Patents by Inventor Enoch Nanduru
Enoch Nanduru 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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Publication number: 20250215812Abstract: There is provided a turbine for a turbocharger, comprising: a turbine inlet passage configured to receive exhaust gas from an internal combustion engine, the exhaust gas received by the turbine inlet passage defining a turbine bulk flow; a turbine wheel chamber configured to receive the turbine bulk flow from the turbine inlet passage, the 5 turbine wheel chamber configured to contain a turbine wheel supported for rotation; a turbine outlet passage configured to receive the turbine bulk flow from the turbine wheel chamber, the turbine outlet passage being at least partially defined by a turbine outlet passage surface and defining a centreline; an auxiliary passage configured to receive a portion of the turbine bulk flow, the portion of the turbine bulk flow received by 10 the auxiliary passage defining an auxiliary flow; and a dosing module configured to deliver a spray of aftertreatment fluid into the turbine outlet passage; wherein the auxiliary passage is configured to direct the auxiliary flow along the tType: ApplicationFiled: March 16, 2023Publication date: July 3, 2025Inventors: Chetan Kishorrao Chawane, Jim L. Alonzo, Matthew Robert Brookes, Atif Mahmood, Donald Edward Willey, Enoch Nanduru, Ameya Navnath Warang, Mohemmedtayab A. Mujawar, Nikhil Digambar Giri, Pavan L. Khanadalkar, Abdul Rasheed M S, Samuel Johnson, Paul T. Frisch
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Publication number: 20250207524Abstract: There is a provided an exhaust gas conduit for an exhaust system of an internal combustion engine. The exhaust gas conduit includes a main passage for a main flow of exhaust gases passing through the exhaust gas conduit, a chamber configured to receive an aliquot of exhaust gases separated from the main flow of exhaust gases. A mounting point is provided in the chamber for mounting an exhaust gas sensor. The chamber being configured to modify the velocity and/or the pressure of exhaust gases passing therethrough.Type: ApplicationFiled: March 16, 2023Publication date: June 26, 2025Inventors: Chetan Kishorrao Chawane, Enoch Nanduru, Sagar Shekhar Andhari, Donald Edward Willey, Paul T. Frisch, Jim L. Alonzo, Matthew Robert Brookes
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Publication number: 20250179954Abstract: A mixer for an exhaust aftertreatment system includes a mixer body positioned such that an injection axis of an injector of a dosing module extends into the mixer body. The mixer body receives exhaust and treatment fluid. The mixer further includes a plurality of apertures extending through the mixer body. Each of the apertures facilitate flow of the exhaust and the treatment fluid through the mixer body. The mixer further includes a plurality of blades. Each of the blades are coupled to the mixer body along a portion of one of the apertures. Each of the blades extend radially outward from the mixer body. The mixer further includes a first end. The first end includes a plurality of tabs and a plurality of edge slots. Each of the edge slots is positioned between two of the tabs.Type: ApplicationFiled: February 7, 2025Publication date: June 5, 2025Applicant: Cummins Emission Solutions Inc.Inventors: Tushar Sudam Udhane, Ryan M. Johnson, Chetan Kishorrao Chawane, Enoch Nanduru, Jacob W. Brown, Ambarish D. KHOT, Nachiket D. Pawar, Tanmay Puranik, Mukesh Kumar, Sachin Sharma
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Publication number: 20250154888Abstract: A decomposition chamber for an exhaust aftertreatment system includes an inlet conduit centered on an inlet conduit axis and configured to receive exhaust, a decomposition conduit coupled to the inlet conduit, an endcap coupled to the decomposition conduit, and an injector coupled to the endcap and configured to provide reductant into the decomposition conduit along an injection axis. The decomposition chamber includes a guide swirl mixer coupled to at least one of the inlet conduit or the endcap. The guide swirl mixer includes a first portion disposed within the inlet conduit, and a second portion disposed within the decomposition conduit such that the inlet conduit axis extends through the second portion. The second portion extends at least partially around the injection axis.Type: ApplicationFiled: January 14, 2025Publication date: May 15, 2025Applicant: Cummins Emission Solutions Inc.Inventors: Gaurav Hemant Pandit, Allick Mounir Olive, Sagar Maruti Jarali, Narenthiran Thangamuthu, Ramesh Ramavath, Alex Harrington, Samuel Johnson, Sriram Narayanasamy, Enoch Nanduru, George Eugene Mavroudis
