Patents by Inventor Arnulf Spieth
Arnulf Spieth 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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Patent number: 9249713Abstract: The present invention relates to a component (1) for a motor vehicle (5), particularly an exhaust system, which can be fastened to a carrier (4) of the motor vehicle (5) by means of at least one fixture (3), with a component housing (2) comprising a housing wall (6), wherein the respective fixture (3) comprises at least one holder (8) having an inner leg (9) extending parallel to the housing wall (6) and an outer leg (10) standing away from the housing wall (6) to the outside. The fatigue strength of the fixture (3) can be improved if the housing wall (6) comprises a passage opening (7), through which the outer leg (10) protrudes, while the inner leg (9) areally bears against the housing wall (6) in the interior (11) of the component housing (2).Type: GrantFiled: November 30, 2011Date of Patent: February 2, 2016Assignee: Eberspaecher Exhaust Technology GmbH & Co. KGInventor: Arnulf Spieth
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Publication number: 20150337712Abstract: A heat exchanger, for an exhaust gas system (5) of an internal combustion engine (1), includes a thermoelectric module (13), converting thermal energy into electrical energy, having a hot side (17) and a cold side (18). A cooling pipe (15), for a cooling fluid, is arranged on the cold side (18) and a heating pipe (16) for a heating fluid, is arranged on the hot side (17). The cooling pipe (15) and the heating pipe (16) are stacked with the thermoelectric module (13) in a stacking direction (19) and form a stack (20). The heat transfer within the stack (20) is improved with at least one of the pipes (15, 16) being curved toward the thermoelectric module (13) at an outer pipe face (26) and with the thermoelectric module (13) curved toward the pipe (15, 16) at an outer module face (27) facing the particular pipe (15, 16).Type: ApplicationFiled: June 21, 2013Publication date: November 26, 2015Inventors: Jörg OESTERLE, Andreas RESCH, Sebastian LEICHT, Arnulf SPIETH, Herve TCHAMGOUE, Ralf MOHR
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Patent number: 9021795Abstract: The present invention relates to a heat transfer device, more preferably for an exhaust system of a combustion engine, preferentially of a motor vehicle, with at least one warm tube for conducting a fluid emitting heat, with at least one cold tube for conducting a fluid absorbing heat and with at least one thermoelectric generator for generating electric energy from a temperature difference, wherein a thermoelectric generator each is arranged between a warm tube and a cold tube. The efficiency of the heat transfer device is improved if the respective thermoelectric generator is in contact with the respective tube via a heat conducting material and if the respective heat conducting material is configured as shaped body.Type: GrantFiled: April 15, 2011Date of Patent: May 5, 2015Assignee: Eberspaecher Exhaust Technology GmbH & Co. KGInventors: Arnulf Spieth, Anika Bürkle, Ming Dong, Jörg Oesterle, Angela Hettel
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Patent number: 8973700Abstract: The present invention relates to an exhaust system component (1) for an exhaust system of a combustion engine, in particular of a motor vehicle, with a housing (2) having at least one housing wall (4), which separates an interior space (5) of the housing (2) exposed to an internal pressure (Pi) during the operation of the exhaust system from a surroundings (6) surrounding the housing (2) and having an ambient pressure (Pu). In order to improve the durability of the component (1) even with small wall thicknesses, at least one stiffening element (3) can be provided, which is fastened to and arranged on the housing (2) such that it counteracts an internal pressure (Pi) that is above the ambient pressure (Pu) induced by the deformation of the housing wall (4).Type: GrantFiled: March 2, 2012Date of Patent: March 10, 2015Assignee: Eberspaecher Exhaust Technology GmbH & Co. KGInventors: Arnulf Spieth, Georg Wirth
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Patent number: 8745977Abstract: A mass damper method includes providing an electroactive polymer (7) and using the electroactive polymer (7) to manufacture a mass damper (6). The mass damper (6) for damping a vibrating system of a motor vehicle includes at least one of a damping body (10) forming a countervibrating mass with a damping spring (11) and a springy damping body (10) forming the countervibrating mass. The damping body (10) is indirectly or directly coupled with the vibrating system. The springy damping body (10) or the damping spring (11) includes an electroactive polymer (7). A motor vehicle exhaust system of an internal combustion engine is provided including an exhaust gas line (3) with an exhaust pipe (4), an exhaust gas-treating device (5) integrated in the exhaust pipe and the mass damper (6) coupled with the exhaust gas line.Type: GrantFiled: May 10, 2011Date of Patent: June 10, 2014Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventor: Arnulf Spieth
