Patents by Inventor Silvia Calvo
Silvia Calvo 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: 10767527Abstract: An exhaust system (1) for a motor vehicle includes an exhaust gas-purifying device (2) for purifying exhaust gas (3) removed from an internal combustion engine with a reducing agent feed (4), which is arranged downstream and at a spaced location from the exhaust gas-purifying device (2) and by which a reducing agent can be introduced into the exhaust system (1). A reducing agent-deflecting device (7) is arranged between the exhaust gas-purifying device (2) and the reducing agent feed (4). The reducing agent-deflecting device (7) has at least one reducing agent-deflecting element (8) of a blade-like design.Type: GrantFiled: July 27, 2018Date of Patent: September 8, 2020Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventor: Silvia Calvo
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Publication number: 20180334940Abstract: An exhaust system (1) for a motor vehicle includes an exhaust gas-purifying device (2) for purifying exhaust gas (3) removed from an internal combustion engine with a reducing agent feed (4), which is arranged downstream and at a spaced location from the exhaust gas-purifying device (2) and by which a reducing agent can be introduced into the exhaust system (1). A reducing agent-deflecting device (7) is arranged between the exhaust gas-purifying device (2) and the reducing agent feed (4). The reducing agent-deflecting device (7) has at least one reducing agent-deflecting element (8) of a blade-like design.Type: ApplicationFiled: July 27, 2018Publication date: November 22, 2018Inventor: Silvia CALVO
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Patent number: 9789432Abstract: A flexible line segment for the exhaust system of an internal combustion engine, with an annularly corrugated or helically corrugated metallic bellows, for exhaust gas flow therethrough, and a line segment arranged upstream in reference to the metallic bellows, with a precipitation device provided in the line section, arranged upstream in reference to the metallic bellows or mounted thereat. The precipitation device is provided for urea derivatives or urea entrained in an edge layer of the exhaust gas flow from an oversaturated edge layer of the exhaust gas flow.Type: GrantFiled: July 31, 2013Date of Patent: October 17, 2017Assignees: Witzenmann GmbH, Eberspächer Exhaust Technology GmbH & Co. KGInventors: Jens Barthold, Frank Berson, Jorg Ludwig, Rene Rosler, Silvia Calvo, Heike Tobben
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Patent number: 9765679Abstract: An exhaust gas treatment device (1), for an exhaust system (1) of an internal combustion engine, includes a housing (2), providing an exhaust path (3), an injector (4) arranged on the housing (2) for introducing a reduction agent into an exhaust gas flow following the exhaust gas path (3), and a mixer (7) arranged in the housing (2). The mixer (7) includes a shell (8), which encloses a mixer cross section (10) through which the exhaust gas flow can flow. The mixer (7) includes multiple guide blades (11), which on a shell inside project from the shell (8) and project into the mixer cross section (10). A simplified producibility is obtained with the mixer (7) including multiple straps (13), on a shell outside (14), which project from the shell (8) and project into a strap opening (16) formed on the housing (2) and penetrate a housing wall (15).Type: GrantFiled: October 30, 2015Date of Patent: September 19, 2017Assignee: EBERSPÄCHER EXHAUST TECHNOLOGY GMBH & CO. KGInventors: Marc Palinkas, Andreas Balle, Silvia Calvo Zueco
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Patent number: 9556773Abstract: A mixing and/or evaporating device (12) for an exhaust system (5) of an internal combustion engine (1) encloses in the circumferential direction a cross section, through which flow is possible. The device (12) has two mutually opposite long side walls (21, 22) and two mutually opposite short side walls (23, 24). The short side walls (23, 24) connect each the two long side walls (21, 22) to one another. A plurality of guide blades (25), which project in the direction of the other long side wall (21, 22) and are set at an angle in relation to the axial direction (20), are arranged at at least one axial end (26, 27) at at least one long side wall (21, 22). Additional guide blades (29) are arranged at at least one long side wall (21, 22) at a distance (s) in the axial direction (20) from an axial end (26).Type: GrantFiled: July 12, 2013Date of Patent: January 31, 2017Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventor: Silvia Calvo
