Patents by Inventor Stefan Harke
Stefan Harke has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250035175Abstract: A brake element for a motor vehicle, having a base body that is planar at least in areas, to the planar sides of which at least two build-up layers are applied in each case, at least in areas. The build-up layers form a surface which, in the mounted state of the brake element on the motor vehicle, is used as a friction surface for a brake pad. A first build-up layer is present that adjoins the base body, and a second build-up layer is applied to the first build-up layer. The second build-up layer is made of a composite of an iron alloy matrix with intercalated tungsten carbide particles or with intercalated titanium carbide particles. At least the first build-up layer is an iron alloy that is alloyed at least with molybdenum in a range of 3 to 20 weight percent.Type: ApplicationFiled: July 24, 2024Publication date: January 30, 2025Applicant: Volkswagen AktiengesellschaftInventors: Stefan RICHTER, Fabian BEHM, Markus HARKE, Klaus Stefan KLIMEK
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Patent number: 10380924Abstract: The invention relates to an illuminable display element, in particular for a vehicle, which display element comprises a planar cover (1). The planar cover has a visible side (10), a rear side (11), and at least one opening (14). The display element also comprises at least one graphic element (2), which is provided and/or formed on the visible side (10) of the cover (1), and a lighting means (3), which is used to illuminate the opening (14). The graphic element (2) is at least partially surrounded by the at least one opening (14) in such a way the graphic element (2) can be at least partially peripherally illuminated by the light of the lighting means (3). The cover (1) comprises at least one elevation (12) extending upward, within which the graphic element (2) is arranged above the at least one opening (14), and/or the cover (1) comprises at least one recess (13) extending downward, within which the graphic element (2) is arranged below the at least one opening (14).Type: GrantFiled: January 31, 2014Date of Patent: August 13, 2019Assignee: WEISPLAS GmbHInventors: Martin Boppart, Steffen Reuter, Stefan Harke
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Patent number: 10195922Abstract: A motor vehicle (1) with a passenger compartment (3) and a motor chamber (2). A substantially closed area (7) is arranged in the motor chamber (2), and the area (7) is connected to the passenger compartment (3) via at least one first air outlet opening (18) in order to supply air from the area (7) into the passenger compartment (3). The area (7) is additionally connected to the air outside of the motor vehicle (1) via at least one air inlet opening (13) in order to supply air from outside of the motor vehicle into the area (7). Furthermore, the area (7) is connected to at least one second air outlet opening (14) in order to discharge air out of the area (7).Type: GrantFiled: September 30, 2014Date of Patent: February 5, 2019Assignee: WEIDPLAS GmbHInventors: Piero Dal Vecchio, Armin Muller, Christian Bolsterli, Stefan Harke
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Publication number: 20180147514Abstract: The invention relates to a motor vehicle having a water tank (10) with a first inner chamber (23) for separating and conducting away water from a first air flow (15) flowing through the first inner chamber (23). The water tank (10) is designed as a heat exchanger, comprising a heat exchanger element (20) for transferring thermal energy between the first air flow (15) and a second air flow (50). At least one guide structure (8) is provided for guiding the second air flow to the heat exchange element (20) in a targeted manner. In addition, at least one control element (34) is provided, with which the transfer of the thermal energy between the first air flow (15) and the second air flow (50) can be enabled in a first operating state, and can be at least partially inhibited in a second operating state.Type: ApplicationFiled: April 19, 2016Publication date: May 31, 2018Applicant: WEIDPLAS GmbHInventors: Stefan HARKE, Armin MÜLLER, Piero DAL VECCHIO
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Patent number: 9802458Abstract: A car having a water box comprising an outer face, an inner face, an air inlet opening, an air outlet opening and a water outlet opening. The inner face forms a water separating space that is connected to the air inlet and outlet openings and the water outlet opening. The water outlet opening discharges water out of the separating space. An air conditioner is connected to the air outlet opening to feed air from the water box into the air conditioner. An air feeding unit sucks the air into the air conditioner via the air inlet opening. The air feeding unit is designed as a suction fan. The water box comprises a wall that comprises fibers forming a non-woven fabric i.e. felt.Type: GrantFiled: February 21, 2013Date of Patent: October 31, 2017Assignee: WEIDPLAS GMBHInventor: Stefan Harke