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Patent number: 8733498Abstract: The present invention relates to a housing (1) with a jacket (2), enclosing a housing interior space (7) in circumferential direction (8). For reducing self-induced vibrations of the jacket (2), at least one preloading device (14) is proposed, which is arranged in the housing interior space (7), which supports itself on a first supporting region (15) of the jacket (2) on the inside of the jacket (2) subject to a first preload (16) orientated towards the outside and which supports itself on a second supporting region (17) of the jacket (2) spaced from the first supporting region (15) on the jacket (2) on the inside subject to a second preload (18) orientated towards the outside.Type: GrantFiled: December 6, 2011Date of Patent: May 27, 2014Assignee: J. Eberspaecher GmbH & Co. KGInventor: Arnulf Spieth
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Publication number: 20140000670Abstract: A thermoelectric module (13), for converting thermal energy into electric energy, includes a plurality of leg pairs (26), which have each a p-doped semiconductor leg (27) and an n-doped semiconductor leg (28), which are contacted with one another electrically via metal bridges (29). At least one electrically insulating ceramic plate (30), which is arranged on a hot side (18) of the thermoelectric module (13) or on a cold side (19) of the thermoelectric module (13) and is flatly in contact with metal bridges (29) associated with this side (18, 19) and is fastened thereto. The pressure stability of the thermoelectric module (13) can be improved if the respective ceramic plate (30) is segmented, so that a plurality of ceramic plate segments (31) are arranged next to each other, which are each flatly in contact with a plurality of metal bridges (29) and are fastened thereto.Type: ApplicationFiled: June 21, 2013Publication date: January 2, 2014Applicant: Eberspacher Climate Control Systems GmbH & Co. KGInventors: Jörg OESTERLE, Arnulf SPIETH, Andreas RESCH, Herve TCHAMGOUE, Sebastian LEICHT
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Patent number: 8613191Abstract: The present invention relates to an arrangement for the heat transfer between a tubular body suitable for conducting a fluid and a contact body that is in contact with said tubular body, wherein the contact body comprises a contact side facing the tubular body, with which the contact body is in contact with an outside of the tubular body facing the contact body, wherein in a tensioned state of the arrangement a preload force presses the contact body against the tubular body in a preload direction.Type: GrantFiled: April 28, 2011Date of Patent: December 24, 2013Assignee: J. Eberspaecher GmbH & Co. KGInventors: Jörg Oesterle, Anika Bürkle, Angela Hettel, Ming Dong, Arnulf Spieth, Georg Wirth
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Patent number: 8485302Abstract: A holding device, for the holding of a component part of an exhaust system on a peripheral structure, more preferably of a vehicle equipped with the exhaust system, has a first connecting point for fastening the holding device to the component part of the exhaust system and a second connecting point for fastening the holding device to the structure. A coupling device is arranged between the connecting points which makes possible reversible relative movements between the connecting points. For improved holding function, the coupling device is configured such that in at least in one active direction the coupling device has a speed-dependent or frequency-dependent stiffness. The coupling device has a lower stiffness with slower or low-frequency relative movements than with faster or high-frequency relative movements.Type: GrantFiled: March 22, 2011Date of Patent: July 16, 2013Assignee: J. Eberspaecher GmbH & Co. KGInventors: Thomas Nording, Joachim Hildebrand, Arnulf Spieth
