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: 11879371Abstract: A heating conductor for an exhaust gas heating arrangement for an exhaust gas system for an internal combustion engine includes a plurality of heating conductor sections. At least one throughflow opening, preferably a plurality of throughflow openings through which exhaust gas can flow, is or are provided in at least one heating conductor section, preferably in a plurality of heating conductor sections or in each heating conductor section.Type: GrantFiled: April 15, 2022Date of Patent: January 23, 2024Assignee: Purem GmbHInventors: Fatih Uysal, Enver Kurpejovic, Klaus Tüber, Sandra Höckel
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Patent number: 11566557Abstract: An exhaust system for an internal combustion engine includes an exhaust gas-carrying component (16) with an outer wall (14), a heat conductor element (12) with a jacket (40) and with a heat conductor device (50) enclosed by the jacket (40). A pass-through device (22) provides a gastight passing of the heat conductor element (12) through the outer wall (14) of the exhaust gas-carrying component (16). The pass-through device (22) includes a pass-through opening (26) in the outer wall (14), which pass-through opening (26) is traversed by the heat conductor element (12), and a connection element (24), which is connected in a gastight manner to the heat conductor element (12), on the one hand, and to the outer wall (14), on the other hand.Type: GrantFiled: November 3, 2020Date of Patent: January 31, 2023Assignee: PUREM GMBHInventors: Fatih Uysal, Enver Kurpejovic, Dietmar Uebele
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Patent number: 11492942Abstract: An exhaust gas heater for an exhaust gas system of a combustion engine includes a carrier and a heating conductor supported on the carrier. The heating conductor includes a heating region arranged on an axial side of the carrier, wherein the heating conductor is electrically uninsulated in its heating region at least in part. A holding arrangement has at least one holding unit which holds the heating conductor on the carrier in its heating region. The holding unit includes at least one electrically conducting holding block which is in contact with the heating conductor in an electrically uninsulated region of the heating region. The holding block is electrically insulated with respect to the carrier.Type: GrantFiled: April 22, 2021Date of Patent: November 8, 2022Assignee: Purem GmbHInventors: Enver Kurpejovic, Fatih Uysal, Holger Prommersberger, Dietmar Kuschel, Sandra Hoeckel
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Patent number: 11486286Abstract: A connection unit for an exhaust gas heater in an exhaust gas system of a combustion engine includes an electrically conducting connection element, elongated in the direction of a connection element longitudinal axis (L). The connection element has an inner connection region for connection to a heating conductor and an outer connection region for connection to an electrical supply. A carrier arrangement surrounds the connection element and an insulating arrangement insulates the connection element with respect to the carrier arrangement.Type: GrantFiled: April 27, 2021Date of Patent: November 1, 2022Assignee: Purem GmbHInventors: Enver Kurpejovic, Fatih Uysal, Holger Prommersberger, Dietmar Kuschel, Sandra Hoeckel
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Patent number: 11486285Abstract: An exhaust gas heater, for an internal combustion engine exhaust system, includes a support (22) with an outer circumferential area (24), arranged radially outside in relation to a heater longitudinal axis (A), and a central area (26). A heating conductor (42) is carried at the support and includes a helically wound heating section (44) on a first axial side (34) of the support. The central area is axially offset in a direction of the first axial side of the support in relation to the outer circumferential area such that a radially outer end section of the heating section, which outer end section is located in the area of the outer circumferential area of the support, and a radially inner end section (48) of the heating section, which inner end section is located in the area of the central area of the support, are axially offset in relation to one another.Type: GrantFiled: November 18, 2020Date of Patent: November 1, 2022Assignee: PUREM GMBHInventors: Enver Kurpejovic, Vijaya Bhaskar Solipuram, Fatih Uysal
