Inventor

CHANG MAN-FENG

US29 patents

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

CHANG MAN-FENG

GM GLOBAL TECH OPERATIONS INC

Method and apparatus to monitor ambient sensing devices

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

Load transient control methods for direct-injection engines with controlled auto-ignition combustion

Method for transition between controlled auto-ignition and spark ignition modes in direct fuel injection engines

Speed transient control methods for direct-injection engines with controlled auto-ignition combustion

Method of HCCI and SI combustion control for a direct injection internal combustion engine

Method and apparatus for monitoring recirculated exhaust gas in an internal combustion engine

Method and apparatus for controlling transitions in an engine having multi-step valve lift

Method and apparatus for controlling a homogeneous charge compression ignition engine

Homogeneous charge compression ignition engine operation

Method for load transient control between lean and stoichiometric combustion modes of direct-injection engines with controlled auto-ignition combustion

Method and apparatus for vehicle and engine operation

Airflow estimation method and apparatus for internal combustion engine

Method for controlling cylinder charge in a homogeneous charge compression ignition engine

GEN MOTORS CORP

Predictive energy management system for hybrid electric vehicles

Method for detecting engine misfire and for fuel control

Torque management algorithm for hybrid electric vehicles

Predictive spark timing method

Engine speed prediction method for engine control

KANG JUN-MO

Transient combustion noise control in a hybrid powertrain including an HCCI engine

Method for managing transitions in internal combustion engines with a hybrid drive powertrain

Method and apparatus for controlling fuel injection in a homogeneous charge compression ignition engine

Method for managing transitions in internal combustion engines with a hybrid drive powertrain

KRUPADANAM ASHISH S

Vehicle control using stochastic information

Energy economy mode using preview information

HEBBALE KUMARASWAMY V

Using GPS/map/traffic info to control performance of aftertreatment (AT) devices

WANG YUE-YUN

System and methods to detect non-urea reductant filled in a urea tank

SMYTH JOHN GARY

Method to control vehicular powertrain by monitoring map preview information

CHANG CHEN-FANG

Method and apparatus to monitor a mass airflow metering device in an internal combustion engine