Patents by Inventor Enver KURPEJOVIC
Enver KURPEJOVIC 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: 10920640Abstract: A mixer for mixing exhaust gas flowing in an exhaust gas duct of an internal combustion engine with reactant injected into the exhaust gas duct includes a plate-shaped exhaust gas collection body (12) with an incoming flow surface (14) on an exhaust gas incoming flow side (16) and with a rear side (18) facing away from the incoming flow side (16). A duct housing (20), arranged on the rear side (18) of the exhaust gas collection body (12), has a reactant-receiving duct (28) and at least one release duct (48, 50) leading away from the reactant-receiving duct (28). An exhaust gas collection opening (34) is formed in the exhaust gas collection body (12). An exhaust gas collection duct (36) leads from the exhaust gas collection opening (34) to the duct housing (20) and is open to the reactant-receiving duct (28).Type: GrantFiled: January 23, 2020Date of Patent: February 16, 2021Assignee: Eberspächer Exhaust Technology GmbHInventor: Enver Kurpejovic
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Publication number: 20200408131Abstract: A mixer for an exhaust system of an internal combustion engine includes a first mixer part (12) with a plate shape body (14) having an incoming upstream flow side (18), with respect to an exhaust gas main flow direction (A) and a downstream outflow side (22), and a second mixer part (24), on an outflow side, with a bottom wall (26) spaced apart from the plate shape body and with two side walls (28, 30), extending from the bottom wall (26) towards the plate shape body and fixed at the first mixer part. The mixer parts define a reactant injection duct (32) receiving reactant in a main injection direction (R). An exhaust gas main passage opening (54) the plate shape body opens towards the reactant injection duct with a plurality of exhaust gas secondary passage openings (78, 80, 82, 84, 86, 88, 90, 92) run past the injection duct.Type: ApplicationFiled: June 26, 2020Publication date: December 31, 2020Inventors: Enver KURPEJOVIC, Florian FRIEDRICH, Ruben HASS, Krishna Kumar VEMPATI, Sandra HOECKEL
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Patent number: 10815855Abstract: A mixer mixes exhaust gas (A) flowing in an exhaust gas-carrying duct of an internal combustion engine with reactant (R) injected into the exhaust gas-carrying duct. The mixer includes a mixer body (26) with a reactant-receiving duct (32) as well as a releasing device (36) with a releasing duct (34). The releasing device adjoins the reactant-receiving duct (32) in a transition area (42) and leads away from the reactant-receiving duct. The releasing device (36) has an asymmetric configuration in relation to a longitudinal axis (LR) of the reactant-receiving duct.Type: GrantFiled: January 17, 2019Date of Patent: October 27, 2020Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventors: Enver Kurpejovic, Krishna Kumar Vempati, Vijaya Bhaskar Solipuram
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Publication number: 20200330935Abstract: A mixer for an exhaust system of an internal combustion engine includes a plate-shaped mixer body (26) with an incoming flow side (36) to be arranged oriented in the upstream direction in relation to an exhaust gas flow (HA1) and with an outflow side (38) to be arranged oriented in the downstream direction in relation to the exhaust gas flow (HA1), a first exhaust gas flow-through opening (30) in the mixer body (26), a reactant-receiving body (42) carried on the mixer body (26) in the area of the first exhaust gas flow-through opening (30), as well as a plurality of second exhaust gas flow-through openings (34) in the mixer body (26). The second exhaust gas flow-through openings (34) are arranged surrounding the first exhaust gas flow-through opening (30) in the mixer body (26).Type: ApplicationFiled: April 14, 2020Publication date: October 22, 2020Inventors: Enver KURPEJOVIC, Ruben HASS, Roland SCHWARZ, Adam KARCH, Elke PREISSER
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Publication number: 20200240312Abstract: A mixer for mixing exhaust gas flowing in an exhaust gas duct of an internal combustion engine with reactant injected into the exhaust gas duct includes a plate-shaped exhaust gas collection body (12) with an incoming flow surface (14) on an exhaust gas incoming flow side (16) and with a rear side (18) facing away from the incoming flow side (16). A duct housing (20), arranged on the rear side (18) of the exhaust gas collection body (12), has a reactant-receiving duct (28) and at least one release duct (48, 50) leading away from the reactant-receiving duct (28). An exhaust gas collection opening (34) is formed in the exhaust gas collection body (12). An exhaust gas collection duct (36) leads from the exhaust gas collection opening (34) to the duct housing (20) and is open to the reactant-receiving duct (28).Type: ApplicationFiled: January 23, 2020Publication date: July 30, 2020Inventor: Enver KURPEJOVIC