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Patent number: 9464552Abstract: An exhaust system mixer (12) mixes a reactant with an exhaust gas flow (3) and includes a pipe section (13), which borders a flow cross section (16), through which the exhaust gas flows (3), in the circumferential direction (17), and which extends in an axial direction (18) from a first axial side (19) to a second axial side (20), and a plurality of guide blades (14, 15), which project from the pipe section (13) at least on one of the axial sides (19, 20), so as to protrude into the flow cross section (16). Guide blades (14, 15) on an axial side, which follow each other in the circumferential direction (17), include a first guide blade group (21), arranged on the respective axial side (19, 20), axially offset in relation to the guide blades (15) of the second guide blade group (22), to reduce a pressure drop.Type: GrantFiled: March 18, 2015Date of Patent: October 11, 2016Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventor: Silvia Calvo
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Publication number: 20160186640Abstract: A mixer for an exhaust gas duct system of an internal combustion engine includes a flow channel element (16) with a flow channel (14), through which exhaust gases can flow in a main direction of flow (S). At least one mixer element (12) in the flow channel element (16) is movable in the flow channel element (16) to change a mixing effect.Type: ApplicationFiled: December 28, 2015Publication date: June 30, 2016Inventors: Silvia CALVO, Enver KURPEJOVIC, Oleksandr SEMENOV, David BINDER, Markus BIRGLER, Steffen GLASER, Michael IHRING, Gita FEYL-NARRAIN, Ralf HÖLSCH, Jan HÄNISCH, Stefanos VARELIS
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Publication number: 20160123212Abstract: An exhaust gas treatment device (1), for an exhaust system (1) of an internal combustion engine, includes a housing (2), providing an exhaust path (3), an injector (4) arranged on the housing (2) for introducing a reduction agent into an exhaust gas flow following the exhaust gas path (3), and a mixer (7) arranged in the housing (2). The mixer (7) includes a shell (8), which encloses a mixer cross section (10) through which the exhaust gas flow can flow. The mixer (7) includes multiple guide blades (11), which on a shell inside project from the shell (8) and project into the mixer cross section (10). A simplified producibility is obtained with the mixer (7) including multiple straps (13), on a shell outside (14), which project from the shell (8) and project into a strap opening (16) formed on the housing (2) and penetrate a housing wall (15).Type: ApplicationFiled: October 30, 2015Publication date: May 5, 2016Inventors: Marc PALINKAS, Andreas BALLE, Silvia Calvo ZUECO
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Patent number: 9243544Abstract: A flexible line element (14), for an exhaust system (4) of an internal combustion engine (1), especially of a motor vehicle, includes a metal bellows (15), which is corrugated in a ring-shaped or helical pattern and through which an exhaust gas stream (8) can flow. The risk of deposition of urea and/or urea derivatives in the metal bellows (15) is reduced by a conical flow guide body (16), through which the exhaust gas stream (8) can flow, and which tapers in the direction of flow of the exhaust gas stream and which protrudes into an inlet area (17) of the metal bellows (15). The flexible line element (14) is combined with the flow guide body (16) integrated therein.Type: GrantFiled: October 10, 2013Date of Patent: January 26, 2016Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventors: Heike Többen, Silvia Calvo
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Publication number: 20160017785Abstract: A static mixer (12) for an exhaust system (7) for mixing a reducing agents with an exhaust gas flow (8). The static mixer (12) has a plurality of guide blades (14) for deflecting the exhaust gas flow (8). A reduced flow resistance is obtained when at least one of the guide blades (14) has a perforation (25) through which the exhaust gas flow (8) can flow.Type: ApplicationFiled: July 14, 2015Publication date: January 21, 2016Inventors: Andreas RESCH, Silvia CALVO
