baber/WOPTO huggingface dataset:
Patent HU-189960-B (HU)
Title: Device for aerating putrefied material
Inventor: KLINAR GOTTFRIED
IPC: A01C3/00
Filed: 1985-01-03
Abstract: Für die Belüftung von Rottegut wird vorgeschlagen, an die Abscheidekammern (10) mit Druckmedium beaufschlagte Injektordüsen (13) mit ihrer Saugseite anzuschließen. Derartige Injektordüsen (13) können in einfacher Weise angesteuert werden und saugen die für die Belüftung erforderliche Luft durch das Rottegut. Es können mehrere solcher Injektordüsen parallel zueinander angeordnet werden und jeweils gesonderten Rottezellen (9) zugeordnet sein. Die Belüftung kann dem jeweiligen Rottezustand in verschiedenen Rottezellen angepaßt werden.
Patent AT-408111-B (AT)
Title: Arrangement for radiating an alternating electromagnetic field
IPC: E04B1/70
Filed: 1998-03-12
Granted: 2001-09-25
Abstract: The invention relates to an arrangement for radiating an alternating electromagnetic field for drying out masonrywork and/or keeping the latter dry, the alternating field, which is produced by a vibration generator 6, being radiated by an antenna 10 and the profile of the voltage U across the antenna 10 corresponding essentially to a rectangular wave 13. The invention provides that the frequency of the alternating field is in the range of from 6 to 15 Hz, that the negative amplitude N of the rectangular wave is greater than the positive amplitude P, that the maximum electric field strength produced by the antenna 10, measured at a distance of 2 cm from the antenna 10, is in a range from 100 to 1000 V/m, and that the maximum magnetic flux density produced by the antenna 10, measured at a distance of 2 cm from the antenna 10, is in a range from 1 to 15 μT. <IMAGE>
Patent AT-406906-B (AT)
Title: Arrangement for feeding or draining gases for shaft systems or reactors
Inventor: PAMMER OSKAR ING
IPC: C22B1/214
Filed: 1998-06-03
Granted: 2000-10-25
Abstract: Arrangement for feeding and/or draining gases for a reactor 1 with a filling of lumpy material. The reactor 1 is designed as an essentially upright hollow body having a charging device, by means of which bulky material is delivered to the reactor 1, and a discharge device by means of which material is discharged from the reactor 1. The reactor 1 is designed in such a way that the material sinks down in the reactor 1 on account of the force of gravity. Furthermore, the reactor 1 has at least one gas- feed line 5, by means of which gas is introduced into the reactor 1, and at least one gas-drain line, by means of which gas is drained from the reactor 1. By means of the arrangement according to the invention, gas can be fed to or drained from the reactor in a uniformly distributed manner over the reactor cross section. <IMAGE>
Patent HU-201395-B (HU)
Inventor: DOLINA TIVADAR
IPC: F17C13/04
Filed: 1987-01-22
Abstract: A találmány tárgya háromutas kombinált szelep elsődlegesen gázpalackok töstésére és ürítésére amelynek szelepteste (I), beömlőcsatomával (8) rendelkező csatlakozócsonkja (2), kiömlőcsatomával (6) rendelkező kiömlőcsonkja (3) van. Jellemzője, hogy a szeleptestben (1) töltő-szeleptestrész (1’) és ürítő-szeleptestrész (1”) van kialakítva, töltő- szeleptestrészben (Γ) kialakított töltőnyílása (4) van, a kiömlőcsatoma (6) az ürítő-szeleptestrészben (1”) van kialakítva, és az ürítő-szeleptestrészben (1”) kialakított kiömlőcsatomát (6) nyitó/záró ürítőszelepe (7) és a töltő- szeleptestrészben (Γ) kialakított töltőnyílást (4) nyitó/záró töltőszelepe (5) van. (1. ábra) A leírás terjedelme: 16 oldal, 6 ábra  -1-
Patent HU-197752-B (HU)
Title: Process for producing 3-phenyl-7h-thiazolo/3,2-b//1,2,4/triazin-7-ones and pharmaceutical compositions comprising such active ingredient
Inventor: THORWART WERNER
IPC: C07D513/04
Filed: 1988-01-28
Abstract: Novel substituted 3-phenyl-7H-thiazolo[3,2-b][1,2,4]-triazin-7-ones of the formula I are disclosed   <IMAGE> (I)  in which R1, R2 and R3 have the meaning recited in the specification. The compounds are suitable for prevention and treatment of inflammatory disorders.
