Patents Assigned to Friedrich Boysen GmbH & Co. KG
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Patent number: 11814999Abstract: The present invention relates to a mixing apparatus for introducing and distributing a liquid additive into a gas flow, in particular for an exhaust gas system of an internal combustion engine. The mixing apparatus comprises a gas-guiding section for guiding the gas flow and a metering-in device for introducing the additive into a metering-in region of the gas-guiding section. Furthermore, a heating device for actively heating at least one heating section of the gas-guiding section is provided. The heating section is arranged in the metering-in region and/or downstream of the metering-in region. The gas-guiding section has, in the heating section, at least one elevated portion projecting radially into the gas flow for influencing the flow of the gas flow and thus the preparation of the additive.Type: GrantFiled: July 29, 2022Date of Patent: November 14, 2023Assignee: Friedrich Boysen GmbH & Co. KGInventor: Dennis Sailer
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Patent number: 11781462Abstract: A mixer for mixing an exhaust gas flow with a fluid injected into an exhaust gas line comprises means for generating a swirl effecting a rotating flow and means for a radial displacement in the exhaust gas flow admixed with the fluid and flowing axially through the mixer. In this respect, the swirl generation means and the radial displacement means are arranged and designed such that, viewed over the cross-section of the mixer perpendicular to the axial exhaust gas flow, at least two separate swirl regions result which are built up via tangentially acting vane-like swirl elements and at least one respective radial displacement region results which is arranged between two separate swirl regions.Type: GrantFiled: February 14, 2020Date of Patent: October 10, 2023Assignee: Friedrich Boysen GmbH & Co. KGInventors: Stefan Sauer, Bernd Burkhardt, Andreas Haas
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Patent number: 11560855Abstract: A flap device for a motor vehicle comprises a flap housing that can be flowed through by a gas flow; and a flap shaft that is rotatably supported about an axis of rotation in the flap housing by means of at least a first and a second bearing element, which are held at the flap housing, and that carries a flap for selectively blocking or throttling the gas flow. The flap shaft is supported at the first bearing element in a first axial direction via a fixed abutment element that is axially fixedly arranged with respect to the flap shaft.Type: GrantFiled: February 3, 2021Date of Patent: January 24, 2023Assignee: FRIEDRICH BOYSEN GMBH & CO. KGInventors: Michael Edler, Volker Roller, Karl Stockinger
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Patent number: 11220982Abstract: The invention relates to a flap device for controlling a gas flow through a pipe, in particular to an exhaust gas flap device for an exhaust train of a motor vehicle, comprising at least one flap which is arranged in a flap housing, in particular in a tubular flap housing, rotatable, in particular rotatable by a drive unit, about an axis of rotation of a flap shaft between an open position and a closed position, with a spring means being provided which, on a rotation of the flap from the open position into the closed position, tangentially and/or radially elastically loads the flap shaft at the latest in the closed position of the flap, and with at least one section of the spring means being directly or indirectly rotationally fixedly connected to the flap housing with respect to a rotation about the axis of rotation.Type: GrantFiled: February 18, 2020Date of Patent: January 11, 2022Assignee: FRIEDRICH BOYSEN GMBH & CO. KGInventors: Hayri Winter, Volker Roller, Karl Stockinger
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Patent number: 10508579Abstract: A mixer device for introducing and distributing a liquid into a gas flow comprises a mixing chamber which can be flowed through by the gas flow, an overflow pipe which is arranged at least partly in the mixing chamber and which has a jacket surface and a first and a second pipe end, and at least one injector associated with the first pipe end of the overflow pipe to inject the liquid into the overflow pipe. The jacket surface of the overflow pipe has at least one inflow opening through which gas can flow from the mixing chamber into the overflow pipe for a subsequent mixing with the injected fluid. The overflow pipe is configured such that inflowing gas in its interior can have two swirl components of opposite senses imparted onto it.Type: GrantFiled: August 31, 2017Date of Patent: December 17, 2019Assignee: FRIEDRICH BOYSEN GMBH & CO. KGInventors: Michael Fischer, Andres Haas, Stefan Sauer, Dennis Sailer, Bernd Burkhardt
