DK155235B - HEAT RECOVERY FOR BUILDINGS IN CONNECTION WITH A HEAT PUMP - Google Patents
HEAT RECOVERY FOR BUILDINGS IN CONNECTION WITH A HEAT PUMP Download PDFInfo
- Publication number
- DK155235B DK155235B DK080681AA DK80681A DK155235B DK 155235 B DK155235 B DK 155235B DK 080681A A DK080681A A DK 080681AA DK 80681 A DK80681 A DK 80681A DK 155235 B DK155235 B DK 155235B
- Authority
- DK
- Denmark
- Prior art keywords
- heat
- air
- gap
- closed circuit
- heat pump
- Prior art date
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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
- F24D5/00—Hot-air central heating systems; Exhaust gas central heating systems
- F24D5/12—Hot-air central heating systems; Exhaust gas central heating systems using heat pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/13—Hot air central heating systems using heat pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Building Environments (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Central Heating Systems (AREA)
Abstract
Description
i ii i
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5 Opfindelsen angår et varmegenvindingsanlæg til bygninger i forbindelse med en varmepumpe og af den i krav l's indledning angivne art.The invention relates to a heat recovery system for buildings in connection with a heat pump and of the kind specified in the preamble of claim 1.
I betragtning af, at de hidtil traditionelt benyttede 10 energikilder bliver stadig knappere, er der i de senere år kommet opvarmningssystemer på tale« der ved hjælp af princippet for varmegenvinding udnytter varmeindholdet i fysiske stoftilstande og derved delvist skal erstatte de traditionelle energikilder.Given that the 10 traditionally used energy sources are becoming increasingly scarce, heating systems have been discussed in recent years' which, using the principle of heat recovery, exploit the heat content of physical dust states and thereby partially replace the traditional energy sources.
15 Den centrale del i disse energigenvindingsanlæg er varmepumpen, der arbejder efter en fremgangsmåde, som efter den fremherskende mening er energibesparende og venlig overfor omgivelserne. På den måde er varmegenvindingsanlæg i forbindelse med varmepumper allere-20 de kendt i mange forskellige udførelser. Ved anvendelsen af sådanne anlæg til bygninger, navnlig til udnyttelse af de varmemængder, der afgives af bygningens murværk (skaller), er man hidtil gået frem på den måde, at der blev fremstillet et murværk i to skaller 25 (sandwichbyggemåde). Desuden blev der mellem den ydre og den indre skal indbragt et indvendigt liggende varmeisoleringslag. Til energigenvinding blev der taget varme fra den ydre skal, og denne varme blev over en varmepumpe atter tilført den indre skal.15 The central part of these energy recovery plants is the heat pump, which operates according to a method which, in the prevailing sense, is energy-saving and friendly to the surroundings. In this way, heat recovery systems associated with heat pumps are already known in many different embodiments. The use of such facilities for buildings, in particular for the utilization of the amounts of heat emitted by the building's masonry (shells), has so far proceeded in the way that a masonry was made in two shells 25 (sandwich building mode). In addition, an inner layer of thermal insulation was inserted between the outer and the inner shell. For energy recovery, heat was taken from the outer shell and this heat was re-fed to the inner shell over a heat pump.
30 Ulempen ved dette energigenvindingssystem ligger i, at temperaturen i den ydre skal bliver sænket meget stærkt, og at man derfor kan konstatere en forøget varmestrøm indefra og udefter. Den nedsatte ydertemperatur har til følge, at varmepumpen arbejder 230 The disadvantage of this energy recovery system lies in the fact that the temperature in the outer shell must be lowered very strongly and that therefore an increased heat flow can be observed from inside and outside. The reduced outside temperature results in the heat pump working 2
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1 med en forholdsvis dårlig virkningsgrad. Desuden er en varmegenvinding af de irreversible tab af de varmemængder, der undviger gennem vinduer og døre, og en genvinding af ventilationstab ikke mulig.1 with a relatively poor efficiency. In addition, a heat recovery of the irreversible losses of the amounts of heat avoided through windows and doors and a recovery of ventilation losses is not possible.