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Publication number: 20220333517Abstract: A heating conductor for an exhaust gas heating arrangement for an exhaust gas system for an internal combustion engine includes a plurality of heating conductor sections. At least one throughflow opening, preferably a plurality of throughflow openings through which exhaust gas can flow, is or are provided in at least one heating conductor section, preferably in a plurality of heating conductor sections or in each heating conductor section.Type: ApplicationFiled: April 15, 2022Publication date: October 20, 2022Inventors: Fatih Uysal, Enver Kurpejovic, Klaus Tüber, Sandra Höckel
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Patent number: 11384671Abstract: A gas/gas mixer for introducing gas into an exhaust gas stream of an internal combustion engine. The gas/gas mixer includes an exhaust gas flow duct (18) in an exhaust gas carrying element (14), through which exhaust gas (A) can flow. A mixer body (20) is arranged in the exhaust gas carrying element (14) with a plurality of exhaust gas flow openings (44), through which exhaust gas (A) flowing in the exhaust gas flow duct (18) can flow. A gas feed volume (38), through which gas (G) to be introduced into the exhaust gas stream (A) can flow, is formed in the mixer body (20). The gas feed volume (38) is open towards the exhaust gas flow duct (18) via a plurality of gas release openings (56).Type: GrantFiled: January 19, 2021Date of Patent: July 12, 2022Assignee: PUREM GMBHInventor: Enver Kurpejovic
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Patent number: 11311845Abstract: A mixer for an exhaust system of an internal combustion engine includes a mixer housing (40) with an inflow opening central axis (LE) and with an outflow opening (38). A first flow duct (48) following the inflow opening (24) in the mixer housing (40) and a second flow duct (50) lead parallel to one another to a third flow duct (54) and open into same. The third flow duct (54) leads to the outflow opening (38). The first flow duct (48) and the second flow duct (50) are provided between an outer wall (16) of the mixer housing (40) and a flow divider wall (36) enclosed by the outer wall (16), and the third flow duct (54) is enclosed by the flow divider wall (36).Type: GrantFiled: September 29, 2020Date of Patent: April 26, 2022Assignee: Purem GmbHInventors: Fatih Uysal, Enver Kurpejovic
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Patent number: 11278850Abstract: 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: GrantFiled: June 18, 2019Date of Patent: March 22, 2022Assignee: PUREM GMBHInventors: Enver Kurpejovic, Fatih Uysal, Florian Friedrich, Oleksandr Semenov, Krishna Kumar Vempati
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Patent number: 11208935Abstract: 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: GrantFiled: June 26, 2020Date of Patent: December 28, 2021Assignee: Purem GmbHInventors: Enver Kurpejovic, Florian Friedrich, Ruben Hass, Krishna Kumar Vempati, Sandra Hoeckel
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Patent number: 11161080Abstract: 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: GrantFiled: August 12, 2019Date of Patent: November 2, 2021Assignee: Purem GmbHInventors: Enver Kurpejovic, Krishna Kumar Vempati, Krishna Siva Prasad Reddy Yenugula, Ruben Hass
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Publication number: 20210332728Abstract: A connection unit for an exhaust gas heater in an exhaust gas system of a combustion engine includes an electrically conducting connection element, elongated in the direction of a connection element longitudinal axis (L). The connection element has an inner connection region for connection to a heating conductor and an outer connection region for connection to an electrical supply. A carrier arrangement surrounds the connection element and an insulating arrangement insulates the connection element with respect to the carrier arrangement.Type: ApplicationFiled: April 27, 2021Publication date: October 28, 2021Inventors: Enver Kurpejovic, Fatih Uysal, Holger Prommersberger, Dietmar Kuschel, Sandra Hoeckel
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Publication number: 20210332730Abstract: An exhaust gas heater for an exhaust gas system of a combustion engine includes a carrier and a heating conductor supported on the carrier. The heating conductor includes a heating region arranged on an axial side of the carrier, wherein the heating conductor is electrically uninsulated in its heating region at least in part. A holding arrangement has at least one holding unit which holds the heating conductor on the carrier in its heating region. The holding unit includes at least one electrically conducting holding block which is in contact with the heating conductor in an electrically uninsulated region of the heating region. The holding block is electrically insulated with respect to the carrier.Type: ApplicationFiled: April 22, 2021Publication date: October 28, 2021Inventors: Enver Kurpejovic, Fatih Uysal, Holger Prommersberger, Dietmar Kuschel, Sandra Hoeckel