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Patent number: 9623718Abstract: A water chamber (10) for a motor vehicle (1) having a wall (13, 20, 21) which defines a first interior (23). The water chamber (10) has at least one air inlet opening (9), through which air can flow into the first interior (23), and at least one air outlet opening (25), through which air can flow out of the first interior (23). A water outlet opening (17) is present that is suitable for removing water from the first interior (23). The water chamber (10) is designed as a heat exchanger, comprising a heat exchange element (13, 20, 21; 16?), which is used to transfer thermal energy from exhaust air into the first interior (23). The water chamber also has a structure (8, 26, 27, 40; 8?) that is used to direct exhaust air to the heat exchange element (13, 20, 21; 16?).Type: GrantFiled: April 26, 2013Date of Patent: April 18, 2017Assignee: WEIDPLAS GmbHInventor: Stefan Harke
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Publication number: 20160288623Abstract: A motor vehicle (1) with a passenger compartment (3) and a motor chamber (2). A substantially closed area (7) is arranged in the motor chamber (2), and the area (7) is connected to the passenger compartment (3) via at least one first air outlet opening (18) in order to supply air from the area (7) into the passenger compartment (3). The area (7) is additionally connected to the air outside of the motor vehicle (1) via at least one air inlet opening (13) in order to supply air from outside of the motor vehicle into the area (7). Furthermore, the area (7) is connected to at least one second air outlet opening (14) in order to discharge air out of the area (7).Type: ApplicationFiled: September 30, 2014Publication date: October 6, 2016Applicant: WEIDPLAS GmbHInventors: Piero DAL VECCHIO, Armin MULLER, Christian BOLSTERLI, Stefan HARKE
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Publication number: 20160236534Abstract: The invention relates to a not vehicle (1), comprising a passenger compartment (2) and an engine compartment (26), wherein the passenger compartment (2) is separated from the engine compartment (26) by a firewall (25), and comprising an air-conditioning system (3) for heating and/or cool:flag the passenger compartment (2). The air-conditioning system comprises a compressor (6), an expansion valve (5), a first heat exchanger (4), and at least one second heat exchanger (7), which are fluidically connected to each other by means of a heat-transfer medium, and a first conducting structure (8) for conducting a first air flow (11) from an outer body opening (3) into the first heat exchanger (4), which first heat exchanger is suitable for providing energy exchange between the heat-transfer medium and the first air flow (11), wherein the first heat exchanger (4) is connected to the passenger compartment (2) in order to feed the first air flow (11) into the passenger compartment (2).Type: ApplicationFiled: September 30, 2014Publication date: August 18, 2016Applicant: WEIDPLAS GmbHInventors: Piero DAL VECCHIO, Stefan HARKE, Armin MULLER, Christian BOLSTERLI
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Publication number: 20150356895Abstract: The invention relates to an illuminable display element, in particular for a vehicle, which display element comprises a planar cover (1). The planar cover has a visible side (10), a rear side (11), and at least one opening (14). The display element also comprises at least one graphic element (2), which is provided and/or formed on the visible side (10) of the cover (1), and a lighting means (3), which is used to illuminate the opening (14). The graphic element (2) is at least partially surrounded by the at least one opening (14) in such a way the graphic element (2) can be at least partially peripherally illuminated by the light of the lighting means (3). The cover (1) comprises at least one elevation (12) extending upward, within which the graphic element (2) is arranged above the at least one opening (14), and/or the cover (1) comprises at least one recess (13) extending downward, within which the graphic element (2) is arranged below the at least one opening (14).Type: ApplicationFiled: January 31, 2014Publication date: December 10, 2015Applicant: WEIDPLAS GmbHInventors: Martin BOPPART, Steffen REUTER, Stefan HARKE