55
Fra tysk offentliggørelsesskrift nr. 2.359.196 kendes et varmegenvindingsanlæg af den i krav l's indledning angivne art. Foran ydervæggen i et beboelseshus er placeret en facade, der sammen med ydervæggen danner 10 et mellemrum, i hvilket luft kan cirkulere. Dette mellemrum står i forbindelse med tilsvarende mellemrum dannet i husets gulv og i husets tag og udgør et luftkredsløb. I kredsløbet befinder der sig en varmepumpes varmeveksler. Anlægget tjener til at optage 15 transmissionsvarmetab gennem ydervæggen i luften og genvinde denne via varmepumpen. Det har dog vist sig, at et sådant system ikke er egnet til dette formål. En varmegenvinding svarende til anlæggets eget energiforbrug kan ikke opnås.From German Publication No. 2,359,196, a heat recovery plant of the kind specified in the preamble of claim 1 is known. In front of the outer wall of a dwelling house is a facade which together with the outer wall 10 forms a space in which air can circulate. This gap is connected to corresponding spaces formed in the floor of the house and in the roof of the house and forms an air circuit. In the circuit there is a heat pump heat exchanger. The plant serves to absorb 15 transmission heat losses through the outer wall of the air and recover it via the heat pump. However, it has been found that such a system is not suitable for this purpose. A heat recovery corresponding to the plant's own energy consumption cannot be achieved.
2020
Opfindelsen har derimod til formål at anvise et varmegenvindingsanlæg af den tidligere nævnte art, som arbejder efter princippet med genvinding af transmissi on s varme tab, og- som udviser en høj virkningsgrad, 25 således at en praktisk anvendelse er mulig. Denne opgave løses ifølge opfindelsen ved at udforme anlægget som nærmere angivet i krav 1' s kendetegnende del.The invention, on the other hand, aims to provide a heat recovery plant of the aforementioned kind which operates according to the principle of recovery of transmission heat loss and which exhibits a high efficiency, so that a practical application is possible. This task is solved according to the invention by designing the system as specified in the characterizing part of claim 1.
30 Opfinderen har erkendt, at det er af afgørende betydning, at mellemrummet mellem ydervæggens to skaller isoleres til begge sider. Denne foranstaltning er usædvanlig, idet der sædvanligvis ved en dobbeltskallet ydervæg kun anbringes et isolerende lag på 3The inventor has recognized that it is essential that the gap between the two shells of the outer wall be insulated on both sides. This measure is unusual in that usually only an insulating layer of 3 is applied to a double-walled outer wall.
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1 ydersiden af inder-skallen.1 outside of the inner shell.
Fra fransk patentansøgning nr. 2.438.718 er det kendt# at forsyne et murværk med et isolerende varmeisole-5 ringslag. Den heri angivne teknik skal dog ikke forstås som en henvisning til# at begge skaller ved et dobbelt-skallet murværk skal forsynes med en isolering indvendigt# idet ansøgningen end ikke antyder dette.From French Patent Application No. 2,438,718, it is known # to provide a masonry with an insulating thermal insulation layer. However, the technique disclosed herein is not to be construed as referring to # that both shells must be provided with an insulation inside a double-shell masonry # as the application does not even indicate this.
1010
Anbringelsen af varmeisoleringslagene på begge skaller af ydervæggen er dog den afgørende forudsætning for# at varmegenvindingsanlægget kan fungere som ønsket.However, the application of the heat insulation layers to both shells of the outer wall is the essential prerequisite for # that the heat recovery system can function as desired.
15 Ved at udforme anlægget ifølge opfindelsen som angivet i krav 2’s kendetegnende del, fås en væsentlig forenkling af fremstillingen af konstruktionen# fordi der som varmeisoleringslag af skummateriale anvendes præfabrikerede varmeisoleringslegemer# som omfatter 20 et indre og et ydre varmeisoleringslag og et ventilationstværsnit til luftføringen.By designing the system according to the invention as claimed in the characterizing part of claim 2, a substantial simplification of the fabrication of the construction # is obtained, because as foam insulation layers of foam material, prefabricated thermal insulation bodies # comprising an inner and an outer heat insulation layer and a ventilation cross section for the air flow are used.
