baber/WOPTO huggingface dataset:
Patent FR-3116891-B3 (FR)
Title: Module réfrigéré et/ou ventilé, fixe ou mobile et intégré aux mobiliers de salles de bains
Inventor: STOJANOVIC REINE
IPC: F25D1/00
Filed: 2020-11-30
Granted: 2022-11-18
Abstract: La présente invention concerne un équipement correspondant à un module réfrigéré et/ou ventilé, fixe ou mobile et intégré aux mobiliers de salles de bains.  Equipement fixe ou mobile réfrigéré et/ou ventilé (1) caractérisé par une structure (2) qui forme le module prêt à l'emploi ou à monter dont les parois isothermes intègrent une ou plusieurs unités thermoélectriques (3) favorisant une ventilation et une température régulée pour la préservation des produits cosmétiques ou dermocosmétiques (2a).  Fig.1 pour abrégé
Patent FR-3120995-B3 (FR)
Title: Système de supportage de chemins de câbles
Inventor: LOYER THIERRY
IPC: H02G3/02
Filed: 2021-03-16
Granted: 2023-08-18
Abstract: Système de supportage de chemins de câbles, comprenant une console et un support tel qu’un pendard, un tube de section carrée ou un support en oméga, la console comprenant un bras (2) pourvu d’une face (5) support et deux faces latérales (6, 7), la largeur de la face support et la hauteur des faces latérales étant décroissantes à partir d’une extrémité du bras jusqu’à l’extrémité libre du bras, le bras comprenant en outre, sur chacune de ses deux faces latérales, un retour (12, 15) s’étendant longitudinalement, les deux retours étant coplanaires et étant dirigés l’un vers l’autre, le bras étant solidaire, à sa première extrémité, d’un talon (4) de fixation au support, le talon comprenant une partie centrale (21) sur laquelle est fixée le bras, et deux ailes (22, 23).   Figure 1
Patent FR-3127754-B3 (FR)
Title: Procede de synthese d’une poudre de diborure de titane
Inventor: AVHAD MANGESH RAMESH
IPC: C04B35/58
Filed: 2021-10-04
Granted: 2023-11-24
Abstract: L'invention se rapporte à un procédé de synthèse d’une poudre de TiB2 comprenant la réduction d’oxyde de titane par du carbone en présence d’une source de bore, ledit procédé consistant à chauffer un mélange d’une source de carbone, une poudre de carbure de bore dont le diamètre médian de particules est compris entre 5 et 100 micromètres et une poudre d’oxyde de titane dont le diamètre médian de particules est compris entre 5 et 80 micromètres, la synthèse étant effectuée dans une enceinte sous atmosphère inerte selon un débit de balayage de gaz compris entre 0,5 et 10 L/min/m3 d’enceinte à une température comprise entre 1500°C et 2000°C, ainsi qu’à la poudre de TiB2 obtenue par un tel procédé.
Patent DE-10253575-B3 (DE)
Title: Bicycle saddle position adjustment device using setting element of continuously variable length with threaded sleeve having right-handed and left-handed threads
Inventor: SCHRANZ PHILIPP
IPC: B62K19/36
Filed: 2002-11-15
Granted: 2004-05-13
Abstract: The device allows the seating position of the bicycle saddle (15) to be adjusted via a setting element (21) of continuously variable length, pivoted to the bicycle frame (3) at one end and to a support strut (16) for the saddle at the opposite end, a force triangle (K) provided by a second angled support strut (17), the setting element and the part of the frame between the pivot linkages for the second angled support strut and the setting element. The setting element has a threaded sleeve with a right-handed thread and a left-handed thread, a threaded disc screwed to each end of the threaded sleeve, acting as an adjustment stop.
Patent DE-10323557-B3 (DE)
Title: Automobile rear windscreen antenna has antenna structure concealed by printed pattern applied to peripheral edge of windscreen
Inventor: HEUSER JUERGEN
IPC: H01Q1/12
Filed: 2003-05-26
Granted: 2004-07-08
Abstract: The rear windscreen antenna (1) has an antenna structure (2) and an antenna lead (3) applied to the surface of the windscreen panel at the peripheral edge of the latter, which is provided with an outer black edge zone (9) and an inner graduated edge zone (10), with clear openings (11) of increasing size, using a non-conductive printing material. The antenna structure lies within the inner graduated edge zone and is arranged to fit in the opaque intermediate areas (13) between the clear openings.
