A valve component includes a first disk-shaped joining part and a second disk-shaped joining part. The first disk-shaped joining part has a first opening and has an elevation in a first region of the first disk-shaped joining part which runs at least partially peripherally around the first opening. The second disk-shaped joining part is joined to the first disk-shaped joining part and has a second opening which together with the first opening defines a channel for flow of a fluid medium therethrough. The second disk-shaped joining part further has a depression in a second region of the second disk-shaped joining part which runs at least partially peripherally around the second opening and which opposes the first region of the first disk-shaped joining part. The elevation interacts with the depression in sealing fashion.
F16F 9/34 - Structure des clapets particuliersForme ou structure des passages d'étranglement
F16F 9/32 - Ressorts, amortisseurs de vibrations, amortisseurs de chocs ou amortisseurs de mouvement de structure similaire, utilisant un fluide ou moyen équivalent comme agent d'amortissement Parties constitutives
F16F 9/36 - Joints d'étanchéité particuliers, y compris les joints ou guides pour tiges de piston
A sintering furnace with a first zone, in particular a burn-off zone, and a second zone, in particular a sintering zone, and also a transitional zone arranged between the first zone and the second zone. The sintering furnace has at least one transporting mechanism for transporting bodies to be sintered on a transporting area. With this transporting mechanism, the bodies to be sintered can be transported from the first zone and through the transitional zone to the second zone. The sintering furnace also has at least one gas removal device with at least one gas removal device opening. Here, the gas removal device opening is at least partially arranged in the region of the transitional zone. Furthermore, a method by means of which gases can be removed from a sintering furnace is claimed.
F01L 1/34 - Systèmes de distribution à soupapes, p. ex. à soupapes de levage caractérisés par des moyens de changer la période d'une soupape sans changer la durée de l'ouverture
F01L 1/344 - Systèmes de distribution à soupapes, p. ex. à soupapes de levage caractérisés par des moyens de changer la période d'une soupape sans changer la durée de l'ouverture en modifiant la position angulaire relative entre le vilebrequin et l'arbre à came, p. ex. à l'aide d'un engrenage hélicoïdal
4.
STATOR FOR AN ELECTRICAL MACHINE, ELECTRICAL MACHINE AND METHOD FOR ASSEMBLING AN ELECTRICAL MACHINE
The invention relates to a stator for an electrical machine having at least one rotor. The stator is formed as a body provided with at least one opening and having at least one ferromagnetic material. The stator also has: - at least one region designed as a stator pole carrier, which surrounds a central axis of the stator at least partially, - at least one first stator pole with at least a first edge and a second edge, and - at least one second stator pole. The stator poles are preferably aligned substantially facing along a radial direction, arranged directly or indirectly on the stator pole carrier. The invention also concerns an electrical machine having at least one stator pair comprising a first stator and a second stator. Moreover, the invention concerns a method for assembling an electrical machine.
H02K 21/12 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants
H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
H02K 21/14 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants tournant à l'intérieur des induits
H02K 29/03 - Moteurs ou génératrices à dispositifs de commutation non mécaniques, p. ex. tubes à décharge ou dispositifs à semi-conducteurs avec un circuit magnétique spécialement adapté pour éviter des ondulations du couple ou des problèmes de démarrage autonome
09 - Appareils et instruments scientifiques et électriques
Produits et services
Stators for electric motors and electric generators. Structural components for electro magnetic applications (if
included in this class), especially armatures for electric
motors and generators, inductors, inductor cores, especially
for demand control, solenoids, especially for actuators or
valves.
6.
Production of multi-part, joined valve components in hydraulic applications with joint sealing profiles
The invention relates to a valve component, in particular for a piston or a valve, comprising at least one first disk-shaped joining part and at least one second disk-shaped joining part, wherein the first and second joining part each have at least one opening, and wherein once the joining parts have been joined, the opening in the joining parts interacts in such a way that a channel is formed and a fluid medium can flow through the channel. In first and second regions at the joining parts, an at least partially peripheral elevation and/or depression interact with one another in sealing fashion once joined.
F16J 1/09 - PistonsPistons à fourreauPlongeurs comprenant des moyens de guidage des fluides
F16F 9/32 - Ressorts, amortisseurs de vibrations, amortisseurs de chocs ou amortisseurs de mouvement de structure similaire, utilisant un fluide ou moyen équivalent comme agent d'amortissement Parties constitutives
F16F 9/34 - Structure des clapets particuliersForme ou structure des passages d'étranglement
F16F 9/36 - Joints d'étanchéité particuliers, y compris les joints ou guides pour tiges de piston
B21D 53/00 - Fabrication d'autres objets particuliers
09 - Appareils et instruments scientifiques et électriques
Produits et services
Stators being parts of electric motors and electric generators Structural components for electro-magnetic applications, namely, armatures for electric motors and generators; electrical inductors, and electrical inductor cores for solenoids, actuators, and valves
A sintering furnace with a first zone, in particular a burn-off zone, and a second zone, in particular a sintering zone, and also a transitional zone arranged between the first zone and the second zone. The sintering furnace has at least one transporting mechanism for transporting bodies to be sintered on a transporting area. With this transporting mechanism, the bodies to be sintered can be transported from the first zone and through the transitional zone to the second zone. The sintering furnace also has at least one gas removal device with at least one gas removal device opening. Here, the gas removal device opening is at least partially arranged in the region of the transitional zone. Furthermore, a method by means of which gases can be removed from a sintering furnace is claimed.
