Inventor
BRENNAN DANIEL G
US28 patents
⚠️ This page may combine multiple inventors who share the name “BRENNAN DANIEL G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BRENNAN DANIEL G
8 patentsUS9169787B2Oct 27, 2015
Valve control systems and methods for cylinder deactivation and activation transitions
BRENNAN DANIEL G9 citations83
US8602002B2Dec 10, 2013
System and method for controlling engine knock using electro-hydraulic valve actuation
BRENNAN DANIEL G8 citations83
US8437927B2May 7, 2013
System and method for determining engine friction
BRENNAN DANIEL G8 citations83
US8443784B2May 21, 2013
Internal combustion engine and method for control
BRENNAN DANIEL G5 citations72
US8781713B2Jul 15, 2014
System and method for controlling a valve of a cylinder in an engine based on fuel delivery to the cylinder
BRENNAN DANIEL G5 citations64
US9002550B2Apr 7, 2015
Use of torque model at virtual engine conditions
BRENNAN DANIEL G3 citations56
US8667954B2Mar 11, 2014
Simultaneously firing two cylinders of an even firing camless engine
BRENNAN DANIEL G0 citations51
US8839750B2Sep 23, 2014
System and method for controlling hydraulic pressure in electro-hydraulic valve actuation systems
BRENNAN DANIEL G1 citations49
GM GLOBAL TECH OPERATIONS LLC
7 patentsUS10094312B2Oct 9, 2018
Method to adjust an oil control valve actuation response time using cylinder valve diagnostics
GM GLOBAL TECH OPERATIONS LLC12 citations79
US9719439B2Aug 1, 2017
System and method for controlling spark timing when cylinders of an engine are deactivated to reduce noise and vibration
GM GLOBAL TECH OPERATIONS LLC4 citations73
US9458779B2Oct 4, 2016
Intake runner temperature determination systems and methods
GM GLOBAL TECH OPERATIONS LLC4 citations73
US9534550B2Jan 3, 2017
Air per cylinder determination systems and methods
GM GLOBAL TECH OPERATIONS LLC3 citations72
US10287995B2May 14, 2019
System and method for controlling a variable valve actuation system to reduce delay associated with reactivating a cylinder
GM GLOBAL TECH OPERATIONS LLC0 citations52
US9605612B2Mar 28, 2017
System and method for determining the speed of an engine when one or more cylinders of the engine are deactivated
GM GLOBAL TECH OPERATIONS LLC0 citations52
US9482173B2Nov 1, 2016
Fuel control systems and methods for cold starts
GM GLOBAL TECH OPERATIONS LLC0 citations51
GM GLOBAL TECH OPERATIONS INC
4 patentsUS9249749B2Feb 2, 2016
System and method for controlling a firing pattern of an engine to reduce vibration when cylinders of the engine are deactivated
GM GLOBAL TECH OPERATIONS INC7 citations84
US8042385B2Oct 25, 2011
Synchronization diagnostic systems and methods for engine controllers
GM GLOBAL TECH OPERATIONS INC11 citations82
US9376973B2Jun 28, 2016
Volumetric efficiency determination systems and methods
GM GLOBAL TECH OPERATIONS INC4 citations73
US7519466B2Apr 14, 2009
Cam phaser compensation in a hybrid vehicle system
GM GLOBAL TECH OPERATIONS INC0 citations48
BUSLEPP KENNETH J
3 patentsUS8301362B2Oct 30, 2012
Method and system for generating a diagnostic signal of an engine component using an in-cylinder pressure sensor
BUSLEPP KENNETH J17 citations83
US8265853B2Sep 11, 2012
Cylinder pressure measurement system and method
BUSLEPP KENNETH J8 citations83
US9097196B2Aug 4, 2015
Stochastic pre-ignition detection systems and methods
BUSLEPP KENNETH J3 citations62
RAYL ALLEN B
2 patentsUS8631688B1Jan 21, 2014
System and method for detecting a fault in a pressure sensor that measures pressure in a hydraulic valve actuation system
RAYL ALLEN B20 citations92
US9567928B2Feb 14, 2017
System and method for controlling a variable valve actuation system to reduce delay associated with reactivating a cylinder
RAYL ALLEN B5 citations83