Ved at udforme anlægget ifølge opfindelsen som angivet i krav 3's kendetegnende del# bliver det muligt at 25 integrere de i en beboelsesejendom nødvendige vinduer i det lukkede kredsløb, hvorved luftmellemrummet opviser et tværsnit# der svarer til tværsnittet i kredsløbets mellemrum. Mellemrummet mellem vinduerne står således i forbindelse med mellemrummet mellem 3 0 ydervægene.By designing the system according to the invention as defined in the characterizing part # of claim 3, it becomes possible to integrate the windows needed in a residential property into the closed circuit, whereby the air gap has a cross-section # corresponding to the cross-section in the space of the circuit. Thus, the space between the windows communicates with the space between the outer walls.
Det lukkede kredsløb mellem varmepumpen og mellemrummet mellem ydervæggens skaller sikrer en god virkningsgrad af varmesystemet. Derved opstår en bestemt 4The closed circuit between the heat pump and the space between the outer wall shells ensures a good efficiency of the heating system. This results in a certain 4
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1 lufttemperatur i mellemrummet. Virkningsgraden af varmegenvindingen er således høj, når udetemperaturen ligger væsentligt under lufttemperaturen i mellemrummet. Hvis udetemperaturen derimod er høj, har varme-5 genvindingsanlægget ikke længere nogen egentlig funktion. Ved at udforme anlægget ifølge opfindelsen som angivet i krav 4's kendetegnende del, kan der i dette tilfælde ledes varmere udeluft ind i det ellers lukkede kredsløb og gennem varmepumpen kan 10 luften anvendes til yderligere opvarmning eller oplagring af varmeenergi.1 air temperature in the space. Thus, the efficiency of the heat recovery is high when the outside temperature is substantially below the air temperature in the gap. On the other hand, if the outdoor temperature is high, the heat recovery plant no longer has any real function. By designing the system according to the invention as claimed in the characterizing part of claim 4, in this case, warmer outdoor air can be led into the otherwise closed circuit and through the heat pump the air can be used for further heating or storage of heat energy.
Opfindelsen forklares nærmere under henvisning til tegningen, på hvilken 15 fig. 1 sekmatisk og på grundlag af et tværsnit gennem en bygning viser princippet for og udførelsen af opfindelsen, 20 fig. 2 skematisk opbygningen af en toskallet væg og et eksempelvis forløb af temperaturtilstandene i lagene, fig. 3 sekmatisk opbygning og virkemåde for 25 et i kredsløbet integreret vindue, og· fig. 4 i isometrisk fremstilling to varmeisoleringslegemer, bygget i forvejen.The invention is further explained with reference to the drawing, in which FIG. 1 is a schematic sectional view of a building showing the principle and embodiment of the invention; 2 is a schematic representation of a bivalve wall and an exemplary course of the temperature conditions in the layers; FIG. 3 is a schematic structure and operation of a window integrated in the circuit; and FIG. 4 in isometric preparation two heat insulation bodies, built in advance.