Patent HU-188785-B (HU)
Inventor: TOTH PAL
IPC: G01C5/02
Filed: 1982-03-17
Abstract: Die Erfindung bezieht sich auf ein Nivellierinstrument mit mehrfach abgelenkten Strahlengang zur automatischen Einstellung der horizontalen Ebene, das mit einem Fernrohr ausgestattet ist. Durch die Erfindung wird ein konstruktiv verbesserter einfacherer Aufbau vorgeschlagen, der sich kostenguenstig fertigen laesst und sowohl fuer Instrumente mit niedriger Genauigkeitsklasse als auch fuer Praezisionsinstrumente vorteilhaft einsetzbar ist. Das Wesen der Erfindung besteht darin, dass in der Umgebung der Bildebene des optischen Systems oder diese tangierend ein das Seitenbild umkehrendes Prisma 6 mit einer rhombischen Dachkante, mit dem Okular und dem Fadenkreuz in Richtung der optischen Achse verschiebbar und verdrehbar an der Gehaeusehaelfte 1 befestigt ist. Fig. 1
Patent HU-212478-B (HU)
Title: Process for producing catalyst usable for ethylene (co)polymerization and copolymerization process
Inventor: BORGHI ITALO
IPC: C08F4/60
Filed: 1991-03-14
Abstract: A supported Ziegler-Natta catalyst active in ethylene polymerization and in the copolymerization of ethylene with alpha-olefins consists of:   (A) a cocatalyst in the form of an organometallic compound of aluminium, and   (B) a solid catalyst component obtained by:     (i) impregnating a granular solid support with a solution of a titanium alcoholate and magnesium chloride in a liquid aliphatic hydrocarbon, followed by evaporation of the hydrocarbon solvent; (ii) impregnating the support treated in (i) with a solution of magnesium chloride in a liquid aliphatic ester, followed by evaporation of the ester solvent; and (iii) activating the support treated in (ii) by contact with an alkyl aluminium halide.   In a preferred embodiment, measured quantities of a silicon halide are introduced in stage (i) and/or (ii), this considerably improving catalytic activity. In a particular embodiment, zirconium or hafnium are introduced into the solid catalyst component (B) in addition to titanium, to obtain catalysts able to produce polyethylenes with a widened molecular weight distribution.
Patent HU-183866-B (HU)
Inventor: BAKA ISTVAN
IPC: G01L25/00
Filed: 1982-03-25
Abstract: Találmányunk tárgya eljárás elektromechanikus érzékelők, főként erőmérőcellák és mérlegcellák hőmérsékleti kompenzációjára. Az érzékelők a mérendő mennyiség megfigyelésén kívül általában káros tulajdonságként hőmérséklet függéssel ís rendelkeznek. Az általunk kidolgozott módszerrel a mérőcellák felfűtési és lehűtési ideje, valamint a hőegyensúly beállása nem veszi igénybe a terhelőgép kapacitását. A feladatot úgy valósítjuk meg, hogy több érzékelőt egyenként klímadobozokba helyezünk, ezeket egy-egy termosztát
szekrénybe  tesszük, a termosztátszekrényeket külön-külön megfelelő hőmérsékletre hevítjük, ill. hűtjük az érzékelők kompenzációjához szükségesen és amint egy beállított hőmérsékletet a termosztátszekrénnyel elértünk és azt a klímadobozok is átvették, az adott hőmérsékleten megmérjük, majd valamennyinek megmérése után egy termosztátszekrénybe tesszük, azt a hőkompenzációhoz szükséges következő hőmérsékletre állítjuk be és ílymó- don valamennyi szükséges hőmérsékleten a megfelelő darabszámú érzékelőt megméijük, majd a mérési adatok alapján a hőkompenzációt elvégezzük.