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Patent number: 11156142Abstract: 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: GrantFiled: January 7, 2020Date of Patent: October 26, 2021Assignee: Purem GmbHInventors: Enver Kurpejovic, Marc Palinkas, Thomas Wolf, Krishna Siva Prasad Reddy Yenugula, Ruben Hass
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Patent number: 11110408Abstract: 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: GrantFiled: April 14, 2020Date of Patent: September 7, 2021Assignee: Eberspächer Exhaust Technology GmbHInventors: Enver Kurpejovic, Ruben Hass, Roland Schwarz, Adam Karch, Elke Preisser
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Publication number: 20210222605Abstract: A gas/gas mixer for introducing gas into an exhaust gas stream of an internal combustion engine. The gas/gas mixer includes an exhaust gas flow duct (18) in an exhaust gas carrying element (14), through which exhaust gas (A) can flow. A mixer body (20) is arranged in the exhaust gas carrying element (14) with a plurality of exhaust gas flow openings (44), through which exhaust gas (A) flowing in the exhaust gas flow duct (18) can flow. A gas feed volume (38), through which gas (G) to be introduced into the exhaust gas stream (A) can flow, is formed in the mixer body (20). The gas feed volume (38) is open towards the exhaust gas flow duct (18) via a plurality of gas release openings (56).Type: ApplicationFiled: January 19, 2021Publication date: July 22, 2021Inventor: Enver KURPEJOVIC
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Publication number: 20210156289Abstract: An exhaust gas heater, for an internal combustion engine exhaust system, includes a support (22) with an outer circumferential area (24), arranged radially outside in relation to a heater longitudinal axis (A), and a central area (26). A heating conductor (42) is carried at the support and includes a helically wound heating section (44) on a first axial side (34) of the support. The central area is axially offset in a direction of the first axial side of the support in relation to the outer circumferential area such that a radially outer end section of the heating section, which outer end section is located in the area of the outer circumferential area of the support, and a radially inner end section (48) of the heating section, which inner end section is located in the area of the central area of the support, are axially offset in relation to one another.Type: ApplicationFiled: November 18, 2020Publication date: May 27, 2021Inventors: Enver KURPEJOVIC, Vijaya Bhaskar SOLIPURAM, Fatih UYSAL
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Publication number: 20210131328Abstract: An exhaust system for an internal combustion engine includes an exhaust gas-carrying component (16) with an outer wall (14), a heat conductor element (12) with a jacket (40) and with a heat conductor device (50) enclosed by the jacket (40). A pass-through device (22) provides a gastight passing of the heat conductor element (12) through the outer wall (14) of the exhaust gas-carrying component (16). The pass-through device (22) includes a pass-through opening (26) in the outer wall (14), which pass-through opening (26) is traversed by the heat conductor element (12), and a connection element (24), which is connected in a gastight manner to the heat conductor element (12), on the one hand, and to the outer wall (14), on the other hand.Type: ApplicationFiled: November 3, 2020Publication date: May 6, 2021Inventors: Fatih UYSAL, Enver KURPEJOVIC, Dietmar UEBELE
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Publication number: 20210113973Abstract: A mixer for an exhaust system of an internal combustion engine includes a mixer housing (40) with an inflow opening central axis (LE) and with an outflow opening (38). A first flow duct (48) following the inflow opening (24) in the mixer housing (40) and a second flow duct (50) lead parallel to one another to a third flow duct (54) and open into same. The third flow duct (54) leads to the outflow opening (38). The first flow duct (48) and the second flow duct (50) are provided between an outer wall (16) of the mixer housing (40) and a flow divider wall (36) enclosed by the outer wall (16), and the third flow duct (54) is enclosed by the flow divider wall (36).Type: ApplicationFiled: September 29, 2020Publication date: April 22, 2021Inventors: Fatih UYSAL, Enver KURPEJOVIC
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Patent number: 10934977Abstract: 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: GrantFiled: April 10, 2019Date of Patent: March 2, 2021Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventors: Manuel Notter, Enver Kurpejovic