Patents by Inventor Samuel A. Johnson
Samuel A. Johnson 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: 20240141815Abstract: A system for controlling reductant spray momentum for a target spray distribution includes an exhaust system having an exhaust conduit with exhaust flowing therethrough, a reductant injection system for injecting reductant into the exhaust flowing through the exhaust system based on one or more injection parameters, a reductant supply system for supplying reductant to the reductant injection system based on one or more supply parameters, and a controller. The controller is configured to access current vehicle, engine, exhaust, or reductant condition parameters, determine one or more control parameters based on a control model and the accessed current vehicle, engine, exhaust, or reductant condition parameters, and modify a value of the one or more injection parameters or the one or more supply parameters to control the reductant spray.Type: ApplicationFiled: January 8, 2024Publication date: May 2, 2024Applicant: CUMMINS EMISSION SOLUTIONS INC.Inventors: Samuel Johnson, Nassim Khaled, Patrick C. Hudson
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Publication number: 20240118792Abstract: A method for configuring a system having a wearable optical unit is disclosed. The method includes powering on the system, and in response to the system being powered on, using one or more processors to control the system to: determine whether to cause the system to run a configuration workflow, and in response to determining to cause the system to run the configuration workflow, (a) control the system in connection with configuring an interpupillary distance (IPD) for a user of the system, (b) determine whether the IPD is configured for the user, and (c) in response to determining that the IPD is configured for the user, control the system in connection with configuring a focus of the optical unit.Type: ApplicationFiled: October 11, 2022Publication date: April 11, 2024Inventors: Trae Benjamin Stephens, Benjamin Eli Nelson Chelf, Nicholas Cory Johnson, John Aaron Boiles, Nicholas Grant Lewis, Kevin Robert McKinney, Steven David Oliver, Tun Yuen Yeung, Meghan Easley, Robin Porter, Jeremiah O'Leary, Keith Alsberg, Robert Samuel Clay
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Patent number: 11905874Abstract: A system for controlling reductant spray momentum for a target spray distribution includes an exhaust system having an exhaust conduit with exhaust flowing therethrough, a reductant injection system for injecting reductant into the exhaust flowing through the exhaust system based on one or more injection parameters, a reductant supply system for supplying reductant to the reductant injection system based on one or more supply parameters, and a controller. The controller is configured to access current vehicle, engine, exhaust, or reductant condition parameters, determine one or more control parameters based on a control model and the accessed current vehicle, engine, exhaust, or reductant condition parameters, and modify a value of the one or more injection parameters or the one or more supply parameters to control the reductant spray.Type: GrantFiled: August 29, 2022Date of Patent: February 20, 2024Assignee: Cummins Emission Solutions Inc.Inventors: Samuel Johnson, Nassim Khaled, Patrick C. Hudson
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Patent number: 11891937Abstract: A mixing assembly for an exhaust system can include an outer body, a front plate, a back plate, a middle member, and an inner member. The outer body defines an interior volume and has a center axis. The front plate defines an upstream portion of the interior volume and the back plate defines a downstream portion of the interior volume. The middle member is positioned transverse to the center axis and defines a volume. The inner member is positioned coaxially with the middle member inside the middle member. The front plate includes inlets configured to direct exhaust to (i) a first flow path into an interior of the inner member, (ii) a second flow path into the volume of the middle member between a sidewall of the middle member and a sidewall of the inner member, and (iii) a third flow path into the interior volume of the outer body.Type: GrantFiled: September 19, 2022Date of Patent: February 6, 2024Assignee: Cummins Emission Solutions Inc.Inventors: Matthew K. Volmerding, Ryan M. Johnson, Jim L Alonzo, Samuel Johnson, Apoorv Kalyankar, Pranjal Naik, Kartiki Jagtap, Mahendra Mittapalli
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Patent number: 11834979Abstract: A lance injector assembly for an exhaust component includes: a shaft configured to extend into an exhaust conduit of the exhaust component, the shaft being hollow so as to define a channel therethrough, wherein an opening is defined in a wall of the shaft proximate to a second end of the shaft that is opposite the first end; a cap coupled to a first end of the shaft; and a supply line disposed within the channel defined by the shaft, wherein a nozzle is disposed at a downstream end of the supply line, the nozzle being fluidly coupled to the shaft around the opening such that reductant is able to flow from the nozzle through the opening and into an exhaust gas flowing through the exhaust conduit. Air is present in the space between the supply line and the wall of the shaft, the air inhibiting heat transfer to the supply line.Type: GrantFiled: June 17, 2021Date of Patent: December 5, 2023Assignee: Cummins Emission Solutions Inc.Inventors: Samuel Johnson, John G. Buechler, Matthew K. Volmerding, Jacob W. Brown, Gaurav Hemant Pandit