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Publication number: 20150151606Abstract: The invention relates to a water chamber (10) for a motor vehicle (1), which water chamber has a wall (13, 20, 21), which defines a first interior (23). The water chamber (10) also has at least one air inlet opening (9), through which air can flow into the first interior (23), and at least one air outlet opening (25), through which air can flow out of the first interior (23). A water outlet opening (17) is also present, which is suitable for removing water from the first interior (23). The water chamber (10) is designed as a heat exchanger, comprising a heat exchange element (13, 20, 21; 16?), which is used to transfer thermal energy from exhaust air into the first interior (23). The water chamber also has a structure (8, 26, 27, 40; 8?) that is used to conduct exhaust air to the heat exchange element (13, 20, 21; 16?) in a controlled manner.Type: ApplicationFiled: April 26, 2013Publication date: June 4, 2015Applicant: WEIDMANN PLASTICS TECHNOLOGY AGInventor: Stefan Harke
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Publication number: 20150013372Abstract: A car having a water box comprising an outer face, an inner face, an air inlet opening, an air outlet opening and a water outlet opening. The inner face forms a water separating space that is connected to the air inlet and outlet openings and the water outlet opening. The water outlet opening discharges water out of the separating space. An air conditioner is connected to the air outlet opening to feed air from the water box into the air conditioner. An air feeding unit sucks the air into the air conditioner via the air inlet opening. The air feeding unit is designed as a suction fan. The water box comprises a wall that comprises fibers forming a non-woven fabric i.e. felt.Type: ApplicationFiled: February 21, 2013Publication date: January 15, 2015Applicant: WEIDMANN PLASTICS TECHNOLOGY AGInventor: Stefan Harke
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Publication number: 20090254298Abstract: In order to determine at least one surface temperature of an outside of a cooling body (2) at a time xn, at least one temperature measuring device (3) is used to measure the temperature at least one surface point of the outside of the body (2) at at least two different times after the production or processing method which was used to produce or process the body (2) has been concluded. On the basis of the temperatures measured, a temperature/time function (17) is calculated using regression analysis. The surface temperature at the time xn, which is before the at least two different times, is determined using the temperature/time function (17). The temperature at the time xn is used to optimize the production or processing method from which the body (2) results.Type: ApplicationFiled: July 11, 2007Publication date: October 8, 2009Applicant: Weidmann Plastics Technology AGInventor: Stefan Harke
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Patent number: 7420016Abstract: In order, in the case of a moulding composition for the production of sanitary-ware components, comprising a methyl-methacrylate-based syrup and from 50 to 85%, expressed in terms of the moulding composition, of an inorganic filler, to obtain an improvement in the scratch-proofness and the abrasion resistance of the shaped components which are obtained therefrom, it is proposed that the composition furthermore comprise elastomer particles or elastomer particle aggregates having a particle size <100 ?m in an amount in the range of 5% by weight to <20% by weight, expressed in terms of the mass of the syrup.Type: GrantFiled: August 11, 2006Date of Patent: September 2, 2008Assignee: BLANCO GmbH + Co KGInventors: Andreas Hajek, Thomas Heck, Stefan Harke, Thomas Wilhelm
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Publication number: 20070037921Abstract: In order, in the case of a moulding composition for the production of sanitary-ware components, comprising a methyl-methacrylate-based syrup and from 50 to 85%, expressed in terms of the moulding composition, of an inorganic filler, to obtain an improvement in the scratch-proofness and the abrasion resistance of the shaped components which are obtained therefrom, it is proposed that the composition furthermore comprise elastomer particles or elastomer particle aggregates having a particle size<100 ?m in an amount in the range of 5% by weight to <20% by weight, expressed in terms of the mass of the syrup.Type: ApplicationFiled: August 11, 2006Publication date: February 15, 2007Inventors: Andreas Hajek, Thomas Heck, Stefan Harke, Thomas Wilhelm
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Patent number: 6841253Abstract: In order to obtain curable molding compositions and shaped plastics articles produced therefrom which have an improved hot-pot resistance, it is proposed that a curable molding composition for the production of shaped plastics articles contains, in addition to a liquid monomeric acrylate component and a particulate inorganic material, the latter in a concentration ranging from 45 to 85 wt % and preferably from 55 to 75 wt %, based on the molding composition, an additional portion comprising a particulate hydrophobic and/or oleophobic plastics material in a concentration of 0.5 wt % or more.Type: GrantFiled: April 11, 2002Date of Patent: January 11, 2005Assignees: Blanco GmbH & Co. KG, Schock & Co. GmbHInventors: Andreas Hajek, Stefan Harke, Josef Geier, Klaus Hock