Patent DE-10347366-B3 (DE)
Title: Kraftfahrzeug
Inventor: BUNSMANN WINFRIED
IPC: B62D21/00
Filed: 2003-10-11
Granted: 2005-06-16
Abstract: Ein Kraftfahrzeug (1), insbesondere Cabriolet-Fahrzeug, mit einer Fahrzeugkarosserie, der zumindest ein Paar (3; 6) von Streben (4, 5; 7, 8) und zumindest eine schwingungsselektive Aufnahmeeinheit zur Erfassung von im Fahrbetrieb auftretenden Längsbeanspruchungen der Streben (4, 5; 7, 8) und zumindest ein Stellglied (14) zum Bewirken einer einer Längsbeanspruchung entgegenwirkenden Kraft zugeordnet ist, wird so ausgebildet, daß zumindest zwei Streben (4, 5 bzw. 7, 8) über eine gegenüber der Karosserie beweglich gehaltene Halteeinrichtung (10) verbunden sind, der ein gemeinsames Stellglied (14) zur gleichzeitigen Beeinflussung von symmetrisch liegenden Streben (4, 5 bzw. 7, 8) zugeordnet ist.
Patent DE-19882112-B3 (DE)
Title: Einrichtung zur Schallunterdrückung an Rädern
Inventor: SVEDHEM STEFAN
IPC: B60C19/00
Filed: 1998-02-09
Granted: 2013-10-17
Abstract: Einrichtung zur Unterdrückung von Eigenfrequenzgeräusch in Rädern, das vom Lufthohlraum im Inneren des Rades stammt, wobei die Einrichtung wenigstens einen im Inneren des Rades angeordneten Resonator (10, 11, 12, 13; 10b, 11b, 12b, 13b; 10c, 11c, 12c, 13c; 10d, 11d, 12d, 13d; 10e, 11e, 12e, 13e) aufweist, der zum Unterdrücken von von der Eigenfrequenz des Rades resultierendem Schall gestaltet ist, wobei das Rad (1) einen Reifen (2; 41) und eine Felge (3; 40) aufweist und wobei der Resonator (10, 11, 12, 13; 10b, 11b, 12b, 13b; 10c, 11c, 12c, 13c; 10d, 11d, 12d, 13d; 10e, 11e, 12e, 13e) eine kanalförmige Einrichtung (45) aufweist, die im Inneren des Rades im zwischen dem Reifen und der Felge gebildeten Lufthohlraum angeordnet ist, wobei die kanalförmige Anordnung (45) als ein Kanal gestaltet ist, der sich im Wesentlichen um den Umfang des inneren Lufthohlraums erstreckt, und mit Hilfe von im Inneren des Kanals angeordneten Trennwänden (15, 16, 17, 18; 15b, 16b, 17b, 18b; 15c, 16c, 17c, 18c; 15d, 17d; 15e, 17e) in mehrere, vorzugsweise zwei oder vier, Kanalabschnitte geteilt ist, die je mit einer zum Lufthohlraum gerichteten Öffnung (20, 21, 22, 23; 21d, 23d; 21e, 23e) versehen sind, ...
Patent ES-2023821-B3 (ES)
Inventor: EVRARD DANIEL ROGER JACQUES
IPC: F42C15/24
Filed: 1986-12-24
Granted: 1992-02-16
Abstract: A cartridge comprises a longitudinal tube having a transverse open end. A projectile is accommodated in and can slide longitudinally inside the tube. The projectile is ejected from the tube through the open end by sliding longitudinally relative to the tube. There is a pyrotechnic charge in the projectile. A device for securing delayed initiation of this charge comprises a fuse, a percussion member in the projectile movable between a retracted position in which it is removed from the fuse and a striking position in which it strikes the fuse, a device adapted to hold the percussion member temporarily in its retracted position and complementary mechanical devices on part of the projectile and part of the tube facing the path followed by this part of the projectile as it is ejected. The complementary mechanical devices impel the percussion member towards the striking position, overriding the temporary holding device, when the aforementioned part of the projectile passes across the aforementioned part of the tube during ejection of the projectile from the tube.
Patent ES-2023422-B3 (ES)
Inventor: OBRERO FAUSTINO P
IPC: A23B7/00
Filed: 1987-12-29
Granted: 1992-01-16
Abstract: Pineapple plants are chemically treated in the field with effective amounts of an aqueous solution of a nonionic or anionic surfactant to inhibit opening of the pineapple flowers, so that the susceptibility of the pineapple plant to fruit disease is reduced.
