A DK156848C (en) | 1982-09-30 | 1983-09-21 | AIR HEATER FOR A BUILDING OR RESIDENTIAL PROPERTY |
Country Status (6)
| Country | Link |
|---|---|
| DE (1) | DE3335008A1 (en) |
| DK (1) | DK156848C (en) |
| FR (1) | FR2534003A1 (en) |
| GB (1) | GB2136107B (en) |
| IT (1) | IT1171095B (en) |
| NL (1) | NL178275C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT387446B (en) * | 1985-12-24 | 1989-01-25 | Flechl Johann | Air heating system |
| FI92525C (en) * | 1993-03-16 | 1994-11-25 | Vallox Oy | Ventilation heating unit |
| AT402666B (en) * | 1994-04-28 | 1997-07-25 | Vaillant Gmbh | VENTILATION HEATING VENTILATION HEATING |
| NL1007251C2 (en) * | 1997-10-10 | 1999-04-15 | Stork J E Ventilatoren Bv | Multifunctional heating device. |
| DE29814327U1 (en) * | 1998-08-10 | 1999-12-16 | Thesz, Michael Georg, 83404 Ainring | Warm air heating system |
| WO2000031473A1 (en) * | 1998-11-20 | 2000-06-02 | Haeusler Peter | Device and method for heating and/or ventilating a room |
| US6550687B2 (en) * | 2000-04-10 | 2003-04-22 | Hon Technology Inc. | Heat exchange system |
| US8978639B2 (en) | 2011-10-14 | 2015-03-17 | Hearth & Home Technologies, Inc. | Secondary room air heat exchanger and method of heating secondary room air |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2575907A (en) * | 1951-01-24 | 1951-11-20 | Charles W Carlson | Forced air heating apparatus |
| GB936164A (en) * | 1961-03-02 | 1963-09-04 | Carrier Engineering Co Ltd | Improvements in or relating to ventilating systems |
| DE2027160A1 (en) * | 1969-06-12 | 1970-12-17 | Ab Gustavsbergs Fabriker, Gustavsberg (Schweden) | Procedure for heating apartments or similar with preheated air in connection with ventilation |
| DE2232069A1 (en) * | 1972-06-30 | 1974-01-03 | Licentia Gmbh | ELECTRIC BLOCK STORAGE AIR HEATING AND VENTILATION SYSTEM |
| GB1474732A (en) * | 1975-03-11 | 1977-05-25 | Carrier Drysys Ltd | Paint-spraying booths |
| NL7706881A (en) * | 1977-06-22 | 1978-12-28 | Stamicarbon | SYSTEM FOR HEATING BUILDINGS. |
| US4245779A (en) * | 1979-02-28 | 1981-01-20 | Ardiente Nestor P | System for increasing heating efficiency |
-
1983
- 1983-03-30 NL NLAANVRAGE8301113,A patent/NL178275C/en not_active IP Right Cessation
- 1983-09-21 DK DK429683A patent/DK156848C/en not_active IP Right Cessation
- 1983-09-26 FR FR8315228A patent/FR2534003A1/en active Granted
- 1983-09-28 DE DE19833335008 patent/DE3335008A1/en not_active Withdrawn
- 1983-09-30 IT IT23074/83A patent/IT1171095B/en active
- 1983-09-30 GB GB08326226A patent/GB2136107B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2534003B3 (en) | 1985-02-08 |
| GB8326226D0 (en) | 1983-11-02 |
| DK429683D0 (en) | 1983-09-21 |
| GB2136107A (en) | 1984-09-12 |
| FR2534003A1 (en) | 1984-04-06 |
| DK156848C (en) | 1990-03-05 |
| NL178275B (en) | 1985-09-16 |
| IT8323074A1 (en) | 1985-03-30 |
| DE3335008A1 (en) | 1984-04-05 |
| IT1171095B (en) | 1987-06-10 |
| NL178275C (en) | 1988-10-17 |
| NL8301113A (en) | 1984-04-16 |
| GB2136107B (en) | 1987-05-13 |
| IT8323074A0 (en) | 1983-09-30 |
| DK429683A (en) | 1984-03-31 |
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