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Patent number: 10364734Abstract: An assembly for an exhaust system comprises a housing having a jacket, an insert arranged in the interior of the housing and having at least one exhaust pipe, wherein the jacket has an opening, in particular a radial opening, through which the exhaust pipe is connectable to the exhaust system, wherein an adapter part is provided that is connected to the exhaust pipe, and wherein the adapter part has a contact section that contacts the inner side of the jacket around the opening.Type: GrantFiled: August 2, 2017Date of Patent: July 30, 2019Assignee: Friedrich Boysen GMBH & Co. KGInventors: Ramazan Sahan, Andreas Roller, Volkmar Knipps
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Patent number: 9905745Abstract: The invention relates to a device for converting thermal energy to electrical energy, comprising at least one thermoelectric module (19) which has an outer surface having a hot side (20) for contacting a heat source and having a cold side (22) for contacting a heat sink, wherein the hot side of the thermoelectric module is thermally conductively connected to a heat source, in particular an exhaust channel (11) of a combustion engine. The device further comprises a cooling channel (25) through which a cooling fluid can flow and which is thermally conductively connected to the cold side of the thermoelectric module. The cooling channel has at least one opening to the cold side of the thermoelectric module and is sealed in a fluid-tight manner around the opening with respect to the hot side of the thermoelectric module.Type: GrantFiled: October 26, 2011Date of Patent: February 27, 2018Assignee: FRIEDRICH BOYSEN GMBH & CO. KGInventors: Roland Gauss, Stefan Hoffmann, Karl Stockinger
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Patent number: 9835068Abstract: The present invention relates to a mixer device for distributing and evaporating a liquid introduced into a gas flow, in particular into an exhaust-gas flow, wherein the mixer device comprises at least one mixer vane (14a) which influences the flow direction of the gas flow. The mixer vane has a first vane (14a?) portion and a second vane portion (14a?) which are arranged in series in the flow direction of the gas flow, which vane portions are designed so that the first vane portion diverts the gas flow approaching the mixer device such that said gas flow has a first swirl component imparted thereto, and so that the second vane portion subsequently diverts the gas flow such that said gas flow has a second swirl component imparted thereto, wherein the first swirl component and the second swirl component oppose one another.Type: GrantFiled: August 17, 2012Date of Patent: December 5, 2017Assignee: FRIEDRICH BOYSEN GMBH & CO. KGInventor: Michael Mueller
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Patent number: 9816413Abstract: A muffler, in particular a rear muffler, for an exhaust gas system of an internal combustion engine, in particular a motor vehicle engine, comprises a housing, in particular a housing having a jacket and two end walls, and comprises at least one first pipe, in particular an inlet or outlet pipe which is in particular led through the jacket and which is connected to a second pipe, in particular to an inner pipe. The second pipe comprises a pipe piece into which a pipe piece of the first pipe led through an opening of an inner support element is plugged in an axially displaceable manner. In this respect, the pipe piece of the first pipe is preferably provided with slits into which nubs engage which are provided at the inner boundary of the opening of the support element. The end section of the first pipe is expanded in its region plugged into the pipe piece of the second pipe to fix the first pipe at the support element.Type: GrantFiled: June 25, 2015Date of Patent: November 14, 2017Assignee: FRIEDRICH BOYSEN GMBH & CO., KGInventors: Jurgen Schmidt, Georg Turowski