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Patent number: 8336668Abstract: A flanged joint (1) of an exhaust system of an internal combustion engine, especially of a motor vehicle, is provided for fastening a tubular body (4) of the exhaust system to another component (5). The flanged joint includes a tube bell (2) formed at the end area of the tubular body (4) as well as a ring-shaped flange (3), which surrounds the tubular body (4) on a side of the tube bell (2) facing away from the other component (5) and which has a plurality of fastening sites (6, 7) for connection to the other component (5).Type: GrantFiled: December 18, 2009Date of Patent: December 25, 2012Assignee: J. Eberspächer GmbH & Co. KGInventors: Robert Hanitzsch, Arnulf Spieth
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Patent number: 8292026Abstract: A silencer for an exhaust system of a combustion engine, more preferably of a motor vehicle, has two end face bottoms facing away from each other, a closed circumferential jacket, at least one silencer insert, at least one inlet pipe and at least one outlet pipe. At least one of the pipes extends through the jacket into the silencer interior and is fastened to the jacket. The manufacture can be simplified if the pipe extending through the jacket has a cone, if the silencer insert on an intermediate pipe has a mating cone which engages in the cone.Type: GrantFiled: May 5, 2011Date of Patent: October 23, 2012Assignee: J. Eberspaecher GmbH & Co. KGInventors: Thomas Tauschek, Arnulf Spieth, George Wirth
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Publication number: 20120223210Abstract: The present invention relates to an exhaust system component (1) for an exhaust system of a combustion engine, in particular of a motor vehicle, with a housing (2) having at least one housing wall (4), which separates an interior space (5) of the housing (2) exposed to an internal pressure (Pi) during the operation of the exhaust system from a surroundings (6) surrounding the housing (2) and having an ambient pressure (Pu). In order to improve the durability of the component (1) even with small wall thicknesses, at least one stiffening element (3) can be provided, which is fastened to and arranged on the housing (2) such that it counteracts an internal pressure (Pi) that is above the ambient pressure (Pu) induced by the deformation of the housing wall (4).Type: ApplicationFiled: March 2, 2012Publication date: September 6, 2012Applicant: J. Eberspaecher GmbH & Co. KGInventors: Arnulf Spieth, Georg Wirth
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Publication number: 20120138382Abstract: The present invention relates to a housing (1) with a jacket (2), enclosing a housing interior space (7) in circumferential direction (8). For reducing self-induced vibrations of the jacket (2), at least one preloading device (14) is proposed, which is arranged in the housing interior space (7), which supports itself on a first supporting region (15) of the jacket (2) on the inside of the jacket (2) subject to a first preload (16) orientated towards the outside and which supports itself on a second supporting region (17) of the jacket (2) spaced from the first supporting region (15) on the jacket (2) on the inside subject to a second preload (18) orientated towards the outside.Type: ApplicationFiled: December 6, 2011Publication date: June 7, 2012Applicant: J. Eberspaecher GmbH & Co. KGInventor: Arnulf Spieth
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Publication number: 20120137665Abstract: The present invention relates to a component (1) for a motor vehicle (5), particularly an exhaust system, which can be fastened to a carrier (4) of the motor vehicle (5) by means of at least one fixture (3), with a component housing (2) comprising a housing wall (6), wherein the respective fixture (3) comprises at least one holder (8) having an inner leg (9) extending parallel to the housing wall (6) and an outer leg (10) standing away from the housing wall (6) to the outside. The fatigue strength of the fixture (3) can be improved if the housing wall (6) comprises a passage opening (7), through which the outer leg (10) protrudes, while the inner leg (9) areally bears against the housing wall (6) in the interior (11) of the component housing (2).Type: ApplicationFiled: November 30, 2011Publication date: June 7, 2012Applicant: J. Eberspaecher GmbH & Co. KGInventor: Arnulf Spieth
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Publication number: 20110277455Abstract: A mass damper method includes providing an electroactive polymer (7) and using the electroactive polymer (7) to manufacture a mass damper (6). The mass damper (6) for damping a vibrating system of a motor vehicle includes at least one of a damping body (10) forming a countervibrating mass with a damping spring (11) and a springy damping body (10) forming the countervibrating mass. The damping body (10) is indirectly or directly coupled with the vibrating system. The springy damping body (10) or the damping spring (11) includes an electroactive polymer (7). A motor vehicle exhaust system of an internal combustion engine is provided including an exhaust gas line (3) with an exhaust pipe (4), an exhaust gas-treating device (5) integrated in the exhaust pipe and the mass damper (6) coupled with the exhaust gas line.Type: ApplicationFiled: May 10, 2011Publication date: November 17, 2011Inventor: Arnulf Spieth