Patent ES-2013641-B3 (ES)
Inventor: CORRIU ROBERT
IPC: C07F3/02
Filed: 1987-09-28
Granted: 1990-05-16
Abstract: Organgomagnesium complexes which correspond to the formula (I): ps (RMgX)m/N[-CHR1-CHR2-O-(CHR3-CHR4-O)n-R5]3 (I) wherein: m is 1, 2, or 3; R denotes a substituted or unsubstituted group which is: linear or branched alkyl containing from 1 to 18 carbon atoms, alkenyl or alkynyl containing from 2 to 18 carbon atoms, cycloalkyl or cycloalkenyl containing from 3 to 12 carbon atoms, alkoxyalkyl, dialkoxyalkyl or alkylthiocarbonyl, aryl (which aryl may particularly be position-substituted by at least a halogen or an alkoxy, trifluoroemethyl, trifluoromethoxy or trifluromethoylthio group), or alkoxyaryl or alkylthioaryl; X denotes a chlorine, iodine or bromine atom; n is an integer ranging from 0 to about 10; R1, R2, R3 and R4, which are identical or di fferent, denote a hydrogen atom or an alkyl or cycloalkyl radical containing from 1 to 4 carbon atoms; and R5, which is identical or different in each of the three [-CHR1-CHR2-O-(CHR3-CHR4-O) hd n-R5] chains, denotes an alkyl or cycloalkyl radical containing 1 to 12 carbon atoms, a phenyl radical or a radical of formula -CpH2p- phi  or CpH(2p+1)- phi -, wherein p ranges from 1 to about 12.
Patent ES-2021804-B3 (ES)
Inventor: RODOUSAKIS ELEFTHERIOS
IPC: F16B37/00
Filed: 1988-09-06
Granted: 1991-11-16
Abstract: A nut (4), with a secured position, for screwing together workpieces (1; 2), each provided with an unthreaded hole (1.1; 2.1), by means of a bolt (5) passing through them, which nut is held such that it cannot rotate on the last unthreaded hole (1.1) in a housing (3), is inserted in the form of a longitudinally slotted clamping sleeve into all the unthreaded holes (1.1, 2.1), in order to reduce the surface pressure on the bolt shank (5.1), and, projecting out of the final unthreaded hole (1.1), is provided with a bore (4.1) of the nut thread (4.2), which allows the screwed-in bolt shank (5.1) to drop freely into it at least approximately over the length of the unthreaded holes (1.1, 2.1). <IMAGE>
Patent ES-2023484-B3 (ES)
Inventor: BUTER ROELOF
IPC: C09D5/02
Filed: 1988-03-22
Granted: 1992-01-16
Abstract: Aqueous coating composition having a basis of a dispersion of an addition polymer (acting as binder), particularly as a base coat which is to be covered with a clear coat. To obtain layers having improved mechanical properties use is made of an addition polymer which is obtained in two or more steps by emulsion polymerization. In a first step copolymerization is effected of 60-95 parts b.w., based on 100 parts b.w. of addition polymer, of a monomer mixture comprising (A) 65-100 mole % of a mixture of 60-100 mole % of a (cyclo)alkyl (meth)acrylate, in which the (cyclo)alkyl group contains 4-12 C-atoms, and 0-40 mole % of a di(cyclo)alkyl maleate and/or a di(cyclo)alkyl fumarate, in which the (cyclo)alkyl groups contain 4-12 C-atoms, and 0-35 mole % of another, copolymerizable, monoalkylenically unsaturated monomer, and in a subsequent step of 5-40 parts b.w., based on 100 parts b.w. of addition polymer, of a monomer mixture (B) of 10-60 mole % of (meth)acrylic acid and 40-90 mole % of another copolymerizable, monoalkylenically unsaturated monomer, the (meth)acrylic acid moieties being at least partially ionized.
Patent HR-PK20070368-B3 (HR)
Inventor: REMENAR DAMIR
IPC: B24D15/00
Filed: 2007-08-24
Abstract: Rukavica za brušenje naznačena time da se sastoji od rukavice (10) na kojoj su prišivene ili zaljepljene čičak trake na prste (11) te na dlanove (12).