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Publication number: 20250084778Abstract: A mixing body assembly for an exhaust aftertreatment system that includes a housing defining an internal volume. The mixing body assembly includes a mixing inlet body that includes an inlet body and a transfer body disposed within the internal volume, coupled to the inlet body, and that receives the exhaust from the inlet body and treatment fluid from an injector of a dosing module. The mixing inlet body includes an extended body disposed within the internal volume, coupled to the transfer body, and that receives the exhaust and the treatment fluid from the transfer body. The extended body includes extended body first and second ends. The extended body second end has a first end portion separated from the extended body first end by a first length, and a second end portion separated from the extended body first end by a second length greater than the first length.Type: ApplicationFiled: September 6, 2024Publication date: March 13, 2025Applicant: Cummins Emission Solutions Inc.Inventors: Kumari Nisha, Kiran D. Jadhav, Tushar Sudam Udhane, Enoch Nanduru
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Patent number: 12228061Abstract: A decomposition chamber for an exhaust aftertreatment system includes an inlet conduit centered on an inlet conduit axis and configured to receive exhaust, a decomposition conduit coupled to the inlet conduit, an endcap coupled to the decomposition conduit, and an injector coupled to the endcap and configured to provide reductant into the decomposition conduit along an injection axis. The decomposition chamber includes a guide swirl mixer coupled to at least one of the inlet conduit or the endcap. The guide swirl mixer includes a first portion disposed within the inlet conduit, and a second portion disposed within the decomposition conduit such that the inlet conduit axis extends through the second portion. The second portion extends at least partially around the injection axis.Type: GrantFiled: June 28, 2022Date of Patent: February 18, 2025Assignee: Cummins Emission Solutions Inc.Inventors: Gaurav Hemant Pandit, Allick Mounir Olive, Sagar Maruti Jarali, Narenthiran Thangamuthu, Ramesh Ramavath, Alex Harrington, Samuel Johnson, Sriram Narayanasamy, Enoch Nanduru, George Eugene Mavroudis
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Patent number: 11691120Abstract: An exhaust gas aftertreatment system includes a housing assembly and a reductant delivery system. The housing assembly includes an upstream housing, a first inlet tube, a second inlet tube, and a mixing housing. The first inlet tube is coupled to the upstream housing and configured to receive a first portion of exhaust gas from the upstream housing. The second inlet tube is coupled to the upstream housing and configured to receive a second portion of the exhaust gas from the upstream housing. The mixing housing is coupled to the first inlet tube and the second inlet tube. The mixing housing is configured to receive the first portion of the exhaust gas from the first inlet tube and receive the second portion of the exhaust gas from the second inlet tube. The mixing housing is separated from the upstream housing by the first inlet tube and the second inlet tube.Type: GrantFiled: December 20, 2021Date of Patent: July 4, 2023Assignee: CUMMINS EMISSION SOLUTIONS INC.Inventors: Robert G. Sperry, Chetan Kishorrao Chawane, Karan Shaileshkumar Chinaiwala, Enoch Nanduru
