Inventor

WEBB CYNTHIA CHAFFIN

US37 patents

⚠️ This page may combine multiple inventors who share the name “WEBB CYNTHIA CHAFFIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WEBB CYNTHIA CHAFFIN

PACCAR INC

Methods for operation of an emissions aftertreatment system for NOx control during regeneration of diesel particulate filter

Methods for evaluating diesel exhaust fluid quality

Methods for operation of an emissions aftertreatment system for NOx control during regeneration of diesel particulate filter

Ammonia storage capacity of SCR catalyst unit

Heater control in heavy-duty motor vehicle engines

Exhaust aftertreatment subsystem

Control of exhaust energy in internal combustion engines

NOx sensor diagnostics in heavy-duty motor vehicle engines

Control of selective catalytic reduction in heavy-duty motor vehicle engines

Methods for evaluating diesel exhaust fluid quality

NOx sensor diagnostics in heavy-duty motor vehicle engines

Control of selective catalytic reduction in heavy-duty motor vehicle engines

Ammonia storage capacity of SCR catalyst unit

Control of selective catalytic reduction in heavy-duty motor vehicle engines

Heater control in heavy-duty motor vehicle engines

System and method for monitoring an oxidation catalyst

Heater control in heavy-duty motor vehicle engines

System and method for monitoring an oxidation catalyst

Control of exhaust energy in internal combustion engines

Predictive ammonia release control

Predictive ammonia release control

Exhaust after-treatment in heavy-duty motor vehicles

Exhaust after-treatment in heavy-duty motor vehicles

Methods for diagnostics and operation of an emissions aftertreatment system

Heater diagnostics in heavy-duty motor vehicle engines

System and method for monitoring an exhaust aftertreatment system

Cloud computing-based vehicle fleet benchmarking

Modular exhaust aftertreatment subsystem

SOUTHWEST RES INST

Active porous medium aftertreatment control system

Systems and methods for controlling diesel engine emissions

Use of recirculated exhaust gas in a burner-based exhaust generation system for reduced fuel consumption and for cooling

Testing using a non-engine based test system and exhaust product comprising alternative fuel exhaust

Method for producing diesel exhaust with particulate material for testing diesel engine aftertreatment devices

Component evaluations using non-engine based test system

Technologies for producing exhaust gas with controlled hydrocarbon speciation

Exhaust gas simulation system with dual path temperature control for control of exhaust temperature

Technologies for producing exhaust gas with controlled hydrocarbon speciation