Inventor

JENTZ ROBERT ROY

US131 patents

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

JENTZ ROBERT ROY

FORD GLOBAL TECH LLC

Fuel vapor purging diagnostics

Fuel vapor purging diagnostics

Method and system for exhaust gas recirculation system diagnostics

Correlation based fuel tank leak detection

Estimating vehicle fuel Reid vapor pressure

Fuel vapor line diagnostics

Method for triggering a vehicle system monitor

Crankcase integrity breach detection

Method and system for determining air-fuel ratio imbalance via engine torque

Fuel system leak detection using passive valves

Capless refueling system cleaning using engine vacuum

Combination pressure- and vacuum-based EVAP leak detection method

Crankcase integrity breach detection

Air intake system hydrocarbon trap purging

Vehicle method for barometric pressure identification

Capless refueling system cleaning using engine vacuum

Engine cooling system control

Cooling fan assisted engine-off natural vacuum test

Fuel system degradation test using two fuel tanks

Crankcase ventilation system and diagnostic method

Systems and methods for intelligent vehicle evaporative emissions diagnostics

Method for estimating charge air cooler condensation storage and/or release with two intake oxygen sensors

Crankcase integrity breach detection

Method and system for determining air-fuel ratio imbalance

Method for estimating charge air cooler condensation storage and/or release with two intake oxygen sensors

System and methods for evaporative emissions leak testing

Multi-path purge ejector system

Method and system to validate a fuel level indicator in a vehicle

Fuel identification based on crankshaft acceleration

Vapor purge system integrity diagnosis for a hybrid vehicle

ROLLINGER JOHN ERIC

Method and system for pre-ignition control

Method and system for pre-ignition control

Method and system for pre-ignition control

Crankcase integrity breach detection

Crankcase integrity breach detection

Engine cooling system control

Method and system for pre-ignition control

JENTZ ROBERT ROY

Method and system for fuel vapor control

System and method for performing evaporative leak diagnostics in a vehicle

Crankcase integrity breach detection

Engine cooling system control

Engine cooling system control

Fuel identification based on crankshaft acceleration

DEBASTOS TIMOTHY

Method and system for fuel vapor control

Method and system for fuel vapor control

FORD GLOBAL TECH INC

Exhaust gas temperature estimation

DUDAR AED MOHAMMAD

Fuel system diagnostics

SURNILLA GOPICHANDRA

Method and system for humidity sensor diagnostics

MAKKI IMAD HASSAN

Distinguishing between EGR valve and oxygen sensor degradation

PURSIFULL ROSS DYKSTRA

Engine cooling system control