The invention relates to a camshaft adjusting device (1) for an internal combustion engine and to a method for producing a camshaft adjusting device having a stator wheel (10) and a rotor wheel (11), wherein the rotor wheel (11) has a first body part (19) and a second body part (20), wherein a joining surface (19a) of the first body part (19) and a joining surface (20a) of the second body part (20) are joined to one another, and wherein depressions (21, 22) are formed in at least one of the joining surfaces (19a, 20a) in order to form the fluid ducts (17, 18) at least in sections. To provide a camshaft adjusting device (1) with an improved rotor wheel (11) which is formed from two body parts (19, 20) which can be joined to one another in an improved manner, it is provided according to the invention that at least one sealing means (25, 26) is provided in or on at least one joining surface (19a, 20a), which sealing means is designed such that the fluid ducts (17, 18) are sealed off and such that defined contact is realized between the joining surfaces (19a, 20a) which are placed on one another.
F01L 1/344 - Systèmes de distribution à soupapes, p. ex. à soupapes de levage caractérisés par des moyens de changer la période d'une soupape sans changer la durée de l'ouverture en modifiant la position angulaire relative entre le vilebrequin et l'arbre à came, p. ex. à l'aide d'un engrenage hélicoïdal
10.
BINDER MIXTURE FOR PRODUCING MOULDED PARTS USING INJECTION METHODS
The aim of the invention is to provide a binder mixture, by which means the application range, more particularly of the PIM method, is expanded in terms of the moulded parts thereby produced. To this end, such a mixture is provided, comprising at least one polymer compound A, selected from a group comprising polyolefins, in a quantity in a range of approximately 10 wt. % to approximately 60 wt. % of the total quantity of binder mixture, with a first softening range and a first melt viscosity; at least one polymer compound B in a quantity of approximately 10 wt. % to approximately 65 wt. % of the total quantity of binder mixture, with a second softening range and a second melt viscosity; and at least one non-polymer compound C in a quantity of approximately 10 wt. % to approximately 65 wt. % of the total quantity of binder mixture. The first softening range of compound A and the second softening range of compound B are between approximately 80°C and approximately 200°C; the second melt viscosity of compound B is approximately 2 times to 100 times higher than the first melt viscosity of compound A; and compound B and compound C can be dissolved in a solvent, selected from a group comprising acetone, xylene, turpentine, tetrahydrofuran and/or ethyl acetate, within a temperature range of between approximately 20°C and approximately 90°C.
C08L 29/00 - Compositions contenant des homopolymères ou des copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un radical alcool, éther, aldéhyde, cétone, acétal ou cétalCompositions contenant des polymères d'esters hydrolysés d'alcools non saturés avec des acides carboxyliques saturésCompositions contenant des dérivés de tels polymères
B22F 3/22 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet pour la fabrication de pièces par coulée en moule poreux ou absorbant, c.-à-d. par coulée d'une suspension de poudre métallique dans un moule poreux, d'une façon analogue au coulage de la barbotine
The invention relates to a method for producing a green compact, said green compact comprising at least two partial green compacts, each partial green compact being compacted and joined from at least one powdery material in one working cycle. Particularly, two, three, four or more than four partial green compacts can be compacted and joined in one working cycle.
B22F 7/06 - Fabrication de couches composites, de pièces ou d'objets à base de poudres métalliques, par frittage avec ou sans compactage de pièces ou objets composés de parties différentes, p. ex. pour former des outils à embouts rapportés
B30B 11/02 - Presses spécialement adaptées à la fabrication d'objets à partir d'un matériau en grains ou à l'état plastique, p. ex. presses à briquettes ou presses à tablettes utilisant un pilon exerçant une pression sur le matériau dans une cavité de moulage
12.