. 30 _--------------‘. 30 _-------------- '
Ifølge fig. 1 er der på en yder skal 1 anbragt et varmeisoleringslag 1' og på en inderskal 2 et varmeisoleringslag 2', idet der mellem de to isoleringslag findes et mellem 3 (luftkanal). Dette luftmellemrum 5According to FIG. 1, a heat insulating layer 1 'is provided on an outer shell 1 and on an inner shell 2 a heat insulating layer 2', between the two insulating layers there being one between 3 (air duct). This air gap 5
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1 eller den deri værende luftbenyttes som varmebærerme-dium for en varmepumpe 4. Fra varmebæreren fjernes der på kendt måde varme ved hjælp af varmepumpen 4. Varmepumpen 4 kan herved være monteret i et opvar-5 met rum/ i en kælder, på taget eller udenfor bygningen. Den ved hjælp af varmepumpen afkølede luft føres ind i mellemrummet 3. Ved hjælp af den fra inderskal-len 2 udefter afgivne varmemængde bliver den i mellemrummet 3 værende luft opvarmet og på ny tilført til 10 varmepumpen 4. Ved hjælp af varmepumpen 4 bliver så en konventionel gulvopvarmning 5 eller en ikke vist varmluft- eller varmvandsopvarmning opvarmet med en højere temperatur. På grund af isoleringen af yderskallen sker der kun små energitab udefter 15 som følge af den lave temperaturforskel. Disse tab kan udlignes fuldstændigt ved hjælp af drivenergien for varmepumpen 4, der også omdannes til varmeenergi.1 or the air contained therein is used as a heat carrier medium for a heat pump 4. Heat is removed from the heat carrier by known means by the heat pump 4. The heat pump 4 can hereby be mounted in a heated room / in a basement, on the roof or outside the building. The air cooled by the heat pump is introduced into the gap 3. By means of the heat released from the inner shell 2 the air remaining in the gap 3 is heated and again supplied to the heat pump 4. By means of the heat pump 4 a conventional floor heating 5 or a not shown hot air or hot water heating heated at a higher temperature. Due to the insulation of the outer shell, only small energy losses occur beyond 15 due to the low temperature difference. These losses can be completely offset by the drive energy of the heat pump 4, which is also converted to heat energy.
Da der ved det foreliggende opvarmningssystem i de fleste dage af opvarmningsperioden produceres til-20 strækkelig meget overskudsvarme/ kan denne overskudsvarme på i og for sig kendt måde akkumuleres i et varmereservoir 6 til forsyning af f.eks. en brugsvandsakkumulator 7. Reseroiret 6 muliggør yderligere aftagelse af varmeenergi til tilførsel af varmemængder 25 ved i kort tid ugunstige driftsbetingelser for varmepumpen. I yderskallen 1 findes der ventilationsklapper 8/ der ved hjælp af en termostatregulering bliver åbnet/ når ydertemperaturen ligger betydeligt over temperaturen af den i mellemrummet 3 værende luft, 30 så at den afkølede luft gennem åbningerne når ud i det fri, og den varmere yderluft kan nå ind i varmepumpekredsløbet .Since in the present heating system most of the excess heat is produced during most days of the heating period, this excess heat can be accumulated in a known manner in a heat reservoir 6 for supplying e.g. a DHW accumulator 7. The reservoir 6 allows for further reduction of heat energy for supply of heat quantities 25 under short-term unfavorable operating conditions of the heat pump. In the outer shell 1, there are ventilation flaps 8 / which are opened by means of a thermostat control / when the outside temperature is considerably above the temperature of the air in the gap 3, so that the cooled air through the openings reaches the outside and the warmer outer air can reach into the heat pump circuit.
Ved den i fi.g 2 viste eksempel på en væg med toIn the example in Fig. 2, a wall with two
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e 1 skaller er yderligere antagne temperaturspring fra yderskallen 9 til inderrummet indtegnet. Ved hjælp af dette eksempel bliver det tydeligt* at de på grund af de høje temperaturers forskelle mellem yderskallen 5 og inderskallen optrædende varme strømme i forhold til forholdene ved den sædvanlige sandwichbyggemåde kan reduceres til en lille størrelse på grund af den i luftmellemrummet 10 værende og på varmepumpen indstillelige varmebærertemperatur.e 1 shells, further assumed temperature jumps from the outer shell 9 to the inner compartment are plotted. By means of this example, it becomes apparent that due to the differences in the high temperatures between the outer shell 5 and the inner shell, the warm currents in relation to the usual sandwich construction conditions can be reduced to a small size because of the air gap 10 and the heat pump adjustable heat carrier temperature.