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Publication number: 20200217232Abstract: An exhaust system for an internal combustion engine includes an oxidation catalytic converter unit (12) with a first catalytic converter housing with a first housing axis (A1). An SCR catalytic converter unit (18) has a second catalytic converter housing (20), with a second housing axis (A2). A mixer housing (16) has an upstream connection area (24) adjoining a downstream end (26) of the first catalytic converter housing (14) and has a downstream connection area (28) adjoining an upstream end (30) of the second catalytic converter housing. A mixer (48) is carried in the mixer housing. A reactant release device (56) at the mixer housing releases reactant into a reactant-receiving duct (72) of the mixer. The mixer housing includes a first housing part (36) forming the upstream connection area (24) and a second housing part (38) forming the downstream connection area together with the first housing part.Type: ApplicationFiled: January 7, 2020Publication date: July 9, 2020Inventors: Enver KURPEJOVIC, Marc PALINKAS, Thomas WOLF, Krishna Siva Prasad Reddy YENUGULA, Ruben HASS
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Patent number: 10570796Abstract: A reactant introduction device, for introducing reactant into an exhaust gas stream of an internal combustion engine, includes a reactant introduction housing (16) with a reactant introduction space (20) surrounded by a housing wall (18). The housing wall (18) includes an incoming flow wall area (30) positioned upstream in relation to an exhaust gas flow direction (A), an outgoing flow wall area (32) positioned downstream, in relation to the exhaust gas flow direction (A) and two side wall areas (34, 36) between the incoming flow wall area (30) and the outgoing flow wall area (32). At least one flow-through opening (72, 74, 76) is provided in at least one side wall area (34, 36) or/and in the outgoing flow wall area (32). A reactant injection device (28) injects reactant into the reactant introduction space (20) in a reactant introduction direction (E) onto a heatable reactant release element (48).Type: GrantFiled: September 20, 2017Date of Patent: February 25, 2020Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventors: Enver Kurpejovic, Oleksandr Semenov, Steffen Glaser
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Publication number: 20200047136Abstract: A mixer for an exhaust system for mixing reactant injected into an exhaust gas stream with exhaust gas includes a mixer body (22). The mixer body includes a reactant passage body area (24) with a reactant passage opening (26), a mixer plate body area (30) adjoining the reactant passage body area (24) on one side in a mixer longitudinal direction (L) and a mixer main body area (36) adjoining the reactant passage body area (24) in the mixer longitudinal direction (L) on another side opposite the one side.Type: ApplicationFiled: August 12, 2019Publication date: February 13, 2020Inventors: Enver KURPEJOVIC, Krishna Kumar VEMPATI, Krishna Siva Prasad Reddy YENUGULA, Ruben HASS
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Publication number: 20190388848Abstract: A mixer is provided for mixing exhaust gas (A) flowing in an exhaust gas-carrying duct (14) of an internal combustion engine with reactant injected into the exhaust gas-carrying duct (14). The mixer includes a mixing body (22) with a reactant-receiving duct (34), an exhaust gas inlet opening device (54) with a plurality of exhaust gas inlet openings (56) leading to the reactant-receiving duct (34), and at least one releasing duct (40, 42) leading away from the reactant-receiving duct (34) with a releasing duct opening (48, 50) for releasing a reactant/exhaust gas mixture from the mixer body (22). An electrically energizable heater (68) is provided at the mixer body (22).Type: ApplicationFiled: June 18, 2019Publication date: December 26, 2019Inventors: Enver KURPEJOVIC, Fatih UYSAL, Florian FRIEDRICH, Oleksandr SEMENOV, Krishna Kumar VEMPATI
