Systems and methods for SCR feedgas diagnostics

N Khaled, M Haas, Y Lei, RJ Ancimer - US Patent 10,480,384, 2019 - Google Patents
Abstract Systems and methods are provided for feedgas diagnostics in a selective catalytic
reduction (SCR) system. An example electronic system may be part of on-board diagnostic …

Passenger cabin air control systems and methods

S Varughese, M Nespolo, T Krzyzak, G Webb… - US Patent …, 2024 - Google Patents
A vehicle system includes: at least one of: a particulate matter sensor configured to measure
an amount of particulate within a passenger cabin of a vehicle; and a volatile organic …

Smoking cessation systems and methods

S Varughese, M Nespolo, T Krzyzak, G Webb… - US Patent …, 2023 - Google Patents
(57) ABSTRACT A smoking cessation system of a vehicle includes: a microphone
configured to generate an output based on sound within a passenger cabin of the vehicle; a …

Monitoring of diesel oxidation catalyst in aftertreatment assembly

M Sculto, C Ciaravino, L Cusanno - US Patent 11,359,529, 2022 - Google Patents
A system and method for controlling an aftertreatment assembly includes a diesel oxidation
catalyst (DOC) device configured to receive an exhaust gas. One or more sensors are …

Systems and methods for SCR feedgas diagnostics

N Khaled, M Haas, Y Lei, RJ Ancimer - US Patent 10,934,922, 2021 - Google Patents
A method for diagnosing feedgas generation capacity of an oxidation catalyst in an exhaust
aftertreatment system includes: determining a first temperature value at a first location in the …

Method and system for thermal control of aftertreatment

SJ Charbonnel - US Patent 11,131,226, 2021 - Google Patents
A method for controlling an internal combustion engine system including a catalyst includes
receiving a desired output for an internal combustion engine, and receiving sensor …

Systems and methods for forecasting aftertreatment temperatures over a horizon

TR Nelson, JD Abraham, SR Gupta - US Patent 12,037,955, 2024 - Google Patents
A system includes a processing circuit having a memory coupled to one or more processors,
the memory storing instructions therein that, when executed by the one or more processors …

Binding agent and olfaction sensor

S Varughese, M Nespolo, T Krzyzak, G Webb… - US Patent …, 2023 - Google Patents
A vehicle system includes: a blower configured to draw air from within a passenger cabin of
a vehicle through an inlet; a binding agent source configured to flow a binding agent into the …

Diagnostic and recirculation control systems and methods

S Varughese, M Nespolo, T Krzyzak, G Webb… - US Patent …, 2024 - Google Patents
A vehicle system includes: a heating, ventilation, and air conditioning (HVAC) system
including: a passenger cabin air filter; and a blower configured to draw air through the …

Particulate control systems and methods for olfaction sensors

S Varughese, M Nespolo, T Krzyzak, G Webb… - US Patent …, 2023 - Google Patents
A vehicle system includes: an olfaction sensor comprising: a blower configured to draw air
through an inlet; a filter configured to filter particulate from the air; and a volatile organic …