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Publication number: 20110272209Abstract: A silencer for an exhaust system of a combustion engine, more preferably of a motor vehicle, has two end face bottoms facing away from each other, a closed circumferential jacket, at least one silencer insert, at least one inlet pipe and at least one outlet pipe. At least one of the pipes extends through the jacket into the silencer interior and is fastened to the jacket. The manufacture can be simplified if the pipe extending through the jacket has a cone, if the silencer insert on an intermediate pipe has a mating cone which engages in the cone.Type: ApplicationFiled: May 5, 2011Publication date: November 10, 2011Inventors: Thomas Tauschek, Arnulf Spieth, George Wirth
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Publication number: 20110265465Abstract: The present invention relates to an arrangement for the heat transfer between a tubular body suitable for conducting a fluid and a contact body that is in contact with said tubular body, wherein the contact body comprises a contact side facing the tubular body, with which the contact body is in contact with an outside of the tubular body facing the contact body, wherein in a tensioned state of the arrangement a preload force presses the contact body against the tubular body in a preload direction.Type: ApplicationFiled: April 28, 2011Publication date: November 3, 2011Applicant: J. Eberspaecher GmbH & Co. KGInventors: Jörg Oesterle, Anika Bürkle, Angela Hettel, Ming Dong, Arnulf Spieth, Georg Wirth
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Publication number: 20110252774Abstract: The present invention relates to a heat transfer device, more preferably for an exhaust system of a combustion engine, preferentially of a motor vehicle, with at least one warm tube for conducting a fluid emitting heat, with at least one cold tube for conducting a fluid absorbing heat and with at least one thermoelectric generator for generating electric energy from a temperature difference, wherein a thermoelectric generator each is arranged between a warm tube and a cold tube. The efficiency of the heat transfer device is improved if the respective thermoelectric generator is in contact with the respective tube via a heat conducting material and if the respective heat conducting material is configured as shaped body.Type: ApplicationFiled: April 15, 2011Publication date: October 20, 2011Applicant: J. Eberspaecher GmbH & Co., KGInventors: Arnulf Spieth, Anika Burkle, Ming Dong, Jörg Oesterle, Angela Hettel
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Publication number: 20110232986Abstract: A holding device, for the holding of a component part of an exhaust system on a peripheral structure, more preferably of a vehicle equipped with the exhaust system, has a first connecting point for fastening the holding device to the component part of the exhaust system and a second connecting point for fastening the holding device to the structure. A coupling device is arranged between the connecting points which makes possible reversible relative movements between the connecting points. For improved holding function, the coupling device is configured such that in at least in one active direction the coupling device has a speed-dependent or frequency-dependent stiffness. The coupling device has a lower stiffness with slower or low-frequency relative movements than with faster or high-frequency relative movements.Type: ApplicationFiled: March 22, 2011Publication date: September 29, 2011Inventors: Thomas NORDING, Joachim Hildebrand, Arnulf Spieth
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Patent number: 7866709Abstract: A crosstalk device for coupling of two exhaust lines of an exhaust system of an internal combustion engine through which exhaust can flow in parallel has a housing having two inlets and two outlets that are connected so they communicate through an interior space of the housing and by which the two exhaust lines can be connected to the crosstalk device. The crosstalk device has an inexpensive design and high stability because its housing is assembled from two half-shells whose parting plane extends across the main direction of flow of the crosstalk device.Type: GrantFiled: November 14, 2006Date of Patent: January 11, 2011Assignee: J. Eberspaecher GmbH & Co. KGInventors: Arnulf Spieth, Markus Tuech, Michael Krause