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Patent number: 10458301Abstract: A reactant release arrangement for an exhaust gas stream of an internal combustion engine has an exhaust gas guide element (12) with an exhaust gas flow duct (13). A reactant release body (14) extends into the exhaust gas flow duct (13) and has a reactant-receiving volume (20) with a wall inner surface (32) and a wall outer surface (18) of a body wall (16) that is open to the exhaust gas flow duct (13) via at least one passage opening (44, 46). Exhaust gas (G) flowing in the exhaust gas flow duct (13) flows around the reactant release body (14) at a wall outer surface (18) of the body wall (16). A reactant release unit (22) releases reagent (M) into the reactant-receiving volume (20). A heating device (38) is associated with an area of the inner surface (32) of the body wall (16) and heats the reactant release body (14).Type: GrantFiled: November 9, 2017Date of Patent: October 29, 2019Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventors: Krishna Kumar Vempati, Enver Kurpejovic
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Publication number: 20190316549Abstract: A gas/gas mixer for introducing gas, especially air, into the exhaust gas stream of an internal combustion engine, includes a mixer body (32) that is elongated in the direction of a body longitudinal axis (L). A plurality of gas passage openings (38) are provided in a wall (36) of the mixer body (32) enclosing a volume of gas to be introduced (42) in the mixer body (32). The mixer body (32) is configured with a flattened cross-sectional profile, flattened obliquely to the body longitudinal axis (L).Type: ApplicationFiled: April 10, 2019Publication date: October 17, 2019Inventors: Manuel NOTTER, Enver KURPEJOVIC
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Publication number: 20190226379Abstract: A mixer mixes exhaust gas (A) flowing in an exhaust gas-carrying duct of an internal combustion engine with reactant (R) injected into the exhaust gas-carrying duct. The mixer includes a mixer body (26) with a reactant-receiving duct (32) as well as a releasing device (36) with a releasing duct (34). The releasing device adjoins the reactant-receiving duct (32) in a transition area (42) and leads away from the reactant-receiving duct. The releasing device (36) has an asymmetric configuration in relation to a longitudinal axis (LR) of the reactant-receiving duct.Type: ApplicationFiled: January 17, 2019Publication date: July 25, 2019Inventors: Enver KURPEJOVIC, Krishna Kumar VEMPATI, Vijaya Bhaskar SOLIPURAM
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Patent number: 10215076Abstract: A mixer mixes exhaust gas (A) flowing in an exhaust gas-carrying duct of an internal combustion engine with reactant (R) injected into the exhaust gas-carrying duct. The mixer includes a mixer body (32) with a reactant receiving duct (48), an exhaust gas inlet opening arrangement (70) with a plurality of exhaust gas inlet openings (72, 74, 76, 78, 80) leading to the reactant receiving duct, and at least one release duct (62, 66) leading away from the reactant receiving duct (48) with a release duct opening (64, 66) for the release of a reactant/exhaust gas mixture from the mixer body (32).Type: GrantFiled: March 9, 2017Date of Patent: February 26, 2019Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventors: Vijaya Bhaskar Solipuram, Krishna Kumar Vempati, Enver Kurpejovic
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Patent number: 10190463Abstract: An exhaust system, especially for an internal combustion engine of a vehicle, includes an exhaust gas-carrying duct (14) and a reactant injection device (20) for injecting reactant (R) into exhaust gas (A) flowing in the exhaust gas-carrying duct (14). Downstream of the reactant injection device (20), a mixer device (22) supports the mixing of reactant (R) injected by the reactant injection device (20) with exhaust gas (A) flowing in the exhaust gas-carrying duct (14). Downstream of the reactant injection device (20) and upstream of the mixer device (22), a reactant heating device (24) extends in the exhaust gas-carrying duct (14). The exhaust gas (A) flows in and reactant (R) injected through the reactant injection device (20) flow around the heating device (24).Type: GrantFiled: March 2, 2017Date of Patent: January 29, 2019Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventors: Enver Kurpejovic, Bernd Westerhoff, David Binder, Anika Bürkle, Gita Feyl-Narrain, Steffen Glaser, Ruben Hass, Oleksandr Semenov, Krishna Kumar Vempati
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Publication number: 20180135487Abstract: A reactant release arrangement for an exhaust gas stream of an internal combustion engine has an exhaust gas guide element (12) with an exhaust gas flow duct (13). A reactant release body (14) extends into the exhaust gas flow duct (13) and has a reactant-receiving volume (20) with a wall inner surface (32) and a wall outer surface (18) of a body wall (16) that is open to the exhaust gas flow duct (13) via at least one passage opening (44, 46). Exhaust gas (G) flowing in the exhaust gas flow duct (13) flows around the reactant release body (14) at a wall outer surface (18) of the body wall (16). A reactant release unit (22) releases reagent (M) into the reactant-receiving volume (20). A heating device (38) is associated with an area of the inner surface (32) of the body wall (16) and heats the reactant release body (14).Type: ApplicationFiled: November 9, 2017Publication date: May 17, 2018Inventors: Krishna Kumar VEMPATI, Enver KURPEJOVIC