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Patent number: 6664314Abstract: In order to provide a moulding composition which makes it possible to form shaped components having not only one but two or more visible sides, it is proposed that this composition comprise a methyl-methacrylate-based syrup and up to 85%, expressed in terms of the moulding composition, of an inorganic filler, and that the moulding composition comprise deformable, propellant-filled hollow microspheres having a plastic wall which is essentially insoluble in methyl methacrylate, the proportion by volume of the hollow microspheres to the total volume of the moulding composition being in the 5 to 50 vol. % range.Type: GrantFiled: September 18, 2000Date of Patent: December 16, 2003Assignee: Blanco GmbH & Co KGInventors: Andreas Hajek, Thomas Wilhelm, Stefan Harke
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Publication number: 20030075834Abstract: In order to obtain curable molding compositions and shaped plastics articles produced therefrom which have an improved hot-pot resistance, it is proposed that a curable molding composition for the production of shaped plastics articles contains, in addition to a liquid monomeric acrylate component and a particulate inorganic material, the latter in a concentration ranging from 45 to 85 wt % and preferably from 55 to 75 wt %, based on the molding composition, an additional portion comprising a particulate hydrophobic and/or oleophobic plastics material in a concentration of 0.5 wt % or more.Type: ApplicationFiled: April 11, 2002Publication date: April 24, 2003Inventors: Andreas Hajek, Stefan Harke, Josef Geier, Klaus Hock
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Patent number: 5800910Abstract: To improve the resistance to scratching of plastic molded articles comprising a polymer matrix filled with inorganic fillers, the filler content being 50 to 90% by weight in relation to the filled matrix, it is suggested that the filler comprise two filler fractions (a) and (b), wherein the filler fraction (a) has a particle size distribution with 98% by weight of the particles having a particle size .ltoreq.150 .mu.m and is distributed essentially uniformly in the polymer matrix, and wherein the filler fraction (b) comprises particles having a particle size of approximately 300 .mu.m to approximately 3000 .mu.m, wherein the proportion of the filler fraction (b) is approximately 1 to 35% by weight of the total filler content, and wherein the proportion of the filler fraction (b) in an outer surface layer of the molded article is enriched to at least 30% by weight in relation to the total mass of the filled matrix.Type: GrantFiled: August 28, 1996Date of Patent: September 1, 1998Assignees: Blanco GmbH & Co. KG, Schock & Co. GmbHInventors: Stefan Harke, Stefanie Grathwohl, Rudolf Paternoster, Thomas Wilhelm, Klaus Hock, Werner Fenzl
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Patent number: 5753741Abstract: In a casting composition comprising a curable syrup which contains a liquid monomer and polymer components optionally dissolved therein, and an inorganic filler which includes a quartz sand product, in order to simplify the production of white molded articles, it is proposed that a product, the individual grain of which consists in the core essentially of quartz and at the surface essentially of .alpha.-cristobalite (low-temperature modification) be selected as quartz sand product.Type: GrantFiled: May 19, 1997Date of Patent: May 19, 1998Assignees: Blanco GmbH & Co. KG, Schock & Co. GmbHInventors: Stefan Harke, Stephanie Grathwohl, Klaus Hock, Rudolf Paternoster, Werner Fenzl, Norbert Fenten
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Patent number: 5710204Abstract: In a castable, curable composition for producing plastic molded articles, comprising a sirup containing a proportion of acrylic acid monomer and/or derivatives thereof, in order to achieve an improved boiling resistance of the plastic molded articles produced from the composition, it is proposed that a proportion of a further component of the formula (I) ##STR1## which contains an ethylenically unsaturated group of the formula (II)--R.sub.5 --R.sub.6 (II)and/or contains a group of the formula (III) ##STR2## be added. The sirup may also optionally contain a proportion of a prepolymer, in particular PMMA, and, in addition, a particulate, inorganic filler in a proportion of 50 to 90% by weight in relation to the total composition, pigments and a radical initiator system are contained in the sirup. The viscosity of the total composition is .ltoreq.100 Pa.multidot.Type: GrantFiled: September 20, 1996Date of Patent: January 20, 1998Assignees: Blanco GmbH & Co. KG, Schock & Co. GmbHInventors: Stefan Harke, Stefanie Grathwohl, Rudolf Paternoster, Thomas Wilhelm, Klaus Hock, Werner Fenzl