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Patent number: 9169757Abstract: A mixer/evaporator or an exhaust system (5) of an internal combustion engine (1), includes a carrier (20) surrounding, in a circumferential direction, a flat cross section of a mixing/evaporating device (12), through which exhaust gases flow and which extends at a right angle to the axial direction (17). The carrier has opposite side walls, wherein short side walls (23, 24) connect each long side walls (21, 22) to one another. Guide blades (25) project in a direction of the respective opposite long side wall, are set at an angle in relation to the axial direction and are arranged at one of the long side walls at least one axial end (26, 27). An axial end of the first long side walls is offset in the axial direction in relation to the axial end of the second long side wall on the same side of the mixing/evaporating device.Type: GrantFiled: August 19, 2013Date of Patent: October 27, 2015Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventor: Silvia Calvo
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Publication number: 20150267587Abstract: An exhaust system mixer (12) mixes a reactant with an exhaust gas flow (3) and includes a pipe section (13), which borders a flow cross section (16), through which the exhaust gas flows (3), in the circumferential direction (17), and which extends in an axial direction (18) from a first axial side (19) to a second axial side (20), and a plurality of guide blades (14, 15), which project from the pipe section (13) at least on one of the axial sides (19, 20), so as to protrude into the flow cross section (16). Guide blades (14, 15) on an axial side, which follow each other in the circumferential direction (17), include a first guide blade group (21), arranged on the respective axial side (19, 20), axially offset in relation to the guide blades (15) of the second guide blade group (22), to reduce a pressure drop.Type: ApplicationFiled: March 18, 2015Publication date: September 24, 2015Inventor: Silvia CALVO
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Patent number: 8997466Abstract: A mixing and/or evaporating device (12) for an exhaust system (5) of a combustion engine (1), in particular of a motor vehicle, includes a support body (19), which encloses a flat cross section through which a flow can flow running transversely to the axial direction (20) of the device (12) in the circumferential direction (32). The support body (19) comprises two long side walls (21, 22) located opposite each other and two short side walls (23, 24) located opposite each other, wherein the short side walls (23, 24) each connect the two long side walls (21, 22) with each other. At least on one long side wall (21, 22) at least on one axial end (26, 27), a plurality of guide blades (25) is arranged. The guide blades (25) stand away in a direction of the other long side wall (21, 22) and are angled relative to the axial direction (20).Type: GrantFiled: September 27, 2012Date of Patent: April 7, 2015Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventors: Sebastian Leicht, Felix Neumann, Benjamin Arlt, Oleksandr Semenov, Silvia Calvo, Joachim Braun, Tobias Wolf
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Publication number: 20150013313Abstract: A mixing and/or evaporating device (12) for an exhaust system (5) of an internal combustion engine (1) encloses in the circumferential direction a cross section, through which flow is possible. The device (12) has two mutually opposite long side walls (21, 22) and two mutually opposite short side walls (23, 24). The short side walls (23, 24) connect each the two long side walls (21, 22) to one another. A plurality of guide blades (25), which project in the direction of the other long side wall (21, 22) and are set at an angle in relation to the axial direction (20), are arranged at at least one axial end (26, 27) at at least one long side wall (21, 22). Additional guide blades (29) are arranged at at least one long side wall (21, 22) at a distance (s) in the axial direction (20) from an axial end (26).Type: ApplicationFiled: July 12, 2013Publication date: January 15, 2015Applicant: Eberspacher Exhaust Technology GmbH & Co. KGInventor: Silvia CALVO
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Patent number: 8925534Abstract: An internal combustion engine is presented having at least one combustion chamber, wherein a surface of at least one component of the combustion chamber and/or of an internal-combustion-engine component which is close to the combustion chamber and carries the exhaust gas stream is at least partially coated with a catalytic coating. The surface will come into contact with an air-fuel mixture or with an exhaust gas stream.Type: GrantFiled: March 3, 2010Date of Patent: January 6, 2015Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventors: Mischa Bachmann, Stefan Langenfeld, Volker Zöllmer, Silvia Calvo Zueco, Torben Seemann, Thomas Jung