PRODUCTION OF MULTI-PART, JOINED VALVE COMPONENTS IN HYDRAULIC APPLICATIONS WITH JOINT SEALING PROFILES
The invention relates to a valve component (1, 12, 17, 29, 34, 43, 46, 48), in particular for a piston or a valve, comprising at least one first disk-shaped joining part (2, 3, 17, 24, 28, 33, 45) and at least one second disk-shaped joining part (2, 3, 17, 24, 28, 33, 45), wherein the first and second joining parts (2, 3, 17, 24, 28, 33, 45) have at least one opening (4, 5, 14, 15, 27, 37), and wherein, once the joining parts (2, 3, 17, 24, 28, 33, 45) have been joined, the opening (4, 5, 14, 15, 27, 37) in the joining parts (2, 3, 17, 24, 28, 33, 45) interacts in such a way that a channel is formed and a fluid medium, in particular an oil, is formed through the channel (6, 16, 39) and a fluid medium can flow through the channel (6, 16, 39), and wherein, in a first region of the first joining part (2, 3, 17, 24, 28, 33, 45), an at least partially peripheral elevation (9, 19, 25, 30, 35) and/or depression (10, 20, 26, 32, 36) and, in a second region of the second joining part (2, 3, 17, 24, 28, 33, 45), said second region being opposite the first region, an at least partially peripheral elevation (9, 19, 25, 30, 35) and/or depression (10, 20, 26, 32, 36) are provided, wherein the elevation (9, 19, 25, 30, 35) and/or the depression (10, 20, 26, 32, 36) interact with one another in sealing fashion once the joining parts have been joined.
F16F 9/32 - Ressorts, amortisseurs de vibrations, amortisseurs de chocs ou amortisseurs de mouvement de structure similaire, utilisant un fluide ou moyen équivalent comme agent d'amortissement Parties constitutives
F16F 9/34 - Structure des clapets particuliersForme ou structure des passages d'étranglement
F16F 9/36 - Joints d'étanchéité particuliers, y compris les joints ou guides pour tiges de piston
13.
ARRANGEMENT OF A BALANCE WEIGHT ON A BALANCE SHAFT
The invention relates to a balance shaft (1, 27), in particular for an internal combustion engine, having at least one balance weight (2, 13, 23, 31, 40) which is removably fastened to the balance shaft (1, 27) and a drive wheel (3, 12, 22, 39) which is removably fastened to the balance shaft (1, 27) for transferring a driving torque, wherein the drive wheel (3, 12, 22, 39) is fastened to the balance shaft (1, 27) on the end face side by at least one axial connection element (4, 24, 25) and the drive wheel (3, 12, 22, 39) and the balance weight (2, 13, 23, 31, 40) directly contact each other, wherein the balance weight (2, 13, 23, 31, 40) is a powder-metallurgically produced component (2, 13, 23, 31, 40), in particular a sintered component.
F16F 15/26 - Compensation des forces d'inertie dans les systèmes à vilebrequins utilisant des masses solides autres que les pistons ordinaires, se déplaçant avec le système lui-même
In order to achieve the object of providing a mixture by means of which, in particular, sintered moldings can be obtained that are virtually free of surface stains produced by soot particles, a mixture is proposed which comprises at least one pressing aid and at least one additive, wherein the additive is selected from a group of substances which have releasable carbon dioxide.
H01B 1/22 - Matériau conducteur dispersé dans un matériau organique non conducteur le matériau conducteur comportant des métaux ou des alliages
C04B 35/532 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de carbone, p. ex. graphite obtenus à partir de particules carbonées avec ou sans autres composants non organiques contenant un liant carbonisable
15.
FILTER SYSTEM, IN PARTICULAR FOR VISCOSE FILTRATION
The invention relates to a filter having a layer which is permeable to a medium to be filtered, comprising at least one nonwoven part, wherein the nonwoven part withstands higher mechanical loads. According to the invention the layer comprises, in addition to the nonwoven part, at least one sheet-like support part connected to at least one sub-region of at least one side of the nonwoven part.
B01D 29/23 - Éléments filtrants avec des supports agencés pour la filtration à courant dirigé vers l'extérieur
B01D 29/68 - Rinçage par chasse, p. ex. rafale ascendante d'air à contre-courant avec des bras, des collecteurs de lavage ou des ajutages à contre-courant
16.
METHOD FOR THE HIGH-PRECISION CALIBRATION OF A COMPONENT
The invention relates to a method for the high-precision calibration of a component (11), wherein: the component (11) has an outer geometry (12) to be calibrated; a calibrating tool (13) has just one disc (16) with an inner geometry (18) that corresponds to the outer geometry of the component and is smaller than the outer geometry of the component by a predetermined amount; the component is pressed by the tool in such a way that the outer geometry of the component lies against the inner geometry of the disc and is radially compressed. The invention also relates to a method for the high-precision calibration of a component (11), wherein: the component (11) has an inner geometry (20) to be calibrated; a calibrating tool (13) has just one disc (23) with an outer geometry (24) that corresponds to the inner geometry of the component and is larger than the inner geometry of the component by a predetermined amount; the component is pressed by the tool in such a way that the inner geometry of the component lies against the outer geometry of the disc and is radially compressed.