10 I fig. 3 er princippet for varmestrømmen inden i et i varmekredsløbet integreret vindue vist. Vinduet består af to komplette isoleringsglasvinduer 11 og 12* der er formet til en rektangel* lukket på siderne 15 og åbne foroven og forneden for luftgennemstrømning.10 In FIG. 3, the principle of heat flow within a window integrated in the heating circuit is shown. The window consists of two complete insulating glass windows 11 and 12 * formed into a rectangle * closed on the sides 15 and open at the top and bottom for air flow.
Denne konstruktion af vinduet har den fordel* at den indefra og udefter strømmende varmluft bliver suget ind i luftmellemrummet 13 og derved yderligere opvarmer den i varmepumpekredsløbet værende luft.This construction of the window has the advantage * that the inside and outwardly flowing hot air is sucked into the air gap 13, thereby further heating the air present in the heat pump circuit.
20 I fig. 4 er der vist konstruktioner til brug ved udøvelse af opfindelsen. Det drejer sig herved om et af skumstof bestående, varmeisoleringslegeme 14, der er forsynet med et indre og et ydre varmeisole-25 ringslag 14' og 14" og i midten har et til luftgennemstrømning nødvendigt mellemrum (ventilationstværsnit).In FIG. 4, constructions for use in the practice of the invention are shown. It is a foam insulating body 14 which is provided with an inner and an outer heat insulating layer 14 'and 14 "and in the middle has a space necessary for air flow (ventilation cross section).
Et mellemstykke 15 tjener til afstivning af varmeisolerings legemet* der har forholdsvis stort format.An intermediate piece 15 serves to stiffen the heat insulating body * having a relatively large size.
Disse modulære byggeelementer kan på enkel måde sættes 30 ovenpå hinanden mellem skallerne under bygningens opførelse. Til en retvinklet luftføring er der udviklet et ligeledes modulært hjørneelement 16* der muliggør en overgang fra vandret til lodret luftføring eller omvendt. Disse varmeisoleringslegemer kan ikkeThese modular building elements can easily be placed 30 on top of one another between the shells during the construction of the building. For a right-angled air guide, a likewise modular corner element 16 * has been developed which allows a transition from horizontal to vertical air guide or vice versa. These heat insulating bodies cannot
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7 1 blot anbringes mellem skallerne, men også under gulvet og under taget. Dermed er en upåklagelig luftføring inden i varmepumpekredsløbet sikret.7 1 is placed just between the shells, but also under the floor and under the roof. Thus, impeccable air flow within the heat pump circuit is ensured.
5 Anlægget ifølge opfindelsen er særlig fordelagtig ved sanering af ældre byugninger. Hvis der på en defineret afstand fra den ældre bygning monteres varmeisoleringslegemer ifølge den foreliggende opfindelse, kan systemet ifølge opfindelsen anvendes i 10 forbindelse med en luft-luft eller en luft-vand-varme-pumpe.The system according to the invention is particularly advantageous for the remediation of older urban ducts. If, at a defined distance from the older building, thermal insulation bodies according to the present invention are mounted, the system according to the invention can be used in connection with an air-air or an air-water-heat pump.