Patent LT-3054-B (LT)
Title: 3- and 5-substituted 1,2,3,4-oxatriazole-5-imine compounds, a process for the preparation thereof, a pharmaceutical preparation containing said compounds and the use of said compounds for the preparation of medicaments
Inventor: KARUP GUNNAR LEO
IPC: C07D273/00
Filed: 1993-07-23
Abstract: 3- and 5-substituted 1,2,3,4-oxatriazole-5-imine compounds of general formula (I) wherein R<1> is the same or different groups and represents alkyl or alkoxy groups having 1 to 3 carbon atoms, halogen, trifluoromethyl, nitro, cyano, phenyl or alkylsulphonyl groups, n is 1 to 3, X is -SO2 or -C(O)NH-, Y is -(CHR<2>)m-, wherein m = 1 to 4, and R<2> means -CH2-aryl, alkyl, hydrogen or a direct bond, and Q means 10-camphoryl, --C(O)O-alkyl, aryl, -SO2-alkyl or -SO2-aryl, are prepared by ring closing a 1-arylthiosemicarbazide derivative of general formula (II) wherein R<1> and n have the same meaning as in formula (I), by treatment with alkyl nitrite having 1 to 6 carbon atoms or alkali metal nitrite under acidic conditions at 0 to 10  DEG C, whereafter the resulting salts is converted into the corresponding free compound, which is subsequently reacted with a compound of the type C1SO2-Y-Q or O=C=N-Y-Q, wherein Y and Q have the same meaning as in formula (I).
Patent YU-45816-B (YU)
Title: Uređaj za valjanje ploča od nerđajućeg čelika
Inventor: HERWIG HABOCK
IPC: E04B1/64
Filed: 1987-02-02
Abstract: UREĐAJ ZA VALJANJE PLOČA OD NERĐAJUĆEG ČELIKA, namenjenih za isušivanje vlažne zidne konstrukcije, koje se ploče zabijaju u zidnu konstrukciju, a izvedene su talasasto radi povećanja njihove krutosti, pri čemu talasi 2 svojom podužnom osom teku u smeru zabijanja, sa dva valjka 7, 8 za deformaciju koji u poprečnom preseku imaju profil u vidu zupčanika, koji valjci 7, 8 za deformaciju čine rebra 9,10 za deformaciju postavljena u smeru ose valjaka 7,8 za deformaciju, a koja rebra 9,10 zupčasto zahvataju jedno u drugo, pri čemu je osno rastojanje oba valjka 7,8 za deformaciju veće od zbira poluprečnika kinematskih krugova 11, 12 zupčastih valjaka 7, 8 naznačen time, što su rebra (9,10) za deformaciju, zalaženjem jedno u drugo, na njihovim bokovima (13,14) izvedena u vidu evolventnog profila, na koji se nastavlja profil temenog kruga (15) i podnožnog kruga (16), što je ugao (18) dodornice rebara (9,10) za deformaciju u predelu kinematskog kruga (11,12) najmanje 30 i što je visina (17) zupca rebara (9,10) za deformaciju najmanje 15% poluprečnika kinematskog kruga (11,12). Prijava sadrži još 11 patentnih zahteva.
Patent YU-47466-B (YU)
Title: Modularni prekidač sa pomoćnim isključivačkim blokom koji je povezan sa višepolnim prekidačkim blokom
Inventor: BELIN Y
IPC: H01H71/24
Filed: 1988-05-10
Abstract: MODULARNI PREKIDAČ SA POMOĆNIM ISKLJUČIVAČKIM BLOKOM KOJI JE POVEZAN SA VIŠEPOLNIM PREKIDAČKIM BLOKOM, deferencijalnog ili emisionog tipa, pri čemu prekidački blok (10) ima više polova u nizu (14, 16), a svaki pol sadrži rastavne kontakte (18, 20) i mehanizam (22) za pokretanje kontakata (18, 20), upravljan bilo ručno pomoću upravljačke ručice (24) sa dva stabilna položaja otvorenog i zatvorenog prekidača, bilo automatski pomoću glavnog isključivača koji je povezan sa šipkom za isključenje (26) u slučaju preopterećenja ili kratkog spoja, pri čemu pomoćni isključivački blok (12) sadrži elektromagnetni relej (45) združen sa komandnim mehanizmom (46) koji sadrži ručicu (54) za ostvarivanje mehaničke veze za ponovno aktiviranje isključivačkog bloka (12), i mehaničku vezu (48) za isključenje koje je u stanju da prenese nalog za isključenje od releja (45) na šipku za isključenje ubacivanjem izbočine (52) mehanizma (46) u otvor (42) koji se nalazi u izolacionom kućištu (40) susednog pola (16), naznačen time, što kontrolno sredstvo obuhvata rampu brega (64) za pokretanje šipke za isključenje (26), što je izbočina (52) postavljena na mehaničku vezu (48) za isključenje od mehanizma (46) i spojena sa rampom brega (64) prouzrokuje prinud-no isključenje prekidačkog bloka (10), i što prethodno odredjeni zazor (J) postoji izmedju ručica (24, 54) pri dodirivanju izbočine (52) i rampe brega (64), tako da prinudno isključen je prekidačkog bloka (10) nastane pre sprezanja ručica (24, 54). Prijava sadrži još 1 nezavisan i 6 zavisnih zahteva.