B22F 3/17 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet par forgeage
B22F 5/08 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de pièces dentées, p. ex. de pignonsFabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de cames
B22F 5/10 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser d'articles avec des cavités ou des trous, non prévue dans les sous-groupes précédents
B22F 3/16 - Compactage et frittage par des opérations successives ou répétées
A hydraulic cam shaft adjuster has a driven outer body comprising at least one hydraulic chamber, and an inner body disposed on the inside of the outer body (4), which can be firmly attached to the camshaft and has at least one pivoting wing extending into the hydraulic chamber in the radial direction, thus partitioning the hydraulic chamber into a first working chamber and a second working chamber. The inner body has at least one oil inlet and oil outlet conduit extending from a jacket interior to a jacket exterior of the inner body up to one of the two working chambers. The inner body is assembled using at least one first element and one second element, wherein the two elements each have at least one geometry at front sides facing each other, forming the oil inlet and oil outlet conduit of the inner part together with the other element.
F01L 1/34 - Systèmes de distribution à soupapes, p. ex. à soupapes de levage caractérisés par des moyens de changer la période d'une soupape sans changer la durée de l'ouverture
The invention relates to a treatment device (1, 22, 35) for removing a burr on a partially compressed moulded part (6, 28, 45, 46). The moulded part (6, 28, 45, 46) is formed of one or more components of a pressed powder (6, 28, 45, 46), in particular a green compact. The device comprises means for receiving (18, 30, 34, 35, 37, 38, 39, 40, 41) the moulded part (6, 28, 45, 46) and at least one unit for blasting (13, 24, 25), in particular comprising a blasing nozzle (15, 26, 27, 50, 51), the moulded part (6, 28, 45, 46) with a blasting agent (52), wherein the blasting agent (52) is a granular plastics material. The invention further relates to a method for removing a burr on a moulded part (6, 28, 45, 46) and to a component, in particular a sintered component, which is produced by means of the treatment device (1, 22, 35) and in accordance with the method.
B22F 3/24 - Traitement ultérieur des pièces ou objets
B24C 3/08 - Machines ou dispositifs de traitement au jet abrasifInstallations de traitement au jet abrasif adaptés essentiellement au traitement au jet abrasif de matériaux ou de pièces en mouvement
B22F 3/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet
19.
ARRANGEMENT OF A GEAR AND A COUPLING ELEMENT FOR TRANSMITTING A ROTATIONAL MOTION
The invention relates to an arrangement (2), comprising: a gear (4) and a coupling element (6), which is connected to the gear (4) in a form-fitted manner in order to transmit a rotational motion. The gear (4) and the coupling element (6) each have a geometry Gz, Gκ on end faces (16, 28) facing each other, the geometry forming a form-fitted connection in connection with the geometry of the other element. The gear (4) and the coupling element (6) are designed as components produced by sintering, into which components the respective end-face geometries Gz, Gκ are impressed, by means of which end-face geometries the gear (4) and the coupling element (6) are positioned relative to each other.
F16D 23/06 - Dispositions pour la synchronisation avec embrayage à friction additionnel et mécanisme de blocage empêchant l'enclenchement de l'embrayage principal avant synchronisation
B22F 7/08 - Fabrication de couches composites, de pièces ou d'objets à base de poudres métalliques, par frittage avec ou sans compactage de pièces ou objets composés de parties différentes, p. ex. pour former des outils à embouts rapportés avec une ou plusieurs parties non faites à partir de poudre
C22C 47/14 - Fabrication d'alliages contenant des fibres ou des filaments métalliques ou non métalliques par métallurgie des poudres, c.-à-d. par traitement de mélanges de poudre métallique et de fibres ou de filaments
B30B 11/02 - Presses spécialement adaptées à la fabrication d'objets à partir d'un matériau en grains ou à l'état plastique, p. ex. presses à briquettes ou presses à tablettes utilisant un pilon exerçant une pression sur le matériau dans une cavité de moulage
B30B 11/34 - Presses spécialement adaptées à la fabrication d'objets à partir d'un matériau en grains ou à l'état plastique, p. ex. presses à briquettes ou presses à tablettes pour recouvrir des objets, p. ex. des tablettes
The invention relates to a method for producing a composite part, the composite part comprising at least one powder metal part compacted from a powdery material and at least one solid part. The powdery material is compacted to a powder metal part inside the working chamber of a press, especially a pressing tool of a press, and the solid part is at least partially fed to the working chamber in the same step, especially in the same working cycle of the press so that the composite part is produced within one working cycle.
B30B 11/02 - Presses spécialement adaptées à la fabrication d'objets à partir d'un matériau en grains ou à l'état plastique, p. ex. presses à briquettes ou presses à tablettes utilisant un pilon exerçant une pression sur le matériau dans une cavité de moulage
The invention relates to a method for producing a green compact, said green compact comprising at least two partial green compacts, each partial green compact being compacted and joined from at least one powdery material in one working cycle. Particularly, two, three, four or more than four partial green compacts can be compacted and joined in one working cycle.
