Inventor

YUN HANHO

US54 patents

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

YUN HANHO

GM GLOBAL TECH OPERATIONS LLC

Engine torque control with fuel mass

Variable second injection control for internal combustion engine assemblies

Method and apparatus for controlling operation of an internal combustion engine

Engine torque control with combustion phasing

Method and system for controlling a powertrain

Method and apparatus for controlling operation of an internal combustion engine

Method and apparatus for controlling operation of an internal combustion engine operating in HCCI combustion mode

Early detection of battery cell performance degradation

Fast charging capable mixed chemistry battery systems

Method of transient control for robust enrichment operation in low temperature combustion engine

Battery pressure active control

Apparatus and method of quick charging an electric vehicle

Battery pack pressure regulation

Battery pack state of charge estimation

Dual-chemistry propulsion system for electric vertical take-off and landing aircraft

Passive selective catalytic reduction (SCR) system and method for low-temperature combustion (LTC) engine

Systems and methods of controlling valve timing in an engine

GM GLOBAL TECH OPERATIONS INC

Powertrain and method of determining residual gas volume

Control strategy for a homogeneous-charge compression-ignition engine

High load SI-HCCI transition by selective combustion mode switching

Method and apparatus for controlling combustion mode transitions in an internal combustion engine

Light load and idle HCCI combustion control by fuel pressure modification

Spark timing and control during transitions between spark ignited combustion and homogenous charge compression ignition

Methodology for extending the high load limit of HCCI operation by adjusting injection timing and spark timing

Method and apparatus for controlling operation of an internal combustion engine operating in HCCI combustion mode

Operating strategy for HCCI combustion during engine warm-up

KANG JUN-MO

Combustion balancing control strategy using normalized instantaneous heat release in HCCI engines

EGR control in HCCI engines

Transient control strategy in spark-assisted HCCI combustion mode

Combustion phasing control in spark-assisted HCCI combustion mode

Method for controlling an engine valve of an internal combustion engine

Method for controlling combustion mode transitions for an internal combustion engine

Method for controlling combustion mode transitions in an internal combustion engine

Method and apparatus for controlling combustion noise in an internal combustion engine

Control strategy for operating a homogeneous-charge compression-ignition engine subsequent to a fuel cutoff event

WERMUTH NICOLE

Method for controlling a spark-ignition direct-injection internal combustion engine at low loads

Method and apparatus for controlling operation of an internal combustion engine operating in HCCI combustion mode

Control strategy for transitions between homogeneous-charge compression-ignition and spark-ignition combustion modes

Method and apparatus for operating an internal combustion engine in a homogeneous-charge compression-ignition combustion mode

Method and apparatus for controlling an internal combustion engine coupled to a passive selective catalytic reduction aftertreatment system

Method and apparatus for operating an internal combustion engine

YUN HANHO

Extension of the application of multiple injection HCCI combustion strategy from idle to medium load

Method and apparatus for engine operation in homogeneous charge compression ignition and spark ignition

Combustion phasing control methodology in HCCI combustion

RAMAPPAN VIJAY

System and method for controlling exhaust gas recirculation systems

System and method for improved transitions between engine combustion modes

GROVER JR RONALD O

Piston for robust auto-ignition

HCCI fuel injectors for robust auto-ignition and flame propagation

RAYL ALLEN B

HCCI mode switching control system and method

HCCI/SI combustion switching control system and method