Inventor

VAN GILDER JOHN F

US32 patents

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

VAN GILDER JOHN F

GM GLOBAL TECH OPERATIONS INC

Belt slip diagnostic system for accessory and hybrid electric drives

Control and diagnosis of a controller wake up feature

Method for on-board diagnosis of cold start emissions reduction control strategy

System and method to diagnose fuel system pressure sensor

Brake booster vacuum sensor rationality check

Engine oil temperature diagnostic methods and systems

Intake air temperature sensor diagnostic

System for detecting failures in fuel systems

Adaptive barometric pressure estimation in which an internal combustion engine is located

Method of monitoring in-use performance ratios of onboard diagnostic systems for plug-in hybrid electric vehicles

Method and apparatus for determining operation errors for a high pressure fuel pump

Valvetrain drive stretch compensation for camshaft to crankshaft correlation

Diagnostic system for spark ignition direct injection system control circuits

GEN MOTORS CORP

Passive model-based EGR diagnostic

Fault identification diagnostic for intake system sensors

Method and apparatus for determining coolant temperature rationally in a motor vehicle

Method for on-board diagnosis of cold start emissions reduction control strategy

HAMAMA WAJDI B

Outside air temperature sensor diagnostic systems for a vehicle

Engine knock diagnostic

Control systems and methods for estimating engine coolant heat loss

Systems and methods for digital signal processing

ANILOVICH IGOR

Nitrogen dioxide generation diagnostic for a diesel after-treatment system

Systems and methods for diagnosing oxygen sensors and catalytic converters of exhaust systems

Non-methane hydrocarbon conversion efficiency diagnostic for a diesel after-treatment system

JACKSON ROBERT

Large leak diagnostic tool for a sealed fuel system in a vehicle

HE CHUAN

Diesel oxidation catalyst efficiency diagnostic method

ZETTEL ANDREW M

Method of detecting an in-range failure of a brake pedal position sensor

KOWALKOWSKI JANEAN E

Efficiency determination for a selective-catalytic-reduction catalyst

WANG WENBO

Control system and method for sensor signal out of range detection

WANG ZHONG

Plug-in hybrid EVAP valve management to reduce valve cycling

GILES PETER JOHN

Diagnostic system and method for processing continuous and intermittent faults

GM GLOBAL TECH OPERATIONS LLC

Purge valve leak diagnostic robustness improvements for small turbocharged engines