Patent AT-407875-B (AT)
Title: Coating system for adhering polyolefin films comprises graft polymer containing ethylene and acrylic acid and/or acrylate grafted with (meth)acrylate, maleic anhydride and/or fumaric acid
IPC: B32B27/00
Filed: 1996-10-02
Granted: 2001-07-25
Abstract: Coating system comprises a graft polymer containing ethylene and acrylic acid and/or acrylate grafted with (meth)acrylate, maleic anhydride and/or fumaric acid, the degree of grafting being 0.01-0.3. Coating system comprises a graft polymer of formula (I) containing ethylene (E) and acrylic acid (AA) and/or acrylate (Ac) grafted with (meth)acrylate, maleic anhydride and/or fumaric acid, the degree of grafting being 0.01-0.3: -[(CH2-C(X)H)e1(C2(Y)H3)e2-(CH2C(COZ)H)s1(C2(Y)(COOZ)H2)s2-(CH2C(COOZR)H)a1(C2(Y)(COOR)H2)a2]m- Y : -[(CH2C(R1)(COOR2))x-(C(COOZ)H-C(COOZ)H)y]n-; X : H or CH3; m : 300-10,000; n : 1-1000; y:x : 5:1-1:5; R and R21-8C alkyl, preferably (m)ethyl or n- or i-propyl; R1 = CH3 or preferably H; Z : H+> or metal ion, preferably Na+>, K+>, NH4+> or Zn 2>+>; a : 0.05-0.5; s : 0.1-0.3; and e : 0.2-0.85.
Patent AT-398972-B (AT)
Title: Process for the preparation of 1- ((diazinylpiperidinyl)methyl)-2-pyrrolidinones
IPC: C07D401/14
Filed: 1990-10-24
Granted: 1995-02-27
Abstract: The diazinylpiperidine derivatives of N-methylene-2- pyrrolidinone, which increase cerebral functions and correspond to the general formula I in which Z is an R1, R2-disubstituted diazine which is bonded via one of its carbon atoms and is from the group of pyrimidine, pyridazine and pyrazine, are prepared in a known manner by reacting 2-pyrrolidinone with a halomethylpyridine, reducing the pyridine ring and reacting with an appropriate diazine reagent. The improvement in the process consists of adding a mixture of 2-pyrrolidinone and halomethylpyridine to a suspension of sodium hydride in N,N-dimethylformamide at a temperature of from 0 degree C to 20 degree C to form the intermediate of the formula III, extracting this intermediate of the formula III with hot isopropyl ether, and catalytically hydrogenating an aqueous solution of a hydrohalide salt of the intermediate of the formula III. The process becomes suitable for use on a large scale through these measures. <IMAGE>
Patent DK-161192-B (DK)
Inventor: KREMER MANFRED
IPC: B60L50/11
Filed: 1983-02-28
Abstract: Internal combustion engine-electric drive unit for a motor vehicle is provided with a setting means for the travel speed and a signal transmitter for the actual r.p.m. of the output shaft and with a nominal-value integrator, where the running time of the nominal-value integrator is shortened in the case of a desired braking or the like in order to prevent undesirable travel movements due to a divergence of the output of the nominal-value integrator from the actual travel speed after a desired braking.
Patent DK-155204-B (DK)
Inventor: KEREKES ANDRAS
IPC: A62D1/00
Filed: 1982-03-11
Abstract: 1. Anti-catalytic additives, optionally with a content of 1 or more adsorbent(s) and/or any inert material(s) for increasing the efficacy of fire retarding and fire extinguishing powders of the basis of 1 or more salt(s) and/or their mixed crystals with urea, characterized in that they contain a) 1 or more inclusion complex(ex) of 1 or more mineral acid(s) with 1 or more cyclodextrine(s) and/or b) 1 or more inclusion complex(es) of 1 or more organic halide(s) with 1 or more cyclodextrine(s) and/or c) 1 or more inclusion complex(es) of 1 or more organic acid(s) with 1 or more cyclodextrine(s) and/or d) 1 or more inner salt(s) of 1 or more amino acid(s) with 1 or more mineral acid(s) with an average particle size below 10 mu m.