Patent DE-102005004973-B3 (DE)
Title: Quick-closing coupling, e.g. for glass products has eccentric bush with first operating sector and clamping sector
Inventor: DUBS VIKTOR
IPC: F16L37/256
Filed: 2005-02-03
Granted: 2006-03-09
Abstract: The coupling joined to tubes (10, 30), one of which has a connecting sector (11) and a first tube sector (13). The coupling includes an eccentric bush (20) with a first operating sector (21) and a clamping sector (23). The eccentric bush is offset axially. The coupling acts in combination with various sectors (e.g. 31) of the tubes having different diameters.
Patent DE-102005009765-B3 (DE)
Title: Selection of transponder in response area of base station, for use in radio frequency identification applications, transmits arbitration symbol with carrier signal used to allocate time slots
Inventor: FRIEDRICH ULRICH
IPC: H04L29/02
Filed: 2005-03-03
Granted: 2006-06-14
Abstract: Transponders are linked by a wireless duplex data transmission path. An electromagnetic carrier signal that also incorporates an arbitration symbol is transmitted. Each symbol has a response area. The transponders derive information from the symbol for modulation of a data signal with different time points for a reference time in the time domain for the modulated signal.
Patent DE-102005011438-B3 (DE)
Title: Production of anti-wear layers on a piston ring base body comprises forming a thermal injection layer based on metallic elements with an affinity to nitrogen on the running surface region
Inventor: HOPPE STEFFEN
IPC: C23F17/00
Filed: 2005-03-12
Granted: 2006-05-18
Abstract: Production of anti-wear layers on a piston ring base body (1) comprises forming a thermal injection layer (4) based on metallic elements with an affinity to nitrogen on the running surface region (4) so that the injection layer has a porosity of 3-10 % and nitriding the running surface region together with the injection layer. A nitrided layer (7) of defined layer thickness is formed on each side (7) on one side and nitrides are formed by diffusing nitriding gas into the injection layer on the other side. An additional nitrided layer (4) is formed below the injection layer. An independent claim is also included for a piston ring with a base body made from steel or cast iron having an anti-wear layer formed by the above process.
Patent DE-102006013307-B3 (DE)
Title: Tergurid/Protergurid zur Behandlung von chronischen Schmerzen
Inventor: LUDWIG GEORG
IPC: A61P25/04
Filed: 2006-03-21
Granted: 2007-10-04
Abstract: Die vorliegende Erfindung betrifft die Verwendung von Tergurid und Protergurid zur Prophylaxe und/oder Behandlung von chronischen Schmerzzuständen sowie pharmazeutische Zusammensetzungen enthaltend Tergurid und/oder Protergurid optional zusammen mit Opiat Analgetikum.
Patent DE-102006016524-B3 (DE)
Title: Cylinder liner for internal combustion engine has endfaces with structured surfaces treated for removal of dirt and oxides with coating of aluminum-silicon alloy
Inventor: SCHERER VOLKER
IPC: F02F1/00
Filed: 2006-04-07
Granted: 2007-07-19
Abstract: The metal cylinder has endfaces with a structured surface from which dirt and oxides can easily be removed, leaving an activated clean surface with surface roughness greater than 2 mu m. A coating of a non-ferrous metal or non-ferrous metal alloy is used to coat the endfaces, preferably an aluminum-silicon alloy including 0.1-13% silicon.
Patent DE-102006022849-B3 (DE)
Title: Weighing hopper for use in volumetric batch dosing device, has outlet lip that is constricted to outlet of dosing channel and arranged above horizontal base, where air passage holes are directed upwards in base in direction of outlet
Inventor: TSCHRITTER THORSTEN
IPC: B65G53/40
Filed: 2006-05-16
Granted: 2007-12-27
Abstract: The hopper has a dosing channel (42) that is provided at a lower end of a material hopper. The channel has a horizontal base (46), over which an inner space (43) of the dosing channel is connected with a pneumatic source. An outlet lip formed from a flexible material is constricted to the outlet of the dosing channel and is arranged above the base. Air passage holes (50) are directed upwards in the base in the direction of the outlet, where the inner space of the dosing channel is connected with an air distributor chamber (48) over the holes.