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Patent number: 9540982Abstract: In an exhaust train for an internal combustion engine having an integrated thermoelectric generator, the exhaust train has at least one duct, through which exhaust gas flows and in which at least one thermoelectric module is arranged in such a way that the hot side of the thermoelectric module is in direct contact with the exhaust gas, while the cold side of the thermoelectric module is cooled by means of a heat transfer medium.Type: GrantFiled: March 16, 2012Date of Patent: January 10, 2017Assignees: BASF SE, Friedrich Boysen GmbH & Co. KGInventors: Juergen Moors, Martin Gaertner, Georg Degen, Henry Bosch, Roland Gauss, Karl Stockinger
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Patent number: 9453444Abstract: An apparatus for distributing fluids in an exhaust system of an internal combustion engine. The apparatus includes an injection device, wherein a combination of a plurality of individual measures for achieving a uniform mixing of the fluids with the exhaust gas and a complete vaporizing of the fluids in the exhaust gas is provided. The individual measure comprises at least one of at least one swirl-generating device and at least one mixing apparatus. The individual measure also includes at least one catalyst. The individual measure further includes an injection nozzle of the injection device which is arranged at a predefined spacing from a wall of the exhaust tract.Type: GrantFiled: October 27, 2011Date of Patent: September 27, 2016Assignee: FRIEDRICH BOYSEN GMBH & CO. KGInventors: Michael Fischer, Michael Müller, Jürgen Schmidt
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Publication number: 20160061078Abstract: An exhaust gas system of an internal combustion engine comprises a pipe section which is disposed in the exhaust train of the exhaust gas system and to which a main fluid containing an exhaust gas is supplied, in particular at an angle to the flow axis of the pipe section. The exhaust gas system comprises a device for injecting a further fluid, in particular a water-urea mixture or a liquid fuel, into the pipe section. Means, in particular stationary means, for generating a swirl by which the spray cone of the injected further fluid is preferably set up are provided in the inlet region of the pipe section.Type: ApplicationFiled: September 3, 2015Publication date: March 3, 2016Applicant: FRIEDRICH BOYSEN GMBH & CO. KGInventors: Jürgen Schmidt, Dennis Sailer, Stefan Sauer
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Publication number: 20160032794Abstract: A flap valve device for controlling a gas flow through a tubular duct includes a valve flap which is rotatably supported at a valve housing by a valve shaft. At least two rotary bearings are provided for supporting the valve flap at the valve housing and are received in respective bearing domes. The bearing domes are arranged in the region of respective shaft leadthroughs of the valve housing which are provided for the valve shaft. At least one of the bearing domes is designed as a shaped sheet metal part separate from the valve housing.Type: ApplicationFiled: July 30, 2015Publication date: February 4, 2016Applicant: Friedrich Boysen GmbH & Co. KGInventors: Michael Fischer, Hayri Winter
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Patent number: 9234448Abstract: A muffler for an exhaust gas system of an internal combustion engine, the muffler including a muffler housing, at least one exhaust gas inlet, at least one gas outlet and at least one muffling device arranged in the muffler housing. At least one cooling element arranged in the muffler housing is configured to extract heat energy from the exhaust gas and is arranged in the muffler housing.Type: GrantFiled: August 2, 2011Date of Patent: January 12, 2016Assignee: FRIEDRICH BOYSEN GMBH & CO. KGInventors: Jürgen Schmidt, Michael Herbig
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Patent number: 9133962Abstract: The invention relates to an exhaust gas system component for an internal combustion engine, in particular for an automotive engine of a commercial vehicle, having a plurality of mutually connected exhaust gas system elements which can be flowed through by the exhaust gas of the internal combustion engine, characterized in that the exhaust gas system elements are supported in a first frame and in a second frame spaced apart therefrom and connection struts fixedly connect the frames to one another.Type: GrantFiled: October 4, 2013Date of Patent: September 15, 2015Assignee: Friedrich Boysen GmbH & Co. KGInventors: Jurgen Schmidt, Reiner Mertens, Michael Schleh, Thorsten Mohr, Frank Buhler