B30B 11/02 - Presses spécialement adaptées à la fabrication d'objets à partir d'un matériau en grains ou à l'état plastique, p. ex. presses à briquettes ou presses à tablettes utilisant un pilon exerçant une pression sur le matériau dans une cavité de moulage
The invention relates to a method for producing a sintered component, wherein: a workpiece (10) is formed comprising a contact surface (11); a distancing piece (12) comprises a reference surface (13) that corresponds to the contact surface (11); the workpiece (10) and the distancing piece (12) are placed together such that the contact surface (11) faces the reference surface (13); the workpiece (10) is sintered together with the distancing piece (12); a thermal expansion behavior, particularly a thermal expansion coefficient of the distancing piece (12), is selected relative to a thermal expansion behavior, particularly a thermal expansion coefficient, of the workpiece (10), and the distancing piece (12) is dimensioned and/or formed such that the contact surface (11) is resting against the reference surface (13) at least during a partial phase of the sintering process.
The invention relates to a rotor (2) having a load-limiting device for limiting torque, wherein the load-limiting device is implemented in a flange segment (4) of the rotor (2). The flange segment (4) thereby comprises a first segment designed as an outer ring (8) connected to a third segment (12) of the flange segment (4) by means of at least one base segment (10) forming a second segment of the flange segment (4). The base segment (10) thereby extends at least in one direction, tapering down to a connecting surface A acting as a rated break point, at which the base segment (10) breaks under a defined overload. The invention further relates to a press tool (30) and a method for producing a pressed article (2) to be sintered, made of a material in powder form, wherein the pressing (2) is designed in the shape of such a rotor that can be used in a wide range of technical applications for torque transmission and torque limiting.
F16D 9/08 - Accouplements avec organe de sécurité pour le désaccouplement par rupture due au cisaillement sur une zone unique entourant l'axe de rotation, p. ex. gorges de cisaillement sur les arbres
B22F 3/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet
The invention relates to a magnetic coupling (2) having: a housing (4) for receiving a rotor (8) and a coil assembly (6), a rotor (8) having a flange section (12) which comprises a first portion formed as an outer ring (24) which is attached, via at least one web section (26), which forms the second section of the flange section (12), to a third section (22) of the flange section (12), at least one coupling disk (14), which interacts with the flange section (12) of the rotor (8) in order to transmit a rotational movement, and a coil assembly (6) for generating a magnetic field, which effects a force linkage between the flange section (12) and the coupling disc (14) to transmit the rotational movement. The web section (26) extends at least in one direction and, in the process, tapers as far as an attachment surface A. The invention further relates to a press tool (40) and to a method for producing a pressed piece (8) to be sintered from a powdery material, specifically in the form of such a rotor.
F16D 27/112 - Embrayages actionnés magnétiquementLeur commande ou leurs circuits électriques avec un électro-aimant ne tournant pas avec un organe de l'embrayage, c.-à-d. sans bagues collectrices avec des organes d'embrayage mobiles selon l'axe avec des surfaces de friction plates, p. ex. des disques
F16D 27/06 - Embrayages actionnés magnétiquementLeur commande ou leurs circuits électriques à électro-aimants incorporés dans l'embrayage, c.-à-d. avec des bagues collectrices avec surfaces de friction mobiles axialement les surfaces de friction étant disposées dans le flux magnétique
B30B 11/02 - Presses spécialement adaptées à la fabrication d'objets à partir d'un matériau en grains ou à l'état plastique, p. ex. presses à briquettes ou presses à tablettes utilisant un pilon exerçant une pression sur le matériau dans une cavité de moulage
B30B 11/04 - Presses spécialement adaptées à la fabrication d'objets à partir d'un matériau en grains ou à l'état plastique, p. ex. presses à briquettes ou presses à tablettes utilisant un pilon exerçant une pression sur le matériau dans une cavité de moulage coopérant avec un moule fixe
B22F 5/10 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser d'articles avec des cavités ou des trous, non prévue dans les sous-groupes précédents
In order to solve the problem of providing a lubricant for powder metallurgy which is relatively unobjectionable with respect to occupational safety and environmental aspects, a mixture is proposed comprising carnauba wax and at least one vegetable or animal fat.
The invention relates to a piston for a piston-cylinder arrangement, particularly a shock absorber piston, which includes a piston body, that has a circumferential surface. A sealing collar has an outer circumferential surface, an inner circumferential surface, a first peripheral surface, and a first sealing lip, and extends around the circumferential surface of the piston body and covers at least part of the circumferential surface in the axial direction. The first peripheral surface connects the two circumferential surfaces to each other at a first end of the sealing collar. The first sealing lip is delimited by the first peripheral surface and the outer circumferential surface, and the first sealing lip is configured evenly in the circumferential direction.