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Patent number: 11834145Abstract: A system for supporting a camera during aerial photography or videography includes a gimbal, a platform, a first flywheel, an onboard electronics module and a link rod with a longitudinal axis. The gimbal includes an inner ring external to and concentric with the link rod and coupled thereto for relative rotation about the longitudinal axis, a middle ring external to and concentric with the inner ring and coupled thereto for relative pivoting about a second axis nearly perpendicular to the longitudinal axis and an outer ring external to and concentric with the middle ring and coupled thereto for relative pivoting about a third axis perpendicular to the second axis. The platform is provided to the outer ring. The first flywheel is mounted at a first position on the platform so as to balance with a camera at a second position and an onboard electronics module at a third position.Type: GrantFiled: April 15, 2021Date of Patent: December 5, 2023Inventor: Samuel A Johnson
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Patent number: 11753979Abstract: An ammonia generating apparatus comprises a housing comprising a first end wall on which a reductant injector configured to insert a reductant into the housing is mountable. A heating coil assembly is disposed within the housing. A first end of the heating coil assembly is located proximate to a location of the first end wall where a reductant injector tip of the reductant injector is located when the reductant injector is mounted on the first end wall. The heating coil assembly is configured to generate heat sufficient to thermolyze the reductant to generate ammonia and reaction byproducts, in response to an electric current being passed therethrough. A hydrolysis catalyst can be disposed downstream of the heating coil assembly for catalyzing hydrolysis of the reaction byproducts into ammonia.Type: GrantFiled: August 22, 2019Date of Patent: September 12, 2023Assignee: Cummins Emission Solutions Inc.Inventors: Mihai Chiruta, Samuel Johnson, Tiffany D. Morgan, George Eugene Mavroudis, Luis N. Moreno
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Patent number: 11726502Abstract: A method for controlling an unmanned aerial vehicle within a flight operating space. The unmanned aerial vehicle includes one or more sensor arrays on each spar. The method includes determining, using a plurality of sensor arrays, a flight path for the unmanned aerial vehicle. The method also includes receiving, by at least one sensor array of the plurality of sensor arrays, sensor data identifying at least one object in the operating space. The sensor data is transmitted over a communications bus connecting components of the UAV. The method further includes determining, by one or more processors onboard the unmanned aerial vehicle, a flight path around the at least one object. The method also includes generating, by the one or more onboard processors, a first signal to cause the unmanned aerial vehicle to navigate within the operating space around the at least one object.Type: GrantFiled: April 4, 2022Date of Patent: August 15, 2023Assignee: Teledyne FLIR Detection, Inc.Inventors: Samuel A. Johnson, Samir S. Mistry, Erika Tsutsumi, Chad Thomson, John Aleman, Bretton E. Anderson, Felipe Bohorquez, Terrance Bordelon, Ben Corman, Dion Gonano, Laura Major, Ben Minerd, Megan Mitchell
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Patent number: 11708777Abstract: A lance injector assembly for an exhaust component includes: an exhaust conduit; a shaft configured to extend into the exhaust conduit and dispense reductant from a hydraulically-actuated valve; an actuator configured to operate the hydraulically-actuated valve; and a mounting system configured to couple the actuator and the shaft to the exhaust conduit. The mounting system prevents the actuator from directly contacting the exhaust conduit.Type: GrantFiled: June 17, 2021Date of Patent: July 25, 2023Assignee: Cummins Emission Solutions Inc.Inventors: Samuel Johnson, John G. Buechler, Matthew K. Volmerding, Jacob W. Brown, Gaurav Hemant Pandit
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Publication number: 20230219554Abstract: Responsive to a user request, a controller operates an engine of a vehicle while parked to charge a traction battery to a target state of charge that exceeds a maximum state of charge limit, used during drive of the vehicle by an electric machine, in advance of a predefined period of time.Type: ApplicationFiled: January 11, 2022Publication date: July 13, 2023Inventors: Stephen Thomas POWELL, Samuel JOHNSON, Garrett CARLSON, Craig LECHLITNER