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Publication number: 20230191358Abstract: An exhaust gas aftertreatment system includes a housing assembly and a reductant delivery system. The housing assembly includes an upstream housing, a first inlet tube, a second inlet tube, and a mixing housing. The first inlet tube is coupled to the upstream housing and configured to receive a first portion of exhaust gas from the upstream housing. The second inlet tube is coupled to the upstream housing and configured to receive a second portion of the exhaust gas from the upstream housing. The mixing housing is coupled to the first inlet tube and the second inlet tube. The mixing housing is configured to receive the first portion of the exhaust gas from the first inlet tube and receive the second portion of the exhaust gas from the second inlet tube. The mixing housing is separated from the upstream housing by the first inlet tube and the second inlet tube.Type: ApplicationFiled: December 20, 2021Publication date: June 22, 2023Applicant: Cummins Emission Solutions Inc.Inventors: Robert G. Sperry, Chetan Kishorrao Chawane, Karan Shaileshkumar Chinaiwala, Enoch Nanduru
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Publication number: 20230151755Abstract: A decomposition chamber for an exhaust gas aftertreatment system includes an inlet tube, a selective catalytic reduction (SCR) catalyst member, a mixing collector wall, a distribution cap, and a dividing tube. The inlet tube is configured to receive exhaust gas. The mixing collector wall includes a mixing assembly flow aperture. The distribution cap is coupled to the inlet tube and configured to receive the exhaust gas from the inlet tube. The dividing tube is coupled to the mixing collector wall. The dividing tube separates the distribution cap from the mixing assembly flow aperture. The dividing tube includes a first dividing tube inlet aperture that is configured to receive the exhaust gas from the distribution cap. The dividing tube outlet aperture is configured to provide the exhaust gas to the mixing assembly flow aperture.Type: ApplicationFiled: December 1, 2020Publication date: May 18, 2023Applicant: Cummins Emission Solutions Inc.Inventors: Samuel Johnson, Paul T. Frisch, Peter Te-Cheng Jang, Randolph G. Zoran, Ryan M. Johnson, John G. Buechler, Jim L. Alonzo, Enoch Nanduru, Pradnya C. Joshi, Mihai Chiruta, Isabel Valborg Montgomery, Guilherme Daldegan
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Patent number: 11560821Abstract: A decomposition chamber for an aftertreatment system includes: a body comprising: an inlet configured to receive exhaust gas, an outlet configured to expel the exhaust gas, a thermal management chamber in fluid communication with the inlet, the thermal management chamber configured to receive an exhaust gas first portion from the inlet, an exhaust assist chamber in fluid communication with the inlet, the exhaust assist chamber configured to receive an exhaust gas second portion from the inlet, and a main flow chamber in fluid communication with the inlet, the main flow chamber configured to receive an exhaust gas third portion from the inlet, receive the exhaust gas first portion from the thermal management chamber, and receive the exhaust gas second portion from the exhaust assist chamber.Type: GrantFiled: March 7, 2022Date of Patent: January 24, 2023Assignee: Cummins Emission Solutions Inc.Inventors: Samuel Johnson, Ryan M. Johnson, Kartiki Jagtap, Enoch Nanduru, Mahendra Mittapalli, Udit Bhaveshkumar Shah, Suraj D. Khalate, Pradnya Chandrakant Joshi, Vinay Kumar Joshi, Vaidyanadan Sundaram
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Publication number: 20230003158Abstract: A decomposition chamber for an exhaust aftertreatment system includes an inlet conduit centered on an inlet conduit axis and configured to receive exhaust, a decomposition conduit coupled to the inlet conduit, an endcap coupled to the decomposition conduit, and an injector coupled to the endcap and configured to provide reductant into the decomposition conduit along an injection axis. The decomposition chamber includes a guide swirl mixer coupled to at least one of the inlet conduit or the endcap. The guide swirl mixer includes a first portion disposed within the inlet conduit, and a second portion disposed within the decomposition conduit such that the inlet conduit axis extends through the second portion. The second portion extends at least partially around the injection axis.Type: ApplicationFiled: June 28, 2022Publication date: January 5, 2023Applicant: Cummins Emission Solutions Inc.Inventors: Gaurav Hemant Pandit, Allick Mounir Olive, Sagar Maruti Jarali, Narenthiran Thangamuthu, Ramesh Ramavath, Alex Harrington, Samuel Johnson, Sriram Narayanasamy, Enoch Nanduru, George Eugene Mavroudis