B21K 1/18 - Fabrication d'éléments de machines de pistons ou pistons-plongeurs
B21D 39/00 - Utilisation de procédés permettant d'assembler des objets ou des parties d'objets, p. ex. revêtement par des tôles, autrement que par placageDispositifs de mandrinage des tubes
In order to achieve the object of providing a mixture by means of which, in particular, sintered moldings can be obtained that are virtually free of surface stains produced by soot particles, a mixture is proposed which comprises at least one pressing aid and at least one additive, wherein the additive is selected from a group of substances which have releasable carbon dioxide.
METHOD FOR OPERATING A PRESS DEVICE FOR PRODUCING PRESSED ARTICLES HAVING CONSTANT HEIGHTS FROM POWDERED MATERIALS, CONTROL UNIT FOR A PRESS DEVICE OF SAID KIND AND PRESS DEVICE
The invention relates to a method for operating a press device (2) for producing pressed articles (12) having constant heights from powdered materials, wherein a powdered material is filled into a mold (14, 16) of the press device (2) and is pressed into a pressed article (12) having a desired height H by means of a press tool (4, 6, 8, 10) of the press device (2) by applying a force. The invention further relates to a control unit for a press device of said kind, wherein the method is algorithmically executed, and to a press device for carrying out the method.
B30B 11/00 - Presses spécialement adaptées à la fabrication d'objets à partir d'un matériau en grains ou à l'état plastique, p. ex. presses à briquettes ou presses à tablettes
In order to achieve the object of providing a mixture by means of which, in particular, sintered moldings can be obtained that are virtually free of surface stains produced by soot particles, a mixture is proposed which comprises at least one pressing aid and at least one additive, wherein the additive is selected from a group of substances which have releasable carbon dioxide.
The aim of the invention is to devise a binder that is an alternative to prior art binders for producing sintered molded articles. Said aim is achieved by a binder comprising a first substance that has a first melting point and a first vapor pressure at 80° C and a second substance that has a second melting point and a second vapor pressure at 80° C, the maximum melting point of the first and second substance amounting to about 150° C, and the minimum vapor pressure of the first and second substance amounting to about 5 torr (667 Pa) at 80° C.
The invention relates to a hydraulic cam shaft adjuster (2) having a driven outer body (4) comprising at least one hydraulic chamber (18), and an inner body (6) disposed on the inside of the outer body (4), which can be firmly attached to the camshaft and has at least one pivoting wing (8) extending into the hydraulic chamber in the radial direction, thus partitioning the hydraulic chamber into a first working chamber (22) and a second working chamber (24). The inner body (6) further comprises at least one oil inlet and oil outlet conduit (14, 16) extending from a jacket interior (10) to a jacket exterior (12) of the inner body (6) up to one of the two working chambers (22). For this purpose the inner body (6) is assembled using at least one first element (28) and one second element (30), wherein the two elements each have at least one geometry (39, 41, 50, 52) at front sides (38, 40) facing each other, said geometry forming the oil inlet and oil outlet conduit of the inner part together with the other element.
F01L 1/344 - Systèmes de distribution à soupapes, p. ex. à soupapes de levage caractérisés par des moyens de changer la période d'une soupape sans changer la durée de l'ouverture en modifiant la position angulaire relative entre le vilebrequin et l'arbre à came, p. ex. à l'aide d'un engrenage hélicoïdal
33.
Mixture for producing sintered moldings comprising carnauba wax
To achieve the object of providing a mixture for producing sinterable mouldings that allows high pressed densities to be obtained in a green compact, a mixture is proposed which comprises at least one metallic material and/or plastics material and at least one pressing aid, the pressing aid comprising about 0.5% to about 60% by weight, based on the total amount of the pressing aid, of at least one amide, and about 40% to about 99.5% by weight, based on the total amount of the pressing aid, of at least one carnauba wax.
B22F 3/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet
A connecting link (10) for an interlocking device has a receptacle space (15) for receiving another connecting link (11) of the interlocking device, the receptacle space comprising a contact surface (17) and an opposing surface (16) facing the contact surface: - a hole (18) being formed behind the opposing surface and connected to the receptacle space by means of a gap; - the hole extending parallel to the longitudinal axis (A) of the interlocking device; - a spring element (13) being disposed in the hole and comprising a contact area for contacting the other connecting link, extending through the gap into the receptacle area. A method for producing a sintered component having a connecting device, particularly a connecting link for an interlocking device, comprises the steps: - forming a green body having a receptacle space, contact surface, opposing surface, hole, and gap; - sintering the green body; - inserting at least one spring element in each hole, such that it comprises a contact area for contacting the other component extending through the gap into the receptacle space.
