| Patent application number | Description | Published |
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| 20100192921 | FUEL PUMP, IN PARTICULAR FOR A FUEL SYSTEM OF A PISTON ENGINE - A fuel pump according to the invention includes a housing and a part, which is a moving part during operation and which bears on a housing region at least indirectly. It is proposed that the fuel pump includes a coating which is applied to the housing region on a side of the housing region which faces towards the moving part, and that the coating is composed of a plastic. | 08-05-2010 |
| 20110175440 | PRESSURE CONTROL VALVE ARRANGEMENT HAVING DIAPHRAGM VALVES FOR CONTROLLING A FLUID PRESSURE IN AN ABS BRAKE SYSTEM OF A VEHICALE, HAVING DIAPHRAGMS ARRANGED IN PARALLEL PLANES OR COPLANAR FASHION - A pressure control valve arrangement is described for controlling the fluid pressure in an ABS brake system of a vehicle in such a manner that, in the event of a tendency of individual wheels of the vehicle to lock, the brake pressure in associated brake cylinders can be adaptively adjusted, at least two diaphragm valves which have diaphragms loaded by spring elements, as well as at least one electromagnetic control valve which can be activated by an electronic control device for the pilot control of the diaphragm valves. Also described is a method for producing the pressure control valve arrangement. | 07-21-2011 |
| 20120175942 | PRESSURE CONTROL VALVE ARRANGEMENT HAVING A PRESSURE MEDIUM CHANNEL OF OVAL CROSS-SECTION - A pressure control valve arrangement is described for controlling a fluid pressure in an ABS brake system of a vehicle such that, in the event of a tendency of individual wheels of the vehicle to lock, the brake pressure in at least one associated brake cylinder can be adaptively adjusted, including: a housing in which is formed at least one pressure-medium-conducting pressure medium duct and in which is provided a diversion of the flow of the pressure medium within the pressure medium duct from a portion of the pressure medium duct leading in one direction into a portion of the pressure medium duct leading in another direction, in which the pressure medium duct is produced together with the housing by primary forming, and in which the cross section of the pressure medium duct is oval and the major dimension of the oval cross section and the central axis of the pressure medium duct are arranged in a common plane, and the minor dimension of the oval cross section is perpendicular to the plane. | 07-12-2012 |
| 20120175943 | PRESSURE CONTROL VALVE ARRANGEMENT HAVING AN ECCENTRICALLY MOUNTED DOUBLE MAGNET - A pressure control valve arrangement is described for controlling the fluid pressure in an ABS brake system of a vehicle so that, during a tendency of individual wheels of the vehicle to lock, the brake pressure in at least one assigned brake cylinder can be matched adaptively, a) two diaphragm valves and two electromagnetic control valves, activatable by an electronic control device, for the pilot control of the diaphragm valves being provided in the housing of the pressure control valve arrangement, b) the two electro-magnetic control valves having a double magnet with two magnet coils and also magnet armatures cooperating with solenoid valve seats and actuable by current being applied to the magnet coils, c) the housing having at least one pressure medium connection, connected to a service brake valve, for acting with pressure upon and/or relieving the pressure of the pressure control valve arrangement and also at least one working connection for connecting to the brake cylinder, characterized in that d) a plane of symmetry of the mid-axes of the magnet coils of the double magnet of the electromagnetic control valves is arranged parallel, and offset by the amount of an eccentricity, with respect to a mid-axis of the pressure medium connection. | 07-12-2012 |