15 20 25 3015 20 25 30
Claims (5)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3008630 | 1980-03-04 | ||
| DE3008630A DE3008630C2 (en) | 1980-03-04 | 1980-03-04 | Heat recovery system for buildings |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK80681A DK80681A (en) | 1981-09-05 |
| DK155235B true DK155235B (en) | 1989-03-06 |
| DK155235C DK155235C (en) | 1989-07-10 |
Family
ID=6096471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK080681A DK155235C (en) | 1980-03-04 | 1981-02-24 | HEAT RECOVERY FOR BUILDINGS IN CONNECTION WITH A HEAT PUMP |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0035721B1 (en) |
| AT (1) | ATE13588T1 (en) |
| DE (1) | DE3008630C2 (en) |
| DK (1) | DK155235C (en) |
| NO (1) | NO810714L (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3035538C2 (en) * | 1980-09-20 | 1982-08-26 | Bernhard 7730 Villingen-Schwenningen Seemann | Process and arrangement for heating buildings from ambient heat |
| DE3219450A1 (en) * | 1982-05-24 | 1984-01-12 | Johann B. 6530 Bingen Pfeifer | Built-in heat pump component for building openings, particularly windows and doors, including of vehicles or the like |
| FR2531120A1 (en) * | 1982-07-27 | 1984-02-03 | Comoy Daniel | Insulating panel eliminating any loss of heat. |
| EP0150888A3 (en) * | 1984-02-02 | 1987-04-15 | Robert F. Dumbeck, Sr. | Computer controlled air consitioning systems |
| DE202015002423U1 (en) * | 2015-03-31 | 2016-07-01 | Müller Projekt GmbH | Building interior conditioning system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2359196A1 (en) * | 1973-11-28 | 1975-06-05 | Heinrich Dipl Ing Ullrich | Building heating or cooling plant - has cavity completely surrounding building and connected in circuit with heat pump |
| FR2438718A1 (en) * | 1978-10-12 | 1980-05-09 | Papillon Alain | Hollow plastics cladding for building wall exterior - contains gas which distributes heat absorbed from internal or external sources |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7300836U (en) * | 1972-01-25 | 1974-03-07 | Gebrueder Sulzer Ag | Openable finished window with a ventilation device |
| DE2600777A1 (en) * | 1976-01-10 | 1977-07-14 | Kabe Werk Gmbh | Double skinned concrete wall element - with inner shell fastened to lattice girder ribs cast into outer wall |
| DE2602479B2 (en) * | 1976-01-23 | 1978-03-02 | Erich 5885 Schalksmuehle Klawitter | Heat recovery system for buildings heated by a heat pump |
| DE2605117A1 (en) * | 1976-02-10 | 1977-08-11 | Hans Weiss | Heat pump for space heating - uses high thermal capacity building walls to prevent icing of heat exchangers |
| FR2400162A1 (en) * | 1977-08-11 | 1979-03-09 | Centre Scient Tech Batiment | Air cooling and temp. stabilising equipment - has air conduit containing holder for material capable of changing between states |
| FR2414694A2 (en) * | 1978-01-16 | 1979-08-10 | Parica | Lost heat recovery system for building - has heating circuit embedded in walls near inside surfaces and recovery network near outside surfaces |
| FR2420724A1 (en) * | 1978-03-22 | 1979-10-19 | Lantelme Jean Paul | Ventilating system for occupied buildings - with air discharged through cavities of walls by extractor fan mounted in roof cavity |
| DE2915494C2 (en) * | 1979-04-17 | 1983-11-17 | Hans 8501 Burgthann Denzler | Device for heat recovery for a heating system operated with a heat pump |
| DE2915793C2 (en) * | 1979-04-19 | 1982-03-18 | Hans 8501 Burgthann Denzler | Device for heat recovery from the transmitted heat in buildings heated by heat pumps |
-
1980
- 1980-03-04 DE DE3008630A patent/DE3008630C2/en not_active Expired
-
1981
- 1981-02-24 DK DK080681A patent/DK155235C/en not_active IP Right Cessation
- 1981-02-28 EP EP81101458A patent/EP0035721B1/en not_active Expired
- 1981-02-28 AT AT81101458T patent/ATE13588T1/en not_active IP Right Cessation
- 1981-03-03 NO NO810714A patent/NO810714L/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2359196A1 (en) * | 1973-11-28 | 1975-06-05 | Heinrich Dipl Ing Ullrich | Building heating or cooling plant - has cavity completely surrounding building and connected in circuit with heat pump |
| FR2438718A1 (en) * | 1978-10-12 | 1980-05-09 | Papillon Alain | Hollow plastics cladding for building wall exterior - contains gas which distributes heat absorbed from internal or external sources |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0035721B1 (en) | 1985-05-29 |
| NO810714L (en) | 1981-09-07 |
| EP0035721A1 (en) | 1981-09-16 |
| ATE13588T1 (en) | 1985-06-15 |
| DK80681A (en) | 1981-09-05 |
| DE3008630C2 (en) | 1987-05-27 |
| DE3008630A1 (en) | 1981-09-10 |
| DK155235C (en) | 1989-07-10 |
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