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Publication number: 20230003159Abstract: A reductant delivery system includes an inlet body, an outlet body, and an outer transfer tube. The inlet body includes an inlet body coupler, an inlet body outer transfer shell, and an inlet body inner shell. The inlet body coupler surrounds an inlet body inlet that is configured to receive exhaust gas. The inlet body outer transfer shell is coupled to the inlet body coupler. The inlet body outer transfer shell includes an inlet body outer transfer shell inner surface and an inlet body outer transfer shell outlet. The inlet body outer transfer shell outlet extends through the inlet body outer transfer shell inner surface. The inlet body inner shell includes an inlet body inner shell first flange, an inlet body inner shell second flange, and an inlet body inner shell wall. The inlet body inner shell first flange is coupled to the inlet body outer transfer shell inner surface.Type: ApplicationFiled: December 3, 2019Publication date: January 5, 2023Applicant: Cummins Emission Solutions Inc.Inventors: Mahendra Mittapalli, Enoch Nanduru, Samuel Johnson, Ryan M. Johnson, Kartiki Jagtap, Vinay Kumar Joshi, Aishwarya Pravin Joshi
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Publication number: 20220186651Abstract: A decomposition chamber for an aftertreatment system includes: a body comprising: an inlet configured to receive exhaust gas, an outlet configured to expel the exhaust gas, a thermal management chamber in fluid communication with the inlet, the thermal management chamber configured to receive an exhaust gas first portion from the inlet, an exhaust assist chamber in fluid communication with the inlet, the exhaust assist chamber configured to receive an exhaust gas second portion from the inlet, and a main flow chamber in fluid communication with the inlet, the main flow chamber configured to receive an exhaust gas third portion from the inlet, receive the exhaust gas first portion from the thermal management chamber, and receive the exhaust gas second portion from the exhaust assist chamber.Type: ApplicationFiled: March 7, 2022Publication date: June 16, 2022Applicant: Cummins Emission Solutions Inc.Inventors: Samuel Johnson, Ryan M. Johnson, Kartiki Jagtap, Enoch Nanduru, Mahendra Mittapalli, Udit Bhaveshkumar Shah, Suraj D. Khalate, Pradnya Chandrakant Joshi, Vinay Kumar Joshi, Vaidyanadan Sundaram
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Patent number: 11300030Abstract: A decomposition chamber for an aftertreatment system includes: a body including: an inlet configured to receive exhaust gas; an outlet configured to expel the exhaust gas, a thermal management chamber in fluid communication with the inlet, the thermal management chamber configured to receive a first portion of the exhaust gas from the inlet, and a main flow chamber in fluid communication with the inlet, the main flow chamber configured to receive a second portion of the exhaust gas from the inlet and to receive the first portion of the exhaust gas from the thermal management chamber; and a diffuser positioned within the main flow chamber, the diffuser including: a diffuser inlet portion including a plurality of diffuser perforations, the diffuser inlet portion configured to receive the exhaust gas from the main flow chamber, and a diffuser flange portion configured to receive the exhaust gas from the diffuser inlet portion and provide the exhaust gas to the outlet.Type: GrantFiled: August 14, 2018Date of Patent: April 12, 2022Assignee: CUMMINS EMISSION SOLUTIONS INC.Inventors: Samuel Johnson, Ryan M. Johnson, Kartiki Jagtap, Enoch Nanduru, Mahendra Mittapalli, Udit Bhaveshkumar Shah, Suraj D. Khalate, Pradnya Chandrakant Joshi, Vinay Kumar Joshi, Vaidyanadan Sundaram