| 20120175944 | PRESSURE CONTROL VALVE ARRANGEMENT HAVING COVERS THAT ARE PRODUCED AS A COMPLETELY INTEGRAL PART WITH TRANSVERSE CHANNELS BY PRIMARY SHAPING - A pressure control valve arrangement is described for controlling the fluid pressure in an ABS brake system of a vehicle in such a way that, while there is a tendency of individual wheels of the vehicle to lock, the brake pressure in at least one associated brake cylinder can be adaptively adjusted, wherein at least one diaphragm valve is accommodated in a housing of the pressure control valve arrangement, said diaphragm valve having a diaphragm as the valve body, which diaphragm can be acted upon by introducing a pressure medium into a control chamber that is covered on the outside of the housing by a respective cover produced by primary shaping, such as injection molding, in such a way that the control chamber is formed between the diaphragm and the cover, and wherein blind holes, which extend in the cover substantially perpendicularly to the plane of the cover, are formed in the cover, the blind hole opening of at least one of said blind holes leading into the control chamber, and the blind hole opening of at least one other of said blind holes leading into a pressure medium channel formed in the housing, and at least one and the other of said blind holes being fluidically interconnected by at least one transverse channel, characterized in that the transverse channel has an acute angle relative to the plane of the cover and opens at one end, by a transverse channel opening, into the control chamber or into the pressure medium channel, wherein the transverse channel opening at least partially overlaps the blind hole opening of one of the blind holes connected by the transverse channel. | 07-12-2012 |
| 20120181852 | PRESSURE CONTROL VALVE ARRANGEMENT HAVING PRESSURE MEDIUM GUIDING SURFACE INTEGRALLY FORMED ONTO A PROJECTION OF THE COVER - A pressure control valve arrangement for controlling a fluid pressure in an ABS brake system of a vehicle so that, while there is a tendency of individual wheels of the vehicle to lock, the brake pressure in at least one associated brake cylinder can be adaptively adjusted, including: a housing; and at least one diaphragm valve is accommodated in the housing, the diaphragm valve having a diaphragm as the valve body, which diaphragm can be acted upon by introducing pressure medium into a control chamber that is covered on the outside of the housing by a cover so that the control chamber is formed between the diaphragm and the cover, wherein at least one pressure medium channel carrying pressure medium is formed in the housing in the region of the cover, wherein at least one cover has at least one projection projecting into the pressure medium channel in the housing, a pressure medium guiding surface for directing the flow of the pressure medium carried in the pressure medium channel being formed on the projection. | 07-19-2012 |
| Patent application number | Description | Published |
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| 20080258346 | COMPOSITE POWDER, USE IN A SHAPING PROCESS, AND MOULDINGS PRODUCED FROM THIS POWDER - The present invention relates to a composite powder of polymer powder and porous glass beads, and to the use of this composite powder for shaping processes, and also to mouldings produced from this composite powder. | 10-23-2008 |
| 20080300353 | LASER SINTER POWDER WITH METAL SOAPS, PROCESS FOR ITS PRODUCTION, AND MOLDINGS PRODUCED FROM THIS LASER SINTER POWDER - A sinter powder containing a polyamide and metal soaps, in particular particles of a salt of an alkanemonocarboxylic acid. A process for laser sintering, and to moldings produced from the sinter powder. The moldings formed using the powder have advantages in appearance and in surface finish when recyclability in the selective laser sintering (SLS) process is taken into account. Moldings produced from recycled sinter powder have improved mechanical properties, in particular in the modulus of elasticity and tensile strain at break. | 12-04-2008 |
| 20090088508 | POWDERY COMPOSITION OF A POLYMER AND A FLAMEPROOFING AGENT CONTAINING AMMONIUM POLYPHOSPHATE, METHOD FOR THE PRODUCTION THEREOF, AND MOULDED BODY PRODUCED FROM SAID POWDER - The present invention relates to a powder which, in addition to a polymer, comprises a flame retardant based on ammonium polyphosphate, to the use of this powder for the layer-by-layer production of moldings, and also to moldings produced from this powder. The moldings constructed using the inventive powder have marked advantages with regard to their flammability, when comparison is made with conventional products, and this permits use in aircraft, for example. | 04-02-2009 |