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Publication number: 20230211716Abstract: Brackets for mounting a loading ramp to a utility van without drilling the van’s structure can include a horizontal plate portion and a vertical portion. The vertical portion is joined to a perimeter edge of the horizontal portion. The vertical portion includes a main portion and a flange extending from a vertical side of the main portion. Apertures can be provided in the vertical portion and horizontal portions so that the brackets can be secured to the interior of the van without drilling new holes in the van. The brackets are shaped so that the rear doors of the van can close without interference in the normal manner.Type: ApplicationFiled: January 3, 2023Publication date: July 6, 2023Inventors: Steven PETERSON, Samuel JOHNSON
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Patent number: 11661187Abstract: In an aspect, in general, a spooling apparatus includes a filament feeding mechanism for deploying and retracting filament from the spooling apparatus to an aerial vehicle, an exit geometry sensor for sensing an exit geometry of the filament from the spooling apparatus, and a controller for controlling the feeding mechanism to feed and retract the filament based on the exit geometry.Type: GrantFiled: November 5, 2021Date of Patent: May 30, 2023Assignee: Teledyne FLIR Detection, Inc.Inventors: Jason S. Walker, John W. Ware, Samuel A. Johnson, Andrew M. Shein
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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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Publication number: 20230150413Abstract: A loading ramp assembly for utility vans can include a main deck with side rails fastened to the longitudinal sides of the main deck. A raised loading floor of the utility van is disposed atop a pair of guide rails. Guide wheels on the side rails move through guide rails secured to the van's original floor as the ramp is retracted and deployed. The ramp can be fully retracted and stored inside of the van such that the rear doors of the van can be closed normally without the need to remove the loading ramp assembly from the van.Type: ApplicationFiled: November 11, 2022Publication date: May 18, 2023Inventors: Steven PETERSON, Samuel JOHNSON, Gilbert Daniel BODIMER
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Patent number: 11624305Abstract: An aftertreatment system for treating constituents of an exhaust gas produced by an engine, comprising: a housing; a selective catalytic reduction (SCR) system disposed within the housing; a reductant injector disposed on a sidewall of the housing upstream of the SCR system and configured to insert a reductant into the exhaust gas; and a vortex generator disposed in the housing, the vortex generator comprising at least one deflector disposed on a surface within the housing, the at least one deflector configured to generate vortices in a portion of the exhaust gas flow flowing over the at least one deflector such that the portion of the exhaust gas remains attached to the surface at a downstream location of the surface.Type: GrantFiled: February 26, 2021Date of Patent: April 11, 2023Assignee: Cummins Emission Solutions Inc.Inventors: Samuel Johnson, Andrew J. Albers, Shashank Mishra, Otto A. Negron Rivas, Jeremy Dale Harris
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Publication number: 20230093349Abstract: A vehicle power testing system is described. The power testing system may provide power testing that displays maximum simultaneous power usage for multiple auxiliary devices drawing power from the vehicle power generation system over a span of time. The power testing system may initialize a power test using a simple user interface, determine a number of auxiliary devices predicted to be connected to the power generation system at a future time, and generate a power simulation profile for the multiple connected auxiliary devices. The power testing system may generate an indication of maximum aggregate power usage and an alert message indicating that multiple auxiliary devices may be simultaneously used while connected to the vehicle power generation system based on an aggregate power rating associated with the vehicle power generation system.Type: ApplicationFiled: September 23, 2021Publication date: March 23, 2023Applicant: Ford Global Technologies, LLCInventors: Stephen Thomas Powell, Samuel Johnson, Thomas Kostrzewski, Ling Gong
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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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Patent number: D1021527Type: GrantFiled: September 7, 2022Date of Patent: April 9, 2024Assignee: SAMIAM GROUP, LLCInventors: Samuel McGee, Jr., Derrick Johnson, Brett Virgl
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Patent number: D1021545Type: GrantFiled: September 7, 2022Date of Patent: April 9, 2024Assignee: SAMIAM GROUP, LLCInventors: Samuel McGee, Jr., Derrick Johnson, Brett Virgl
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Patent number: D1023677Type: GrantFiled: July 29, 2022Date of Patent: April 23, 2024Assignee: SAMIAM GROUP, LLCInventors: Samuel McGee, Jr., Derrick Johnson, Brett Virgl