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Publication number: 20180080360Abstract: A reactant introduction device, for introducing reactant into an exhaust gas stream of an internal combustion engine, includes a reactant introduction housing (16) with a reactant introduction space (20) surrounded by a housing wall (18). The housing wall (18) includes an incoming flow wall area (30) positioned upstream in relation to an exhaust gas flow direction (A), an outgoing flow wall area (32) positioned downstream, in relation to the exhaust gas flow direction (A) and two side wall areas (34, 36) between the incoming flow wall area (30) and the outgoing flow wall area (32). At least one flow-through opening (72, 74, 76) is provided in at least one side wall area (34, 36) or/and in the outgoing flow wall area (32). A reactant injection device (28) injects reactant into the reactant introduction space (20) in a reactant introduction direction (E) onto a heatable reactant release element (48).Type: ApplicationFiled: September 20, 2017Publication date: March 22, 2018Inventors: Enver KURPEJOVIC, Oleksandr SEMENOV, Steffen GLASER
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Publication number: 20170260888Abstract: A mixer mixes exhaust gas (A) flowing in an exhaust gas-carrying duct of an internal combustion engine with reactant (R) injected into the exhaust gas-carrying duct. The mixer includes a mixer body (32) with a reactant receiving duct (48), an exhaust gas inlet opening arrangement (70) with a plurality of exhaust gas inlet openings (72, 74, 76, 78, 80) leading to the reactant receiving duct, and at least one release duct (62, 66) leading away from the reactant receiving duct (48) with a release duct opening (64, 66) for the release of a reactant/exhaust gas mixture from the mixer body (32).Type: ApplicationFiled: March 9, 2017Publication date: September 14, 2017Inventors: Vijaya Bhaskar SOLIPURAM, Krishna Kumar VEMPATI, Enver KURPEJOVIC
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Publication number: 20170254244Abstract: An exhaust system, especially for an internal combustion engine of a vehicle, includes an exhaust gas-carrying duct (14) and a reactant injection device (20) for injecting reactant (R) into exhaust gas (A) flowing in the exhaust gas-carrying duct (14). Downstream of the reactant injection device (20), a mixer device (22) supports the mixing of reactant (R) injected by the reactant injection device (20) with exhaust gas (A) flowing in the exhaust gas-carrying duct (14). Downstream of the reactant injection device (20) and upstream of the mixer device (22), a reactant heating device (24) extends in the exhaust gas-carrying duct (14). The exhaust gas (A) flows in and reactant (R) injected through the reactant injection device (20) flow around the heating device (24).Type: ApplicationFiled: March 2, 2017Publication date: September 7, 2017Inventors: Enver KURPEJOVIC, Bernd WESTERHOFF, David BINDER, Anika BÜRKLE, Gita FEYL-NARRAIN, Steffen GLASER, Ruben HASS, Oleksandr SEMENOV, Krishna Kumar VEMPATI
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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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Patent number: 9145802Abstract: A heat exchanger (7) for an exhaust system (5) of an internal combustion engine (1), includes a heating tube (16) for carrying hot exhaust gas and a cooling tube (17) for carrying a liquid cooling agent. A thermoelectric generator (13) generates an electric voltage from a temperature difference and is arranged with the adjacent tubes in a stacking direction (18) to form a stack (21). A support tube (28) is supported in the stacking direction on wall sections (29) of the respective tube (16, 17), which wall sections mutually face each other, and is arranged in the respective heating tube (16) and/or cooling tube (17). Increased energy efficiency is achieved if at least two support tubes (28), which differ from one another by tube length and/or tube end (30) and/or by tube cross sections, are arranged in the respective tube (16, 17) at right angles to a longitudinal direction (31).Type: GrantFiled: August 19, 2013Date of Patent: September 29, 2015Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventors: Jörg Oesterle, Angela Hettel, Ming Dong, Enver Kurpejovic, Anika Bürkle