F16D 3/66 - Accouplements extensibles, c.-à-d. avec moyens permettant le mouvement entre parties accouplées durant leur entraînement avec pièces d'accouplement reliées par un ou plusieurs organes intermédiaires comportant des éléments élastiques disposés entre les parois sensiblement radiales des deux pièces d'accouplement les éléments étant métalliques, p. ex. en forme de spires
F16D 3/04 - Accouplements extensibles, c.-à-d. avec moyens permettant le mouvement entre parties accouplées durant leur entraînement adaptés à des fonctions particulières spécialement adaptés pour permettre un déplacement radial, p. ex. joints Oldham
B22F 5/10 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser d'articles avec des cavités ou des trous, non prévue dans les sous-groupes précédents
35.
PISTON FOR A PISTON-CYLINDER ARRANGEMENT AND PRODUCTION METHOD
The invention relates to a piston (10) for a piston-cylinder arrangement, particularly a shock absorber piston, comprising: - a piston body (11), which has a circumferential surface (13); - a sealing collar (12), which has an outer circumferential surface (15), an inner circumferential surface (16), a first peripheral surface (17), and a first sealing lip (19), and which extends around the circumferential surface (13) of the piston body and covers at least part of the circumferential surface in the axial direction, wherein: - the first peripheral surface connects the two circumferential surfaces to each other at a first end of the sealing collar; the first sealing lip is delimited by the first peripheral surface and the outer circumferential surface; and the first sealing lip is configured evenly in the circumferential direction.
The invention relates to a method for compressing the surface of a toothed section. The method is characterized by iteratively calculating the number of compression movements of a form tool to be repeated for compressing the surface of an area of a blank.
G06F 19/00 - Équipement ou méthodes de traitement de données ou de calcul numérique, spécialement adaptés à des applications spécifiques (spécialement adaptés à des fonctions spécifiques G06F 17/00;systèmes ou méthodes de traitement de données spécialement adaptés à des fins administratives, commerciales, financières, de gestion, de surveillance ou de prévision G06Q;informatique médicale G16H)
A method for producing an at least partially surface-densified metallic toothed element comprising a densified sintering material, in order to improve a strength profile, a preform of the toothed element being produced with a locally selective oversize relative to a final size of the toothed element and being rolled to the final size by means of at least one rolling die, the toothed element being densified in locally varied manner at least in the region of at least one flank and/or one root of a tooth of the toothed element to produce a densified outer layer.
To achieve the object of providing a mixture for producing sinterable mouldings that allows high pressed densities to be obtained in a green compact, a mixture is proposed which comprises at least one metallic material and/or plastics material and at least one pressing aid, the pressing aid comprising about 0.5% to about 60% by weight, based on the total amount of the pressing aid, of at least one amide, and about 40% to about 99.5% by weight, based on the total amount of the pressing aid, of at least one carnauba wax.
To achieve the object of providing a mixture for producing sinterable mouldings that allows high pressed densities to be obtained in a green compact, a mixture is proposed which comprises at least one metallic material and/or plastics material and at least one pressing aid, the pressing aid comprising about 0.5% to about 60% by weight, based on the total amount of the pressing aid, of at least one amide, and about 40% to about 99.5% by weight, based on the total amount of the pressing aid, of at least one carnauba wax.
Method of producing at least partly surface-compacted workpieces (7) with a convex (16; 17) or/and concave surface (14; 15), having a compacted sintered material or a cast or/and forged material, wherein, in order to improve a dimensional accuracy in particular in combination with improved wear resistance, a preform of the workpiece (7) having a locally selective allowance with respect to a final size of the workpiece (7) is produced and rolled to the final size by means of at least one rolling tool (2; 3). In particular, the workpiece (7) is in this case locally varied at least in a section of its surface for producing a compacted marginal layer on a surface. Furthermore, a corresponding device and a method of designing a rolling tool are provided.
To achieve the object of providing a method by which the disadvantages entailed in the production of components from materials that contain aluminium are avoided, a method for alloying aluminium to form components is proposed, the alloying of aluminium taking place by adding an aluminium-containing material, the component being surrounded by at least one means receiving aluminium-containing material and the element that is formed in such a way being sintered. With preference, the component is wrapped in at least one metal nonwoven, an aluminium foil being arranged between the nonwoven and the component.
C23C 10/50 - Aluminisation de la couche superficielle de matériaux ferreux
C23C 10/06 - Diffusion à l'état solide uniquement d'éléments métalliques ou de silicium dans la couche superficielle de matériaux métalliques au moyen de gaz
The invention relates to a method for compressing the surface of a toothed section. Said method is characterized by iteratively calculating the number of compression movements of a form tool to be repeated for compressing the surface of an area of a blank. A possible termination criterion can be the achievement of a specific surface density.