Patent DE-102007040130-B3 (DE)
Title: Device for deforming a workpiece comprises a tool and an advancing unit for pressing the tool into a workpiece
Inventor: HOFFMANN MICHAEL
IPC: B21J9/04
Filed: 2007-08-24
Granted: 2008-11-27
Abstract: Device for deforming a workpiece (1) comprises a tool (2) and an advancing unit for pressing the tool into a workpiece. The advancing unit has an advancing actuator (3) and an adjusting part (4). The actuator and the adjusting part together form a closed power and/or energy regulating circuit to produce an intermitting movement between workpiece and tool. An independent claim is also included for a method for deforming a workpiece using the above device. Preferred Features: The adjusting part measures a contact force between the workpiece and the tool and/or an energy input at the contact site.
Patent DE-102008056869-B3 (DE)
Title: Method for image processing of intensity images having annular structure for determining position, involves defining sectors of intensity images with sector vertex on sector origin point which lies in annular structure
Inventor: SCHERTLER KLAUS
IPC: G01J9/02
Filed: 2008-11-12
Granted: 2009-11-12
Abstract: The method involves defining sectors of the intensity images with a sector vertex on a sector origin point which lies in an annular structure. A distance of an intensity extreme value to the sector vertex of each sector of a group of sectors is determined. A distance vector contains the distances of all sectors of the group of sectors. An independent claim is included for a device for image processing of intensity images having an annular structure for determining the position from deviation or radius of the annular structure, particularly for evaluating an interferogram or for exact position determination of object.
Patent DE-102008064976-B3 (DE)
Title: Antriebsvorrichtung, insbesondere für Kraftfahrzeuganwendungen
Inventor: HURST RICHARD
IPC: F15B21/04
Filed: 2008-05-06
Granted: 2023-07-27
Abstract: Antriebsvorrichtung, insbesondere Verstellantrieb und/oder Scheibenwischerantrieb in einem Kraftfahrzeug, mit einem Gehäuse (2), wobei das Gehäuse (2) als Träger (4) für eine Druckausgleichsmembran (5) vorgesehen ist, die entlang einer Schweißlinie (6) mit dem Träger (4) verschweißt ist, dadurch gekennzeichnet, daß sich außerhalb der Schweißnaht (6) die Druckausgleichsmembran (5) in Hochrichtung überragende Fortsätze (7) befinden, die zum Festlegen eines Schutzdeckels (8) dienen, der die Druckausgleichsmembran (5) vor Beschädigungen schützt.
Patent DE-102011075845-B3 (DE)
Title: Emptying device for outputting material, such as goods, provided in container, particularly tubular bags, bag-in-box containers, bottle or canister, has tubular pipe, which partially encloses hollow space with pipe casing
Inventor: WOLF KARSTEN
IPC: B65D25/42
Filed: 2011-05-13
Granted: 2012-10-31
Abstract: The emptying device (1) has a tubular pipe (2), which partially encloses a hollow space (4) with a pipe casing (3). The hollow space is provided as a material flow channel to provide material flow from a filler opening at a side (31) of the pipe to an outlet opening (22) in the casing of the pipe. A piston-shaped actuating element (12) is displaceably mounted within the hollow space in such a manner that it is closed in closing position of the outlet opening and released in an opening position of the outlet opening for removing the material from the container through the outlet opening.
Patent DE-102011122380-B3 (DE)
Title: Küchenhobel
Inventor: LAUTWEIN ALEXANDER
IPC: A47J43/25
Filed: 2011-12-22
Granted: 2013-06-06
Abstract: Küchenhobel (10) zum Schneiden von Schneidgut wie Obst, Gemüse etc. mit – einem Grundkörper (12), an dem ein Messer (14) festgelegt ist, um Stücke von dem Schneidgut abzuschneiden, – einer Führungsfläche (20), die gegenüber dem Messer (14) versetzt angeordnet ist, auf der das Schneidgut hin und her bewegt und dem Messer (14) kontrolliert zugeführt werden kann, wobei der Versatz zwischen dem Messer (14) und der Führungsfläche (20) eine Schneidstärke der zu schneidenden Stücke bestimmt, – einem Einsatz (22), dessen Oberfläche die Führungsfläche (20) bildet, der im Ganzen beweglich und in unterschiedlichen Positionen an dem Grundkörper (12) festlegbar ist, um so unterschiedliche Schnittstärken zu realisieren, – Festlegungsmitteln (24), die den Einsatz (22) relativ zu dem Grundkörper (12) festlegen, dadurch gekennzeichnet, dass die Festlegungsmittel (24) einstückig mit dem Einsatz (22) ausgebildet sind und zum Festlegen und zum Lösen des Einsatzes (22) mittels eines Filmscharniers (44, 46) relativ zu dem Grundkörper (12) und relativ zu der Führungsfläche (20) beweglich gelagert sind.
