Inventor

RAYL ALLEN B

US42 patents

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

RAYL ALLEN B

GM GLOBAL TECH OPERATIONS INC

Valvetrain control systems for internal combustion engines with multiple intake and exhaust timing based lift modes

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

Valvetrain control systems with independent intake and exhaust lift control

Method and apparatus for monitoring an EGR valve in an internal combustion engine

HCCI combustion moding state control for fuel economy and seamless transitions

Valvetrain control systems for internal combustion engines with time and event based control

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

Valvetrain control systems for internal combustion engines with different intake and exhaust leading modes

Method and system for fuel injection control to reduce variation

Systems and methods for exhaust gas recirculation control in homogeneous charge compression ignition engine systems

Control strategy for transitioning among combustion modes in an internal combustion engine

GEN MOTORS CORP

Cylinder deactivation engine control system with torque matching

Reducing torque disturbances and improving fuel economy in hybrid electric powertrains

Engine control system with throttle preload during cylinder deactivation

Method and apparatus for control of a variable displacement engine for fuel economy and performance

Spark retard control during cylinder transitions in a displacement on demand engine

Fuel and spark compensation for reactivating cylinders in a variable displacement engine

Cylinder deactivation system timing control synchronization

Displacement on demand with throttle preload security methodology

Method for improving fuel economy and performance when deactivating cylinders with vehicle cruise control

Torque based cylinder deactivation with vacuum correction

RAYL ALLEN B

System and method for detecting a fault in a pressure sensor that measures pressure in a hydraulic valve actuation system

System and method for controlling a variable valve actuation system to reduce delay associated with reactivating a cylinder

Combustion setpoint control systems and methods

HCCI mode switching control system and method

Cylinder pressure parameter correction systems and methods

Method and system for reducing operating errors in a variable value actuation system

HCCI/SI combustion switching control system and method

GM GLOBAL TECH OPERATIONS LLC

Cylinder activation and deactivation control systems and methods

Cylinder deactivation pattern matching

System and method for deactivating a cylinder of an engine and reactivating the cylinder based on an estimated trapped air mass

System and method for controlling a variable valve actuation system to reduce delay associated with reactivating a cylinder

TULA TECHNOLOGY INC

Coordination of vehicle actuators during firing fraction transitions

Coordination of vehicle actuators during firing fraction transitions

RAMAPPAN VIJAY

System and method for controlling transient switching between HCCI mode and SI mode of an engine

Closed-loop adaptation of homogenous charge compression ignition operating zone based on ringing index

SHIBATA JONATHAN T

System and method for estimating torque output of a homogeneous charge compression ignition engine

System and method for controlling a catalyst temperature in an HCCI combustion engine

GM Gobal Technology Operations LLC

Valvetrain control systems with lift mode transitioning based engine synchronization timing and sensor based lift mode control

BAGNASCO ANDREW P

Method and system for adapting small fuel injection quantities

VERNER DOUGLAS R

Method and system for detecting a fault during catalyst light-off

KANG JUN-MO

Method for controlling combustion mode transitions for an internal combustion engine