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Patent number: 8904770Abstract: A mixing and/or evaporating device (12) for an exhaust system (5) of a combustion engine (1), in particular of a motor vehicle, includes a support body which encloses a cross section of the device (12) through which a flow can flow and which runs transversely to the axial direction (20) of the device (12) in the circumferential direction. The support body (19) has at least one guide blade (25, 28) which extends away transversely to the axial direction (20). An improved efficiency is obtained with the guide blade (25) having a roof-shaped profile (29), including two guide surfaces (30, 31) that are interconnected via a ridge (32) or apex.Type: GrantFiled: September 27, 2012Date of Patent: December 9, 2014Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventors: Sebastian Leicht, Felix Neumann, Benjamin Arlt, Oleksandr Semenov, Silvia Calvo, Joachim Braun, Tobias Wolf
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Publication number: 20140109557Abstract: A mixer/evaporator or an exhaust system (5) of an internal combustion engine (1), includes a carrier (20) surrounding, in a circumferential direction, a flat cross section of a mixing/evaporating device (12), through which exhaust gases flow and which extends at a right angle to the axial direction (17). The carrier has opposite side walls, wherein short side walls (23, 24) connect each long side walls (21, 22) to one another. Guide blades (25) project in a direction of the respective opposite long side wall, are set at an angle in relation to the axial direction and are arranged at one of the long side walls at at least one axial end (26, 27). An axial end of the first long side walls is offset in the axial direction in relation to the axial end of the second long side wall on the same side of the mixing/evaporating device.Type: ApplicationFiled: August 19, 2013Publication date: April 24, 2014Applicant: Eberspacher Exhaust Technology GmbH & Co. KGInventor: Silvia CALVO
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Publication number: 20140102082Abstract: A flexible line element (14), for an exhaust system (4) of an internal combustion engine (1), especially of a motor vehicle, includes a metal bellows (15), which is corrugated in a ring-shaped or helical pattern and through which an exhaust gas stream (8) can flow. The risk of deposition of urea and/or urea derivatives in the metal bellows (15) is reduced by a conical flow guide body (16), through which the exhaust gas stream (8) can flow, and which tapers in the direction of flow of the exhaust gas stream and which protrudes into an inlet area (17) of the metal bellows (15). The flexible line element (14) is combined with the flow guide body (16) integrated therein.Type: ApplicationFiled: October 10, 2013Publication date: April 17, 2014Applicant: Eberspächer Exhaust Technology GmbH & Co. KGInventors: Heike TÖBBEN, Silvia CALVO
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Publication number: 20140075925Abstract: An exhaust system (1) for a motor vehicle includes an exhaust gas-purifying device (2) for purifying exhaust gas (3) removed from an internal combustion engine with a reducing agent feed (4), which is arranged downstream and at a spaced location from the exhaust gas-purifying device (2) and by which a reducing agent can be introduced into the exhaust system (1). A reducing agent-deflecting device (7) is arranged between the exhaust gas-purifying device (2) and the reducing agent feed (4). The reducing agent-deflecting device (7) has at least one reducing agent-deflecting element (8) of a blade-like design.Type: ApplicationFiled: September 19, 2013Publication date: March 20, 2014Applicant: Eberspächer Exhaust Technology GmbH & Co., KGInventor: Silvia CALVO
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Publication number: 20140044606Abstract: A flexible line segment for the exhaust system of an internal combustion engine, with an annularly corrugated or helically corrugated metallic bellows, for exhaust gas flow therethrough, and a line segment arranged upstream in reference to the metallic bellows, with a precipitation device provided in the line section, arranged upstream in reference to the metallic bellows or mounted thereat. The precipitation device is provided for urea derivatives or urea entrained in an edge layer of the exhaust gas flow from an oversaturated edge layer of the exhaust gas flow.Type: ApplicationFiled: July 31, 2013Publication date: February 13, 2014Inventors: Jens Barthold, Frank Berson, Jorg Ludwig, Rene Rosler, Silvia Calvo, Heike Tobben