Patent DE-102013005845-B3 (DE)
Title: Wedge-shaped multilayer laue lens for e.g. nano-focus at synchrotron radiation source, has layers altered along radiography direction on basis of X-ray radiation that impinges up to changed surface from emerged X-ray radiation
Inventor: NIESE SVEN
IPC: G21K1/06
Filed: 2013-04-02
Granted: 2014-04-10
Abstract: The lens (1) has layers arranged one above another, where layer thickness (t) is successively reduced based on an optical axis of X-ray radiation. The X-ray radiation impinges or emerges from a surface during radiography of the lens. A material coater layer (2) is parallel to a coated surface of the laue lens arising course or pressure inherent stresses. The arranged layers are altered along radiography direction on the basis of the X-ray radiation that impinges up to the changed surface from the emerged X-ray radiation. An independent claim is also included for a method for manufacturing a wedge shaped multilayer tepid lens.
Patent DE-102013106243-B3 (DE)
Title: Verfahren und Vorrichtung zum Streckbiegerichten von Metallbändern
Inventor: NOé ANDREAS
IPC: B21D1/05
Filed: 2013-06-14
Granted: 2014-09-18
Abstract: Es handelt sich um ein Verfahren zum Streckbiegerichten von Metallbändern, insbesondere hochfesten Stahlbändern, wobei das Band einen Einlaufspannrollensatz zum Zugaufbau und einen Auslaufspannrollensatz zum Zugabbau durchläuft, wobei das Band zwischen Einlaufspannrollensatz und Auslaufspannrollensatz zunächst wechselseitig um einzeln abgestützte Streckrollen gebogen und dabei der Streckgrad erhöht wird und wobei das Band anschließend einen der letzten Streckrollen nachgeordneten Vielrollen-Richtsatz mit einer Vielzahl von Richtrollen durchläuft, um welche das Band zur Reduzierung von Bandkrümmung und/oder Restspannung wechselseitig gebogen wird. Der plastische Streckgrad wird sowohl mit den Streckrollen als auch anteilig mit dem Vielrollen-Richtsatz erzeugt.
Patent DE-102014012859-B3 (DE)
Title: Vorrichtung zur Versorgung einer Brennkraftmaschine mit einem Verbrennungsluftstrom und Verfahren zum Betreiben einer solchen
Inventor: TALMON-GROS DIETMAR
IPC: F02M35/00
Filed: 2014-09-03
Granted: 2016-01-21
Abstract: Es werden eine Vorrichtung (12) zur Versorgung einer Brennkraftmaschine (10) insbesondere eines Kraftfahrzeugs mit einem Verbrennungsluftstrom (14) und zur Ableitung eines Abgasstromes (16) von der Brennkraftmaschine (10) und ein Verfahren zum Betreiben einer solchen beschrieben. Die Vorrichtung (12) umfasst wenigstens einen Frischluftkanal (18) zur Führung des Verbrennungsluftstromes (14), wenigstens einen Abgaskanal (20) zur Führung des Abgasstromes (16), wenigstens einen Abgasturbolader (22) mit einem in dem wenigstens einen Frischluftkanal (18) angeordneten Verdichter (40) und mit einer in dem wenigstens einen Abgaskanal (20) angeordneten Turbine (42), wenigstens eine Niederdruckabgasrückführung (24) mit wenigstens einem stromaufwärts des Verdichters (40) in den wenigstens einen Frischluftkanal (18) mündenden Rückführungskanal (26) zur Führung eines Abgasrückführungsstroms (56), wenigstens ein stromaufwärts einer Mündung (52) des wenigstens Rückführungskanals (26) in dem wenigstens einen Frischluftkanal (18) angeordnetes einstellbares Drosselorgan (50) zur Drosselung eines Frischluftstroms (48) durch den wenigstens einen Frischluftkanal (18). Das Drosselorgan (50) ist mit wenigstens einem Druckabnehmer (62, 64) steuer- und/oder regelbar verbunden, der mit dem wenigstens einen Rückführungskanal (26) verbunden ist zum abnehmen eines in diesem herrschenden Drucks.