Patent DK-164337-B (DK)
Inventor: MOSIMANN PETER
IPC: G08B17/02
Filed: 1987-03-05
Abstract: 1. Fire alarm installation, particularly for a road tunnel, comprising a light source (5; 50), an optical fibre (2; 20), means for producing microcurves (1, 4; 21, 22, 23) of the fibre dependent upon the temperature on the fibre, and a detector (6; 60) intended to measure the light diffused back by the fibre, characterized in that the means for producing microcurves dependent upon the temperature comprise tubes (1) closed at their ends for temperature-pressure transduction, in that each tube is connected to a jaw (4) provided with teeth, and in that the optical fibre (2) passes between the teeth of the jaws (4).
Patent FI-77025-B (FI)
Inventor: DINKEL ROLF
IPC: C07D213/12
Filed: 1982-02-17
Granted: 1988-09-30
Abstract: Process for the production of 3-picoline. A first educt consisting of acetaldehyde and/or acetaldehydeacetals and/or crotonaldehyde is reacted with a second educt consisting of formaldehyde and/or formaldehydeacetals and/or hexamethylenetetramine. The reaction is conducted in a liquid, aqueous phase at a temperature of 180 DEG  to 280 DEG  C. in a closed vessel in the presence of an amide of a carboxylic acid.
Patent FI-87751-B (FI)
Inventor: LOGAN DAVID J
IPC: G09G1/00
Filed: 1984-04-03
Granted: 1992-11-13
Abstract: In a computer implemented system for composing lines of text the spacing between each adjacent pair of characters is uniquely determined by processing, in accordance with a pregiven program, a number of digital "space" values related to the shapes of the facing sides of the involved characters. Starting with a uniform or near-uniform fundamental spacing between all adjacent pairs of characters the processing of the space values of a given pair of adjacent characters results in possible adjustments in this fundamental value to achieve a more aesthetically pleasing line of text. For each pair of adjacent characters the processing is a two-stage one with the first stage making an adjustment in the fundamental spacing if it is possible to overlap portions of the two characters and with the second stage making an adjustment which, aside from the possibility of overlapping, is dependent on the degree of openness or empty space present between the characters when fundamental spacing is used.
Patent FI-76837-B (FI)
Inventor: STAAB RUDOLF
IPC: C25B1/46
Filed: 1985-07-11
Granted: 1988-08-31
Abstract: A gas-diffusion cathode is to be used in the trough-like electrolysis cell with horizontally disposed electrodes which are separated from each other by a membrane. The gas-diffusion cathode (3) rests on a grating (4) with supporting legs (2). A spacer (8) is disposed between membrane (6) and gas-diffusion cathode (3).
Patent FI-88141-B (FI)
Inventor: BOOTS GERARDUS ANTHONIUS MARIA
IPC: B65D5/56
Filed: 1987-05-25
Granted: 1992-12-31
Abstract: A container for free-flowing materials, powders, pellets and the like, comprising a tubular outer envelope (2) that can be closed at both ends and a tubular inner member (3) having a circumference less than that of the outer envelope. The tubular inner member is connected to the outer envelope at at least four positions spaced circumferentially of the outer envelope and in the longitudinal direction of the tubular shapes, and has a length that is 30-l00% of the selected height of the container.
Patent FI-93577-B (FI)
Inventor: SANTALUCIA ANDR ROBERT GINO
IPC: F42B12/36
Filed: 1988-06-15
Granted: 1995-01-13
Abstract: The present invention relates to a container-disperser for chaff constituted by metal strips or by metallized strips, the container-disperser comprising two end plates (130, 140) which are generally parallel and interconnected by spacers (150, 155) suitable for trapping strips of chaff so as to temporarily retain at least a portion of the chaff when the container is ejected from a case, thereby dispersing the chaff in stages.