| 20090236775 | COPOLYAMIDE POWDER AND ITS PREPARATION, USE OF COPOLYAMIDE POWDER IN A SHAPING PROCESS AND MOULDINGS PRODUCED FROM THIS COPOLYAMIDE POWDER - A task often encountered in very recent times is the rapid provision of prototypes. Particularly suitable processes are those based on pulverulent materials and in which the desired structures are produced layer-by-layer through selective melting and solidification. The invention provides the constitution, production and use of a copolyamide powder which was produced using the following monomer units: a) laurolactam or ω-aminoundecanoic acid, and also b) dodecanedioic acid, and either c) decanediamine or dodecanediamine, in shaping processes, and also to mouldings produced through a layer-by-layer process which selectively melts regions of a powder layer, using this specific powder. Once the regions previously melted layer-by-layer have been cooled and solidified, the moulding can be removed from the powder bed. The mouldless layer-by-layer processes for the production of components using the copolyamide powder result in simplified and more reliable conduct of the process and better recyclability. | 09-24-2009 |
| 20100324190 | POWDERY COMPOSITION OF A POLYMER AND A FLAMEPROOFING AGENT CONTAINING AMMONIUM POLYPHOSPHATE, METHOD FOR THE PRODUCTION THEREOF, AND MOULDED BODY PRODUCED FROM SAID POWDER - A pulverulent composition that is a powder containing at least one polymer, and at least one flame retardant that contains ammonium polyphosphate, the powder having a maximum particle size of ≦150 μm and a median particle size of from 20 to 100 μm. | 12-23-2010 |
| 20110118410 | COMPOSITE POWDER, USE IN A SHAPING PROCESS, AND MOULDINGS PRODUCED FROM THIS POWDER - The present invention relates to a composite powder which comprises polymer powder and porous glass beads, and to the use of this composite powder for shaping processes, and also to mouldings produced from this composite powder. | 05-19-2011 |
| 20110130515 | POLYMER POWDER COMPRISING A COPOLYMER, USE IN A SHAPING METHOD WHICH USES A NON-FOCUSED APPLICATION OF ENERGY AND MOULDED BODY THAT IS PRODUCED FROM SAID POLYMER POWDER - A molding produced by a layer-by layer process of selectively melting regions of a respective pulverulent layer via unfocused introduction of electromagnetic energy, using a polymer powder, where the powder has at least one thermoplastic random copolymer with an ISO 1133 MFR value of from 12 to 1 g/10 min. | 06-02-2011 |
| 20110252618 | APPARATUS FOR REDUCING THE SIZE OF THE LOWER CONSTRUCTION CHAMBER OF A LASER SINTERING INSTALLATION - An apparatus for the reduction in size of the lower construction chamber of a laser sintering installation is provided. Also provided is a method to reduce the size of the lower construction chamber of a laser sintering installation by insertion of the apparatus of the invention. The invention thereby provides for reduction in the demand for material for specific laser sintering requirements. In addition, a new degree of sintering process control is obtained when the apparatus contains heating or cooling units. | 10-20-2011 |
| 20120041132 | POLYMER POWDER COMPRISING POLYAMIDE USE THEREOF IN A MOULDING METHOD AND MOULDED BODY MADE FROM SAID POLYMER POWDER - A molding, produced by a layer-by-layer process in which regions of respective polymer pulverulent layers are selectively melted via introduction of electromagnetic energy, where the process employs a powder which comprises at least one homopolyamide prepared via polycondensation of diamines and dicarboxylic acids, wherein the homopolyamide has an enthalpy of fusion of at least 125 J/g and a recrystallization temperature of at least 148° C. | 02-16-2012 |
| 20120202012 | PROCESS FOR THE PRODUCTION OF A THREE DIMENSIONAL SYSTEM - A process for the layer-by-layer production of three-dimensional objects, through selective melting and solidification of pulverulent substrates is provided. According to the process the construction chamber is inertized with an inertizing gas which is of higher density than air. An apparatus for conducting the process is also provided. | 08-09-2012 |