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Publication number: 20140345662Abstract: The invention relates to a device for converting thermal energy to electrical energy, comprising at least one thermoelectric module (19) which has an outer surface having a hot side (20) for contacting a heat source and having a cold side (22) for contacting a heat sink, wherein the hot side of the thermoelectric module is thermally conductively connected to a heat source, in particular an exhaust channel (11) of a combustion engine. The device further comprises a cooling channel (25) through which a cooling fluid can flow and which is thermally conductively connected to the cold side of the thermoelectric module. The cooling channel has at least one opening to the cold side of the thermoelectric module and is sealed in a fluid-tight manner around the opening with respect to the hot side of the thermoelectric module.Type: ApplicationFiled: October 26, 2011Publication date: November 27, 2014Applicant: Friedrich Boysen GmbH & Co. KGInventors: Roland Gauss, Stefan Hoffmann, Karl Stockinger
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Publication number: 20140096856Abstract: The invention relates to an exhaust gas system component for an internal combustion engine, in particular for an automotive engine of a commercial vehicle, having a plurality of mutually connected exhaust gas system elements which can be flowed through by the exhaust gas of the internal combustion engine, characterized in that the exhaust gas system elements are supported in a first frame and in a second frame spaced apart therefrom and connection struts fixedly connect the frames to one another.Type: ApplicationFiled: October 4, 2013Publication date: April 10, 2014Applicant: FRIEDRICH BOYSEN GMBH & CO. KGInventors: Jurgen SCHMIDT, Reiner MERTENS, Michael SCHLEH, Thorsten MOHR, Frank BUHLER
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Publication number: 20140069478Abstract: An apparatus for converting thermal energy into electrical energy comprises at least one thermoelectric module which has a hot side provided for a contact with a heat source and a cold side provided for a contact with a heat sink, a heating passage which can be flowed through by a hot fluid and which is in thermoconductive communication with the hot side of the thermoelectric module, and a cooling passage which can be flowed through by a cooling fluid and which is in thermoconductive communication with the cold side of the thermoelectric module. Provision is made that the cooling passage has at least one cooling passage opening facing toward the cold side of the thermoelectric module and/or that the heating passage has at least one heating passage opening facing toward the hot side of the thermoelectric module. The thermoelectric module is covered by a layer or film of an electrically insulating material at least in the region of the cooling passage opening and/or of the heating passage opening.Type: ApplicationFiled: September 11, 2013Publication date: March 13, 2014Applicant: FRIEDRICH BOYSEN GMBH & CO. KGInventors: Roland GAUSS, Karl STOCKINGER
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Publication number: 20140033686Abstract: An apparatus for distributing fluids in an exhaust system of an internal combustion engine. The apparatus includes an injection device, wherein a combination of a plurality of individual measures for achieving a uniform mixing of the fluids with the exhaust gas and a complete vaporizing of the fluids in the exhaust gas is provided. The individual measure comprises at least one of at least one swirl-generating device and at least one mixing apparatus. The individual measure also includes at least one catalyst. The individual measure further includes an injection nozzle of the injection device which is arranged at a predefined spacing from a wall of the exhaust tract.Type: ApplicationFiled: October 27, 2011Publication date: February 6, 2014Applicant: Friedrich Boysen GmbH & Co. KGInventors: Michael Fischer, Michael Müller, Jürgen Schmidt
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Publication number: 20140000249Abstract: In an exhaust train for an internal combustion engine having an integrated thermoelectric generator, the exhaust train has at least one duct, through which exhaust gas flows and in which at least one thermoelectric module is arranged in such a way that the hot side of the thermoelectric module is in direct contact with the exhaust gas, while the cold side of the thermoelectric module is cooled by means of a heat transfer medium.Type: ApplicationFiled: March 16, 2012Publication date: January 2, 2014Applicants: Friedrich Boysen GmbH & Co. KG, BASF SEInventors: Juergen Moors, Martin Gaertner, Georg Degen, Henry Bosch, Roland Gauss, Karl Stockinger