Patent FI-92083-B (FI)
Inventor: STANGE ANDREAS
IPC: D21H21/18
Filed: 1988-07-25
Granted: 1994-06-15
Abstract: In the process, an agent which confers dry strength and can be obtained by mixing enzymatically degraded starch having a viscosity of 20 to 2,000 m Pa.s (determined on a 7.5% strength solution in water at 45 DEG C) with cationic polymers which contain, in copolymerised form,
 a) diallyldimethylammonium chloride
 b) N-vinylamine or
 c) optionally substituted N-vinylimidazolines as characteristic monomers, the K-value of the cationic polymers being at least 30, is added to the paper stock and the stock is dewartered, during sheet formation.
Patent FI-92724-B (FI)
Inventor: REED ROBERT
IPC: D21C9/18
Filed: 1989-03-28
Granted: 1994-09-15
Abstract: Dry market pulp is made by shearing a cellulosic suspension and draining it through a screen to form a pulp sheet which is then dried, and the productivity of the process is increased by adding a water soluble cationic polymer before the shearing and bentonite or other suitable inorganic material after the shearing.
Patent FI-81879-B (FI)
Inventor: KARHU NIILO
IPC: E05D15/58
Filed: 1989-04-07
Granted: 1990-08-31
Abstract: PCT No. PCT/FI90/00083 Sec. 371 Date Dec. 4, 1991 Sec. 102(e) Date Dec. 4, 1991 PCT Filed Mar. 28, 1990 PCT Pub. No. WO90/12183 PCT Pub. Date Oct. 18, 1990.A pivotable glazing structure for covering an opening comprising sheets forming sections. Each sheet having a bottom edge and a top edge and each sheet is supported by its tip or bottom edge to a first bearing rail mounted on a structure and an opposite edge is supported at one supporting point to a second bearing rail mounted on a structure. The sheets can be individually moved to an edge of the opening covered by the sheets on sheet supporting points and pivoted through 90 degrees on first sheet hinge pines which are positioned at supporting points in alignment with each other so as to expose an outwardfacing surface of the sheet. A second hinge pin of the sheet is provided with a latch for locking the second hinge pin in position as the sheet is being pivoted on hinge pins. The latch comprises a jutting member made of a flexible material and the jutting member is adapted to engage with a toothed portion attached to or formed integrally with the bearing rail.
Patent FI-96723-B (FI)
Inventor: CARRIERE DOMINIQUE
IPC: G01N33/569
Filed: 1990-03-23
Granted: 1996-04-30
Abstract: The invention relates to a kit for determination of the endogenous cell enzymes characteristic of a cell population or subpopulation, comprising, as components: a) a solid support to which one or more monoclonal antibodies directed towards surface antigens of the cell population to be determined are bound by covalent bonding or by physical adsorption; b) one or more solutions supplying the necessary reagents (substrate and chromogen) for visualising the activity of the endogenous enzyme to be determined. The invention also relates to a method for enzymatic determination of the endogenous enzymes of a cell population or subpopulation. The kit for determination and the enzymatic method according to the invention may be used for the determination of myeloperoxidase in the granulocytes in the blood or urine.
Patent FI-97447-B (FI)
Inventor: BRANTBY ROLF
IPC: A61M16/04
Filed: 1991-03-13
Granted: 1996-09-13
Abstract: The present invention relates to a nozzle which is adapted to be taken in the mouth and which is connectable to a respirator (12) and adapted to permit passage of air between the respirator and the lungs of a patient, whereby the nozzle includes a base member (2) which is adapted to be disposed in the mouth between the teeth (4) and whereby the nozzle further includes a shield (5) which is adapted to sealingly engage the lips and surrounding face portions from the outside. For preventing the shield (5) from loosing its sealingly engagement from the outside with the lips and surrounding face portions while asleep, the base member (2) is individually adapted to the patient's teeth (4) by having tooth impressions (8) adapted to the teeth such that the base member (2) retains said teeth (4) in said impressions (8) when the patient is asleep.
Patent FI-95505-B (FI)
Inventor: LESKINEN SEPPO
IPC: F24D5/12
Filed: 1992-12-08
Granted: 1995-10-31
Abstract: The invention concerns a method and arrangement for air-conditioning and heating room space, air being sucked from room space (1) and conducted through heating and cooling radiators (6, 7) to an intake air blower (8), by which the air is blown back into the room space (1). To eliminate the uneconomic load peaks of the district heating network, at least part of the air sucked from the room (1) is first conducted, in series, through an air outlet radiator (12') and an air inlet radiator (12'') of the heat recovery means and then to the heating and cooling radiators (6, 7).