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Publication number: 20210332733Abstract: A decomposition chamber for an aftertreatment system includes a body and a diffuser. The body includes an inlet, an outlet, a thermal management chamber, and a main flow chamber. The inlet is configured to receive exhaust gas. The outlet is configured to expel the exhaust gas. The thermal management chamber is in fluid communication with the inlet. The thermal management chamber is configured to receive an exhaust gas first portion from the inlet. The main flow chamber is in fluid communication with the inlet. The main flow chamber is configured to receive an exhaust gas second portion from the inlet and to receive the exhaust gas first portion from the thermal management chamber. The diffuser is positioned within the main flow chamber. The diffuser includes a diffuser inlet portion and a diffuser flange portion. The diffuser inlet portion includes a plurality of diffuser perforations.Type: ApplicationFiled: August 14, 2018Publication date: October 28, 2021Applicant: Cummins Emission Solutions Inc.Inventors: Samuel Johnson, Ryan M. Johnson, Kartiki Jagtap, Enoch Nanduru, Mahendra Mittapalli, Udit Bhaveshkumar Shah, Suraj D. Khalate, Pradnya Chandrakant Joshi, Vinay Kumar Joshi, Vaidyanadan Sundaram
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Patent number: 10830117Abstract: An exhaust aftertreatment assembly and method of manufacturing and operating an exhaust aftertreatment assembly. An exhaust aftertreatment assembly includes an aftertreatment housing and an inlet conduit coupled to the aftertreatment housing at an inlet port so as to transfer exhaust gas into the aftertreatment housing. An inlet chamber is positioned in the aftertreatment housing. The inlet chamber is fluidly coupled to the inlet port of the aftertreatment housing to receive the exhaust gas from the inlet conduit.Type: GrantFiled: December 22, 2015Date of Patent: November 10, 2020Assignee: Cummins Emission Solutions Inc.Inventors: Randolph G. Zoran, David M. Sarcona, Ryan M. Johnson, Enoch Nanduru
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Publication number: 20190284979Abstract: An exhaust aftertreatment assembly and method of manufacturing and operating an exhaust aftertreatment assembly. An exhaust aftertreatment assembly includes an aftertreatment housing and an inlet conduit coupled to the aftertreatment housing at an inlet port so as to transfer exhaust gas into the aftertreatment housing. An inlet chamber is positioned in the aftertreatment housing. The inlet chamber is fluidly coupled to the inlet port of the aftertreatment housing to receive the exhaust gas from the inlet conduit.Type: ApplicationFiled: June 6, 2019Publication date: September 19, 2019Applicant: Cummins Emission Solutions, Inc.Inventors: Randolph G. Zoran, David M. Sarcona, Ryan M. Johnson, Enoch Nanduru
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Publication number: 20170370262Abstract: An exhaust aftertreatment assembly and method of manufacturing and operating an exhaust aftertreatment assembly. An exhaust aftertreatment assembly includes an aftertreatment housing and an inlet conduit coupled to the aftertreatment housing at an inlet port so as to transfer exhaust gas into the aftertreatment housing. An inlet chamber is positioned in the aftertreatment housing. The inlet chamber is fluidly coupled to the inlet port of the aftertreatment housing to receive the exhaust gas from the inlet conduit.Type: ApplicationFiled: December 22, 2015Publication date: December 28, 2017Applicant: Cummins Emission Solutions, Inc.Inventors: Randolph G. Zoran, David M. Sarcona, Ryan M. Johnson, Enoch Nanduru
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Patent number: D967863Type: GrantFiled: December 20, 2021Date of Patent: October 25, 2022Assignee: Cummins Emission Solutions Inc.Inventors: Robert G. Sperry, Chetan Kishorrao Chawane, Karan Shaileshkumar Chinaiwala, Enoch Nanduru
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Patent number: D967864Type: GrantFiled: December 20, 2021Date of Patent: October 25, 2022Assignee: Cummins Emission Solutions Inc.Inventors: Robert G. Sperry, Chetan Kishorrao Chawane, Karan Shaileshkumar Chinaiwala, Enoch Nanduru