B22F 5/08 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de pièces dentées, p. ex. de pignonsFabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de cames
B21H 5/02 - Fabrication de roues dentées de roues droites
F16H 55/06 - Emploi de matériauxEmploi de traitements d'organes dentés ou de vis sans fin pour modifier les propriétés intrinsèques des matériaux
43.
FORGED TOOTHED SECTION WHICH IS AT LEAST PARTIALLY SURFACE-COMPACTED
B22F 5/08 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de pièces dentées, p. ex. de pignonsFabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de cames
B22F 3/17 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet par forgeage
B21K 1/30 - Fabrication d'éléments de machines de rouesFabrication d'éléments de machines de disques de roues dentées
The invention relates to the surface compression of a work piece that comprises at least one toothed section from a sintered material. The invention is characterized in that a first surface of the work piece is compressed by means of a method different from that used for compressing a second surface of the work piece.
B22F 5/08 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de pièces dentées, p. ex. de pignonsFabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de cames
B21H 5/02 - Fabrication de roues dentées de roues droites
45.
SURFACE-DENSIFIED TOOTHED SECTION FROM A SINTERED MATERIAL AND HAVING SPECIAL TOLERANCES
The invention relates to a method for producing a toothed section from a densified sintered material. The inventive method is characterized by densifying, using iteratively acquired data, a predensified tooth blank in at least one area by at least 0.05 mm on its surface to its final shape, thereby obtaining a quality of the final shape of at least a range of at least fH&agr; = 4, F&agr; = 7 and Ff&agr; = 7.
B22F 5/08 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de pièces dentées, p. ex. de pignonsFabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de cames
B22F 3/16 - Compactage et frittage par des opérations successives ou répétées
B21H 5/02 - Fabrication de roues dentées de roues droites
46.
BLANK GEOMETRY OF AN UNDERSIZED GEAR MADE OF SINTERED MATERIAL
The invention relates to a blank for producing a gear made of sintered material. Said blank is provided with an undersize. The undersize is determined using an iterative calculation and is filled by displacing the adjacent oversized material when the surface is compressed.
B22F 5/08 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de pièces dentées, p. ex. de pignonsFabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de cames
B21H 5/02 - Fabrication de roues dentées de roues droites
Disclosed is a method for producing an at least partly surface-compressed metallic gear element that comprises a compressed sintered material in order to improve a strength curve. A blank of the gear element is produced with a locally selective oversize (701) relative to a final size of the gear element and is rolled by means of at least one rolling tool so as to obtain the final size. The gear element is compressed in a locally varied manner at least in the area of at least one flank (705; 706) and/or one root (704) of a tooth of the gear element in order to create a compressed surface layer.
B22F 5/08 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de pièces dentées, p. ex. de pignonsFabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de cames
B21H 5/02 - Fabrication de roues dentées de roues droites
F16H 55/06 - Emploi de matériauxEmploi de traitements d'organes dentés ou de vis sans fin pour modifier les propriétés intrinsèques des matériaux
48.
AUTOMOTIVE COMPONENT COMPRISING A TOOTHED SECTION HAVING ASYMMETRICAL SURFACE COMPRESSION
The invention relates to an automotive component which comprises at least one toothed section from a sintered material. The toothed section is subjected to an asymmetric surface compression that is adapted to the stress the automotive component is exposed to.
B22F 5/08 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de pièces dentées, p. ex. de pignonsFabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de cames
F16H 55/06 - Emploi de matériauxEmploi de traitements d'organes dentés ou de vis sans fin pour modifier les propriétés intrinsèques des matériaux
The invention relates to a component that comprises a surface-compressed toothed section from a sintered material. The invention is characterized in that the component has a gradient of the sintered materials used when seen from a cross-section of the component. The component is preferably a gearwheel e.g. for rotors or oil pump wheels. Preferably, the gradient is chosen in such a manner that either there is a transitional limit along the entire surface between a first and a second sintered material (step function) or else that there is a gradual transition between the two materials. An example of a method for producing the component is cold or hot pressing, then high-temperature sintering, then surface compression by reversing rolling, then induction or case hardening and finally grinding or honing. The materials used preferably consist of an aluminum or iron alloy.
B22F 5/08 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de pièces dentées, p. ex. de pignonsFabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de cames
The invention relates to a method for producing a toothed section from a densified sintered material and to such a toothed section. The inventive method is characterized by densifying, using iteratively acquired data, a predensified tooth blank at least in one area to its final shape, thereby improving the roughness in the area by at least 400 % as compared to the blank, and adjusting a surface hardness of at least 130 BHN.
B22F 5/08 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de pièces dentées, p. ex. de pignonsFabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser de cames
B22F 3/16 - Compactage et frittage par des opérations successives ou répétées
B21H 5/02 - Fabrication de roues dentées de roues droites
F16H 55/06 - Emploi de matériauxEmploi de traitements d'organes dentés ou de vis sans fin pour modifier les propriétés intrinsèques des matériaux
